SEOpeck: SEO Checker & Website Analyzer

Free SEO checker for any web page: one click shows an on-page SEO score with every issue explained, Google PageSpeed, a structured data check and the site's tech stack. No account, no sign-up. It reads a page only when you click the icon (or press Alt+Shift+S). ON-PAGE SEO SCORE AND ISSUES • A quick 0–100 score (our own check, explained in the popup) with each problem and how to fix it • Title and meta description length measured in pixels, with a preview of how the page may look in search results • Heading structure, indexing settings, canonical tag and robots.txt rules • Images without alt text, mixed content and social sharing tags • Speed of this visit, measured in your browser • Copy the report as text or save it as a PDF QUICKER CHECKS • The page's score appears on the toolbar icon after you check it • Right-click any page or link to open a full report on seopeck.com PAGESPEED • Google PageSpeed Insights for mobile and desktop, with what to fix first STRUCTURED DATA • Each JSON-LD block checked against Google's required and recommended properties for its type WEBSITE ANALYZER • See what a site is built with and how it is served • Check the site's robots.txt, XML sitemap, llms.txt and security.txt HIGHLIGHT ON THE PAGE • Outline images without alt text, nofollow links and headings right on the page BUILT-IN TOOLS • Screenshot editor, colour picker and screen recorder • Side panel that stays open while you browse • Quick access to SEOpeck's free web tools, opened with the current page filled in PRIVACY AND PERMISSIONS Manifest V3, no remote code. activeTab and scripting read only the page you click on; storage keeps your favourites and colours on your device; sidePanel shows the report beside the page; contextMenus adds the right-click item. "Follow my browsing" in the side panel is optional and asked for only if you turn it on. Results stay in your browser; only the PageSpeed tab sends the page address to seopeck.com to run Google's test. No tracking, no data sold. Free, with no paid plan. More: https://seopeck.com/page/seo-chrome-extension