Fastly Edge Cloud Platform vs. Imperva CDN

The service is really well-suited for pretty much any site that is primarily display-driven (that is, mostly GET requests). The network is able to handle massive volumes of traffic and their POPs have spread out pretty much anywhere that it's easy to get them (so basically everywhere but China and Russia). My team witnessed several large-scale attack attempts on some high-profile websites (attacks in the 10s of millions of requests per second) that were mitigated before ever coming back to the actual application; in one case we didn't realize the attack had happened until we looked at the logs the next day. Because it's a cache store option, the default configuration does not cache POST responses, and it can be difficult to set up things like authenticated paywalls as a result.

Incentivized

I recommend it as a WAF, but not as a CDN. There are better CDNs, in my case I use transparentCDN (now www.transparentedge.eu) and Edgecast (now Verizon CDN).

Incentivized

• Very performant and fast -- major companies have drastically reduced page load times with Fastly's edge technology.
• Support for many types of media, including video.
• Image add-on makes serving and manipulating images very simple.

Incentivized

• Reliability / Uptime
• Security

Incentivized

• WAF is hard to configure.
• No comprehensive rate limiting without a pricey upgrade.
• Account access controls are extremely limited.

Incentivized

• CDN functionalities are secondary and cannot be compared to a top-level CDN.
• The WebGUI interface of the dashboard is very improvable. They have been changing the UX for years and it is disjointed and with services that have not yet been migrated.
• The analysis of WAF attack logs is insufficient. It is difficult to analyze attacks of past hours, event filters are missing. It is complicated to analyze the chronology of an attack.
• There are extra modules to improve the attack logs analysis but they are expensive and add little.

Incentivized

It’s the fastest and most configurable.

Incentivized

Also TransparentCDN (now www.transparentedge.eu ) and Level 3

Incentivized

• Fastly dramatically reduces load times for clients all over the world thanks to their global system of POPs.
• Fastly is a cost-effective choice when a highly-performant CDN is required and makes it simple to support data that is quickly invalidated.

Incentivized

• It's an expensive product if you have a lot of traffic volume, but I feel confident with their WAF.

Incentivized