Making Instagram.com faster

Over the years Instagram (as a product) grew a lot. With more features to show, their web experience began to degrade. In a series of (upcoming) posts they’re covering what they have done to improve performance. In this first part they cover script preloading and image prefetching, reducing the loading time of the “feed page” by 50%.

Correctly prioritizing resource download and execution and reducing browser downtime during the page load is one of the main levers for improving web application performance. In our case, many of these types of optimizations proved to be more immediately impactful than code size reductions, which tended to be individually small and only began to add up after many incremental improvements.

Making Instagram.com faster →

Published by Bramus!

Bramus is a frontend web developer from Belgium, working as a Chrome Developer Relations Engineer at Google. From the moment he discovered view-source at the age of 14 (way back in 1997), he fell in love with the web and has been tinkering with it ever since (more …)

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