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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) (17th), Feature Management (4th)
Segment
Ranking in Web Analytics
5th
Average Rating
7.8
Reviews Sentiment
6.2
Number of Reviews
15
Ranking in other categories
Data Governance (12th), Customer Data Platforms (CDP) (1st)
 

Mindshare comparison

As of November 2026, in the Web Analytics category, the mindshare of Optimizely is 4.5%, up from 3.7% compared to the previous year. The mindshare of Segment is 4.0%, down from 4.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Web Analytics Mindshare Distribution
ProductMindshare (%)
Segment4.0%
Optimizely4.5%
Other91.5%
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 the best in the testing industry; transparent support along with a very strong community."
"Customer service is wonderful."
"Optimizely is a great product that has inspired a great community and is the standard for A/B testing."
"Optimizely can work for a lot more things than only testing; it is a pretty easy yet powerful tool."
"Customer service is excellent!"
"Dead simple A/B testing with no code knoweldge needed."
"I really enjoyed working with Segment's partnerships team, as I did not implement Segment for myself but was a consultant that implemented it for others."
"Segment allowed for the organization of the entire source of all audiences, making it a very robust tool where the cost pays for itself through return on investment, highlighting the tool's cost-benefit ratio as a major differentiator."
"With Segment, we were able to clean the data and also break the data into different classes to reach specific targets with a specific message, and the outcome was very superb."
"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."
"Segment has improved our data quality and our ease of collection, and most importantly, it has saved us time by not having to maintain a custom tool for server-side tracking."
"Segment has positively impacted my organization by enabling my client to improve their marketing and understanding of their customers through the use of Segment without needing IT as a bottleneck."
"One of the best features Segment offers is its ability to act as a centralized customer data hub."
"In the initial rollout of the campaigns, we definitely saw a 2% conversion rate, and the end-to-end return on average ad spend showed an improvement of 14%."
 

Cons

"Does not allow multipage variants (i.e. allows only variants in elements inside one page)."
"Better communication with 3rd party implementation"
"When testing images or anything involving JavaScript or more than text, they can really slow down the load performance of a page."
"Verifying goals could be easier."
"Exporting statistics provide more statistical data."
"There were previously issues with experiments saving as expected in Classic."
"The design of the website is such that you lose context when clicking around (e.g. when clicking on docs)."
"Segment could be improved by allowing community-based integrations, particularly for integrations available only via webhook that are not natively available, such as those from attribution platforms."
"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 only challenge was the session functionality."
"The cost is very high, but it is worth it."
"I think Segment can improve in terms of identity management, possibly in some of the protocols by adding more flexibility."
"The challenge is the lack of flexibility in the SDKs, given the capabilities of the destinations."
"Regarding Segment's AI capabilities, I think its accuracy and reliability of output were lacking."
 

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
15%
Computer Software Company
9%
Manufacturing Company
8%
Comms Service Provider
7%
Outsourcing Company
24%
Financial Services Firm
8%
Comms Service Provider
7%
University
7%
 

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 Enterprise2
Large Enterprise6
 

Questions from the Community

Ask a question
Earn 20 points
What is your experience regarding pricing and costs for Segment?
My experience with pricing, setup costs, and licensing was smooth, though I did not know the total expense, estimated around 1 to 2 million per month, with licensing restrictions on access to Segme...
What needs improvement with Segment?
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 ou...
What is your primary use case for Segment?
My main use case for Segment is to share a practical experience about how we used Segment at XP Investimentos bank to transform behavioral data into business intelligence and high-impact marketing ...
 

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.
920,769 professionals have used our research since 2012.