Amazon listing rules, one at a time.
Each post explains one rule you can check on your own listing, with the source and the date we checked it.
Amazon title requirements: the 75-character limit and every other rule
Amazon title requirements since July 27, 2026: 75 characters or fewer outside media, banned characters, Item Highlights, AI rewrites and a worked example.
Amazon product description: the character limit, HTML rules and what to write
Amazon product description rules, checked Oct 2026: the 2,000-character limit, why HTML stopped working in 2021, line breaks, A+ Content, and an example.
Amazon main image requirements: the complete checklist
Amazon main image requirements, checked Oct 2026: pure white RGB 255, product at 85% of the frame, 1,000 px for zoom, no props, plus file specs and fixes.
Amazon listing optimization: a 25-point checklist built on Amazon's own rules
Amazon listing optimization, checked Oct 2026: 25 checks for title, Item Highlights, bullets, description, images, search terms and category, each sourced.
Amazon listing images: what each of your first six should do, with infographic rules
What each Amazon listing image should do, checked Oct 2026: a 6-image plan, Amazon's rules for text and infographics, phone checks and a worked example.
Amazon Item Highlights: what goes in the 125 characters under your title
Amazon Item Highlights, checked Oct 2026: the 125-character limit, the 75-character title rule, what to write, error 100476, AI rewrites and examples.
Amazon image size: listing image dimensions, pixels and file specs
Amazon image size, checked Oct 2026: 500 px minimum, 10,000 px maximum, 1,000 px for zoom, formats, RGB, file names, and where Amazon's own pages disagree.
Amazon bullet point guidelines: character limits, rules and examples
Amazon bullet point guidelines, checked Oct 2026: the character limit (now set by product type), formatting, banned content and a before/after example.
Amazon backend search terms: the 249-byte limit and every rule
Amazon backend search terms, checked Oct 2026: the 249-byte limit, bytes vs characters, banned words, the 23 product types that need them, and an example.