Free On-Page SEO Checker — 15+ SEO Factors Analyzed Instantly
Our free SEO Checker instantly audits any web page URL across 15+ critical on-page SEO factors and gives you an overall SEO Score from 0 to 100. Each check is color-coded — Good (green), Warning (amber), or Error (red) — with a specific action you can take to fix any issues found.
Unlike complex enterprise SEO tools that require accounts and monthly subscriptions, our checker is completely free, requires no login, and provides instant results directly in your browser.
What SEO Factors Are Checked?
HTTPS Status — Whether your site uses a secure SSL/TLS connection (a confirmed Google ranking signal).
Title Tag — Presence and character length (ideal: 50–60 characters).
Meta Description — Presence and character length (ideal: 120–160 characters).
H1 Heading — Whether exactly one H1 tag is present per page.
H2 Headings — Content structure and heading hierarchy.
Canonical URL — Duplicate content prevention.
Viewport Tag — Mobile-friendliness meta tag.
Open Graph Tags — Social sharing preview quality (og:title, og:description, og:image).
Twitter Card Tag — Twitter/X sharing quality.
Robots Meta Tag — Ensuring the page is not accidentally set to noindex.
Image Alt Attributes — Accessibility and image SEO coverage.
Word Count — Content depth (thin content under 300 words can hurt rankings).
Structured Data (Schema) — JSON-LD presence for rich snippet eligibility.
Internal Links — Internal linking for crawlability and user navigation.
External Links — Outbound link count.
How to Improve Your SEO Score
Start by fixing all red Error items first — these have the highest SEO impact.
Then address amber Warning items to push your score toward 80+.
Re-run the checker after making changes to verify improvements.
