Web browsing & internet speeds

Find answers to questions about AT&T Internet plans and speed.

Many factors affect the internet service you purchased from AT&T. Learn how these factors affect your internet speed.

Get the most out of your Wi-Fi home network by trying a few tips.

Get the most out of your home network. Learn how to test and verify devices connected to your Wi-Fi gateway are properly setup to connect at 802.11n speeds.

If your computer is running slower than normal, we can help. Try our tools and tips for cleaning things up.

Want smoother internet browsing? Find out how to clear your cookies, cache, and history.

Have one of our services? Use these supported operating systems and browsers to get the best results.

IPv6 is the future of Internet Protocol (IP) addresses. Learn more about it and if your equipment and operating systems are compatible.

Learn how to set your operating system for IPv6.