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Fastly vs Imperva DDoS comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 5, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Cloudflare
Sponsored
Ranking in CDN
1st
Ranking in Distributed Denial-of-Service (DDoS) Protection
1st
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
76
Ranking in other categories
Managed DNS (1st), Cloud Security Posture Management (CSPM) (13th)
Fastly
Ranking in CDN
7th
Ranking in Distributed Denial-of-Service (DDoS) Protection
12th
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
7
Ranking in other categories
Web Application Firewall (WAF) (19th)
Imperva DDoS
Ranking in CDN
6th
Ranking in Distributed Denial-of-Service (DDoS) Protection
7th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
78
Ranking in other categories
Web Application Firewall (WAF) (18th)
 

Mindshare comparison

As of July 2025, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 19.6%, up from 19.1% compared to the previous year. The mindshare of Fastly is 2.4%, up from 2.0% compared to the previous year. The mindshare of Imperva DDoS is 6.3%, down from 7.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

Carlos Alam Hernandez Baruch - PeerSpot reviewer
Fast and secure deployments simplify operations for government and fintech clients
It is a fast and secure DNS. It is very easy to deploy, and my customers are happy with this tool. Additionally, the CDN performance in Mexico is excellent, providing fast service and tools. It offers reliability during high-traffic periods, ensuring no impact on the environment. It helps my clients avoid using on-premise boxes, simplifying operations as they only use the prices on Cloudflare.
Nick Wilsdon - PeerSpot reviewer
An easily scalable and stable product that provides exceptional support
The product should provide improved bot detection and management. The product should also provide support for code management. Everybody working in CDN is currently looking for ways to better manage code deployment with various authorization levels and synchronization with our lower environments. Matching up what's happening in CDN with what's happening on the origin regarding testing would always be useful.
DerrickAkankwasa - PeerSpot reviewer
Provide DDoS protection and better security at effective rate
It is expanding its number of data centers for scrubbing traffic. Currently, there is only one POP for cleaning in South Africa. They might add another POP in North Africa, possibly in Nigeria or Egypt. Latency concerns customers, especially in regions like East and West Africa, where traffic has to travel to South Africa before returning. Increasing the number of POPs across the continent would help address these latency issues and improve overall service. While the platform is already quite strong, there’s always room for improvement, especially in keeping up with emerging trends and new types of attacks. Enhancing security capabilities could be beneficial. Integrating more advanced AI features could significantly improve its effectiveness and help customers leverage these tools more effectively. It would be great to see more focus on AI integration to handle and analyze data more efficiently.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"I rate its stability a ten out of ten."
"The most valuable feature is its usability."
"Its ease of integration with Office 365 and the fact that it's a good product compared to what I had before"
"It's a great product because it's scalable, has great coverage, and is mature with good defenses against DDoS attacks."
"DDoS attacks target unprotected machines. Cloudflare detects and stops these attacks using internal systems. It identifies incoming DDoS attacks, issuing challenges or blocking them immediately."
"Easier http to https redirect using page rules"
"Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications."
"The UI is good."
"Fastly uses configuration versioning, where you can deploy a new version in less than one minute."
"The product's initial setup phase is straightforward."
"Compute@Edge features are valuable to me."
"Rate limiting is a good feature that protects from volumetric attacks."
"Support is good; the product works as advertised. We have a Slack connection with them. So we can basically ask for help, live, engage, and ring when they respond. Very quickly."
"Its initial setup process is straightforward."
"The product helps our organization to access sites located in different regions quickly."
"Incapsula takes care of the CDN infrastructure and bandwidth volume, providing several enterprise "load balancing" features."
"The three-second service level agreement is already better than the competition."
"The setup of Imperva DDoS was easy."
"Scalability is pretty easy on the base platform. You just add another, and you're ready to go."
"The most valuable features are DDoS protection."
"Setup was straightforward, very simple. I only entered the domain and Incapsula returned the DNS data that I needed to change for the protection to be configured."
"The most valuable features for us are the DDoS and Bot."
"There is no need to have an appliance in house for the services because it is on the cloud."
 

Cons

"For the free and Pro plans, Cloudflare could use a simple bot to provide information to users. This would improve support, especially for less advanced users who utilize the free components."
"It would be helpful if the solution could continue evolving to compete with the other solutions on the market."
"The solution could use more analytics on the backend to give us more insights into everything. More reports would be helpful."
"An integrated SSO feature would be useful for Cloudflare DNS."
"It would be good if Cloudflare could have more servers for better traffic routing or an increase in the traffic routed. This is what I'd like to improve in Cloudflare."
"In the last two years, there has been a certain amount of downtime when using the VDM."
"The timing aspect can lead to it being considered overpriced. This is a particular concern we have with Cloudflare, as they may struggle with accurately detecting the client."
"Integration involving API with other products could be more user-friendly."
"The product should provide improved bot detection and management."
"Fastly's customer service area needs improvement."
"Support is not that great."
"What I don't like about Fastly is that they charge a heavy price."
"Stronger analytics would be helpful, like showing configurations that haven't served a certain amount of traffic in a while. With many properties, things can get lost track of - duplicates or unused configurations not properly decommissioned."
"The solution's pricing could be better."
"It is missing a "staging" platform to deploy a test configuration with all of the real settings, which would allow us to properly test before putting it into production."
"It would be beneficial to include vulnerability management in the solution, similar to what they have for their on-premise solution."
"We faced issues regarding compliance with client procedures. The client had strict compliance rules, and Imperva needed to be on a VM, while the client required containerization, causing a conflict. They went with Imperva for the on-premise version but shelved the cloud project due to too many blockers."
"Its price could be improved. It is quite expensive. It will be good if we could export the configuration. Currently, to control the configuration, we need to go to each website, which is not very convenient."
"The log analytics interface within Incapsula isn't really good. For example, if you have to get all logs from there, it's a very cumbersome process."
"Incapsula services also provides load balancing services for their service IP address environment. So far, with monitoring their services, the IP address was only changed once."
"The product could use a broader scope in the area of policies."
"It needs to be improved every time there are new attacks."
"I would like to see improvements in the pooling of threats and attacks, possibly to enlarge the scale of indicators of compromise."
 

Pricing and Cost Advice

"The product's pricing is cheap."
"The solution has many features but there are ones that you need to pay for. Sometimes you have to find out which is available for free and which you have to pay for."
"The tool is a premium product, so it is very expensive."
"The price is reasonable."
"The solution is expensive when compared to other products but offers unlimited bandwidth."
"We don't have any issues with the price."
"I think the pricing is competitive. I think as far as licensing is concerned it's pretty straightforward because it's based on domain. It's just that sometimes domains could be tricky with some customers."
"Cloudflare's pricing is not much higher and is good for middle-level organizations."
"Fastly is less expensive than one of its competitors."
"It is an expensive solution."
"The pricing has been very competitive."
"You need to pay a premium price for the tool."
"I've generally found Fastly to be very competitive in pricing, especially around Compute@Edge."
"The solution is cheaper than other products in the market."
"In my opinion, Fastly is priced competitively."
"Varies depending on the needs of the customer."
"The license is on a yearly basis."
"​Although the pricing can be a little high, it is worth the protection and security that it offers.​"
"Pricing could be more competitive."
"For enterprise contracts you will be in touch with a dedicated account manager who will guide you regarding licensing."
"There is a license or subscription renewal that our customers pay."
"The solution's price is high for small companies."
"The data packages are higher than our needs so we end up paying for data that we don't use."
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Comparison Review

it_user68487 - PeerSpot reviewer
Nov 6, 2013
CloudFlare vs Incapsula: Web Application Firewall
CloudFlare vs Incapsula: Round 2 Web Application Firewall Comparative Penetration Testing Analysis Report v1.0 Summary This document contains the results of a second comparative penetration test conducted by a team of security specialists at Zero Science Lab against two cloud-based Web…
 

Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
11%
Financial Services Firm
10%
Manufacturing Company
7%
Computer Software Company
17%
Comms Service Provider
9%
Financial Services Firm
9%
Manufacturing Company
8%
Financial Services Firm
16%
Computer Software Company
14%
Manufacturing Company
8%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Cloudflare. We are moving from Akamai prolexic to Cloudflare. Cloudflare anycast network outperforms Akamai static GR...
Which would you choose - Cloudflare DNS or Quad9?
Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service...
What do you like most about Cloudflare?
Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications.
What do you like most about Fastly?
Support is good; the product works as advertised. We have a Slack connection with them. So we can basically ask for h...
What needs improvement with Fastly?
What I don't like about Fastly is that they charge a heavy price. The pricing is different per region. If you have a ...
What do you like most about Imperva Incapsula?
We use Imperva DDoS to stop DDoS attacks and reduce the amount of unwanted queries against web services or web scraping.
What is your experience regarding pricing and costs for Imperva DDoS?
The pricing, setup costs, and licensing of Imperva DDoS are reasonable for the amount of technical capabilities provi...
What needs improvement with Imperva DDoS?
I would like to see improvements in the pooling of threats and attacks, possibly to enlarge the scale of indicators o...
 

Comparisons

 

Also Known As

Cloudflare DNS
No data available
Imperva Incapsula
 

Overview

 

Sample Customers

Trusted by over 9,000,000 Internet Applications and APIs, including Nasdaq, Zendesk, Crunchbase, Steve Madden, OkCupid, Cisco, Quizlet, Discord and more.
Twitter, Airbnb, Alaska Airlines, Pinterest, Vimeo, The Guardian, The New York Times, Ticketmaster, The Drupal Association, Opera, about.com, imgur, Etsy, Foursquare, GitHub, New Relic, shopify, Shazam, Firebase
Hitachi, BNZ, Bitstamp, Moz, InnoGames, BTCChina, Wix, LivePerson, Zillow and more.
Find out what your peers are saying about Fastly vs. Imperva DDoS and other solutions. Updated: July 2025.
861,803 professionals have used our research since 2012.