Use case-driven examples for using Puppeteer and headless chrome
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README.md

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.

screen shot 2018-02-26 at 10 20 41 am

verify_sw_caching.js

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

screen shot 2018-03-01 at 5 09 32 pm

google_search_features.js

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

screen shot 2018-03-07 at 12 50 32 pm

lazyimages_without_scroll_events.js

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

screen shot 2018-10-09 at 12 15 10 pm

speech.js

Make your browser talk.

Speech demo in action

pacman.js

Play the Google Pac-Man Doodle.

ePlaying Puppeteer Pacman

element-to-pdf.js

Turn a DOM element into a PDF.

elemen-to-pdf output example

crawlsite.js

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

Crawl a site/SPA

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.

Side by side page load

License

Apache 2.0 © 2018 Google Inc.