SEO Tools

About

SEO Tools lets you quickly check the SEO status of any webpage right from your browser. It detects HTTP status codes, noindex directives, canonical links, and redirect chains, highlighting H1–H6 headings, meta tags, and screen resolution with clear syntax coloring for easy review.
HTTP Status Check — instantly see server response codes with warnings for errors and non-200 responses.
Redirect Chain Detection — track full redirect chains (301, 302, 307 and more) with the initial status code shown directly on the extension icon, so you always know where a URL journey starts.
Noindex & Canonical Detection — easily spot pages blocked from indexing or pointing to a canonical URL different from the current page.
H1–H6 Heading Highlighting — visually emphasize page structure with color-coded heading badges for quick analysis.
Meta Tag Syntax Highlighting — clean, colorful display of title, keywords, description, robots directives, and X-Robots-Tag headers.
Link Analyzer — highlight all external links on a page and get an instant count of internal vs. external links.
Screen Resolution Display — instantly shows current viewport and screen size for responsive testing.
TTFB Measurement — monitor Time To First Byte with fast/ok/slow classification to quickly assess server performance.
Text / HTML Ratio — see the ratio of visible text to raw HTML to evaluate content density at a glance.
Character & Word Counter — instantly count characters and words for any selected text directly on a webpage.
Copy & Open Tabs — quickly copy all open tab URLs to clipboard or open a list of URLs from clipboard in new tabs with one click.
Incognito Mode Support — open the current page in a private window instantly to test without cookies or cache.
SEO Helper is your simple, effective assistant for faster SEO audits, smarter technical analysis, and enhanced productivity.