Pruebe el ancho de banda de su conexión a Internet en lugares por todo el mundo con esta prueba de velocidad interactiva. En cachéSimilaresTraducir esta páginaClick the Begin Test button to test the download and upload speeds of your internet. Recommended system requirements for Optimum Online Ultra tiers .

Internet speed test will estimate your ISP speed. Check your Internet connection speed. Choose the best server from the list for speed test.

Unsatisfactory test do not necessarily indicate a problem with your ATT service as factors outside of ATT’s control affect your speed.

Check your broadband speed using our easy and accurate broadband speed checker. Test your Internet connection for both download and upload speeds. Basic and Everyday Low Price Internet plans are not available for purchase online.

Test both download speed and upload speed of your Internet connection, whether it be Dialup, ADSL, ADSL ADSL2+, Cable, 3G, 4G, Wireless or Satellite. XFINITY Speed Test tests your Internet connection speed.