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How Facebook made mobile site faster for users with limited bandwidth

Joab Jackson | Aug. 7, 2015
By resorting to unconventional engineering, Facebook saves users in developing countries precious bandwidth while still offering them a close-to-optimal Facebook experience.

Finally, a couple of crafty, non-standard compression schemes also helped cut the images to the required size.

The techniques they deployed worked well not only for users with limited bandwidth, but also for all wireless users.

During time of network congestion, a frosted image will often pop up for a few seconds before the full image can be displayed, leading to a more seamless Facebook experience, Greenia said.

Another advantage the work offered was that it could save a bit of money for those on metered data plans, which is often the case for people on 2G networks in developing markets.

"Often people are making trade-offs between using their data plan and using their money for other things," Greenia said. "I feel proud when I can save someone money."

 

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