What does DNS Prefetch Checker do?

DNS Prefetch Checker helps you get a practical SEO result you can verify without inflated claims.

Does DNS Prefetch Checker store my input?

We do not store inspected page content. Only aggregated usage stats may be kept if logging is enabled.

No. These tools help you audit and improve pages, but they do not guarantee rankings or AI answer inclusion.

Yes, all core tools are free for personal and professional use.

Browser tools process data locally. Server tools handle requests temporarily; only aggregated stats may be stored.

Pick a tool from the homepage or search by name, then follow the instructions on the tool page.

Use the language toggle at the top of the page to switch editions.

Tools technical

List scripts, dns-prefetch/preconnect/preload, and fonts from pasted HTML.