Useful Puppeteer demos!

Examples for using Puppeteer to do big, bold things.

Output from some of the examples:

code_coverage.js

Test lazy loading strategy by seeing CSS/JS code coverage usage across page load.

verifysw_caching.js

Verify all the resources you expect are being cached by a service worker for offline.

googlesearch_features.js

Gut check your page to make sure it renders correctly for Google Search.

lazyimageswithoutscroll_events.js

Determine if your lazy loaded images will be seen correctly by Google Search.

speech.js

Make your browser talk.

pacman.js

Play the Google Pac-Man Doodle.

element-to-pdf.js

Turn a DOM element into a PDF.

crawlsite.js

Discover all the URLs on a site and visualize the subpages.

side-by-side-pageload.js

Load 2 or more pages side-by-side to visually see the difference in page load. Optional desktop viewport and throttling settings.

License

Apache 2.0 © 2018 Google Inc.