Useful tools. Not affiliate links.
Tools, templates, and reading lists that ThatDevPro uses internally and shares publicly.
Free audits and tools
Free engine optimization audit
Hand-reviewed written audit covering technical SEO, schema, CWV, AEO readiness, and AI citation surfaces. 48-hour turnaround.
Request audit →PageSpeed Insights
Google's official CWV measurement tool. The numbers that drive ranking.
Open PSI →Rich Results Test
Validates your Schema.org JSON-LD. If you cannot pass this, you cannot win rich snippets.
Open Rich Results Test →Schema.org documentation
The vocabulary. Memorize the Organization, Person, LocalBusiness, Service, FAQPage, and BreadcrumbList shapes.
schema.org →Reading list for engine optimization
- Google Search Central documentation (the authoritative source for what Google does and does not rank)
- Bing Webmaster Guidelines (more transparent than Google in many cases)
- Anthropic and OpenAI documentation on web crawling (for AEO surface design)
- WCAG 2.2 quick reference (for accessibility compliance)
- Web.dev Core Web Vitals guide (for LCP/CLS/INP optimization)
ThatDevPro internal docs
- llms.txt — structured site index for LLM crawlers
- entity.json — full schema graph
- aeo.json — AEO canonical Q&A
- research — original research and methodology
- tutorials — how-to guides
- glossary — definitions for search, AI, and web engineering terms
- statistics — sourced measurements and industry reference data
- HTML sitemap — human-readable index of public pages