Website History & Longevity Guides
Research, data, and methodologies for investigating when websites launched, detecting redesigns, and separating domain registration from real website age.
Domain Age vs. Website Age: Why WHOIS Lies About Launch Dates
A domain registered in 1995 doesn't mean the website launched then. Discover the 'Domain Parking Gap', real-world case studies (Stripe, Tesla, Slack), and how to verify real launch dates.
Read guide →Wayback Machine Alternatives: How to Check Website History Faster
The Internet Archive holds 800+ billion pages, but digging through calendars is tedious. Compare automated tools that extract launch dates, framework history, and redesign timelines in seconds.
Read guide →How to Tell When a Website Was Redesigned (and What Changed)
Detect visual overhauls, DOM structure variance, and CMS migrations (like WordPress to Next.js) across a website's historical timeline.
Read guide →Want to investigate a specific domain?
BuiltWhen analyzes historical archives, sitemaps, and live code to give you a verified launch estimate with public evidence.