GoogleChromeLabs / Perftools Runner

Google Performance Tools Runner

Web frontend which allows users to simultaneously run several of Google's performance tools (Lighthouse, PageSpeed Insights, Webpage Test) against a URL, all at once. Puppeteer is used to take screenshots of the results from each tool and create an aggregated PDF of all results.

Explainer

Start the server with npm start.

The frontend (http://localhost:8080) UI displays a list of tools for the user to select.

When "Enter" is hit, this fires off a request o the /run handler. That handler takes a url and tools param. The latter is a "," separated list of tools to run. One of LH, PSI, WPT.

The response is a JSON array of the tools that were run (e.g. ["LH", "PSI"]).

Note: every run of the tool logs the URL that was audited and tools to that were run to runs.txt.

Examples

Run Lighthouse and PSI against https://example.com:

http://localhost:8080/run?url=https://example.com/&tools=LH,PSI

Run Lighthouse against https://example.com using full chrome:

http://localhost:8080/run?url=https://example.com/&tools=LH&headless=false

Installation & Setup

Check the repo and run npm i. You'll need Node 8+ support for ES modules to work.

Development

Start the server in the project root:

npm start

Lint:

npm run lint

For development, both serviceAccount.json and bitlyAccount.json are required.

• Follow instructions from https://cloud.google.com/compute/docs/access/create-enable-service-accounts-for-instances#createanewserviceaccount to get serviceAccount.json.
• Create an Bitly account from https://dev.bitly.com/my_apps.html and get access token for bitlyAccount.json.