Site Performance - WebOsu-2/webosu-2.github.io GitHub Wiki

This page is dedicated to measuring and documenting the performance and carbon footprint of WebOsu-2 using webpagetest.org

The purpose of this page is to compare the performance stats of as many WebOsu versions as possible in order to give us insights on what our performance priorities should be. This page also serves as historical documentation for the site's performance.

Settings

Option Value
Location Dulles, Virginia USA
Connectivity 5000/1000 Kbps, 28ms Latency
Test Run Count 3
Test Type Desktop

NOTES

  • A value with an asterisk (*) signifies a performance issue that should be fixed with minor priority.
  • A value with two asterisks (**) signifies a performance issue that should be fixed with major priority.

V0.5.0

This is the first version of WebOsu with documented performance.

Stats

Field Value Description
Time to First Byte .162s When did the content first start downloading?
Start Render .400s When did pixels first start to appear?
First Contentful Paint .449 How soon did text and images start to appear?
Speed Index 1.112s How soon did the page look usable?
Largest Contentful Paint 3.574s* When did the largest visible content finish loading?
Cumulative Layout Shifts .282** How much did the design shift while loading?
Total Blocking Time .182s Was the main thread blocked?
Page Weight 1,386KB How many bytes downloaded?
Carbon Footprint .21g How eco-friendly is it?

Notes on WebOsu v0.5.0

  • Layout shifts are too much and too often, we must lower the stat.
  • Image loading severely worsens the Largest Contentful Paint stat. Lazy-loading could be used to defer off-screen images from loading.