Frequently Asked Question

CDN Firewall Feature - Images, Javascript and CSS Files
Last Updated 2 years ago

SharkGate is pretty clever in that as your HTML passes through, it is looks for URLs of static content (images, CSS, Javascript,etc) and it automatically replaces those with the CDN URLs. It also ensures those static resources are distributed globally to fast static servers closer to the clients, wherever they are Worldwide. It is pretty damn good at that but it also has to ensure it does not break a website when doing that. So for URLs that it can be certain can be replaced with CDN URLs, it performs this change.

On some websites and some plug-ins on websites, a fraction of the static resources are not coded directly in the page but loaded by some fancy JavaScript. This is often the case with image sliders. So the images are not obvious in the page but loaded dynamically by JavaScript once the page is loaded.

SharkGate cannot be certain that changing the URLs in that JavaScript will not break your page. So it has to err on the side of caution and leave those ones are is. Sorry for such a complicated explanation but in summary the SharkGate CDN works for about 80% of a site on average (for a lot of sites nearer 95%) but there are some static files on a site it cannot be fully sure about so it leaves them as is.

Note: This is our turbo boost for your site's performance in action. As your traffic is protected by SharkGate we also give it a speed up by optimizing your images (if they need it) and caching them on super-fast servers closer to your visitors. You can always turn this feature off by going to the Dashboard in the SharkSpeed tab on your dashboard and selecting "Off" on the SharkCDN.


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