Fresh updates, tutorials and product notes from the Spider.es team.
Cloudflare now blocks AI crawlers by default and has launched a pay-per-crawl system. We explain what "pay per crawl" is, what it means for publishers, and how it fits into your bot-control strategy.
AI-generated answers in Google are cutting organic clicks and rewriting the rules of search. We explain what AI Overviews and AI Mode are, why zero-click searches matter, and how to stay visible.
The llms.txt file offers a clean, curated way to present your content to AI models. We explain what it is, how it differs from robots.txt and sitemaps, and how to create your own.
The file that manages bot traffic was created in 1994 and is more relevant than ever. We trace its history, how it became an official standard, and the challenges posed by today's AI crawlers.
GPTBot, ClaudeBot, PerplexityBot and Google-Extended are rewriting the rules of organic visibility. Learn what AI crawlers do, how they differ from traditional search bots, and what their rise means for your content strategy.
A practical decision framework for webmasters facing the AI crawler dilemma — weighing visibility in AI answers against content scraping, with concrete robots.txt examples.
Learn what crawl budget really is, what wastes it and how to optimize your site architecture, server performance and sitemaps so search engine bots spend their limited visits on the pages that matter most.
A comprehensive technical guide to meta robots tags and X-Robots-Tag HTTP headers, covering every directive from noindex to max-image-preview, per-bot targeting, priority rules and the most common implementation mistakes.
A practical guide to identifying, verifying and managing the bots that crawl your website, from server log analysis and reverse DNS verification to detecting fake Googlebots and choosing the right bot management tools.
Everything you need to know about robots.txt — from basic syntax and wildcard patterns to common pitfalls that silently break your crawl strategy.
How structured data using JSON-LD and Schema.org markup unlocks rich results in search engines, from FAQ snippets to recipe cards, and the practical steps to implement, test and maintain it.
Your pages are live but invisible on Google. Here are the most common technical reasons Google refuses to index content — and how to diagnose and fix each one.
A deep dive into how Googlebot, Bingbot and fellow crawlers discover, render and score websites—and what you should do to keep them happy.
Meet Spider.es, the instant crawler-access checker that reveals which bots reach your site and why others are blocked.