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Having connection problems? Start here.

Favorite website down? Animated gifs loading slowly? You're in the right place. This site is more than just an Internet connection tester - it's also a comprehensive walkthrough for troubleshooting your Internet connection. Test your connection as you make changes (click the banner!) without having to refresh the page. You can check the uptime and performance of a particular website using these tools:

Any visible HTTP status codes such as 301 or 404 generally indicate that a website is online, but temporarily inaccessible (try a different URL?). Should your browser fail to connect altogether, consider clearing your DNS cache, which is responsible for mapping domain names (e.g. "ismyinternetworking.com") to IP addresses.

Windows users: Open a command prompt window, and run the command " ipconfig /flushdns ".

users: Open a command prompt window, and run the command " ". macOS/OSX 10.10+ users: In a terminal window, use " sudo killall -HUP mDNSResponder ". On older versions of OSX, try " sudo discoveryutil mdnsflushcache " or " sudo dscacheutil -flushcache ". These commands will require elevated (administrator) permissions.

users: In a terminal window, use " ". On older versions of OSX, try " " or " ". These commands will require elevated (administrator) permissions. Linux users: your DNS is likely managed by nscd daemon. In a terminal window, try the commands "/etc/rc.d/nscd restart" or "/etc/init.d/nscd restart".

DNS is usually provided by your Internet Service Provider (ISP), but you can try a different DNS provider by (temporarily) switching to OpenDNS. If that URL doesn't work (which is an IP address and should not require a DNS lookup), then it's unlikely a DNS issue.

What can I do to make my connection faster?

Your Internet connection's maximum bandwidth is ultimately dictated by your ISP, but if you're not reaching that limit, there are a number of strategies you can employ to make your connection faster. Wireless signals can be improved by simply physically relocating closer to the access point. Better hardware can also improve signal and connection strength: an 802.11 AC Wifi Router or range extender, when paired with an 802.11 AC Wifi Adapter, can offer significant improvements in range and bandwidth over older generations of Wifi. For immediate improvements,

Pause or stop any active downloads or applications that could be hogging bandwidth.

Make sure the hotspot you are connecting to is secured - refer to your router's manual on how to set up a password (using WPA2 encryption, not WEP, which is unsafe). Unsecured networks can be accessed by just about anybody, clogging up available bandwidth.

encryption, not WEP, which is unsafe). Unsecured networks can be accessed by just about anybody, clogging up available bandwidth. Restart your Wifi adapter by turning it on and off, or unplugging it and plugging it back in.

Restart your router manually by unplugging it and plugging it back in after 30 seconds. Sometimes routers just need a fresh reboot to get things going again.

If none of the above options work for you, or if you're using a wired connection, try the following:

Unplug and plug back in your WiFi adapter (if external) or Ethernet cable.

Update your Wifi card or Ethernet port drivers. These should be available on your computer's manufacturer's website (e.g. ASUS Support, Netgear Download Center, TP-Link Download Center).

Check to see if you have not exceeded your data usage cap, if you have one. Some ISPs will still allow you to access the internet after exceeding data usage limits, with a severe speed penalty.

Purchase more bandwidth from your ISP, at an increased cost.

You can test your Internet speed via Speedtest.net, Speakeasy's Speed Test, or SpeedOf.Me's Mobile Speed Test.

What if nothing loads at all?

Any one of the components that bridge your computer to the internet could be broken, so you'll may have to diagnose each one individually. If your hardware configuration hasn't changed recently, it could very well be a software issue. Listed below are some potential fixes for temporary software problems that can get you back on track.

Try a different web browser, preferably one without addons/extensions installed.

Windows only: Right-click on the connection icon in the taskbar tray and select "Troubleshoot Problems" to see if Windows can solve the issue for you.

Restart your computer. No, really! On both wireless and wired connections, this will force your router to re-assign dynamic IP address to your computer.

Connect to a different wireless hotspot, such as one created by your smartphone through tethering. Failure to connect to any other hotspot indicates an issue with the adapter.

If none of the previous fixes work, it's time to start investigating hardware problems. The actions below go over the hardware components that could be preventing you from connecting to the Internet.

Examine the lights on your router or modem. Green = good, red = bad, and flashing indicates activity. The manual for your router or modem will have more information regarding what status the lights indicate.

Check to see if the cables, including power, that link your router, modem, and the wall are secure. Unplug and re-plug them.

Restart your router or modem manually by unplugging it from power and plugging it back in after 30 seconds. Sometimes routers just need a fresh reboot to get things going again.

How do I determine if my router is working?

Manufacturer/Source IP Address Username/Password Alt. Username/Password 2Wire Gateway (AT&T U-Verse) 192.168.1.254 Located on router (blank) (blank) Arris (Comcast Xfinity) 192.168.0.1 admin password admin 1234 Arris (Comcast Xfinity) alt. 10.0.0.1 comcast (blank) (blank) (blank) ASUS 192.168.1.1 admin admin root root Belkin 192.168.2.1 (blank) (blank) admin admin D-Link 192.168.0.1 admin admin OR (blank) user (blank) Linksys 192.168.1.1 admin admin (blank) admin NETGEAR 192.168.0.1 admin admin OR password Refer to manual Pace (AT&T U-Verse) 192.168.1.254 Located on router admin admin Securifi 10.10.10.254 PIN: 1234 admin admin TP-Link 192.168.1.1 admin admin root admin TRENDnet 192.168.1.1 admin admin OR password (blank) (blank)

Try to access your router's control panel via your browser (192.168.*.*) on a wired connection. In the table above, you can find control panel IP addresses for common router manufacturers under the "IP Address" column. Alternatively, you can find it in your router's manual. Type the IP address into the address bar of your browser, press enter, and the control panel page should appear. If the IP address of your router is not listed above or doesn't work, try the following:

Windows users: Open a command prompt window, and run the command " ipconfig ". Look for the "Default Gateway" line.

users: Open a command prompt window, and run the command " ". Look for the "Default Gateway" line. Linux/macOS users: In a terminal window, run "route -n". Look for an IP address under the "Gateway" column.

When prompted for a username and password, try a combination of (blank), "root", and "admin". Default usernames and passwords for common router manufacturers can be found in the above reference table. The alternative username/password combination is used less often.

If the control panel says something similar to "Searching for Server" or "First-time Setup", then your ISP is having issues. Consider giving them a call to see if they are aware of connectivity problems on their end. A support number can be located on your latest internet bill. Otherwise, if the control panel page never loads (with no login prompt), and you're absolutely certain about the address, consider trying another router. This is rather time consuming, but can determine if your router is at fault or your ISP is at fault.

Online, or at your local electronics store, you can find fully capable routers ranging anywhere from cheap to expensive. If a brand new router fails to connect as well, the issue is likely due to your ISP and your router(s) are perfectly fine. If the new one connects, your old router is having problems, you can stick with your newly purchased one (or return it for a higher-end router).

Alternatively, as a last resort, you can try to fix your existing router one with a hard reset that restores it to factory settings. Warning: This operation is irrevocable and your old router settings will be permanently deleted, so we recommend one more series of reboots before attempting a reset. Begin by locating the reset button on your router, which may be underneath or in the back, and will likely require a paperclip to push in. You have two options (taken from the DD-WRT Wiki), have a stopwatch ready:

"30 Reset" - Press and hold the reset button for 30 seconds while the router is fully booted and on.

"30/30/30 Reset" - Press and hold the reset button for 30 seconds while the router is fully booted and on. Then, unplug the router while still holding down the reset button for 30 seconds. With the reset button still being held, plug the router back in for 30 seconds.

Performing a hard reset will require you to set up your router again. Refer to your router's manual for details.

I've tried everything above and I still don't have a stable connection!

No amount of restarting and updating can make up for a poor quality connection provided by your ISP. Temporary setbacks are usually resolved within a day or two, but if you continue to experience regular disconnects, consider switching to a different ISP. Consumer Reports offers a scored ranking of ISPs based on several critera. DSLReports offers consumer ISP reviews that can be narrowed down to your region.