Free Online HTTP/2 Checker

NetTool

Free online http/2 checker - test if a website supports HTTP/2 protocol. No installation, no sign-up required. Works entirely in your browser.

Output

Loading...
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Fast Lookup

Millisecond results.

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Detailed Results

Raw data + explanations.

💰 Completely Free

No sign-up, no credit card, no hidden fees. Free to use forever.

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Privacy Focused

Not logged or shared.

How to Use HTTP/2 Checker

  1. Check status indicators
  2. Use troubleshooting tips
  3. Copy data or export report
  4. Click Lookup or press Enter

Frequently Asked Questions

❓ What is HTTP/2?

HTTP/2 is a major revision of HTTP that enables multiplexing (multiple requests over one connection), header compression, and server push.

❓ Does HTTP/2 require HTTPS?

Technically no, but all major browsers only support HTTP/2 over TLS/HTTPS. You need an SSL certificate.

❓ Is HTTP/3 better than HTTP/2?

HTTP/3 uses QUIC (UDP-based) instead of TCP, offering faster connections, better mobile performance, and improved loss recovery.

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