Bisup

Diagnostics

Speed test

A lightweight speed test shell ready for Vercel-safe static assets or a dedicated measurement endpoint.

This tool uses your current browser request and public visitor IP.

Run the tool to see structured results here

Speed Test: fast, safe and SEO-ready

Speed Test helps developers, website owners and security teams diagnose public internet signals quickly. The page is generated with clean metadata, FAQ schema, breadcrumb schema and internal links so it can rank for high-intent searches.

Bisup validates every lookup target, blocks internal addresses, avoids raw shell execution and keeps the runtime edge-friendly for fast global responses on Vercel and Cloudflare.

For higher accuracy at scale, connect the API layer to paid IP intelligence, DNS, SSL or abuse-detection providers while keeping this same user experience and caching strategy.

When to use this tool

  • Troubleshoot website, DNS, email and hosting issues.
  • Verify public network identity from a browser or mobile network.
  • Support incident response, deliverability checks and developer diagnostics.
  • Create SEO landing pages for free IP tools and network utilities.

FAQ

Common questions

Is the Speed Test free?

Yes. The Bisup Speed Test is free for normal diagnostic use and protected by rate limits to prevent abuse.

Can I use private or internal targets?

No. Private, loopback, link-local and localhost targets are blocked to prevent SSRF and accidental infrastructure exposure.

Related tools

What Is My IP

Instantly see your public IPv4 or IPv6 address, ISP, ASN, approximate location, browser headers and sharing options.

IPv4 Checker

Check whether your connection is using a public IPv4 address and inspect the related network details.

IPv6 Test

Test if your browser and network reach Bisup over IPv6 and compare the detected public address family.

IP Lookup

Look up public IP geolocation, ASN, reverse DNS and ownership signals without exposing server infrastructure.

WHOIS Lookup

Run a safe RDAP-based WHOIS lookup for public IP ownership, allocation and registry metadata.

DNS Lookup

Resolve A, AAAA, MX, TXT, NS, CNAME, CAA and SOA records through trusted DNS-over-HTTPS providers.