Internet Speed Test Sites

This page collects several dependable internet speed test sites that tend to work well on public Wi-Fi, corporate networks, and other restrictive environments. Using multiple tests can help identify routing quirks, CDN bias, or ISP throttling.

Lightweight & Ad-Minimal Tests

Fast.com – Simple, fast test powered by Netflix infrastructure.
Cloudflare Speed Test – Clean interface with latency, jitter, and packet-loss metrics.
SpeedOf.Me – HTML5-based test with no plugins required.
Speedcheck.org – Straightforward test with clear results and minimal clutter.

Independent & Diagnostic-Focused

TestMy.net – Independent testing with detailed statistics and history tracking.
Spectrum –Charter speed testing site"
LibreSpeed – Open-source speed test with community-hosted instances.
nPerf – Measures speed, latency, and real-world browsing/streaming performance.

ISP-Hosted (Useful for Comparison)

Xfinity Speed Test – Comcast-hosted, usable even without an Xfinity account.
AT&T Speed Test – AT&T-hosted test for cross-checking results.

Tip: Results vary depending on server location, CDN selection, and peering. Running 2–3 different tests often gives a more accurate picture than relying on a single site.