Formspark is a backend-as-a-service specifically for HTML form submissions — it lets static sites (built with plain HTML, Hugo, Jekyll, or similar) accept form submissions and email notifications without running a server, by pointing a form's `action` attribute at Formspark's endpoint. Our engine detects it through 1 script pattern and 1 HTML pattern tied to that endpoint reference in form markup. Documented at formspark.io.
Detect Formspark Websites — Free Tool
Enter any URL to check if it was built with Formspark. Instant results, no account required.
How we detect Formspark — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect Formspark Websites
Script Patterns
1 patterns
HTML Patterns
1 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for formspark-specific patterns in the HTML.
2. Look for Script Files
Check the Network tab in DevTools for JavaScript files loaded from Formspark domains.
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 Formspark?
You can detect if any website was built with Formspark 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 Formspark was used — with a confidence score.
How to detect if a website was built with Formspark?
There are several ways to detect Formspark: (1) View the page source and look for Formspark-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to Formspark CDN domains, (3) Use our free tool — we check 2 detection signals automatically.
What websites are built with Formspark?
Formspark is used by thousands of websites worldwide. Our scanner has detected many Formspark-built sites across different industries. You can scan any URL to check if it uses Formspark.
How accurate is the Formspark detection?
Our Formspark 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
- Form
- Signals Used
- 2 patterns
- Accuracy
- High
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