BuiltWith vs mailfloss
A factual comparison of features, pricing, and capabilities.
BuiltWith
BuiltWith is a web technology profiler and lead generation tool that reports which technologies websites use and builds lead lists of companies by technology, spend and lifecycle signals. Individual site lookups are free; paid plans add technology reports, keyword reports and CRM integration.
mailfloss
mailfloss is an email verification service that connects to your email marketing platform and cleans the list daily on autopilot, removing bad addresses, fixing typos and blocking bot and spam signups in real time. Subscriptions are sized by credits per month; prepaid credits cover one-time list uploads.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | BuiltWith | mailfloss |
|---|---|---|
| Technology lookups for individual sites | ||
| Lead lists by technology | ||
| Keyword reports | ||
| Retail reports | ||
| Trends and technology history | ||
| Predictive leads | ||
| Advanced lookup of historical technology use | ||
| Report prioritization by spend, technology use and location | ||
| Unlimited report download | ||
| Cleans your list daily | ||
| Removes addresses that decay over time | ||
| Custom keep and remove rules | ||
| Zapier integration | ||
| Real-time API | ||
| Webhooks | ||
| Automatically fixes typos | ||
| Prevents bounces in real-time | ||
| Auto-tags subscribers after verification | ||
| Single sign-on |
Native integrations.
BuiltWith
mailfloss
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.