BuiltWith is a website technology profiler and lead generation platform that lets sales, marketing, and competitive intelligence teams discover the technologies powering any website on the internet. The platform tracks more than 87,000 web technologies across 670 million sites, and provides detailed lookup, lead lists, alerts, and trend reports. According to BuiltWith reviews on G2 and Capterra, users highlight how quickly they can build prospect lists by tech stack, identify decision makers using a competing product, and monitor when a target website adopts or drops a tool. BuiltWith is built for B2B teams, agencies, and developers who want a reliable view of the web technology landscape.
Look up any website’s full technology stack — frameworks, hosts, analytics, ads and ecommerce — in seconds.
See the historical timeline of every technology a site has used and when it was added or removed.
Filter prospects by the exact technologies they use to build hyper-targeted lead lists.
Track adoption trends across CMS, ecommerce, analytics and ad-tech categories with live charts.
Save custom searches, set alerts, and combine filters across regions, traffic levels and tech.
Export filtered lead lists with contact and company data to CSV or Excel for outbound and ABM.
Browse trend dashboards by industry to see what tools competitors and prospects are adopting.
Sync prospects directly to Salesforce or HubSpot with native and Zapier-based integrations.
BuiltWith packages a complete technographic intelligence suite into one workspace. You get the BuiltWith Profile lookup, the Lead Lists tool with technology and keyword filters, BuiltWith Trends for adoption charts, the Sales Intelligence add-on with company spend estimates, an API for integrations, weekly alerts, and Chrome extension support. According to BuiltWith reviews on G2 and Capterra, sales teams most often call out the precision of the technology detection and the value of being able to filter prospects by technology, location, and verticals.
If you prefer to learn by watching, BuiltWith has a focused library of tutorials on YouTube from both the official BuiltWith channel and independent reviewers. These walkthroughs cover how to search technology profiles, filter prospects by tech stack, export targeted lead lists, and build market-share reports. IdealOnlineBusiness.com recommends watching at least two of the beginner tutorials below before paying for a plan, so you can see the lookup speed, filter depth, and export quality for yourself before committing.
BuiltWith offers tech profiling, prospecting, and competitive intelligence services. The platform identifies more than 90,000 web technologies on any site, builds historical timelines, and lets you export filtered prospect lists by tech stack. Whether you’re a SaaS sales team building outbound, a marketer doing competitor research, or an agency doing tech audits, BuiltWith scales from quick lookups to full enterprise data feeds. According to BuiltWith reviews on G2, sales and marketing teams most often call out the breadth of detection and the speed of building lead lists.
What do real users say about BuiltWith? IdealOnlineBusiness.com pulled together BuiltWith reviews from G2, Capterra, and SaaS comparison sites to provide a balanced view. The reviews below highlight the breadth of detected technologies, the depth of historical timelines, and the common complaints around price for casual users and learning curve. Together they should help you decide if BuiltWith is the right tech-profiling tool for your sales or research workflow.
BuiltWith is the cleanest source of tech-stack data we’ve found. We pull lists by tech used (Shopify, HubSpot, Pardot) and sync straight to HubSpot — outbound replies are noticeably higher than generic lists.
While BuiltWith leads on technology profiling depth in 2026, alternatives may suit specific use cases better. Wappalyzer is a popular freemium alternative for tech detection and lead lists. Datanyze offers technographics combined with B2B contact data. SimilarTech and SimilarWeb are strong for traffic and tech analytics combined. HG Insights is the enterprise leader for IT spend intelligence. ZoomInfo and Apollo include lighter technographic data alongside contact databases.
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Below are the most common questions about BuiltWith pricing, technology coverage, lead-list exports, CRM integrations and historical timelines.
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