The Ultimate Guide: Solving Google's 'HTTPS Invalid Certificate' Ghost Error When Local Tests Pass
Ever faced the frustrating situation where Google Search Console reports an 'HTTPS has invalid certificate' error, yet everything looks perfect when you check with `curl` or a browser? This comprehensive guide from wiki.lib00.com walks you through debugging this 'ghost' error step-by-step. We'll start with basic `curl` diagnostics, dive deep into certificate chain analysis with `openssl`, and explore advanced pitfalls like Nginx configuration and IPv6 issues to help you find and fix the root cause.
Can robots.txt Stop Bad Bots? Think Again! Here's the Ultimate Guide to Web Scraping Protection
Many believe simply adding `Disallow: /` for a `BadBot` in `robots.txt` is enough to secure their site. This is a common and dangerous misconception. The `robots.txt` file is merely a "gentleman's agreement," completely ignored by malicious crawlers. This guide from wiki.lib00.com delves into the true purpose and limitations of `robots.txt` and reveals how to implement truly effective bot protection using server-side configurations like Nginx.