SEO Auditor by MAS

Audit page metadata, headings, images, links, social tags, schema and technical SEO in one click, then export a PDF report.

SEO Auditor by MAS gives marketers, developers, content teams and website owners a clear on-page SEO audit in one click. Analyze the page you are currently viewing and quickly understand its SEO strengths, missing signals and practical improvement opportunities—without opening multiple tools. KEY FEATURES • SEO score with prioritized recommendations • Title and meta description content, length and status • Canonical URL, robots directives, viewport, language and hreflang • H1–H6 heading outline with skipped-level and empty-heading warnings • Image previews with ALT text, lazy-loading and dimension checks • Internal, external, unique, nofollow, sponsored and UGC link analysis • Open Graph and Twitter/X social metadata • JSON-LD, Microdata and RDFa structured-data detection • robots.txt and XML sitemap reachability and content preview • HTTPS, mixed-content, favicon, AMP, RSS and web-manifest signals • Lightweight performance snapshot including TTFB, FCP, DOM ready, load event, resources and transfer size • On-page issue highlighting • Quick, detailed and developer-focused copy summaries • Professional A4 PDF report export with the SEO Auditor by MAS logo in the header and footer of every page BUILT FOR PRACTICAL SEO WORK Use SEO Auditor by MAS while reviewing landing pages, blog posts, service pages, product pages and client websites. The interface organizes findings into Overview, Meta, Headings, Images, Links, Social, Schema and Technical sections so important issues are easy to find. The report does more than list raw values. It includes status indicators, issue priority, positive findings and recommended actions. Image URLs can be reviewed beside small image previews when the website allows the image to load. PRIVACY-FIRST DESIGN • Runs only after you click the extension • Uses temporary active-tab access instead of permanent access to every website • Processes SEO audit information locally in your browser • Does not send webpage data or reports to the developer or third parties • Uses temporary local storage only to open the printable PDF report • Does not contain or execute remotely hosted code Some browser-protected pages, internal Chrome pages, login-only content, blocked images or websites with restrictive security policies may limit individual checks or image previews.