Amazon listing optimization: a 25-point checklist built on Amazon's own rules

By Listing Mammoth team · October 22, 2026

Amazon listing optimization means making each part of your listing follow Amazon's written rules and answer what shoppers search for and ask. The parts are the title, Item Highlights, bullets, description, images, backend search terms and category. This checklist has 25 points. Each one is either a rule Amazon has written down, with its source, or a check you can do yourself in a few minutes. Every rule was checked against Amazon's help pages on October 22, 2026.

It won't promise rankings or sales. Amazon doesn't publish how its search weighs each field, and we don't claim to know. What you can control is whether your listing breaks a rule, leaves out a fact, or hides a search phrase where shoppers never see it.

Open your listing on a phone, then work through the list.

The checklist at a glance

Title (5 checks)

Full detail: Amazon title requirements.

1. 75 characters or fewer, spaces included. Required since July 27, 2026 for every product type except media ^[1][14]. Amazon's title page gives the reason: "75 or fewer characters is required because mobile screens truncate long titles" ^[2].
2. The information in Amazon's order. Brand name, flavor or style, product type, key attribute, color, size or pack count, model number ^[2]. Not every product has all seven. Keep the order for the ones you have.
3. No banned characters. ! $ ? _ { } ^ ¬ ¦ aren't allowed unless they're part of the brand name, which belongs in the Brand field ^[2].
4. No word more than twice. Prepositions, articles and conjunctions don't count ^[2].
5. No promotional or subjective phrases. No "free shipping", "Hot Item" or "Best seller". Capitalize the first letter of each word, except prepositions, conjunctions and articles ^[2].

Item Highlights (3 checks)

Full detail: Amazon Item Highlights.

1. Filled in. Once your title is within 75 characters, you get Item Highlights: 125 more characters, shown below the title in search results and on the detail page ^[2].
2. Comma-separated phrases, not sentences. Amazon's own example is "USB-C, PPS Support, Cable not included" ^[2].
3. Nothing repeated from the title. Amazon's developer documentation says: "Do not repeat information already in the item name" ^[3].

Bullets (4 checks)

Full detail: Amazon bullet point guidelines.

1. At least three bullets, each a different fact. Amazon asks for at least three ^[4]. Five gives you room for the facts shoppers check.
2. Within your product type's limit. "Bullet point character limits vary by product type" ^[4]. The counter in Seller Central shows yours.
3. Nothing prohibited. No emojis, special characters such as ™ or ®, placeholder text such as "N/A", ASINs, guarantee wording such as "Full refund", or claims such as "eco-friendly" and "anti-bacterial" ^[4].
4. No comparisons with competitors. "Do not compare your product to competitor brands." Avoid comparative claims unless they're verifiable on the packaging ^[4].

Description (3 checks)

Full detail: Amazon product description: character limit and HTML.

1. Plain text. "Don't use HTML, JavaScript, or other types of code in your product detail pages. As a special case, you can use line breaks" ^[5].
2. Within the limit. Amazon staff say to "use up to 2,000 characters" ^[6]. Check your product type's limit in Seller Central.
3. Filled in, even with A+ Content. A+ Content replaces the description on the detail page ^[7], but keep the description accurate as a fallback.

The same detail page rules ban prices, contact details, URLs, reviews and promotions in titles, descriptions, bullets and images ^[5].

Images (5 checks)

Full detail: main image requirements, image size and what each image should do.

1. Main image on pure white, RGB 255, 255, 255. Check the corners with an eyedropper tool ^[8].
2. Product fills 85% of the main image, shown once, whole, with nothing that isn't included. No text, logos or badges ^[8].
3. 1,000 pixels or more on the longest side, so shoppers can zoom ^[8].
4. At least six images, each with a different job. Amazon's image guide recommends a main image plus at least six more and a video ^[8]. Our advice: treat six as the minimum, add more when you have them, and give each image a different job: benefits, size, in use, detail or how to use.
5. No reviews, star graphics, prices, shipping claims or Amazon badges on any image ^[8]. If an image shows photorealistic AI-generated people, tag the file with contains-synthetic-performer ^[8].

Backend search terms (2 checks)

Full detail: Amazon backend search terms.

1. Under 250 bytes. Amazon limits the Generic Keyword field to "less than 250 bytes" ^[11]. If a feed value goes over, Amazon Search ignores the whole field, not just the excess ^[10]. Count bytes, not characters: an accented letter takes two.
2. Only words shoppers use that aren't already visible. Synonyms and spelling variations, but not common misspellings ^[9]. No brand names (yours or others), ASINs, temporary words such as "new" or "on sale", or subjective words such as "best" ^[9].

Category (1 check)

1. A specific browse node. "ASINs that don't have a browse node assigned are not indexed by Amazon." The fix is a relevant, specific Item Type Keyword ^[12]. If your detail page shows no browse path (the category breadcrumb), the browse node is missing ^[12]. Amazon also says correct Item Type Keyword values place your product "in the most relevant subcategories" ^[11].

Keywords across the listing (1 check)

1. The phrases shoppers search are in your visible copy. Type your product type into Amazon's search bar and note the suggestions. If you advertise, check your search term report too. Then read your title, Item Highlights and bullets. A top phrase that appears only in the backend field is never seen by shoppers. Amazon also notes it may not use all of your description and bullets for search ^[11], so the title and Item Highlights carry the most important phrases.

After every change (1 check)

1. Check the live page. Title and Item Highlights changes can take 24 to 48 hours to appear ^[2]. New images can take up to 24 hours ^[8]. Open the listing on a phone and a computer after that. If something didn't update, edit and resubmit it ^[2].

What to fix first

Fix the parts that most shoppers see first:

1. Main image and title. Both appear in search results ^[2][8]. If there's no compliant main image, Amazon may temporarily remove the listing from search ^[8].
2. Item Highlights. They show below the title in search results too ^[2].
3. Category and backend search terms. A missing browse node means the product isn't indexed at all ^[12].
4. Bullets, other images and description. Shoppers see these after they click.

To test changes, Amazon's Manage Your Experiments tool can compare two versions of content, such as title variations or photo options ^[13].

What isn't on this list, and why

• Ranking tricks. Amazon doesn't publish how its search ranks listings. Tactics that claim to "beat the algorithm" are guesses.
• Reviews and price. They matter to shoppers, but you can't fix them in the listing editor.
• A+ Content. It's available through Brand Registry and has its own rules. It needs its own checklist.
• Advertising. Ads bring traffic. This list is about what that traffic finds.

A worked example

Here's how a made-up listing (Larkfield is not a real brand) does against the first eight points:

• Title: "LARKFIELD Water Bottle!!! Best Insulated Water Bottle, Water Bottle for Gym, 32 oz Stainless Steel Leak Proof BPA Free Wide Mouth Bottle". That's 136 characters, so it fails point 1. It also fails point 3 (exclamation marks), point 4 ("Water" and "Bottle" are each used more than twice) and point 5 ("Best", and the all-capital brand).
• Fixed title (71 characters): "Larkfield Insulated Water Bottle, 32 oz Stainless Steel, Leak-Proof Lid".
• Item Highlights (87 characters): "Double-wall vacuum insulation, BPA-free, wide mouth, for gym, hiking, travel and office". That passes points 6 to 8: comma-separated phrases, and no repeats from the title.

The full rewrite, with bullets and search terms, is in our title guide and backend search terms guide.

The printable checklist

Title

• 75 characters or fewer
• Brand, style, product type, key attribute, color, size, model
• No ! $ ? _ { } ^ ¬ ¦
• No word more than twice
• No promotional or subjective phrases

Item Highlights

• Filled in, up to 125 characters
• Comma-separated phrases
• Nothing repeated from the title

Bullets

• At least three, each a different fact
• Within your product type's limit
• No emojis, special characters, ASINs, guarantees or prohibited claims
• No competitor comparisons

Description

• Plain text, line breaks only
• Within the limit (up to 2,000 characters)
• Filled in, even with A+ Content

Images

• Main image on pure white
• 85% fill, product only, no text
• 1,000 px or more on the longest side
• At least six images, each with a different job (Amazon suggests six more plus a video)
• No reviews, stars, prices, shipping claims or badges

Search terms and category

• Under 250 bytes
• No brands, ASINs, temporary or subjective words
• A specific browse node

Keywords and follow-up

• Top search phrases in the visible copy
• Live page checked after 48 hours

Run the checklist automatically

Our free listing score runs most of this list for you. It checks title length, title rules and brand position, Item Highlights, bullets, your description or A+ Content, the main image's background, fill and zoom size, your image count and gallery types, and how much real search demand your visible copy covers. It can't read your backend search terms, which aren't public, and it doesn't check your category. Every point shows the check behind it, and How we score lists them all. If you'd rather hand the whole list over, Listing Mammoth refreshes one listing. You get a new title, Item Highlights, five bullets, a description and backend search terms, plus an enhanced main image, checked against your photo, and five explainer images.

Frequently asked questions

What is Amazon listing optimization?

Making each part of a listing follow Amazon's written rules and answer what shoppers search for and ask: the title, Item Highlights, bullets, description, images, backend search terms and category ^[2][11].

What should I optimize first on an Amazon listing?

The main image and the title, because both appear in search results. Then Item Highlights, which also show there, and the browse node, because an ASIN without one isn't indexed ^[2][8][12].

How long should an Amazon title be in 2026?

75 characters or fewer, spaces included, for every product type except media. The rule took effect on July 27, 2026 ^[1][2].

How many images does an Amazon listing need?

One compliant main image is required. Amazon recommends at least six additional images and one video ^[8].

How long until listing changes show on Amazon?

Title and Item Highlights changes can take 24 to 48 hours to appear. New images can take up to 24 hours ^[2][8].

Does a listing optimization checklist guarantee higher rankings?

No. Amazon doesn't publish how its search ranks listings. A checklist makes sure your listing follows the rules and shows the facts and phrases shoppers look for.

Sources

1. Amazon Seller Forums (News), “Updates to improve your product titles begin on July 27”. sellercentral.amazon.com · checked 2026-10-22 · Amazon announcement
2. Amazon Seller Central help, “Product title requirements and guidelines”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
3. Amazon Selling Partner API docs, “Submit modular titles”. developer-docs.amazon · checked 2026-10-22
4. Amazon Seller Central help, “Product bullet point requirements”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
5. Amazon Seller Central help, “Product detail page rules”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
6. Amazon Seller Forums (Dougal_Amazon), “How to Sell on Amazon 100: Listing Creation 101”. sellercentral.amazon.com · checked 2026-10-22 · Amazon staff post, updated 2026
7. Amazon Seller Forums (Michelle_Amazon), “When you have A+, does Product Description value still helps with SEO and BSR?”. sellercentral.amazon.com · checked 2026-10-22 · Amazon staff reply
8. Amazon Seller Central help, “Product image guide”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
9. Amazon Seller Central help, “Use search terms effectively”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
10. Amazon Seller Central help, “Keyword attributes explained”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
11. Amazon Seller Central help, “Optimize your product discoverability”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
12. Amazon Seller Central help, “My ASIN is unsearchable”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser
13. Sell on Amazon blog (Amazon), “How to boost Amazon listings to drive more sales: 10 tactics”. sell.amazon.com · checked 2026-10-22 · Amazon-owned blog
14. Amazon Seller Central help, “Media product types exempt from product title requirements”. sellercentral.amazon.com · checked 2026-10-22 · public page, loads in a browser