Incapsula is a content delivery network developed by Imperva, a successful data and application security company.
This is a premier CDN aimed at business and enterprise users, and priced accordingly. But don’t let that put you off. Incapsula also includes a simple free plan for personal sites, giving you access to a little of this enterprise technology for no cost at all.
The service works as a reverse proxy, which means you must change your domain DNS settings to route all website traffic through Incapsula. That won’t be right for everyone, but it makes setup relatively easy and ensures you don’t have to modify your site code.
Once it’s configured, Incapsula employs multiple methods to optimize your website performance. Content minification and on-the-fly image optimization reduces the size of source files. Static file compression crunches them down even more. Your content is then cached and served from Imperva’s 38 data centres spread around the globe.
Smaller measures fine-tune operations to give you even more speed. With other CDNs, for example, the first request for an expired resource will probably result in a request to the origin. Turn on Asynchronous Validation and …read more
Source:: techradar.com – PC and Mac
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