The Free Backlink Checker is powered by its own backlink index, with billions of pages crawled on a daily basis. The tool allows you to track and analyze any site’s backlinks, see the historical stats, filter by nofollow/dofollow, and view anchor text data.

The Content Editor tool in WebSite Auditor lets you write SEO-friendly content even without much SEO expertise. Get specific keyword recommendations as you write - all based on in-depth SERP stats and competitor analysis.

Putting hundreds of pages through Google's PageSpeed Insights one by one is a pain. With the new Core Web Vitals module in WebSite Auditor, you can automatically check the crucial page speed data for your website in one place.

Crawl the Internet. Register all new and lost backlinks. Estimate the relative authority of all domains and pages on the web, based on their link popularity. Power your own dashboards. Build custom reports. Re-sell our data to your users. The sky's the limit.