Title, meta description — length, relevance, keyword presence. Open Graph and Twitter Cards check.
We check the presence, length, and quality of the title tag and meta description. We verify Open Graph tags (og:title, og:description, og:image) and Twitter Card tags for proper social sharing.
Checks presence and length of the title tag. Title is a key ranking signal.
<title>SEO analýza online | SEO Test</title>
Verifies meta description — length and presence. Shown in search results.
<meta name="description" content="...">
Checks Open Graph tags for proper social media sharing.
og:title, og:description, og:image
Verifies Twitter Card tags for display on X/Twitter.
<meta name="twitter:card" content="summary_large_image">
Title tag and meta description are the first contact with users in search results. Well-optimized meta tags increase CTR and help search engines understand page content.
Heading structure, hierarchy, H1 presence, H1 length, duplic...
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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