Technical SEO Audit: Find and Fix Issues That Hurt Rankings

A complete technical SEO audit covers crawlability, indexation, site speed, mobile usability, and structured data. Here's how to run one from scratch.

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Free tools mentioned in this article

DNS Lookup — Check A, AAAA, MX, TXT, NS, CNAME records
HTTP Headers Checker — Security score and CDN detection
SSL Certificate Checker — Certificate expiry and A-F grade
Redirect Chain Checker — Trace 301/302 hops, detect loops
Backlink & Authority Checker — Authority score, PageRank, trust signals
See all 9 free domain tools