Discover and read the best of Twitter Threads about #webperf

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Let's have a quick (long?) chat about web performance.

I have the unique situation of seeing data from billions of performance profiles as we help customers with @raygunio's Real User Monitoring look to improve user experience. #webdev #PerformanceMatters #webperf
1. Many folks still think a synthetic test is a Good Thing. That is, pinging a website from a fixed set of servers. It's better than naught, but it's a pretty poor proxy for real customer experience.

You're measuring data center to data center performance (even if nerfing perf)
2. Even with nerfing perf, you're talking high quality interconnects between DCs. This compares poorly, to say, what an actual user experiences on a 3G phone while roaming around somewhere.

You're not getting realistic numbers.
Read 19 tweets
"I've sat up on stages like this and proclaimed that H/2 was going to solve everything, and i'm sorry for that... but resource loading in the browser is a very very hard thing." - @patrickhamann #britishAccent
#webperf #perfmatters
@FluentConf
"🌟 performance of the loading of your webpages are tightly coupled to latency.
🌟 connection costs are high
🌟 Bandwidth is oft under-utilized
🌟 Script exec is 💰💰💰
🌟 critical resources can be hidden"

- @patrickhamann #britishAccent
#webperf #perfmatters
@FluentConf
"what are critical resources??

✅ Critical CSS for current route
✅ Fonts
✅ hero image
✅ initial application route
✅ application bootstrap data"

- @patrickhamann
#webperf #perfmatters
@FluentConf
Read 7 tweets

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