Learn
Guides, fundamentals & comparisons.
Everything you need to run better technical-SEO audits — whether or not you use RacingRoach. Task-based how-tos, a plain-language SEO glossary, and tool comparisons that say where we lose.
How-to guides
Task-based walkthroughs that get you to a result, step by step.
Find & fix broken links
Surface 4xx and 5xx pages with the internal links that point to them.
Crawl very large sites
Audit hundreds of thousands of URLs without running out of memory.
Crawl JavaScript sites
Render SPAs and JS-heavy pages to audit the DOM users actually see.
Compare two crawls
Diff a site over time to confirm fixes landed and catch regressions.
Audit redirects
Resolve chains and loops hop by hop and clean up wasted redirects.
Validate structured data
Extract JSON-LD and microdata and check it against the rules that matter.
SEO fundamentals
Plain-language explainers for the concepts behind the checks.
Crawl budget
How search engines allocate crawling, and why it matters at scale.
Canonical tags
How canonicals consolidate duplicates and where they go wrong.
HTTP status codes
What 2xx, 3xx, 4xx, and 5xx mean for crawlers and indexing.
XML sitemaps
What belongs in a sitemap, and how it guides discovery.
robots.txt
How allow and disallow directives shape what gets crawled.
Redirects
301 vs 302, chains and loops, and the SEO impact of each.
Comparisons
Side-by-side looks at how the tools stack up, prices and ratings included.
Content library in progress
The full guide and glossary library is being written. Want to know when cornerstone articles land? Keep an eye on the blog.