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Optimizely vs Segment comparison

Why PeerSpot?
 

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

Optimizely
Ranking in Web Analytics
13th
Average Rating
9.2
Number of Reviews
7
Ranking in other categories
Digital Experience Platforms (DXP) (18th), Feature Management (4th)
Segment
Ranking in Web Analytics
3rd
Average Rating
7.8
Reviews Sentiment
6.2
Number of Reviews
15
Ranking in other categories
Data Governance (11th), Customer Data Platforms (CDP) (1st)
 

Mindshare comparison

As of September 2026, in the Web Analytics category, the mindshare of Optimizely is 4.3%, up from 3.5% compared to the previous year. The mindshare of Segment is 3.6%, down from 4.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Analytics Mindshare Distribution
ProductMindshare (%)
Segment3.6%
Optimizely4.3%
Other92.1%
Web Analytics
 

Featured Reviews

it_user623373 - PeerSpot reviewer
AB Testing and Web Optimization Specialist at a manufacturing company with 1,001-5,000 employees
It's given us a powerful tool that's doesn't limit our test ideas by the confines of code we can or cannot use.
Ease of building the test via HTML, Java, and CSS. It's given us a powerful tool that's doesn't limit our test ideas by the confines of code we can or cannot use The thoroughness of results has helped our company make better decisions for our website. Decisions that help our customers with their…
Thiago Vernizzi - PeerSpot reviewer
Engenheiro de Software at a outsourcing company with 10,001+ employees
Behavioral insights have powered personalized investor journeys and data-driven campaigns
I have not used Segment for more than a year, so I am not aware of its current evolution, but I know there was a migration from Segment to Adobe as a strategic decision by XP bank, which pointed out unified databases as an improvement area compared to Segment, where they effectively utilized AI for creative marketing campaign generation. The necessary improvements in Segment based on my experience focus on providing more tools for the marketing team, particularly using AI to create campaigns through images and short videos, enhancing communication with end customers via offer banners in a more automated and effective manner.

Quotes from Members

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

Pros

"ROI: Infinite! (Got 3X conversion improvement using suggestions given by the product during the free evaluation period)"
"Customer service is wonderful."
"Customer service is excellent!"
"Optimizely can work for a lot more things than only testing; it is a pretty easy yet powerful tool."
"Customer service is the best in the testing industry; transparent support along with a very strong community."
"Dead simple A/B testing with no code knoweldge needed."
"Optimizely is a great product that has inspired a great community and is the standard for A/B testing."
"One of the best features Segment offers is its ability to act as a centralized customer data hub."
"Segment has positively impacted my organization because we are getting the data correctly, and the license fee is also very much comparable with other tools, resulting in an overall win-win situation."
"I like the straightforward way of connecting with various data sources and destinations. That's the most valuable feature. It has built-in integrations for a lot of them, so the overall effort required for integrations is relatively low."
"Inserting some very simple code snippets has made this part of it a breeze for our developer so he can concentrate on the hard stuff."
"Segment has positively impacted my organization by making working with customer data a lot easier for us, as well as improving the speed at which we can ingest from new data sources and push to different activation layers."
"Segment's scalability is amazing, and it's fully capable of handling all of the different use cases that we have in our company and we have a very complicated company."
"Segment has positively impacted my organization by reducing implementation time to one-third of what it previously took."
"On the one hand, Segment has saved marketing costs, which has allowed me to use that investment elsewhere, and on the other hand, it has allowed me to do much more personalization than I could do manually."
 

Cons

"When testing images or anything involving JavaScript or more than text, they can really slow down the load performance of a page."
"Exporting statistics provide more statistical data."
"Does not allow multipage variants (i.e. allows only variants in elements inside one page)."
"There were previously issues with experiments saving as expected in Classic."
"Verifying goals could be easier."
"Better communication with 3rd party implementation"
"The challenge is the lack of flexibility in the SDKs, given the capabilities of the destinations."
"I think Segment can improve in terms of identity management, possibly in some of the protocols by adding more flexibility."
"I have not used Segment for more than a year, so I am not aware of its current evolution, but I know there was a migration from Segment to Adobe as a strategic decision by XP bank, which pointed out unified databases as an improvement area compared to Segment, where they effectively utilized AI for creative marketing campaign generation."
"When we worked with customers who were using the professional services, they weren't always happy with the implementation because it was a little too simplistic and didn't live up to what the sales team said it could deliver."
"The design of the website is such that you lose context when clicking around (e.g. when clicking on docs)."
"I chose a rating of eight out of ten because these video tutorials would really illustrate how to use the tool to its full potential, and perhaps some more hands-on support from the Segment team would push it to a ten."
"The only challenge was the session functionality."
"The cost is very high, but it is worth it."
 

Pricing and Cost Advice

Information not available
"The pricing was on the higher side but it wasn't excessively high."
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Top Industries

By visitors reading reviews
Outsourcing Company
12%
Computer Software Company
10%
Manufacturing Company
7%
Construction Company
7%
Outsourcing Company
16%
Comms Service Provider
8%
Financial Services Firm
8%
University
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Large Enterprise5
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise1
Large Enterprise6
 

Questions from the Community

Ask a question
Earn 20 points
What needs improvement with Segment?
I think Segment can improve in terms of identity management, possibly in some of the protocols by adding more flexibility. I also see the need for more free-form searches such as regex or condition...
What is your primary use case for Segment?
My main use case for Segment is as a CDP to create a centralized view of the customer and help integrate the activation of audiences to downstream services. A specific example of how I use Segment ...
 

Comparisons

 

Also Known As

No data available
Segment.io
 

Overview

 

Sample Customers

Sony, SalesForce, FICO, Trulia, ABC, Fox Interactive Media, The Guardian, CBS, Walt Disney Company, Clorox, Livestrong
Nokia, rdio, Bonobos, LiveNation, Atlassian
Find out what your peers are saying about Optimizely vs. Segment and other solutions. Updated: September 2026.
913,683 professionals have used our research since 2012.