About Crawlson

Crawlson search engine currently crawls from these IPs, if you are relevant service provider (ISP, WAF, Firewall, etc), please whitelist them, thank you.

A plain text list for automated processing is available here: https://www.crawlson.com/crawler-ips

IPs last updated 2022-07-04


Crawlson currently crawled 441 million urls in 71 million domains and indexed 295 million links.

See more statistics.

Crawlson search engine is currently under an experimental state and might perform slow for certain queries, we will add more servers if it proves reliable to do so.

Search options

site:example.com - displays all pages we read from a site

domain:example.com - displays statistics about this domain, total backlinks, speed, etc

links:example.com/page.html - displays all links to a given url (coming soon)

Webmaster tips

To avoid crawling the same content multiple times, make sure your site returns a Last-Modified header date for each page/file, our crawlers check modify dates before downloading the full url.

If you cannot find your URL, or you have a new website, you can submit it.

More resurces

See the list of most popular domains, their total back links, etc

download a list of top 1 million domains sorted by link popularity.