- Visibility19
- Citations1
- Sentiment94
- Site quality73
- AI readiness14
AI assistants name Alibris in 18.3% of answers, far more often than the typical company in the retail sector at 6.7%. Its overall score is 38 out of 100, ranking 544th of 2,047 companies. The website passes 2 of 14 technical checks for readiness for AI tools.
We asked 15 unbranded questions about the retail market: none named Alibris. AI assistants named it in 11 of 60 answers (18.3%). The typical retail company is named in 6.7% of answers. By how often it is named, Alibris ranks 153 of 640 in its sector.
Every dot is a company in the study. Hover one to see it; click to open its report.
This companySame sectorEvery other companyNever named
Five parts, each scored out of 100.
How often AI assistants name the company
How often AI uses the company's own website as a source
How positively AI describes the company
How well built the website's own pages are
How easily AI tools can read and use the website
Visibility is calculated from the answers on this page. How the score is built.
640 companies in this sector. The line on each bar is the typical company.
An answer that names the company
“Are online marketplaces for used books reliable for finding out-of-print editions?”
I'll search for information about online marketplaces for used books and their reliability for finding out-of-print editions.Yes, online marketplaces for used books can be quite reliable for finding out-of-print editions, though there are some important considerations:
Major platforms that specialize in out-of-print books:
Alibris facilitates the sale of used books, out-of-print books, and rare books through an online network of independent booksellers. AbeBooks offers out-of-print editions among millions of other books. BookFinder helps you find out-of-print books and compares offers fr …
The AI’s answer as we received it, shortened and not checked for accuracy.
How the mentions in these answers were split between this company and its rivals
Answers naming it, out of answers received
What this website publishes for an AI agent to read, use and buy from, on a scale of six levels.
- 0
- 1
- 2
- 3
- 4
- 5
Level 0: Not yet agent-ready. Agents struggle to find basic information about the site.
- 2 of robots.txt, Sitemap, Link headers
Some checks could not run. With them, up to level 1 would be possible.
The website turns away requests that do not come from a browser. AI agents that say what they are meet the same refusal.
Not by itself. Alibris publishes none of the purchase protocols we look for. An agent would have to click through the checkout like a person.
- UCPNot present
- ACPNot present
- AP2Not present
- x402Not present
- MPPCould not check
Show every check, for your technical teamHide the checks
- study: 92.0%robots.txtPassed
A valid robots.txt with crawl rules at the site root.
- study: 86.8%SitemapCould not check
Serve an XML sitemap and reference it from robots.txt.
- study: 0.3%Link headersCould not check
Send Link headers such as rel="api-catalog" or rel="describedby" on the homepage.
- study: 5.5%DNS for AI DiscoveryNot present
Advertise agent endpoints with SVCB records under _agents.
- study: 1.9%Markdown negotiationCould not check
Return a markdown version when asked with Accept: text/markdown, for example at the CDN.
- study: 25.1%llms.txtNot met
Publish an llms.txt with a short summary and the key links.
- study: 93.4%AI bot rulesPartly met
Add explicit robots.txt groups for the main AI crawlers.
- study: 1.4%Content SignalsNot met
Add a Content-Signal line for search, ai-input and ai-train to robots.txt.
- study: 0.2%Web Bot AuthNot present
Only relevant if you run your own agents or crawlers: publish a signing key directory.
- study: 0.3%API CatalogNot met
List public APIs in a linkset at /.well-known/api-catalog.
- study: 11.8%OAuth discoveryNot met
Publish OpenID Connect or OAuth server metadata under /.well-known.
- study: 10.3%OAuth Protected ResourceNot met
Serve protected resource metadata at /.well-known/oauth-protected-resource.
- study: 0.0%auth.mdCould not check
Publish an auth.md describing how agents sign in.
- study: 0.2%MCP Server CardNot met
Offer an MCP server and publish its server card under /.well-known.
- study: 0.1%A2A Agent CardNot met
Publish an agent card at /.well-known/agent-card.json.
- study: 0.2%Agent SkillsNot met
Publish a skills index with the main tasks agents can do.
- study: 33.7%WebMCPCould not check
Register key actions such as search or cart as WebMCP tools.
- study: 0.1%ARD manifestNot met
Publish an ai-catalog.json listing every agent interface.
Score 23 of 100 · 70% of checks could run · checked on October 5, 2026 · www.alibris.com · 2,047 companies scanned
2 of 14 passed. This list is for your technical team. The percentage is how many companies in the study pass each check.
These 14 checks ran during the audit and are what the AI readiness part of the overall score counts. The scan above ran later and is stricter on Link headers and Markdown, so a check can pass here and not there.
Show the 14 checksHide them
- Passedrobots.txt publishedstudy: 85.0%
- Not metXML sitemapstudy: 73.2%
- Not metHTTP Link headers (RFC 8288)study: 29.0%
- Not metMarkdown content negotiationstudy: 8.3%
- Not metllms.txt publishedstudy: 21.7%
- PassedToken budget (page weight)study: 95.2%
- Not metExplicit AI bot rulesstudy: 13.0%
- Not metAPI Catalog (.well-known/api-catalog)study: 0.2%
- Not metOAuth Authorization Server discoverystudy: 10.1%
- Not metOAuth Protected Resource discoverystudy: 9.3%
- Not metMCP Server Cardstudy: 0.0%
- Not metA2A Agent Cardstudy: 0.0%
- Not metWebMCP toolsstudy: 4.2%
- Not metAgent Skills declaredstudy: 0.0%
This website sets no rules for any AI crawler by name, like 84% of the websites whose rules we could read. Every AI crawler follows its general rules.
- GPTBotpartly
- ClaudeBotpartly
- Anthropic-AIpartly
- Google-Extendedpartly
- Applebot-Extendedpartly
- Meta-ExternalAgentpartly
- FacebookBotpartly
- Bytespiderpartly
- CCBotpartly
- Diffbotpartly
- Omgilibotpartly
- OAI-SearchBotpartly
- Claude-SearchBotpartly
- PerplexityBotpartly
- Applebotpartly
- Amazonbotpartly
- YouBotpartly
- ChatGPT-Userpartly
- Claude-Userpartly
- Perplexity-Userpartly
- DuckAssistBotpartly
- MistralAI-Userpartly
Read from the website’s own rules file (robots.txt). An asterisk marks a crawler the file names. The rest follow its general rules. “Partly” means only some pages are blocked.
How many times each website was listed as a source in these answers
In the study as US retailers: listed as a retailer in Wikidata, a public database, and among the websites Cloudflare Radar ranks as visited.
- Are online marketplaces for used books reliable for finding out-of-print editions?
- How do I resolve issues with missing or incorrect items from an online media marketplace order?
- Which websites offer a wide range of rare and collectible books for avid readers?
- Is it worth buying movies and music albums secondhand from an online marketplace?
- What other options exist for finding cheap classic movies besides online media sellers?
- What should I do if a used book I ordered online arrives in worse condition than described?
- How can collectors safely buy rare or signed books through online media sellers?
- Where can I find the best online selection of used books for college students?
- What are some alternatives to online marketplaces for buying discounted textbooks in the US?
- Are there ways to save on shipping costs when buying multiple books or movies online?
- How do prices for new and used books on online marketplaces compare to in-store prices in the US?
- What's the difference between buying physical books, ebooks, and audiobooks online?
- Where else can I find affordable used music CDs besides online marketplaces?
- How do online textbook marketplaces compare to traditional campus bookstores for buying and selling used textbooks?
- What’s the best way to sell back used textbooks for cash online before the new semester starts?
Columns, left to right: OpenAI, Claude, Perplexity, Gemini. The AI assistants often disagree. Across the study, on 40% of the questions where a company is named, only one of the four names it.
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<a href="https://aeo-audit.rezolve.com/us/alibris.com"><img src="https://aeo-audit.rezolve.com/us/badges/alibris.com.svg" alt="Overall score 38 of 100, US AI Visibility Study 2026" width="280" height="64"></a>