HTTP status, redirects, GZIP/Brotli compression, HTTP/2, HTML size, Flash content.
We check HTTP status, redirect chains, compression (GZIP/Brotli), HTTP/2 protocol, HTML size, and presence of obsolete technologies (Flash).
Checks HTTP response status code.
200 OK
Tracks redirect chains. Long chains slow down loading.
A → B → C → D
Verifies server compression (GZIP or Brotli).
Content-Encoding: br
Checks if server uses HTTP/2 protocol for faster loading.
Measures HTML document size. Oversized pages load slowly.
Checks if www and non-www versions redirect to the same URL.
www.site.com → site.com
Checks for favicon icon in browser tabs and search results.
<link rel="icon" href="/favicon.png">
Detects deprecated HTML tags like font, center, marquee.
<font>, <center>, <marquee>
Checks for llms.txt file for LLM/AI discoverability.
/llms.txt
Detects analytics tools (Google Analytics, GTM, Matomo, etc.).
gtag.js, gtm.js
Checks for breadcrumb navigation for better UX and SEO.
Home > Category > Page
Detects iframes — content inside is not indexed by search engines.
<iframe src="...">
Technical issues can block indexation or slow down loading. GZIP compression, HTTP/2, and proper redirects directly affect user experience.
Title, meta description — length, relevance, keyword presenc...
Heading structure, hierarchy, H1 presence, H1 length, duplic...
Word count, text-to-HTML ratio, placeholder text (Lorem Ipsu...
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...