Free SEO tool
On-Page HTML Checker
Paste a page’s HTML and get an instant 15-point SEO, AEO and GEO check.
Tip: open your page, press Ctrl+U (View source), select all and copy. Nothing leaves your browser.
Press Check page to see 15 checks. A sample page is loaded so you can try it now.
Short answer
What does the On-Page HTML Checker do?
The On-Page HTML Checker analyses a page’s source code in your browser and checks 15 essentials: title, meta description, H1, canonical, robots, language, viewport, Open Graph, structured data, image alt text, headings, word count and question headings.
How do I use it?
- Open your page, right-click and choose “View page source”.
- Copy everything and paste it into the box.
- Fix the items marked as errors first, then warnings.
Frequently asked questions
Why paste HTML instead of a URL?
Browsers block websites from fetching other websites directly, so pasting the source keeps the check fast, private and free. Nothing leaves your browser.
Analyze your website — free
Enter your domain for an instant report on what’s holding it back. Want us to fix it? Call or message us any day.
THB — The House of Business, Level 10, Shyamoli Square, Dhaka 1207, Bangladesh
Open daily 9:00 AM – 7:00 PM
Mobile: +8801805-564599
Telephone: +8809639-321355
WhatsApp (direct): +8801805-564599
WhatsApp (information): +8801550-721721