StackPulse detects HubSpot on 5,011 websites — 3.22% of the 155,434 domains in the index — making it the #1 marketing automation technology we track. Updated October 27, 2026.
StackPulse currently detects HubSpot on 5,011 websites, which is 3.22% of the 155,434 domains in the index. The count is refreshed as the crawler re-scans the web.
How do I check whether a website uses HubSpot?
Open the free StackPulse lookup, enter the domain and the marketing automation section will list HubSpot if its scripts, headers or markup are present. Developers can call GET /v1/lookup/:domain.
Can I download a list of websites that use HubSpot?
Yes. Lead Export filters the index by HubSpot (optionally combined with other technologies) and streams the matching domains as CSV, up to 50,000 rows per file.
What is HubSpot?
HubSpot is a marketing automation technology. It ranks #1 of 5 marketing automation technologies by number of websites in the StackPulse index.
Look up any domain by API
One call returns the ecommerce platform, payment gateways, marketing pixels and infrastructure. Results are cached for a week.