For a long time, Xenu’s Link Sleuth has been a key secret weapon in the SEO’s arsenal. Originally designed for finding bad links in a site, the simple crawler, especially combined with a bit of Excel wizardry, turned out to be useful for all sorts of site audit problems.

However, Xenu’s always had its limitations. That’s fine, it was designed as a simple tool after all. But there’s a new contender on the block, and that contender is Screaming Frog’s SEO Spider. Xenu on crack.