Paste your page's HTML source code below and instantly check for common on-page SEO issues — title tag, meta description, headings, image alt text, and more.
This free on-page SEO checker audits nine fundamentals that affect how Google understands and displays your page: title tag length, meta description length, H1 heading structure, image alt text coverage, mobile viewport configuration, canonical tag presence, Open Graph tags, structured data, and content length — plus a live preview of how your page will actually look in Google search results.
You'll also see a live preview of exactly how your page will look in Google's search results — the blue title link, green URL, and gray description snippet — so you can judge the actual impact, not just a character count.
Unlike paid audit suites, it runs entirely in your browser — no signup, no account, no data leaving your device. Paste your HTML, get a score in seconds.
An on-page SEO checker is a tool that analyzes the elements directly on a webpage — title tags, meta description, headings, image alt text, and technical tags — that influence how search engines understand and rank that page.
Yes. The tool runs entirely in your browser with no signup, no email required, and no limit on how many pages you can check.
It checks title tag length, meta description length, H1 heading structure, image alt text coverage, mobile viewport configuration, canonical tag presence, and Open Graph tags — seven of the most fundamental on-page SEO factors.
Paid tools like Semrush and Ahrefs check hundreds of ranking factors across an entire site, including backlinks and keyword tracking, usually for a monthly fee. This free checker focuses specifically on nine core on-page fundamentals for a single page — plus a live Google search preview — with instant results and no account required.
A score of 80% or higher generally means the core on-page fundamentals are in place. Below 50% usually indicates missing essentials like a title tag, meta description, or H1 heading that should be fixed first.
Run a blog, agency, or community site? Embed this tool directly for your visitors — free, no attribution required beyond the link back.
Built by Ehsan Ashraf, an independent SEO and digital marketing specialist with 7+ years of experience running technical SEO audits for clients worldwide.