Heading structure, hierarchy, H1 presence, H1 length, duplicates, and skipped levels.
We analyze H1-H6 heading structure: H1 presence, H1 count, H1 length, hierarchy (skipped levels), and title-H1 match.
Checks presence and count of H1 headings. Ideally one H1 per page.
<h1>Main Page Title</h1>
Verifies H1 heading length. Recommended max 70 characters.
Checks proper heading hierarchy without skipped levels.
H1 → H2 → H3 (no gaps)
Detects if title tag and H1 are identical.
Proper heading hierarchy helps search engines and users understand content structure. H1 signals the main topic of the page.
Title, meta description — length, relevance, keyword presenc...
Word count, text-to-HTML ratio, placeholder text (Lorem Ipsu...
HTTP status, redirects, GZIP/Brotli compression, HTTP/2, HTM...
Core Web Vitals — LCP, CLS, TBT, FCP via Google PageSpeed In...
Alt text presence for accessibility and SEO. Percentage of i...
Internal and external links count, ratio, orphan page detect...
Schema.org JSON-LD — presence, types, and validation of requ...
Open Graph (og:title, og:description, og:image) and Twitter ...
Canonical URL, robots.txt, sitemap.xml, noindex/nofollow, hr...
HTTPS check, mixed content, HSTS, CSP, X-Frame-Options, emai...
DOM size, inline CSS/JS, render-blocking resources, lazy loa...
Keyword frequency, n-gram analysis, consistency across title...
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