SpeedCheck – Internet Speed Test wot Fabian Zhlsdorf

Test your internet speed instantly from the toolbar – download, upload & ping in seconds. Lightweight, private, no account needed. Results stay on your device.

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SpeedCheck – Internet Speed Test lets you measure your internet speed directly from the Firefox toolbar – no new tab required.

Features:

One-click speed test: download, upload & ping
Clean, animated gauge UI with real-time results
Connection rating (Excellent / Good / Slow)
Test history (last 5 results stored locally)
Dark & light theme with auto-detection
100% private – no data leaves your browser
Powered by Cloudflare's global network for accurate, reliable measurements.

Visit speed-check.net for detailed analysis, jitter tests, and more.

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Dalše informacije

Přidatkowe wotkazy: Startowa strona
Sydło pomocy
E-mejlowa adresa pomocy
Wersija: 1.0.0
Wulkosć: 29,92 KB
Posledni raz zaktualizowany: před 17 dny (9. dub 2026)
Přiwuzne kategorije: Webwuwiwanje
Pytanske nastroje
Pokazy a aktualizacije
Licenca: Wšě prawa wuměnjene
Prawidła priwatnosće: Čitajće prawidła priwatnosće za tutón přidatk
Wersijowa historija: Wšě wersije pokazać
Znački: ad blocker
anti tracker
dark mode
download
facebook
google
privacy
reddit
search
security
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