Docs
Every check MetricSpot runs on a website — what each one does, why it matters, and how to fix it.
Technical
Crawlability, indexability, structured data, and security — the foundation every other layer of SEO sits on.
- Block clickjacking with frame-ancestors
- Canonical tags
- DMARC policy
- Enable HSTS
- Favicon
- HSTS preload
- HTTP 200 status code
- HTTPS on your site
- Keep redirect chains short
- Redirect HTTP to HTTPS
- robots.txt file
- Serve a real 404, not a soft-404
- Set the viewport meta tag
- Sitemap in robots.txt
- Use hreflang for international SEO
- XML sitemap
On-page
Titles, meta descriptions, headings, image alts, and internal linking. The most direct on-page levers for how a page ranks.
Performance
Core Web Vitals (LCP, CLS, INP), Lighthouse score, and server response time. Speed signals affect both rankings and conversion.
AI readability
How easily LLMs and AI agents (ChatGPT, Perplexity, Google AI Overviews) extract and cite your content.
Modern SEO
E-E-A-T signals: author byline, trust pages, content depth, URL hygiene, title hooks.
Social
How well your site reads when shared on Facebook, X, LinkedIn, Slack, and Discord — plus social-graph alignment.
Accessibility
WCAG checks and the Lighthouse accessibility score. Legally required in the EU under the Accessibility Act from June 2025.
Privacy
Tracker count, cookie consent, fingerprinting, cookie security flags, and privacy policy link — what GDPR and CCPA actually enforce.
Readability
Flesch–Kincaid grade, sentence length, passive-voice ratio, paragraph length. Yoast and Hemingway parity.
Tech stack
What CMS, framework, analytics, ads, payment, and CDN tools are wired into the page.