SEOgrinder Blog
Practical guides on SEO and on being found by AI assistants.
- AI Crawlers and JavaScript: Why ChatGPT May See an Empty Page
AI crawlers and JavaScript: a bot that skips scripts reads only the HTML your server sends. Run three one-minute tests and fix an empty page.
- AI Visibility Checker: Can ChatGPT, Gemini and Perplexity Reach Your Website?
An AI visibility checker either tracks brand mentions or tests whether AI crawlers can read your site. Learn the difference and run the free check.
- Fix SEO Issues With an AI Coding Agent: A Safe Workflow for Claude Code and Cursor
Fix SEO issues with an AI coding agent: what to hand over, a six-step workflow with checkable targets, and the rules that protect your code.
- Google AI Overviews and AI Mode: What Google Actually Says You Need to Do
AI Overviews and AI Mode: what Google says you need to appear, what you can control, and how to check what Googlebot sees on your pages.
- Markdown for AI Agents: Accept text/markdown, Content-Signal and Link Headers Explained
Markdown for AI agents explained: how Accept: text/markdown works, how to serve it with Vary and a canonical header, and what is not proven.
- Open Graph Tags: How to Set og:image and Get Clean Link Previews
Open Graph tags explained: the four required tags, the og:image size rules, a copy-ready HTML snippet and how to test your link preview.
- robots.txt for AI Crawlers: Allow or Block GPTBot, ClaudeBot and PerplexityBot
Set up robots.txt for AI crawlers: which bots search, train or fetch pages for a user, and how to allow or block each one without breaking your rules.
- SEO Audit Checklist: What to Check and How to Run It for Free
A free SEO audit checklist in eight groups, ordered by impact: what to check, what good looks like, and how to run the audit in one short session.
- Soft 404 Errors: What They Are and How to Fix Them
A soft 404 is a page that says “not found” but answers with status 200. Learn what causes it, how to find it and how to fix it in nginx, Node and SPAs.
- What Is llms.txt? How to Create One and Whether It Actually Works
llms.txt explained: what the file contains, how to create one in minutes, and what Google and AI vendors have said about whether it works.