Alternatives to ByteCheck

A free online checker that measures a website's Time To First Byte. The listings below can replace it for an important use case. Each note says what changes if you switch.

The original

  • ByteCheck

    A free online checker that measures a website's Time To First Byte.

    FreeProprietaryWeb

Replacements

Listings that take over the same core job as ByteCheck.

  • KeyCDN Performance Test

    A free web tool that measures DNS, connection, TLS and TTFB times for one URL from 10 locations.

    FreeProprietaryWeb

    KeyCDN Performance Test measures TTFB plus DNS, connection and TLS times from 10 global locations in one run, and promotes KeyCDN's CDN.

  • WebPageTest

    An online website performance tester with waterfall charts, filmstrips, multiple locations and throttled connections.

    FreemiumProprietaryWeb

    WebPageTest measures full page loads with waterfalls, filmstrips and throttled connections from multiple locations, with some features on paid plans.

  • KeyCDN Website Speed Test

    A free full-page speed test with a waterfall breakdown, run from one of 10 global locations.

    FreeProprietaryWeb

    KeyCDN Website Speed Test measures a full page with a per-asset waterfall from a chosen location, rather than only server response.

  • GTmetrix

    An online page speed tester with waterfall charts, Core Web Vitals, scheduled monitoring and alerts.

    FreemiumProprietaryWeb

    GTmetrix gives full page reports with waterfalls and Core Web Vitals from 25 regions, with many options requiring an account or paid plan.

  • Pingdom Tools

    A free online website speed test that reports load time, page size and request count.

    FreeProprietaryWeb

    Pingdom Tools reports full page load time, size and request count from multiple regions, rather than only time to first byte.

Similar software

Related functionality, not a direct replacement.