Background sync

• Implement background sync with fallback
• Build scripts using rollup instead of webpack

Web share target level 2

Implement Web Share Target api level 2

Bug fix release

• Fix file not found error
• Fix name shortening bug when it contains '00'
• Do not optimize images that match a pattern
• build service worker js using webpack

Automatic service worker reloading, tweaking images support, adding administrator service worker

• Load images using LQIP technique
• Add a service worker for administrator with no caching because admin requests were still cached by the website service worker
• Make lazyloaded images indexable using noscript tag
• force file name generation whenever the settings are changed
• Add new breakpoint 1920px for responsive images and css background images

Cache tweaking

• Customize max-age value for cached resources
• remove Expires header in favor of max-age
• Service worker cache expiration api
• Define cache expiration rule per file type
• Add missing files to the git repo

Web font preloading strategies, cdn, cors and more

• Web fonts preloading: Choose how the text is rendered while web fonts are loading by customizing font-display
• Enable CDN / cookieless domain support
• Enable CORS headers for cached resources
• The service worker is able to intercept CDN files as long as they are sent with CORS headers
• Access to the website through CDN / cookieless domain can be redirected to a custom domain
• Extend the list of file type supported by the cdn or cookieless domain
• Extend the list of file type supported by the url rewrite feature
• Choose how the text is rendered while web fonts are loading by customizing font-display
• Add a third option for service worker (disable, enable, force removal).
• Configure service worker route strategy per resource type from the Joomla administrator
• Implement the beforeinstallprompt event.

Progressive web application network strategies

Progressive web application

implementation of network strategies:

• Cache only
• Network only
• Cache first, falling back to network
• Network first, falling back to cache
• Cache, with network update
• Preloaded css web fonts

Async css load, disable service worker, link preconnect, responsive images

• remove '+' '=' and ',' from the hash generation alphabet
• Add responsive image support
• Disabling service worker will actually uninstall it
• Server Timing Header see here
• automatic preconnect < link > added, web fonts preload moved closer to < head > for faster font load
• Add < link > with < noscript > when async css loading is enabled. without javascript, stylesheet were not previously rendered

Standalone app, push notification, web app manifest, precached urls and few security stuffs

• Added push notifications using onesignal
• Added web app manifest support: The app can be installed as a standalone application (tested on google chrome/android / windows 10 / firefox android)
• Precached urls list. You can now provide a list of urls that will be precached when the service worker is installed.
• Added router api. Add routes to customize fetch event networking strategy by using either a static route or a regexp
• Rebuild service worker and the manifest whenever the plugin is installed or the settings are updated
• Override meta name=generator with custom text
• Add a secret token to prevent administrator access
• Insert scripts and css that have 'data-position="head"' attribute in head instead of the body

Progressive web application support added

First version to support progressive web application that added offline first support

• Offline resources storage (images, css, js, fonts, ...). Only resources requested via GET are stored.
• Offline webpages storage with a customizable timeout