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Fortinet FortiWeb Cloud WAF-as-a-Service vs The Fastly Next-Gen WAF (powered by Signal Sciences) comparison

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Comparison Buyer's Guide

Executive Summary

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
Average Rating
8.6
Reviews Sentiment
7.2
Number of Reviews
75
Ranking in other categories
CDN (1st), Distributed Denial-of-Service (DDoS) Protection (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (14th)
Fortinet FortiWeb Cloud WAF...
Average Rating
9.0
Reviews Sentiment
8.7
Number of Reviews
4
Ranking in other categories
Web Application Firewall (WAF) (28th)
The Fastly Next-Gen WAF (po...
Average Rating
7.6
Reviews Sentiment
7.1
Number of Reviews
3
Ranking in other categories
Web Application Firewall (WAF) (26th)
 

Featured Reviews

Spencer Malmad - PeerSpot reviewer
It's easy to set up because you point the DNS to it, and it's working in under 15 minutes
Cloudflare is highly scalable. Cloudflare is a system with a web portal that the end users like me see. It's a console where we can adjust the DNS, caching, and security features all in that console. Cloudflare owns thousands of servers across the world that cache the data. It's a powerful solution. When clients sign up for Cloudflare, they're getting this monster content delivery network, security, and a web application firewall in one. It's all rolled into one, and it's massive. Unless you have your website hosted on a massive hosting provider, there's no way that you can deliver the amount of data that Cloudflare can provide to the end users. If you have static content, there's no way that you can ever match what Cloudflare can do. Obviously, there are competitors to Cloudflare that do the same, but I'm saying other types of solutions. Let's say you go with F5. Great, that's on-prem. That's in your colo. You can't deliver as much data to the internet as you can with a CDN. You don't have to spend $20,000 on a net scaler, F5, or whatever Cisco's selling now. You don't have to buy that. You pay them $50 a month or $150 a month. It's totally worth it because even in five years, you'll never get the performance value, not just the actual ROI. You have to consider how much throughput you can get with Cloudflare.
Lilian Blaitt - PeerSpot reviewer
Efficiently identifies and addresses vulnerabilities while providing robust protection
It is a secure tool. It is user-friendly and easy to work with. It is possible to easily find vulnerabilities with the WAF. I understand that the return is good since I haven't had any significant attacks. The vulnerabilities I found were easy to close. I think the return is good. It is a good tool.
Archana Heeralal - PeerSpot reviewer
A good solution to implement web application firewall for applications
There are some lags in Signal Sciences for the web application firewalls. Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic. There is a little bit of complexity with custom rules that should be removed. Signal Sciences should add a feature called rate limiting with multiple options, wherein I can create a rate limiting based on the cookie request or the IP.

Quotes from Members

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

Pros

"Cloudflare has many features."
"The attacker won't have details since my public IP is anonymous. It offers us good privacy."
"Its most significant benefit to date is the speed with which it refreshes DNS records on the internet once you change it. If you are changing a website or registering a new record, it is very quick."
"The most valuable feature of Cloudflare is that it has a free version. They give us the free version with the anti-DDoS features and also the load balancing solution."
"When using services like Heroku, Cloudflare is very useful for CNAME flattening. I also use it for their end-to-end SSL with TLS authentication on nginx for securing servers."
"Smaller businesses have seen great ROI due to the low investment and strong performance."
"I like Cloudflare's application gateway and DDoS protection."
"Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications."
"It is user-friendly and easy to work with."
"The stability of the solution is excellent."
"Fortinet FortiWeb offers a variety of protections, including machine learning that helps protect web applications."
"The company provides technical support, and they are mostly available 24/7."
"The technical support is really good."
"It is a secure tool."
"I rate the overall solution ten out of ten."
"When configuring a web application firewall using Signal Sciences, we configure a rule whereby no one except a few people can access the application."
"The product's most valuable feature is its ability to set up the rules easily."
"Fastly (Signal Sciences) integrates and tags the intermittent traffic based on patterns. It generates signals and provides them in a dashboard where we can view them and decide whether to allow or deny traffic. It's a more advanced and easy-to-navigate dashboard."
 

Cons

"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."
"I would like Cloudflare to offer a dedicated account manager for large enterprise clients like us."
"I think the APIs are a little bit hard for us to work with. The APIs could be more open so that we could integrate better with our SolarWinds or our monitoring solution."
"Cloudflare does not have an on-premise solution. If they had different approaches they could be better suited to accommodate more customers, such as on-premise and hybrid deployments. For example, hybrid deployments would be useful where you could move the traffic from the enterprise to the cloud."
"Cloudflare should add more documentation and pricing to the cloud version."
"There should be a specific price list for enterprise-level customers."
"Latencies are always a problem."
"It should have easier documentation for the configuration. It's very technical and people who aren't technical should also be able to do the configuration."
"The usability of the interface could be improved as it is not user-friendly."
"The usability of the interface could be improved as it is not user-friendly."
"The only thing I encountered was related to integration, mostly concerning translation."
"I do not have any notes on improvement."
"Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic."
"Fastly don't support caching for China users. That's the only feature lacking compared to Akamai."
"The areas that could be improved in Signal Sciences include the effectiveness of rules, as many didn't function optimally and required custom rule-writing to address bypasses for WAF."
 

Pricing and Cost Advice

"That is one of the great features. I was able to access the majority of the features and services for free."
"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."
"We are using the free tier of the solution."
"When you compare Cloudflare DNS to other solutions, such as Akamai, the price is reasonable."
"We don't have any issues with the price."
"Cloudflare's pricing is not much higher and is good for middle-level organizations."
"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 price is reasonable."
Information not available
"The pricing is 50% less than Akamai."
"Signal Sciences is pretty cheap compared to other solutions."
"The product has an affordable cost."
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Top Industries

By visitors reading reviews
Educational Organization
17%
Computer Software Company
14%
Comms Service Provider
9%
Financial Services Firm
8%
No data available
Educational Organization
17%
Computer Software Company
12%
Manufacturing Company
11%
Financial Services Firm
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

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 is your experience regarding pricing and costs for Fortinet FortiWeb Cloud WAF-as-a-Service?
The price is not the cheapest, but it offers great value for money. I would rate it as an eight out of ten for pricing.
What needs improvement with Fortinet FortiWeb Cloud WAF-as-a-Service?
While we find the solution to be really good overall, some improvements could be made to the alerting system, specifi...
What is your primary use case for Fortinet FortiWeb Cloud WAF-as-a-Service?
We use Fortinet FortiWeb Cloud WAF-as-a-Service situated in front of our web-facing APIs. This includes everything th...
What do you like most about Signal Sciences?
The product's most valuable feature is its ability to set up the rules easily.
What needs improvement with Signal Sciences?
Fastly don't support caching for China users. That's the only feature lacking compared to Akamai.
 

Also Known As

Cloudflare DNS
No data available
Signal Sciences Next-Gen WAF, Signal Sciences RASP
 

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.
Information Not Available
Chef, Adobe, Datadog, Etsy, GrubHub, Vimeo, SendGrid, Under Armour, Duo, AppNexus
Find out what your peers are saying about Fortinet FortiWeb Cloud WAF-as-a-Service vs. The Fastly Next-Gen WAF (powered by Signal Sciences) and other solutions. Updated: April 2025.
850,028 professionals have used our research since 2012.