Technical SEO guides, audit walkthroughs and Crawlens product news.https://crawlens.cc/https://crawlens.cc/blog/canonical-tag-errors/https://crawlens.cc/blog/canonical-tag-errors/Canonicals pointing to redirects, errors or noindex pages, multiple canonicals and missing ones. How to audit rel=canonical across a site and fix what's broken.Sat, 03 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/core-web-vitals-audit/https://crawlens.cc/blog/core-web-vitals-audit/PageSpeed Insights tests one URL at a time. How to audit LCP, INP and CLS across a whole site with real-user CrUX data, and what to fix first.Sat, 03 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/find-duplicate-content/https://crawlens.cc/blog/find-duplicate-content/Exact and near-duplicate pages, duplicate titles and descriptions. How to find them across a site and when to redirect, canonicalise or rewrite.Sat, 03 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/hreflang-errors/https://crawlens.cc/blog/hreflang-errors/Invalid codes, missing return links, non-indexable alternates, no self-reference, no x-default. How to find and fix the hreflang errors that break SEO.Sat, 03 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/log-file-analysis-seo/https://crawlens.cc/blog/log-file-analysis-seo/Server logs show every request Googlebot actually makes. How to verify real Googlebot, find crawl errors and wasted crawls, and spot pages Google never visits.Sat, 03 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/orphan-pages/https://crawlens.cc/blog/orphan-pages/Orphan pages have no internal links pointing to them, so users and crawlers struggle to find them. How to find them with sitemaps, Search Console and logs.Sat, 03 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/redirect-chains/https://crawlens.cc/blog/redirect-chains/What redirect chains and loops are, why they slow crawling and users down, and how to find and fix every one on your site in a single pass.Sat, 03 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/claude-technical-seo-audit-mcp/https://crawlens.cc/blog/claude-technical-seo-audit-mcp/Connect Crawlens to Claude over MCP and turn a long issue list into a prioritised, developer-ready plan built on your own crawl data.Fri, 02 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/javascript-seo-raw-vs-rendered-html/https://crawlens.cc/blog/javascript-seo-raw-vs-rendered-html/Titles, canonicals, links or content that only appear after JavaScript runs are invisible to many crawlers. How to compare raw and rendered HTML.Fri, 02 Oct 2026 00:00:00 GMThttps://crawlens.cc/blog/striking-distance-keywords/https://crawlens.cc/blog/striking-distance-keywords/Page-two rankings get almost no clicks but are often the cheapest wins. How to find them with Search Console and a crawl, and what to fix first.Fri, 02 Oct 2026 00:00:00 GMT