User Guide Elastic Suite For Magento 2 V2.6
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Elastic Suite for Magento 2 User Guide Versions : Elastic Suite 2.0 to 2.6 Date : September 26th, 2018 Author : Pierrick Olivier Table of content I- INTRODUCTION I.1 WHAT IS ELASTIC SUITE? I.2 WHO WE ARE I.3 REQUIREMENTS I.4 ELASTIC SUITE EXTENSIONS I.5 TERMINOLOGY I.6 FOR MORE INFORMATION II - SEARCH ENGINE II.1 FUZZY SEARCH II.2 PHONETIC SEARCH II.3 CUSTOMIZABLE THESAURUS II.3.a Thesaurus settings II.3.b Synonyms II.3.c Expansions 3 3 3 3 4 5 5 7 7 9 11 12 13 14 II.4 AUTOMATIC STOPWORDS DETECTION II.5 PHRASE MATCHING II.6 MINIMUM NUMBER OF WORDS MATCHING THE QUERY II.7 TIE BREAKER: COMBINATION OF SEVERAL PRODUCT ATTRIBUTES II.8 BETTER AUTOCOMPLETE II.9 REDIRECT ON ONE RESULT II.10 SORT PRODUCTS BY DRAG & DROP ON SEARCH RESULTS PAGE II.11 HIDE PRODUCTS IN THE SEARCH RESULTS PAGE III - FILTERS 16 16 18 19 20 22 22 23 25 III.1 MULTIPLE SELECT IN LAYERED NAVIGATION III.2 CUSTOMIZE FILTERS PER CATEGORY III.3 ABILITY TO SORT VALUES IN FILTERS III.4 LINK “SHOW MORE” IN FILTERS III.5 ENHANCED PRICE SLIDER III.6 EXPAND FILTERS BY DEFAULT III.7 SUPPORT OF LARGE CATALOGS IV - MERCHANDISING 25 25 26 27 28 28 29 31 IV.1 VIRTUAL CATEGORIES IV.2 SORT PRODUCTS AUTOMATICALLY USING SEARCH OPTIMIZERS IV.3 SORT PRODUCTS BY DRAG & DROP ON CATEGORY PAGES IV.4 HIDE PRODUCTS IN A CATEGORY PAGE V - TECHNICAL IMPROVEMENTS 31 33 35 36 38 Elastic Suite for Magento 2 User Guide 2 38 I - INTRODUCTION I.1 WHAT IS ELASTIC SUITE? Elastic Suite is a set of modules for Magento that provides several enhancements to Magento: £ A powerful and customizable search engine £ Improvements on the layered navigation £ New merchandising features £ High performances & scalability This set of modules has been designed to help merchants take up one of the biggest challenges in e-commerce: how to display the good product at the right time to the customers? This set of modules has been created by Smile Lab and is released under the Open Software Licence version 3.0. I.2 WHO WE ARE Set up in 1991, Smile is the first European integrator specialized in open source solutions. On top of our engineering expertise, Smile offers a vast range of services: consulting upstream and in support of the projects, the interactive agency both in creation and web design and in editorial, strategic and emarketing advice, application maintenance, training, support & maintenance in operational condition, hosting and exploitation. Magento recognized Smile as a core partner through the « Global Elite » partnership badge. Since 2014, Smile Lab is the innovation and experimentation entity of Smile. Our multidisciplinary team brings together experts in technology, innovation, and new applications. Together we explore, invent, and test technologies of the future, to better serve our clients. I.3 REQUIREMENTS Elastic Suite can be used with Magento Commerce (formerly: Magento Enterprise) and Magento Open Source (formerly: Magento Community). The version of Elastic Suite to use depend on the version of Magento. Elastic Suite for Magento 2 User Guide 3 38 Magento Version Elastic Suite latest version Magento 2.2.x Open Source (CE) / Commerce (EE) Elastic Suite 2.6.x Magento 2.1.x Open Source (CE) / Commerce (EE) Elastic Suite 2.3.x Magento 2.0.x Open Source (CE) / Commerce (EE) Elastic Suite 2.1.x Another version has been released for Magento 1 (see chapter « For more information » below). As far as possible, you should install the module at the early beginning of your Magento project, at the same time you install Magento. This way, your development team won’t spend additional time to handle Elastic Suite specificities. I.4 ELASTIC SUITE EXTENSIONS Depending on the project, several additional modules can be used to improve Elastic Suite. Each of them is published in open source and is shared on github. Module name Elastic Suite Shared Catalog Description Makes ElasticSuite compatible with Magento 2 B2B features. Requires Magento Commerce (formerly: Magento Enterprise) with Magento B2B module. CMS Search Add CMS pages in the search engine Ratings Filter products with product reviews Custom Entities Ability to add custom data on attributes values. For example, if you have a “brand” product attribute, then you can use this module to add a logo and a description on each brand. TargetRules with Elasticsearch In native Magento Commerce (formerly: Magento Enterprise), the “Related Products Rules” could lead to massive performances issues with large catalogs. This module strongly increases the performances of this feature using Elasticsearch queries. Requires Magento Commerce Edition. Elastic Suite for Magento 2 User Guide 4 38 ElasticSuite for Retailers A complete suite of modules dedicated to retailers: £ Store locator. £ Prices and stocks managed per store. £ In-store delivery. ComWrap ElasticsuiteBlog A bridge to use ElasticSuite with MageFan Blog. It allows to index Blog posts into the search engine and display them into the autocomplete results, and also on the search result page. I.5 TERMINOLOGY Product attribute A product attribute is a field in the product form. Product attributes can be managed in the back-office in the menu Stores > Attributes > Product. Filter On most e-commerce website, when a list of products is displayed, several filters are displayed in the left columns to help the user to find a product: filter by price, brand, category… Facet Synonym for « Filter ». Layered Navigation The « layered navigation » is the use of filters for navigation. Stopword A stopword is a word very frequently used and with little meaning for a search. For example: and, or, to, for, are, be, by, in,… Boost The ranking of a search engine is based on the calculation of a relevance score for each product. Applying a boost of +10% to some products means to increase the score of these products by +10%. Fuzzy search A fuzzy search allows small mistakes during typing, by allowing small changes in the letters entered by the user. Phonetic search The phonetic search allows spelling and grammatical errors during typing, by allowing changing a word by another with a similar sound. Autocomplete We call « Autocomplete » the suggestions displayed during typing in the search field. I.6 FOR MORE INFORMATION Elastic Suite for Magento 2 User Guide 5 38 Elastic Suite official website http://magento-elastic-suite.io GitHub Elastic Suite for Magento 2 https://github.com/Smile-SA/elasticsuite GitHub Elastic Suite for Magento 1 https://github.com/Smile-SA/smile-magentoelasticsearch Demo store (Magento 2) http://demo.magento-elastic-suite.io Smile official website http://www.smile.fr Elastic Suite for Magento 2 User Guide 6 38 II - SEARCH ENGINE II.1 FUZZY SEARCH Feature added in version 2.0.0 Fuzzy search is a way to correct mistakes during typing, using the « Levenstein distance ». With the Levenstein distance, the similarity of two words are evaluated by the number of letters that you should remove, add, or replace in order to change one word into another. The more the words are similar, the more Elastic Suite will boost the product. EXAMPLE If a user enters the query « trouper », then we can assume that there is a high probability that the user is looking for a « trouser », because only 1 letter should be replaced in order to change the word « trouper » into « trouser ». In comparison, there is a lower probability that the user is looking for « trainers » because 4 letters needs to be replaced/added in order to change « trouper » into « trainers ». If all words in the request of the user return an exact match, then an exact search is performed without fuzzy search. Otherwise, if at least one word doesn’t provide exact results, then a fuzzy search is performed for the entire query and an information banner is displayed to the user: The fuzzy search can be enabled in the back-office: 1. Open the menu Elasticsuite > Search Relevance 2. Open the tab Spellchecking configuration > Search Fuzziness configuration Elastic Suite for Magento 2 User Guide 7 38 3. Change the following settings: Enable fuzziness: Enable/disable fuzzy search Fuzziness value: Maximum number of letters that may be replaced to change one word into another. The allowed values are: 1, 2, and AUTO (note: the help message displayed on the screenshot above is not correct). If this setting is set to « AUTO » then the search engine allows 1 wrong letter for words with 3 to 5 letters, and 2 wrong letters for words with 6 letters or more. Fuzziness prefix length: Number of letters at the beginning of the word that should not be changed (fuzzy search is not applied to the prefix). A lower value will provide better search results but will increase the workload on the server. Fuzziness max. expansions: Maximum depth of the fuzzy search algorithm. A higher value will search for a higher number of differences of letters but will increase the workload on the server. Be careful: the query could be very heavy if Fuzziness prefix length is set to 0 and Fuzziness max expansions is set to a high number. RECOMMENDED VALUES Examples of values that provided good results on past projects: Fuzziness value: AUTO Fuzziness prefix lenght: 1 Fuzziness max. expansions: 10 Then you have to enable the spellcheck property on each product attribute used by the search engine: 4. Open the menu Stores > Attributes > Products 5. Select an attribute used by the search engine (the name, for example) 6. Open the tab Storefront Properties 7. Set Used in spellcheck to Yes Elastic Suite for Magento 2 User Guide 8 38 RECOMMENDED VALUES It is recommended to enable spellcheck for all text attributes used by the search engine. II.2 PHONETIC SEARCH Feature added in version 2.0.0 Phonetic search is a way to correct spelling and grammatical errors. When phonetic search is enabled, the search engine will suggest products with a similar phonetic sound. The phonetic search can include fuzzy search in order to allow minor differences in the pronunciation. In comparison with fuzzy search, the phonetic search allows more wrong letters, but fewer differences in the pronunciation. EXAMPLE With fuzzy search, the query « llaguing » will produce no result or bad results. With phonetic search, the query « llaguing » will return « leggings » products. The Phonetic search is based on an algorithm called « Beider-Morse ». The list of supported languages is: English, French, German, Spanish, Italian, Russian, Hungarian, Romanian, and Turkish. The language used for phonetic search is the language of the Magento store view. If all words in the request of the user return an exact match, then an exact search is performed without phonetic search. Otherwise, if at least one word doesn’t provide exact results, then a phonetic search is performed for the entire query and an information banner is displayed to the user: The phonetic search can be set up in the back-office: 1. Open the menu Elasticsuite > Search Relevance 2. Open the tab Spellchecking configuration > Phonetic search configuration Elastic Suite for Magento 2 User Guide 9 38 3. Change the following settings: Enable phonetic search: enable/disable phonetic search. Enable phonetic fuzziness: enable/disable the fuzzy search in phonetic search. Phonetic Fuzziness value: maximum number of phonemes that can be replaced when changing a word into another. The allowed values are: 1, 2, and AUTO (note: the help message displayed on the screenshot above is not correct). If this setting is set to « AUTO » then the search engine will adjust the number of wrong phonemes allowed with the length of the word. Phonetic Fuzziness prefix length: Number of phonemes at the beginning of the word that should not be changed (no fuzzy search in the prefix). A lower value will provide better search results but will increase the workload on the server. Fuzziness max expansions: the maximum number of iterations in the fuzzy search algorithm. A higher value will search for a higher differences of sounds but will increase the workload on the server. Be careful, the query could be very heavy if Phonetic fuzzyness prefix length is set to 0 and Phonetic fuzziness max expansions is set to a high number. RECOMMENDED VALUES Examples of values that provided good results on past projects: Enable phonetic search: Yes Enable phonetic fuzziness: No Phonetic fuzziness should be used carefully because it may return results a bit far from the request of the user. Then you have to enable the spellcheck property on each product attribute used by the search engine: 4. Open the menu Stores > Attributes > Products 5. Select an attribute used by the search engine (the name, for example) Elastic Suite for Magento 2 User Guide 10 38 6. Open the tab Storefront Properties 7. Set Used in spellcheck to Yes RECOMMENDED VALUES It is recommended to enable spellcheck for all text attributes used by the search engine. II.3 CUSTOMIZABLE THESAURUS Feature added in version 2.1.0 Users do not always formulate search queries using the best terms. Not “the best” means that the database does not contain the user entered terms and that the query may returns no result. To prevent such issue, Elastic Suite search engine invoke a customizable thesaurus to increase the quality of the search results. The customizable thesaurus is considered as a meta-level process that is used to add more information to clarify the user’s query. It is the process of rebuilding new informed queries from an existing one in order to improve the retrieval performance and help in matching additional documents. The thesaurus can be used for: £ Finding synonyms of words, and searching for the synonyms as well EXAMPLE The word « denim » could be set as a synonym of « blue ». £ Finding all the various morphological forms of words by expanding each word in the search query EXAMPLE The word « bottom » could be expanded into « skirt », « pant », « short ». Elastic Suite for Magento 2 User Guide 11 38 THESAURUS QUERY IN THE SEARCH ENGINE WEIGHT' SYNONYMS USER QUERY BLUE BOTTOM BLUE ≈ DENIM EXPANSIONS BOTTOM ! SKIRT PANT SHORT BLUE BOTTOM DENIM BOTTOM BLUE SKIRT BLUE SHORT BLUE PANT DENIM SKIRT DENIM SHORT DENIM PANT INFORMATION On a technical point of view, the thesaurus doesn’t generate multiple requests to the database. For each user query, all synonyms and expansions are sent to the database into one single request, ensuring the best performances. II.3.a Thesaurus settings First you have to activate and configure the thesaurus: 1. Open the menu Elastic Suite > Search Relevance 2. Open the tab Thesaurus configuration 3. Select a view Elastic Suite for Magento 2 User Guide 12 38 4. Change the following settings: Enable synonyms search: enable/disable the thesaurus of synonyms. Synonyms weight divider: the score of searches using a synonym will by divided by this value. Enable search expansions: enable/disable the thesaurus of expansions. Concepts weight divider: the score of searches using an expansion will by divided by this value. RECOMMENDED VALUES Concepts weight divider: we recommend setting this value to 10. Expansions are mainly used to populate the queue of the search results and to avoid responses without results. For this reason we recommend to set a high value. Synonyms weight divider: we recommend setting this value between 2 and 10, depending on the words in your thesaurus. Use a low value if each pair of synonyms has a very similar meaning; use a high value if the meaning is slightly different. II.3.b Synonyms Synonyms are set up in the back-office: 1. Open the menu Elastic Suite > Thesaurus 2. Click on Add new thesaurus 3. Select Synonym in Thesaurus Type Elastic Suite for Magento 2 User Guide 13 38 4. Change the following settings: Thesaurus name: Label used to identify this list of synonyms, for back-office use only. This name will not be used by the search engine. Store: Select the store(s) view(s) where this list should be applied. You can select several store views by using the CTRL key of your keyboard. Synonyms terms: Type in the column Synonym terms a list of words with a similar meaning with comma as a separator. For each new group of synonyms click on the Add button. 5. Click on Save Thesaurus INFORMATION When a thesaurus is updated in the back-office, the search engine applies the change after about 1 minute. II.3.c Expansions Expansions are set up in the back-office: 1. Open the menu Elastic Suite > Thesaurus 2. Click on Add new thesaurus 3. Select Expansion in Thesaurus Type Elastic Suite for Magento 2 User Guide 14 38 4. Change the following settings: Thesaurus name: Label used to identify this list of expansions, for back-office use only. This name will not be used by the search engine. Store: Select the store(s) view(s) where this list should be applied. You can select several store views by using the CTRL key of your keyboard. Reference term: Enter a word that may be expanded into several other words. Only one word is allowed. Expansion terms: List of words that may be used for a search on the reference term. Use a comma as a separator. 5. Click on Save Thesaurus INFORMATION When a thesaurus is updated in the back-office, the search engine applies the change after about 1 minute. Elastic Suite for Magento 2 User Guide 15 38 II.4 AUTOMATIC STOPWORDS DETECTION Feature added in version 2.0.0 When the user enters a query with several words, the short words like « and, or, to, for, are, be, by, in,… » are most of the time very frequently found in the catalog, so the short words might have a strong weight in the search result despite their lack of relevance. Most search engines on the market respond to this problem by using a list of « stop words ». The search engine will ignore any word in this list. Elastic Suite responds to this problem in a different way: the search engine calculates the frequency of each word in the catalog, and ignores the words with a frequency above a given limit, called « cutoff frequency ». If all words in the request are above the cutoff frequency, then the query is searched as a normal query. This feature allows a more accurate and automatic detection of the meaningless words. And it also allows to process queries with only stop words, like « to be or not to be » for example. The cutoff frequency can be set up in the back-office: 1. Open the menu Elastic Suite > Search Relevance 2. Open the tab Relevance configuration > Cuttoff frequency configuration 3. Enter a value between 0 and 1 in the setting Cutoff frequency. Any word included in more than this percentage of indexed entities will be ignored by the search engine. RECOMMENDED VALUES A usual value for the cutoff frequency is 0.15. 0.15 means that a word will not be significant for the search engine if this word is found in more than 15% of the indexed entities. An indexed entity is a product or a category. II.5 PHRASE MATCHING Feature added in version 2.0.0 The « phrase matching » recognize words that should be used together. EXAMPLE If a user enters the query « gone with the wind », then the search engine may produce bad results if he displays products including any of the words « gone », « with », « the » and « wind ». It will be much Elastic Suite for Magento 2 User Guide 16 38 better to display a product including the whole sentence « gone with the wind ». Elastic Suite provides this feature natively. The phrase matching is working by searching all the sub-groups of words into the query of the user. For each sub-group, a query is run to find the products including the words of the sub-group in the same order relative to each other. Then the results of all subgroups are combined together, with a boost on the sub-groups including a higher number of words of the query of the user. EXAMPLE If a user enters the query “Dress Giorgio Armani”, then the search engine will search for the following queries: (the symbol “…” can replace any group of letters) Step 1. Search for “Dress…Giorgio…Armani” Step 2. Search for “Dress…Giorgio” Search for “Giorgio…Armani” Search for “Dress…Armani” Step 3. Search for “Dress” Search for “Giorgio” Search for “Armani” When these 7 queries has been run, all the results are combined together, with a high boost on the products provided by the step 1, a lower boost on products provided by the step 2, and no boost at all on the products provided by the step 3. The phrase matching can be set up in the back-office. 1. Open in the menu Elasticsuite > Search Relevance 2. Select a view 3. Open the tab Relevance Configuration > Fulltext base settings 4. Change the following settings: Elastic Suite for Magento 2 User Guide 17 38 Enable boost on phrase match: enable/disable the phrase match boost Phrase match boost value: multiplier to apply to the score of the search engine when a group of words is found RECOMMENDED VALUES We recommend enabling the phrase match boost. A usual value for the Phrase match boost value is 4. II.6 MINIMUM NUMBER OF WORDS MATCHING THE QUERY Feature added in version 2.0.0 When a user enters a query with several words, several approaches could be used: £ Display the products that includes ALL the words of the query or £ Display the products that includes AT LAST one word of the query The first approach is better for relevancy, but may return no result for queries with a lot of words. The second approach will return more results, but the results will be less relevant. Elastic Suite allows you to select one of these approaches, or to select a compromise between both: 1. Open the menu Elasticsuite > Search Relevance 2. Open the tab Relevance Configuration > Fulltext base settings 3. The setting Minimum Should Match allows you to choose the minimum percentage of words that should match in the user query in order to suggest a result. Stopwords are not taken into account when calculating this percentage. Elastic Suite for Magento 2 User Guide 18 38 EXAMPLE If the Minimum Should Match is set to 60%, then: £ For a query with 3 words, a product will be suggested if at least 2 words are found in the datas of the product. £ For a query with 5 words, a product will be suggested if at least 3 words are found in the datas of the product. RECOMMENDED VALUES We recommend using a value of 100% (all words should match). Optionally, a slightly lower value may improve the results for long queries. II.7 TIE BREAKER: COMBINATION OF SEVERAL PRODUCT ATTRIBUTES Feature added in version 2.0.0 The search engine sort products by a relevancy score. This score of a product is calculated in the following way: Step 1. A relevance score is calculated for each attribute: name, description, SKU, brand, color… Step 2. Each attribute score is multiplied by the search weight of the attribute. Step 3. Resulting scores are combined together into a global score. For the step 3, several methods of combination can be selected: £ Sum of all scores or £ Maximum score or £ Maximum score + (sum of other scores) * fixed_percentage To change the calculation method: 1. Open then menu Elasticsuite > Search Relevance 2. Open the tab Relevance Configuration > Fulltext base settings 3. The setting Tie breaker should be set to one of the following values: Elastic Suite for Magento 2 User Guide 19 38 1: Method « Sum of all scores ». 0: Method « Maximum score ». Any value between 0 and 1: select the third method, and the value entered will be used as the « fixed_percentage ». RECOMMENDED VALUES We recommend using a value of 1. A lower value may be interesting when several attributes with a similar weight include redundant keywords. II.8 BETTER AUTOCOMPLETE Feature added in version 2.1.0 Improved in 2.2.0+ In native Magento, the autocomplete suggests only popular searches (similar queries from other customers). With Elastic Suite the autocomplete also suggests products, categories, attributes, and with a quick development a developer can easily add other contents: static pages, shops, lookbooks… Products suggestions are using all the powerful features of the search engine: search weight, fuzzy search, phonetic search, automatic stop words detection… Autocomplete can be set up in the back-office: 1. Open the menu Stores > Configuration 2. Open the tab ElasticSuite > Autocomplete 3. Change the maximum number of results that can be displayed using the settings Max size. Elastic Suite for Magento 2 User Guide 20 38 Then, you have to configure the products attributes: 4. Open the menu Store > Attributes > Product 5. Select a product attribute 6. Change the following settings: Used in autocomplete: This setting is not used today. Display in autocomplete: If set to Yes, then the values in this filter may be suggested during typing. For example, if this parameter is set to Yes on the product attribute « Brand », then when a user types the letters « ca » the autocomplete will suggest the brand « Cacharel ». Elastic Suite for Magento 2 User Guide 21 38 RECOMMENDED VALUES It is highly recommended to enable this setting on the product attribute “Brand”. It may also be interesting to enable it on a few other attributes like “color” or “material”. INFORMATION When Display in Autocomplete is set to Yes, it is mandatory to set Used in autocomplete to Yes and Use in search to Yes. II.9 REDIRECT ON ONE RESULT Feature added in version 2.2.0 If the search query of a user returns only one product, then you can choose to redirect the user to the product page directly (instead of displaying the search result page). This option can be enabled in the back-office: 1. Open the menu Stores > Configuration 2. Open the tab Elasticsuite > Catalog Search 3. Change the following setting: II.10 SORT PRODUCTS BY DRAG & DROP ON SEARCH RESULTS PAGE Feature added in version 2.5.0 For the search terms that are the most frequently used, it may be interesting to adjust manually the ranking of products. Elastic Suite allows that by adding the support of sorting by drag & drop in search results page: 1. Open the menu Marketing > Search Terms 2. Select a search term 3. Click the Merchandiser button. A preview of the search results is displayed. 4. Enable the Manual sort on several products. Products sorted manually are automatically moved to the top of the page. Elastic Suite for Magento 2 User Guide 22 38 5. Click on the handle in the top left corner and drag & drop the products 6. Click on the Save button II.11 HIDE PRODUCTS IN THE SEARCH RESULTS PAGE Feature added in version 2.6.0 Elastic Suite allows you to hide manually a product in the search result page: 1. Open the menu Marketing > Search Terms 2. Select a search term 3. Click the Merchandiser button. A preview of the search results is displayed. 4. Click on the icon in the top right corner to hide the product 5. Click on the Save button Elastic Suite for Magento 2 User Guide 23 38 This feature can be used when a search query is ambiguous, you can use it to hide products that are not relevant to the most common meaning of the search query. EXAMPLE The search query “New Look” may return products from the brand “New look” and products with the words “New look” in the description. In that case you can use this feature to hide manually products with “New Look” in the description, and keep in the search result page only the products with the brand “New Look”. Elastic Suite for Magento 2 User Guide 24 38 III - FILTERS III.1 MULTIPLE SELECT IN LAYERED NAVIGATION Feature added in version 2.0.0 With the native search engine of Magento, the customer is able to combine several filters in the same time. EXAMPLE Material = Cotton AND Color = Black Elastic Suite enhances this feature by adding the ability to select multiple values in the same filter. EXAMPLE Material = Cotton OR Organic Cotton Multiples selections can be combined with other filters, like in Magento native search engine. EXAMPLE (Material = Cotton OR Organic Cotton) AND (Color = Black) III.2 CUSTOMIZE FILTERS PER CATEGORY Feature added in version 2.5.0 The customers should only see filters that are relevant to their browsing session. With Elastic Suite, you can override the automatic algorithm and customize filters category per category. You can use this feature to hide filters that are inappropriate or not a priority, and you can you it to push important filters to the top of the page. 1. Open the menu Catalog > Categories 2. Select a sub-category (it is not possible to customize filters on the root category) 3. Open the tab Display settings 4. Customize filters by changing the settings in the block Layered Navigation Filters: Elastic Suite for Magento 2 User Guide 25 38 Display Mode: use this setting to force the filter to be displayed or hidden § Always displayed: this is the native behaviour of the search engine. The filter will be displayed as soon as some products with this attribute are displayed on the page. § Always hidden: the facet will never be displayed § Auto: the facet will be displayed depending on the value of the “Facet Coverage rate” Facet Coverage Rate: use this setting to display the filter only when many products share this attribute. See chapter III.7 for more details. Facet max. size: default number of values displayed in the filter. See chapter III.4 for more details. Sort order: change the sorting order of the values in the filter. See chapter III.3 for more details. Pinned: when enabled, the filter is moved to the top and a handle appears at the left. You can drag & drop this handle to customize the sorting order of the filters. III.3 ABILITY TO SORT VALUES IN FILTERS Feature added in version 2.0.0 The sorting order of the values in a filter can be customized for each filter: 1. Open the menu Stores > Attributes > Product 2. Select an attribute that can be used as a filter 3. Open the tab Storefront Properties 4. Change the value of Facet sort order Result count: The values shared by the most products will be displayed first. Admin sort: Manual sorting order. The sorting order is managed in the tab Properties. Name: Alphabetical order. Relevance: The values shared by the products in the top of the list will be displayed first. Elastic Suite for Magento 2 User Guide 26 38 Values sorted by Result count III.4 LINK “SHOW MORE” IN FILTERS Feature added in version 2.3.0 Improved in 2.4.0 In native Magento, a filter with a lot of values can have a very high height. With Elastic Suite, only the first values are displayed, and: £ A link “Show more” / “Show less” expands/folds the list £ A search field is displayed This feature can be customized filter by filter: 1. Open the menu Stores > Attributes > Product 2. Select an attribute that can be used as a filter 3. Open the tab Storefront Properties 4. Change the value of Facet max. size Elastic Suite for Magento 2 User Guide 27 38 If the number of values is higher than this setting, then a link “Show more” will be displayed and a search field appears. III.5 ENHANCED PRICE SLIDER Feature added in version 2.0.0 Improved in 2.2.0 Elastic Suite displays the price filter as a slider instead of fixed price bands, providing more flexibility on the selection of the price range. Native Magento With Elastic Suite The price slider allows the user to filter by steps of +/- 1. If you want to change the size of the steps (could be useful for some currencies), it can be changed with the setting Price Navigation Step Calculation = Manual in the menu Store > Configuration, tab Catalog > Layered Navigation. III.6 EXPAND FILTERS BY DEFAULT Filter folded Feature added in version 2.3.0 Filter expanded In native Magento, filters are displayed folded by default. For a better call to action, Elastic Suite allows you to show several filters expanded by default. This option can be enabled in the back-office: Elastic Suite for Magento 2 User Guide 28 38 1. Open the menu Stores > Configuration 2. Open the tab Elasticsuite > Catalog Search 3. Change the following setting: It is recommended to display the most important filters at the top by changing the sorting order of the filters: 4. Open the menu Store > Attributes > Product 5. Select a product attribute that can be used as a filter 6. Change the following setting: The Position is a number equal or greater than 0. The filters are sorted by position; the lowest position is displayed at the top. Particular case: the filter “Category” is always displayed in first position; the position of this filter can’t be changed. III.7 SUPPORT OF LARGE CATALOGS Feature added in version 2.0.0 On large catalogs, a simple search query may return dozens of filters, too much filters to be displayed entirely. As a result, some important filters may not be displayed. Elastic Suite provides a solution to display only the filters that are the most relevant for the query of the user. This can be achieved by setting up the minimum percentage of products that should share an attribute in order to display the attribute in the list of filters. This percentage is called the Facet coverage rate. EXAMPLE The search query « Black » returns 1000 products. A lot of filters can be applied to that query: £ Price (attribute shared by 1000 products) £ Color (attribute shared by 900 products) £ Size (attribute shared by 400 products) £ Battery Capacity (attribute shared by 30 products) £ Etc. After setting up a « minimum coverage rate » of 20%, Elastic Suite will display the filters Price, Color, and Size (shared by more than 20% of Elastic Suite for Magento 2 User Guide 29 38 the products), and will not display the filer Battery Capacity (shared by less than 20% of the products). This Minimum Coverage Rate can be set up in the back-office: 1. Open the menu Stores > Attributes > Product 2. Select an attribute that can be used as a filter 3. Open the tab Storefront Properties 4. Change the value of the Facet coverage rate RECOMMENDED VALUES The value of the coverage rate should be adjusted depending on two factors: (1) the percentage of products using this attribute in the catalog (2) the number of filters in the whole catalog For example, if the Battery Capacity is used by 5% of the products (1), then we can assume that this filter is relevant only if more than 5% of products in the search results are sharing this attribute. Thus the Facet Coverage Rate should be set to a value higher than 5. It is recommended to start by setting up the Facet Coverage Rate to the value of the percentage (1) multiplied by a ratio of 2. When this work has been done on all filters, it is recommended to run several queries and look at how many filters are displayed. Depending on the results, the ratio can be adjusted to a higher or to a lower value. Elastic Suite for Magento 2 User Guide 30 38 IV - MERCHANDISING Feature added in version 2.1.0 IV.1 VIRTUAL CATEGORIES One of the key factor of the success of an e-commerce website is the ability to help customers to: £ Find quickly what they are looking for £ Discover all the range of products A way to cover that need is to provide several axis of navigation in addition to the « main navigation » by department. Main category tree Secondary category trees Example of use Secondary categories can be created using manual selections of products, for example: £ Shop by look £ Gift ideas With Elastic Suite, secondary categories can also be created using an automatic selection of products based on a rule. When a rule has been set up, the list of products displayed to the customer is updated in real-time. Elastic Suite for Magento 2 User Guide 31 38 INFORMATION With native Magento, it’s possible to create a category based on a rule, but the rule engine is not so advanced, and the rule is run only one time: when the category is created. The list of product is not updated in real-time. Examples of categories based on a rule: £ Sale : all discounted products £ Brand page : all products from a given brand £ New products / New arrivals £ Good deals / Great offers : all products with a price below a given limit £ Shop by collection, for example « Winter 2017 » : all products with the attribute « Collection = Winter 2017 » £ Shop by material, for example « Linen selection » : all products with the attribute « Material = linen » £ Shop by age, for example « Teen boys » : all products with the attribute « Age = 7-14 years » and « Gender = Men » £ Shop by size A virtual category can also have sub-categories, created manually, or automatically by Elastic Suite. To create a new virtual category: 1. Open the menu Catalog > Categories 2. Create a new category or select an existing category 3. Open the tab Products in Category 4. Set Yes in Virtual category Elastic Suite for Magento 2 User Guide 32 38 5. Enter the rule of the virtual category. You can set-up a rule based on product datas using a meta-language (*). (*) The product attributes available in the rule condition are all the product attributes with Use in search set to Yes, and all product attributes with Use in layered navigation set to Filterable. 6. Option: if you want to display a facet « Category » in your virtual category, then you have to choose the category tree of this facet in the block Virtual category root IV.2 SORT PRODUCTS AUTOMATICALLY USING SEARCH OPTIMIZERS Feature added in version 2.3.0 Improved in version 2.6.0 Most search engines are providing results based on an analysis of the keywords in the query of the user. Elastic Suite is able to improve the results of the search engine by promoting products that are known to be good products, on the basis of product data. SEARCH OPTIMIZERS QUERY PROCESSING Ranking based on keywords PRODUCT DATA ü ü ü ü Boost Boost Boost Boost new products sale prices best categories best brands Ranking optimized for conversion With his meta-language to set up the rules, the Search Optimizer is a very flexible and powerful feature of Magento Elastic Suite to increase the conversion rate. Search Optimizers are not only useful for the ranking of products in the search engine, they can also be used for the ranking in category pages, thus providing a way to do a smart and dynamic merchandising on the whole e-commerce website. Elastic Suite for Magento 2 User Guide 33 38 Here are some examples of Search Optimizers based on product data: £ Boost new products (*) £ Boost products with a discount £ Decrease the ranking of products out of stock £ Decrease the ranking of products without images £ Boost products in a specific category £ Boost products of a specific brand £ Boost a specific list of products (*) This boost is using the product attributes Set product as new from and Set product as new to Search Optimizers based on product data can be set up in the back-office: 1. Open the menu Elastic Suite > Optimizers 2. Click Add New Optimizer 3. Fill the form Request type: you can use this field if you want to apply the optimizer only to the search engine, or only to the advanced search, or only to the category pages. Usually, all options are selected. Catalog Product Search (available only if Catalog Product Search is enabled in Request Type) : use this field if you want to apply the optimizer only for some search queries Category Product View (available only if Category Product Search is enabled in Request Type) : use this field if you want to apply the optimizer only for some search categories Boost value: enter the percentage of boost to be applied. A value of 0 doesn’t change the ranking of product. A positive value will boost the selected products toward the top of the page, a negative value will boost them toward the bottom of the page. Rule conditions: you can set-up a rule based on product datas using a meta-language (*). Elastic Suite for Magento 2 User Guide 34 38 (*) The product attributes available in the rule condition are all the product attributes with Use in search set to Yes, and all product attributes with Use in layered navigation set to Filterable. You can use the Preview tab to see how the optimizer changes the ranking of products on searches, categories, and autocomplete. IV.3 SORT PRODUCTS BY DRAG & DROP ON CATEGORY PAGES Feature added in version 2.1.0 In Magento Enterprise, a feature enables the merchant to sort manually the products in a category by drag & drop. But this feature has two strong limitations: £ The merchant must sort each size and each color, involving a lot of operations to get the expected result. £ The merchant is able to sort the products only in the categories at the bottom of the category tree; it is not possible to sort the products on the parent categories (categories with « anchor = yes »). Elastic Suite solves these two limitations and adds the support of sorting by drag & drop in virtual categories: 1. Open the menu Catalog > Categories 2. Select a category 3. Open the Products In Category tab 4. Enable the Manual sort on several products. Products sorted manually are automatically moved to the top of the page. Elastic Suite for Magento 2 User Guide 35 38 5. Click on the handle in the top left corner and drag & drop the products. 6. Save the category. IV.4 HIDE PRODUCTS IN A CATEGORY PAGE Feature added in version 2.6.0 Elastic Suite allows you to hide products in a category page: 1. Open the menu Catalog > Categories 2. Open the Products In Category tab 3. Click on the icon in the top right corner to hide the product 4. Click on the Save button This feature can be useful on a virtual category, to make an exception on an automatic rule. Elastic Suite for Magento 2 User Guide 36 38 EXAMPLE If you create a virtual category with the rule “Color Is Blue”, then this feature can be used to hide manually all the products that doesn’t look “enough” blue. Elastic Suite for Magento 2 User Guide 37 38 V - TECHNICAL IMPROVEMENTS Elastic Suite is based on the search engine Elastic Search, providing several technical enhancements to the native Magento search engine. £ High Performances Built on top of Apache Lucene, ElasticSearch delivers high performances allowing you to perform complex queries on large catalogs. £ Massively Distributed ElasticSearch allows you to start with a small hardware and add more nodes later; the cluster will automatically take advantage of the extra hardware. £ High Availability The replication feature detects new or failed nodes, and reorganize and rebalance data automatically, to ensure that your data is safe and accessible. £ Per-Operation Persistence Document changes are recorded in transaction logs on multiple nodes in the cluster to minimize the chance of any data loss. Elastic Suite for Magento 2 User Guide 38 38
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