How to rank in the new search engines
Get a practical guide to top rankings in Google SGE, ChatGPT and voice search. Learn the SEO strategies that maximise your online shop's visibility.
Hidden keywords in the backend of your Amazon listing are the key to greater visibility without overloading your customer-facing content.

Technical backend optimisation is one of the most overlooked aspects of selling on Amazon. While many sellers focus on product titles and descriptions, it is in the backend where you can truly boost your product’s visibility without overloading your customer-facing content. This guide will walk you through everything you need to know about optimising your Amazon listing’s backend to improve search rankings and drive more sales.
Amazon backend optimisation refers to all the adjustments and improvements you make to your product listing that customers do not see directly. This includes backend keywords, search terms, and various technical settings that help Amazon’s algorithm understand what your product is about and when it should appear in search results.
Think of backend optimisation as a way to give Amazon’s search engine extra information about your product that you could not fit into your title, bullet points, or description without making them cluttered or unreadable. It is your secret weapon to reach more potential customers without affecting the user experience.
Most importantly, correct backend optimisation can significantly improve your product’s visibility and help you reach customers who may use different terms to search for products like yours. That is why Amazon consultants always emphasise the importance of thorough backend work.
Backend keywords are among the most powerful tools for improving your product’s visibility. These are words and phrases you add to your listing’s backend, which help Amazon index your product for relevant searches. Unlike frontend content, backend keywords are not visible to customers but are crucial for Amazon’s search algorithm.
The Amazon backend keyword limit is 249 bytes. This is different from 249 characters, as some special characters and non-Latin letters can take up more than one byte. If you exceed this limit, Amazon simply ignores all your backend keywords, so it is essential to stay within this restriction.
Many sellers wonder how many keywords Amazon allows. While there is no specific number, the 249-byte limit effectively determines how many keywords you can include. Focus on relevance over quantity to make the most of the limited space.
Remember, the Amazon search term character limit applies to all your backend keywords combined, not to each field separately. Make every character count by avoiding redundancy and focusing on highly relevant keywords not already included in your visible listing content.
To optimise your backend effectively, you need to know which keywords to target. This is where specialised tools come into play. An Amazon backend keyword tool can help you identify valuable keywords your competitors may be overlooking.
There are several types of tools to assist with your keyword research:
An Amazon keyword extractor helps you find keywords that are already working for similar products. These tools can analyse top-ranking listings in your category and extract the keywords they are targeting. This can give you insights into what is already working in your niche.
A backend keyword extractor specifically focuses on identifying backend keywords that competitors may be using. This can be particularly valuable, as these keywords are not visible to the average observer but can drive significant traffic.
Tools such as Helium10, Jungle Scout, and MerchantWords offer comprehensive keyword research features. They can show you search volume, competition levels, and related keywords that could be valuable for your listings. When you sell on Amazon, using these tools can give you a significant competitive advantage.
An Amazon keyword rank tracker can help you monitor how your listings perform for specific keywords over time. This allows you to assess the effectiveness of your optimisation efforts and make adjustments as needed.
An Amazon keyword traffic tool can provide insights into how much traffic different keywords drive to listings like yours. This helps you prioritise your keyword strategy by focusing on terms that not only have high search volume but also convert well.
By using a combination of these tools, you gain a more complete picture of the keyword landscape in your niche and make informed decisions about which terms to target in your backend optimisation.
Adding keywords to your Amazon listing’s backend is a straightforward process once you know where to look. Here is a step-by-step guide to help you optimise your backend keywords:
Remember, how to add search terms to an Amazon listing is about quality over quantity. Focus on relevant, high-converting keywords rather than trying to cram as many terms as possible into the limited space.
When considering how to add generic keywords to an Amazon listing, think about broad category terms that customers may use in the early stages of their shopping journey. These can help your product appear in more general searches.
If you are wondering how to add more keywords to an Amazon listing when you have already reached the character limit, you need to be strategic. Review your existing keywords and eliminate any redundancies or low-performing terms to make room for new ones.
For sellers with multiple products, learning how to bulk upload products on Amazon can save significant time. Amazon provides template files that allow you to update several listings at once, including their backend keywords.
Understanding how to update an Amazon listing with a flat file is also valuable for large-scale sellers. Flat files allow you to make mass changes to your listings, including backend keywords, so you do not have to edit each product individually.
Competitor analysis is essential for effective backend optimisation. By analysing what works for successful competitors, you can identify opportunities to improve your own listings. This involves examining their keywords, pricing strategies, images, and overall listing quality.
When conducting an Amazon competitor analysis, pay special attention to:
Tools such as Helium10’s Cerebro or Jungle Scout’s Reverse ASIN Lookup can help you see which keywords your competitors are ranking for. This information can be invaluable for improving your own keyword strategy and Amazon SEO efforts.
Understanding which keywords your listing ranks for on Amazon gives you insight into what is currently working and what needs improvement. Regular monitoring of your keyword rankings can help you fine-tune your optimisation strategy over time.
While backend keywords are crucial, do not overlook the importance of Amazon image keywords. These include the alt text and file names of your product images, which can contribute to your overall search visibility.
How to optimise your image keywords:
Remember, Amazon’s algorithm can analyse image content, so using high-quality images is just as important as optimising their file names. This comprehensive approach to Amazon marketing ensures you optimise every aspect of your listing.
When optimising your listings, you will often need to refer to various product identifiers. Understanding these IDs and knowing where to find product IDs on Amazon is vital for effective listing management.
There are several types of IDs used on Amazon:
If you are wondering what is a listing ID on Amazon, it is the unique identifier Amazon uses to track your specific offer for a product. Several sellers can offer the same product (with the same ASIN), but each will have their own listing ID.
To find your product’s ASIN, simply look at the product URL or scroll down to the product details section on the product page. Understanding how to find the URL for an Amazon listing is as simple as navigating to your product on Amazon and copying the URL from your browser’s address bar.
It is not enough just to add keywords to your backend – you need to verify that Amazon is actually indexing your product for these terms. This is where an Amazon keyword index tool comes in handy.
These tools check whether your product appears in search results for specific keywords. If your product is not indexed for a given term, it will not show up in search results for that keyword, no matter how relevant it may be.
Some popular indexing checker tools include:
Regular use of an Amazon keyword search checker helps you identify indexing issues early, so you can address them before they significantly impact your sales. This is especially important after making changes to your listings.
If you find your product is not being indexed for important keywords, review your listing to ensure these terms are included in your title, bullet points, description, or backend keywords. Sometimes, simply reorganising your keywords can resolve indexing problems.
Optimising your backend is not a one-off task, but an ongoing process. By using an Amazon keyword tracking tool, you can monitor how your rankings change over time and in response to your optimisation efforts.
Regular tracking helps you to:
An effective Amazon search term generator can help you discover new keywords to target as market trends and customer search behaviour evolve. This enables you to continually refine your keyword strategy to maintain and improve your product’s visibility.
Pairing keyword tracking with Amazon advertising data can provide even deeper insights into which keywords drive not only traffic, but actual conversions. This comprehensive approach to data analysis can significantly improve your ROI.
Understanding where to add keywords on an Amazon listing is crucial for effective optimisation. Amazon provides several places to add keywords, each serving a different purpose in the algorithm.
Knowing how to insert keywords into an Amazon listing for maximum effect requires understanding Amazon’s A9 algorithm. This algorithm weights keywords differently depending on where they appear in your listing.
For the best results, place your most important keywords in your title and bullet points, and use the backend fields for supplementary terms, synonyms, and phrases that would make your customer-facing content look spammy if included there.
Be aware of the different character limits that apply to various parts of your listing:
Understanding how many keywords you can use on Amazon listings helps you prioritise which terms to include where. Remember, quality and relevance matter more than quantity.
For sellers with multiple products, it is crucial to learn how to bulk upload listings on Amazon for efficient management. Amazon offers various tools to help you update multiple listings simultaneously.
Flat files are spreadsheet templates provided by Amazon that allow you to create or update multiple listings at once. Understanding how to update Amazon listings with flat files can save you significant time and effort.
Here is a basic process for using flat files:
For large catalogs, mastering this process is essential to maintaining optimized listings across your entire product range. Amazon FBA sellers with extensive inventory particularly benefit from these bulk management features.
Once you have mastered the basics of backend optimisation, you can explore more advanced tactics to further enhance your product’s visibility and conversion rates.
Advanced optimisation tools can help you identify the most valuable keywords based on factors such as:
These tools often provide AI-driven recommendations to help you maximise the effectiveness of your limited backend keyword space. They can suggest which keywords should be prioritised and which may not be worth including.
Search term generators use algorithms to expand your core keywords into comprehensive lists of related terms, synonyms, and phrases that potential customers might use. These tools can help you uncover valuable keywords you might otherwise overlook.
When using these tools, focus on relevance above all else. It is better to rank well for a handful of highly relevant terms than to spread yourself too thin across dozens of tangentially related keywords. This focused approach to Amazon course strategies often yields better results than trying to target everything at once.
Sellers often have specific questions about backend optimisation. Here are answers to some of the most common queries:
There is no magic number of keywords that works for every product. Instead of focusing on quantity, concentrate on using the most relevant, high-converting keywords for your specific product. Make effective use of the available character limits by prioritising terms that accurately describe your product and match customer search behaviour.
External product IDs are globally recognised identifiers such as UPC (Universal Product Code), EAN (European Article Number), ISBN (International Standard Book Number), or GTIN (Global Trade Item Number). Amazon requires these for most new listings to ensure product authenticity and maintain catalogue integrity.
The model name field is where you can specify the particular model or version of your product. This helps customers identify exactly which variant of a product they are viewing, especially important for electronics, appliances, and other products available in multiple models.
The item booking date refers to when inventory for a product was received by Amazon’s fulfilment centres. This is not visible to customers, but is used internally by Amazon for inventory management purposes.
You can find your listing ID in Seller Central by going to Inventory > Manage Inventory. The listing ID usually appears in one of the columns. You may need to customise your column display settings if it is not visible by default.
Understanding these technical aspects can help you manage your listings more effectively and resolve issues more quickly when they arise.
Technical backend optimisation on Amazon is a powerful yet often underutilised aspect of a seller’s strategy. By properly optimising your backend keywords, understanding product IDs, and leveraging the right tools, you can significantly improve your product’s visibility and performance.
Remember, backend optimisation is an ongoing process, not a one-off task. Regular monitoring, analysis, and refining of your keyword strategy are essential to maintain and improve your rankings over time.
While frontend elements such as titles, images, and descriptions are what customers see, it is often the invisible backend optimisation that determines whether customers find your products at all. Balancing both aspects is key to Amazon sales success.
Implementing the strategies outlined in this guide will put you ahead of many competitors who neglect backend optimisation. Combined with strong product quality and customer service, these technical optimisations can help drive sustainable growth for your Amazon business.
At WeMarket, we offer businesses a benchmark report that compares their marketing efforts with their key competitors. You decide which competitors we should compare against.
We specialise in selling physical goods online and growing webshops – and now you can benefit from this expertise, even if you’re not already a client.
It’s completely free.