Hosting
Server Header Checker
Reveal the server software a site runs.
Calculated in your browser. Free, nothing is uploaded.
About this tool
Free server header checker tool. Reveal the server software a site runs. No signup, nothing uploaded.
Frequently asked questions
Are the numbers accurate?
They are standard industry estimates; your provider's list price may differ.
Do you need my server details?
No. Enter the numbers you want to model.
Is anything sent to a server?
No. All maths is local.
Need more than a tool?
HostingSwift runs the servers too — VPS, web hosting, email, DNS and streaming, with a free tier to start.