SEO & webmaster guides

Practical guides written to be used, not skimmed — each one paired with a free tool so you can check your own site as you read.

SEO Audit Checklist: A Practical Step-by-Step Guide A practical SEO audit checklist: crawlability, indexability, on-page tags, technical health, Core Web Vitals, structured data, internal links and AI readiness. SEO · 6 min read Schema Markup Guide: JSON-LD, Types and Testing A practical schema markup guide: JSON-LD vs Microdata vs RDFa, common types, required properties, @graph, testing tools, Google's guidelines and FAQ changes. SEO · 6 min read Robots.txt Guide: Syntax, Rules and Common Mistakes A practical robots.txt guide: RFC 9309 syntax, groups, Allow and Disallow, wildcards, the longest-match rule, sitemaps, and the mistakes that hurt SEO. Technical SEO · 6 min read Meta Tags for SEO: What Still Matters Which meta tags still matter for SEO: title, meta description, robots, canonical, viewport, charset, hreflang and Open Graph, plus the tags Google ignores. SEO · 7 min read The Keyword Density Myth: What Matters Instead Keyword density isn't a Google ranking factor. Learn where the myth came from, what Google says, what matters instead, and how to use a density check sensibly. Keywords · 5 min read How to Read Server Log Files for SEO A plain-English guide to server log files for SEO: what a log line means, how to spot Googlebot, which pages get crawled, and how to turn that into fixes. Technical SEO · 4 min read How to Improve Website Speed and Core Web Vitals How to improve website speed: Core Web Vitals targets, lab vs field data, and fixes for images, caching, CDNs, fonts, JavaScript and server response. Website · 5 min read How to Find and Fix Broken Links on Your Site How to find and fix broken links: internal vs external dead links, soft 404s, when to update, redirect or remove, custom 404 pages, and what to fix first. Technical SEO · 6 min read How to Find Out Who Owns a Domain Name How to find who owns a domain using WHOIS and RDAP, what to do when data is redacted, how to reach registrars, and the clues in DNS and SSL certificates. Domain · 6 min read What CMS Is This? How to Find a Site's CMS Wondering what CMS is this site using? Check the generator tag, asset paths, headers and cookies by hand, understand headless limits, and use a CMS checker. Website · 5 min read How to Find Guest Post Sites That Are Worth It Find guest post sites with search operators, vet them for real audiences and editorial standards, avoid link sellers, and pitch editors who say yes. Backlinks · 6 min read How to Create an XML Sitemap (and Submit It) How to create an XML sitemap that follows sitemaps.org, stays within size limits, uses accurate lastmod dates, and gets submitted to Google the right way. Technical SEO · 7 min read