Yoast SEO is a WordPress Plugin that powers thousands of websites. Our detection engine uses multiple signals to identify Yoast SEO-built sites with high accuracy.
Detect Yoast SEO Websites — Free Tool
Enter any URL to check if it was built with Yoast SEO. Instant results, no account required.
How we detect Yoast SEO — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Yoast SEO Websites
HTML Patterns
2 patterns
Meta Tags
1 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for yoast seo-specific patterns in the HTML.
4. Use AI Website Detector (Easiest)
Our automated scanner checks all these signals at once and gives you an instant confidence score. Just enter any URL above.
Frequently Asked Questions
Is this website built with Yoast SEO?
You can detect if any website was built with Yoast SEO by using our free scanner above. Just enter the URL and we'll analyze HTML patterns, JavaScript files, CDN domains, and HTTP headers to determine if Yoast SEO was used — with a confidence score.
How to detect if a website was built with Yoast SEO?
There are several ways to detect Yoast SEO: (1) View the page source and look for Yoast SEO-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Yoast SEO CDN domains, (3) Use our free tool — we check 2 detection signals automatically.
What websites are built with Yoast SEO?
Yoast SEO is used by thousands of websites worldwide. Our scanner has detected many Yoast SEO-built sites across different industries. You can scan any URL to check if it uses Yoast SEO.
How accurate is the Yoast SEO detection?
Our Yoast SEO detection engine checks 2 unique fingerprint signals, achieving high confidence results. We score each match and return a confidence percentage so you know how certain the detection is.
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Detection Info
- Category
- WordPress Plugin
- Signals Used
- 2 patterns
- Accuracy
- High
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