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Paper collage: a crawler robot, an observatory telescope, a laptop with charts, a radar magnifier, servers and an entity graph – free SEO and AI tools

Ewelina Podrez-Siama · tools and lists

Free AI SEO tools

Six tools I built for my own audits, plus two lists. Free, no sign-up.

LLM SEO tools check what search engines and language models can learn about your site: whether they recognize your brand as an entity, whether their bots are allowed to read your pages and actually visit them, and whether your content made it into the data AI models learn from. Each tool here answers one of those questions.

6

free tools,
no sign-up

148

bots and user agents
in the list

2

lists I keep
up to date

Tools

My free LLM SEO tools

Each one answers a question I kept asking in client audits. If you work on a personal brand or a company, start with the Entity Observatory.

Tool

Entity Observatory

How does your site describe a person or a company? Visualize your entity. Enter a page URL, a JSON-LD snippet or a Wikidata ID and see the entity and its relations as a map and a table. It also compares your sameAs links with Wikidata.

Lists

Two lists I keep up to date

Not tools in the strict sense, but I use them just as often: one to identify bots in server logs, the other to see how old a model’s knowledge is.

Looking for the other SEO and AI tools I use every day, free and paid? My full list of 40 is in Polish: Narzędzia SEO.

Questions

Questions about the tools

What are LLM SEO tools?

Tools that check what search engines built on language models can learn about your site: ChatGPT, Gemini, Perplexity, Google’s AI Overviews and AI Mode. They don’t track rankings. They answer questions such as: does the model recognize your brand as an entity, are its bots allowed to read your pages, do they actually visit them, and did your content end up in the data AI models are trained on.

Are these tools really free?

Yes. No account, no email, no paid version. I built them for my own audits and client work and made them public. If something doesn’t work or a feature is missing, every tool page has a short feedback form.

What happens to my files and the data I enter?

Your files stay with you. A server log, a Search Console export, a JSON-LD file in the Entity Observatory or a robots.txt you paste is read in your browser and never leaves your computer. Three tools do send what you type to the podrez.pl server: the Entity Observatory (a page URL), the Knowledge Graph checker (a name or kgmid) and the robots.txt checker (a domain). The server fetches the public data and sends it back to your browser. I keep no list of the addresses, names or domains people enter. The Knowledge Graph checker keeps Google’s answer for 24 hours under a hash of the query, and the robots.txt checker keeps hashes for rate limits for up to a day. Neither stores what you typed. The Common Crawl checker asks Common Crawl straight from your browser, and Wikidata and Wikipedia requests go straight to Wikimedia. Google Analytics gets only events, such as the mode you used, the type of result or a file size bracket, never what you enter or upload. Each tool page has a Privacy section that says exactly what goes where.

Which tool should I start with?

It depends on your question. Working on a personal brand or a company? Start with the Entity Observatory, then check the Knowledge Graph. Wondering whether AI bots can reach your content? Run the robots.txt checker first, then load a server log into AI Bots in Logs to see who actually comes.

What next

The tools show you the data. Not sure what to do with it?

That is what I work on with clients in AI search visibility and personal brand SEO. Send a short brief: your site and what the tool showed.

Send a project brief