muzuiget

If you can not directly access image links or the loading is slowly, this script will rewrite the image 
links to googleusercontent.com proxy address. With Google server you can display image normally and load 
faster.

Google Image Proxy

Rewrite the image address to googleusercontent.com proxy address.

John Levandowski

Purges the nginx proxy cache when you publish or update a post or page. The cache will be purged for the:
<ul>
<li>Page or post you published or updated</li>
<li>Front page of your site</li>
<li>Posts page of your site (if enabled)</li>
<li>Feed of your site</li>
<li>Comments feed of your site</li>
</ul>

Nginx Proxy Cache Purge

Purges the nginx proxy cache when you publish or update a post or page.

Google Image Proxy vs Nginx Proxy Cache Purge