If getting online while you're on the road is important to you, slow Wi-Fi at hotels can be a pain.

A browser extension launched Monday wants to help travelers avoid the hassle of bad Internet connections by adding information about hotel Wi-Fi speeds and quality, on top of what is already available on popular booking sites.

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In July, Hotel Wi-Fi Test announced its rankings of hotels according to Wi-Fi speed and quality. Now, it's integrated that information into popular booking and travel sites through an extension that works on Chrome and Firefox browsers, showing Wi-Fi information on Hotels.com, Expedia.com, Booking.com and TripAdvisor.

"The Wi-Fi information block respects the style of each site, so it feels like a native element on the page," Hotel Wi-Fi Test said in a release.

The browser extension displays the Wi-Fi-speed information on Hotels.com. Image: Hotel WiFi Test

"The browser extension also provides a quick way to compare the Wi-Fi speed of tested hotels within a particular city," the company added. "With almost 200 hotels tested in New York alone, this is a powerful tool for travelers who value fast and reliable Wi-Fi."

According to a survey by Hotels.com, Internet is the most important in-room amenity for travelers.