The speed geek’s favorite time of the year
Web applications and API endpoints are known to perform backend calls. Often that is all application does: fetches data from a couple of backends, combines it, and produces response. Monitoring how much time fetching data took is essential. There are plenty production-ready buy-and-snap-on solutions that provide such monitoring, but they might be not good fit […]
A large-scale study of people’s perception of Wikipedia’s page load times
Chrome’s team quest for measuring abandonment, including a measurement API.


You made a site faster but revenue didn’t improve. Was everything those #webperf people told you a lie?
Head-of-Line Blocking in QUIC and HTTP/3: The Details As you may have heard, after 4 years of work, the new HTTP/3 and QUIC protocols are finally approaching official standardization. Preview versions are now available for testing in servers and browsers alike. HTTP/3 is promising major performance improvements compared to HTTP/2, mainly because it changes its […]
Swap? Fallback? Optional? Which font-display setting should you pick? Let Matt walk you through the considerations.
Web performance can mean a lot of different things to a lot of different people. Fundamentally, it’s a question of how fast a web page is. But fast to whom? When this page loaded moments ago, was it fast? If so, congratulations, you had a fast experience. So ask yourself, does that make this a […]

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