Local CDN (WebExtension) от James Fray

Local CDN extension is a fork for Decentraleyes project by @Synzvato. It brings local redirection for well-known libraries. After the extension is installed, when a known library is requested by a webpage, the extension redirects this request to a local equivalent and updates the badge number. Hovering over the toolbar displays the name of libraries that have been redirected for the current page. Note that since this resource is fetched locally, you should also experience faster page loading.
To see the list of supported libraries, please visit the FAQs page.
For FAQs please visit:
http://add0n.com/local-cdn.html
For bug reports please visit:
https://github.com/james-fray/local-cdn