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.

luis

This plugin can block “Tor access”, “Proxy Access”, “Commandline Access” and more. 
When it blocks unauthorized access, you can choose setting “Show message” or “Redirect”.
Googlebot,Twitterbot and other crawler can access own wordpress.
<ul>
<li>If you using cache plugin or cache system, this plugin doesn’t run properly. *</li>
</ul>
<h4>list of exception.</h4>
“google”,”msn”,”yahoo”,”bing”,”hatena”, 
“data-hotel”,”twttr.com”,”eset.com”,”linkedin.com”, 
“ahrefs.com”,”webmeup.com”,”grapeshot.co.uk”,”blogmura.com”, 
“apple.com”,”microad.jp”,”linode.com”,”shadowserver.org”,”ezweb.ne.jp”
You can add exceptions IP or UserAgent. 
See more “Secreenshot”.

block-wpscan

This plugin can block "Tor access", "Proxy Access", "Commandline Access" and more. When it blocks unauthorized access.

Google Image Proxy vs block-wpscan