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sitespeedio

9 indexed repositories · View on GitHub

sitespeed.io
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’...

JavaScript · 5028 stars
browsertime
Measure and Optimize Web Performance

JavaScript · 652 stars
throttle
Throttle your network connection [Linux/Mac OS X]

JavaScript · 386 stars
dashboard.sitespeed.io
Example how to use sitespeed.io to monitor the performance of your web site

JavaScript · 49 stars
onlinetest
Deploy your own version of sitespeed.io online.

JavaScript · 38 stars
docker-browsers

Dockerfile · 9 stars
chromedriver
Install and launch Chromedriver for Mac, Linux or Windows.

JavaScript · 5 stars
geckodriver
Install and launch Geckodriver for Mac, Linux or Windows.

JavaScript · 3 stars
edgedriver

JavaScript · 0 stars

Beginner friendly Everything

Open All

Add CrUX Ads Metrics Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

sitespeedio/sitespeed.io#4895 · 2 comments · Opened Sep 16, 2026
Soft navigations: Total Blocking Time is document-cumulative, not per route Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

sitespeedio/sitespeed.io#4892 · Opened Sep 9, 2026
Allow default GUI values to be overridden from the testrunner configuration Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

sitespeedio/onlinetest#271 · Opened Jul 27, 2026
LastVisualChange reports late values caused by invisible browser re-rasterization noise Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

sitespeedio/browsertime#2529 · Opened Jul 19, 2026
32 Critical CVEs in 41.3.3-plus1 sitespeedio Docker image - detected in the AWS ECR scans Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4796 · 1 comment · Opened Jun 26, 2026
sitespeedio.plugin.compare crash Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sitespeedio/sitespeed.io#4712 · 1 comment · Opened May 9, 2026
Sitespeed test not generating a proper report Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

sitespeedio/sitespeed.io#4612 · 2 comments · Opened Apr 7, 2026
Adding override configurations for Mobile and Desktop seperately Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

sitespeedio/onlinetest#219 · Opened Mar 18, 2026
Native support for external ad/tracker blocklists (URLs/Files) to measure third-party impact Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

sitespeedio/browsertime#2364 · Opened Mar 10, 2026
minio is no longer free and needs to be replaced Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

sitespeedio/onlinetest#215 · 1 comment · Opened Mar 7, 2026
Adding support for sending results to OpenSearch Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4593 · Opened Feb 26, 2026
npm-shrinkwrap.json causing issues with internal npm registry Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

sitespeedio/sitespeed.io#4592 · Opened Feb 25, 2026
resultURL generates a YYYY-mm-dd-xx-xx-xx folder, how to access that in grafana ? Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sitespeedio/sitespeed.io#4591 · 1 comment · Opened Feb 18, 2026
How to add P75 and P85 along with the P90 measurements ? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

sitespeedio/sitespeed.io#4586 · 3 comments · Opened Jan 20, 2026
Cache not disabled on Chrome browser when passing disable arguments Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

sitespeedio/sitespeed.io#4580 · 2 comments · Opened Jan 13, 2026
Docker does not start Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/onlinetest#198 · 10 comments · Opened Jan 8, 2026
Understanding power measurement better Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4569 · 11 comments · Opened Nov 18, 2025
Fix url.parse() DeprecationWarning for NodeJS 24 Open

sitespeedio/browsertime#2336 · 1 assignee · Opened Nov 10, 2025
temp files are not cleanuped Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4567 · 2 comments · Opened Nov 5, 2025
Save baseline automatically if no baseline already exists Open

sitespeedio/sitespeed.io#4561 · 1 assignee · Opened Oct 23, 2025
Graphite data not visible after running Sitespeed.io with Graphite configuration Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

sitespeedio/sitespeed.io#4560 · 1 comment · Opened Oct 20, 2025
Cumulative Layout Shift metric not shown on summary or detailed page when value is 0 Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

sitespeedio/sitespeed.io#4547 · Opened Sep 3, 2025
Issue with coach core when using alongside sitespeed Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sitespeedio/sitespeed.io#4546 · 3 comments · Opened Sep 1, 2025
Support `packetLoss` on `--localhost`? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sitespeedio/throttle#98 · Opened Aug 6, 2025
Missing resultBaseURL setup for sitespeeed.io or no result file JSON created Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sitespeedio/onlinetest#157 · 7 comments · Opened Jul 23, 2025
Firefox PerfStats feature mask needs to be updated to support 64bit mask Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 48/100

sitespeedio/browsertime#2313 · 9 comments · Opened Jul 17, 2025
I need a piece of advice on PerformanceResourceTiming Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

sitespeedio/sitespeed.io#4527 · 2 comments · Opened Jun 21, 2025
Add an option for dropping some headers from browser messages, from the har logs Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4526 · 1 comment · Opened Jun 4, 2025
Are there Grafana dashboards compatible with InfluxDB 2.x? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sitespeedio/dashboard.sitespeed.io#44 · Opened May 20, 2025
sitespeedio reporting LCP element incorrectly in the docker version Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

sitespeedio/sitespeed.io#4517 · 9 comments · Opened May 16, 2025
Feature Request: Support for passing URL files when using the API Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/onlinetest#153 · 2 comments · Opened May 14, 2025
Tab Loads Instead of a Page Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4504 · 5 comments · Opened Apr 24, 2025
Specify multiple plugin names separated by comma doesn't work Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

sitespeedio/sitespeed.io#4486 · 1 comment · Opened Mar 19, 2025
How do I have Axe.core run only on the first iteration of s SiteSpeed test? Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sitespeedio/sitespeed.io#4481 · 1 comment · Opened Mar 14, 2025
Change JSON-API datasource plugin to Infinity datasource Open

feature request

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

sitespeedio/sitespeed.io#4476 · 1 reaction · Opened Mar 11, 2025
Chrome 135 edge to edge on Android Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sitespeedio/browsertime#2265 · Opened Mar 4, 2025
Pass multiple visualElements Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

sitespeedio/sitespeed.io#4458 · 1 comment · Opened Mar 3, 2025
VisualMetrics not capturing metrics for all transactions. Reporting 0ms for few transactions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4443 · 3 comments · Opened Feb 21, 2025
lighthouse + npm + inside docker using shell file provided for npm installs Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sitespeedio/sitespeed.io#4442 · 7 comments · Opened Feb 20, 2025
Firefox CPU measurement to pageSummaryMetrics Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4434 · 2 comments · Opened Feb 11, 2025
Sitespeed not working with Shadow root elements capturing Open

awaiting response

Difficulty 4/5 3-5 days Newbie friendliness 20/100

sitespeedio/sitespeed.io#4421 · 5 comments · Opened Jan 29, 2025
Lighthouse plugin make the process exit on latest build Open

awaiting response bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/sitespeed.io#4403 · 4 comments · Opened Jan 14, 2025
VisualMetrics failed to run ExecaError Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sitespeedio/sitespeed.io#4400 · 5 comments · Opened Jan 10, 2025
Install sitespeed.io using Node.JS Open

awaiting response

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sitespeedio/sitespeed.io#4399 · 12 comments · Opened Jan 10, 2025
Create better error messages for broken scripts Open

sitespeedio/browsertime#2248 · 1 assignee · Opened Jan 9, 2025
my repeated test dosen't show in grafan Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

sitespeedio/sitespeed.io#4348 · 12 comments · Opened Dec 22, 2024
[Feature] Add a flag opposite to userTimingWhitelist to specify what to block. Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

sitespeedio/sitespeed.io#4344 · 3 comments · Opened Dec 20, 2024
investigate: Check that drop-downs work correctly Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sitespeedio/onlinetest#109 · 1 comment · Opened Dec 18, 2024
Visual metrics pick up too early First Visual change sometimes on Samsung A51 Open

android Visual Metrics

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sitespeedio/browsertime#2224 · 8 comments · Opened Dec 18, 2024
Disable gnirehtet when running WebPageReplay for Android Open

testrunner

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

sitespeedio/onlinetest#106 · Opened Dec 17, 2024

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