HubSpot is an all-in-one inbound marketing, sales, and CRM platform widely adopted by small-to-midsize businesses and enterprise marketing teams for managing campaigns, landing pages, email automation, and customer pipelines. AIWebsiteDetector.com identifies HubSpot-powered sites through a combination of 3 distinct script patterns and 1 HTML pattern embedded within page source code, typically including references to HubSpot's proprietary JavaScript tracking library loaded from their CDN infrastructure, along with characteristic markup attributes injected into the DOM by the platform. These signals are highly reliable indicators because HubSpot consistently injects its analytics and forms SDK — most notably the `hs-scripts.com` CDN domain and the `hubspot-messages-iframe-container` HTML element — across virtually all sites built or tracked on the platform. The detection engine cross-references these patterns to establish confident identification, making HubSpot one of the more straightforward platforms to fingerprint due to its consistent and opinionated approach to front-end asset delivery. HubSpot operates as a hosted SaaS platform with tiered pricing ranging from a free CRM tier to premium Marketing Hub plans, meaning detected sites are always cloud-hosted under HubSpot's infrastructure rather than self-hosted, which further reinforces the reliability of its signature technical footprint.
Detect HubSpot Websites — Free Tool
Enter any URL to check if it was built with HubSpot. Instant results, no account required.
How we detect HubSpot — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
How to Detect HubSpot Websites
Script Patterns
3 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 hubspot-specific patterns in the HTML.
2. Look for Script Files
Check the Network tab in DevTools for JavaScript files loaded from HubSpot 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 HubSpot?
You can detect if any website was built with HubSpot 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 HubSpot was used — with a confidence score.
How to detect if a website was built with HubSpot?
There are several ways to detect HubSpot: (1) View the page source and look for HubSpot-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to HubSpot CDN domains, (3) Use our free tool — we check 4 detection signals automatically.
What websites are built with HubSpot?
HubSpot is used by thousands of websites worldwide. Our scanner has detected many HubSpot-built sites across different industries. You can scan any URL to check if it uses HubSpot.
How accurate is the HubSpot detection?
Our HubSpot detection engine checks 4 unique fingerprint signals, achieving high confidence results. We score each match and return a confidence percentage so you know how certain the detection is.
About HubSpot
HubSpot is a leading marketing used by thousands of businesses and developers worldwide. Our detection engine can identify HubSpot-built websites with high confidence by analyzing multiple technical signals.
Whether you're a developer doing competitive research, a designer looking for inspiration, or just curious about how a website was built — AI Website Detector gives you instant, accurate detection.
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Detection Info
- Category
- Marketing
- Signals Used
- 4 patterns
- Accuracy
- High
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