DomainAge

by Andreas Reis · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Shows domain age estimation, SSL certificate dates, and HTTP header info for any website.

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#356K

#271K among extensions

Version

1.0.0

updated 7 Jun 2026

Users

monthly, 4 months

Latest, 15 Oct 2026: 2 usersMove the mouse over the chart for any month

Ratings count

monthly, 4 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About DomainAge

Shows domain age estimation, SSL certificate dates, and HTTP header info for any website. DomainAge is a focused, single-purpose Chrome extension built for people who don't want another subscription, another account, and another tracker in their browser. Everything it does happens on your device, in your browser session, visible to you. FEATURES: - Settings and results persist between sessions, stored locally - Works on the tab you're currently on — no broad, always-on tracking - No sign-up, no API key, no subscription - Runs entirely offline — nothing uploaded to external servers - No analytics, no trackers, no third-party SDKs HOW TO USE: 1. Install DomainAge from the Chrome Web Store (or Load unpacked from the ZIP) 2. Click the DomainAge icon in your toolbar 3. Use the feature 4. Copy or download the result if you want to keep it PRIVACY: DomainAge does not collect, transmit, or share any data. No analytics, no accounts, no remote servers. Your workflow stays in your browser. ABOUT: A project by lern-digital.de — free Chrome extensions, 3D generators, and tools that respect your privacy. Sister project: talura.app — AI voice agents for small businesses (Germany/EU).