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Soon Launching shortly for macOS

Find what’s quietly breaking your SEO

Spidor crawls your website the way a search engine does, finds every technical problem and tells you exactly how to fix it. A native Mac app. Your crawls never leave your Mac.

One email when Spidor launches. No spam, and you can unsubscribe any time.

Spidor crawling a website: a live map of pages, crawl statistics and the request log Spidor crawling a website: a live map of pages, crawl statistics and the request log

72 issue types

Broken links, redirect chains, canonicals, indexability, hreflang and more.

A fix for every issue

Why it matters, the steps and a code example. Hand it to your developer.

Runs on your Mac

Native for macOS. No account, no cloud, no upload.

Why Spidor exists

In 2012, I lost 90% of my traffic overnight

A JavaScript plugin on my site started creating a huge number of error pages. Google got confused, and my traffic fell off a cliff.

I worked 24x7 for nearly three months to fix everything. The rankings took another eight to nine months to come back.

Spidor is the tool I wish I’d had back then. Leave your email and I’ll tell you the day it’s ready.

One email when Spidor launches. No spam, and you can unsubscribe any time.