SEOLust – On-Page SEO Checker EN

Analyze the on-page SEO of any web page in one click — no sign-up, no setup, completely free.

SEOLust – On-Page SEO Checker inspects the tab you're viewing and instantly reports the signals that matter for search rankings, then tells you exactly what to fix and how. It's built for SEO specialists, content writers, marketers, developers, and site owners who want a fast, clear on-page audit without leaving the browser.

WHAT IT CHECKS

• Overall SEO score out of 100, so you can gauge a page at a glance
• Title tag and meta description — with live character-length feedback
• Headings structure (H1–H3), including missing or duplicate H1 warnings
• Links breakdown: internal, external and nofollow counts
• Images and missing alt text
• Canonical URL, robots directives, viewport and language tags
• HTTPS and mixed-content detection
• Open Graph and Twitter Card social preview — see how the page looks when shared
• Structured data (JSON-LD schema types) detected on the page
• Keyword density with smart filtering that ignores common filler words
• Readability score (Flesch reading ease)

WHY YOU'LL LIKE IT

• Instant — results appear the moment you open the popup
• Actionable — an "Issues & Fixes" list turns every problem into a clear next step
• One-click fixes — each issue links to the matching free tool on SEOLust.com
• Private — analysis runs locally in your browser; no account and no data collection
• Clean, modern interface that stays out of your way

HOW IT WORKS

1. Open any web page you want to check.
2. Click the SEOLust icon in your toolbar.
3. Read your score, review the findings, and follow the fix links.

Copy a full text report to your clipboard anytime with the copy button.

ABOUT SEOLUST

SEOLust.com offers 220+ free SEO tools for content, technical, on-page, links, domains and more — no sign-up required. This extension brings that toolkit to the page you're on and links you straight to the right tool when you need to dig deeper.

Install SEOLust – On-Page SEO Checker and audit any page in seconds.