GTmetrix vs. Optimizely Web Experimentation

Overview
ProductRatingMost Used ByProduct SummaryStarting Price
GTmetrix
Score 9.7 out of 10
N/A
Gtmetrix is an analytics tool focused on determining website performance with features like page load speed details, video capture, and the ability to test from multiple regions around the world.
$10.67
per month
Optimizely Web Experimentation
Score 8.7 out of 10
N/A
Optimizely Web Experimentation empowers teams to conduct experiments (without having to rely on developer resources) in order to test various user interactions, make website changes backed by data, and personalize customer experiences.N/A
Pricing
GTmetrixOptimizely Web Experimentation
Editions & Modules
Solo
$10.67
per month
Starter
$21.25
per month
Growth
$42.50
per month
Basic
Free
No answers on this topic
Offerings
Pricing Offerings
GTmetrixOptimizely Web Experimentation
Free Trial
NoYes
Free/Freemium Version
YesNo
Premium Consulting/Integration Services
NoYes
Entry-level Setup FeeNo setup feeOptional
Additional Details
More Pricing Information
Community Pulse
GTmetrixOptimizely Web Experimentation
Top Pros
Top Cons
Features
GTmetrixOptimizely Web Experimentation
Testing and Experimentation
Comparison of Testing and Experimentation features of Product A and Product B
GTmetrix
9.3
5 Ratings
11% above category average
Optimizely Web Experimentation
8.0
104 Ratings
4% below category average
a/b experiment testing9.83 Ratings9.3104 Ratings
Split URL testing9.83 Ratings8.585 Ratings
Multivariate testing7.52 Ratings8.887 Ratings
Multi-page/funnel testing8.03 Ratings8.282 Ratings
Cross-browser testing9.95 Ratings7.457 Ratings
Mobile app testing9.02 Ratings7.644 Ratings
Test significance9.02 Ratings8.595 Ratings
Visual / WYSIWYG editor10.01 Ratings8.084 Ratings
Advanced code editor10.01 Ratings7.577 Ratings
Page surveys10.01 Ratings6.817 Ratings
Visitor recordings10.01 Ratings8.418 Ratings
Preview mode10.02 Ratings8.093 Ratings
Test duration calculator7.53 Ratings6.965 Ratings
Experiment scheduler10.01 Ratings8.164 Ratings
Experiment workflow and approval10.01 Ratings6.544 Ratings
Dynamic experiment activation10.01 Ratings7.440 Ratings
Client-side tests8.52 Ratings9.159 Ratings
Server-side tests8.53 Ratings9.125 Ratings
Mutually exclusive tests10.01 Ratings8.544 Ratings
Audience Segmentation & Targeting
Comparison of Audience Segmentation & Targeting features of Product A and Product B
GTmetrix
10.0
1 Ratings
14% above category average
Optimizely Web Experimentation
8.6
98 Ratings
1% below category average
Standard visitor segmentation10.01 Ratings8.996 Ratings
Behavioral visitor segmentation10.01 Ratings8.376 Ratings
Traffic allocation control10.01 Ratings9.492 Ratings
Website personalization10.01 Ratings7.964 Ratings
Results and Analysis
Comparison of Results and Analysis features of Product A and Product B
GTmetrix
10.0
2 Ratings
16% above category average
Optimizely Web Experimentation
8.3
94 Ratings
2% below category average
Heatmap tool10.01 Ratings9.213 Ratings
Click analytics10.01 Ratings8.833 Ratings
Scroll maps10.01 Ratings8.317 Ratings
Form fill analysis10.01 Ratings8.335 Ratings
Conversion tracking10.01 Ratings8.744 Ratings
Goal tracking10.01 Ratings8.482 Ratings
Test reporting10.02 Ratings8.185 Ratings
Results segmentation10.02 Ratings8.052 Ratings
CSV export10.01 Ratings7.557 Ratings
Experiments results dashboard10.02 Ratings8.049 Ratings
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Score 8.7 out of 10
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Score 8.7 out of 10
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User Ratings
GTmetrixOptimizely Web Experimentation
Likelihood to Recommend
9.9
(7 ratings)
8.8
(190 ratings)
Likelihood to Renew
-
(0 ratings)
8.4
(46 ratings)
Usability
9.1
(1 ratings)
9.0
(58 ratings)
Availability
-
(0 ratings)
10.0
(7 ratings)
Performance
-
(0 ratings)
7.3
(6 ratings)
Support Rating
4.0
(2 ratings)
10.0
(16 ratings)
Online Training
-
(0 ratings)
3.0
(1 ratings)
Implementation Rating
-
(0 ratings)
8.0
(11 ratings)
Configurability
-
(0 ratings)
6.0
(1 ratings)
Product Scalability
-
(0 ratings)
8.0
(101 ratings)
User Testimonials
GTmetrixOptimizely Web Experimentation
Likelihood to Recommend
Gossamer Threads Inc.
GTmetrix is very well suited for small organizations or startups that do not have sufficient technical staff for site optimization. GTmetrix also comes with the free version, which allows users to use their service for free for up to three websites, which is a good option. However, this might not be the best option for a large organization that works in different technical domains and have a good number of technical staff.
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Optimizely
Optimizely Web Experimentation has a higher sticker price than some of its competitors. While this is true, you're buying an industry leader with tremendous experience in working with clients for years. Initially, with our Conversion Rate Optimization program, we were wow'd and cajoled into trying the hot bleeding edge features that some newer companies might call AI/algorithmic models-- these are otherwise known as Multi-Armed Bandit campaigns, which isn't a new thing. That being said, contracting and fully utilizing Optimizely Web Experimentation's suite of features, professional services, and more may be cost prohibitive for smaller companies. Once a CRO program reaches maturity Optimizely Web Experimentation can scale for larger teams where more advanced can utilize server side tests exclusively for seamless experimentation.
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Pros
Gossamer Threads Inc.
  • Really complete report of performance issues.
  • Get reports from PageSpeed and YSlow at same time.
  • Gives a score from each separate tool, also displays loading time, page size and total requests very easily.
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Optimizely
  • Considers every kind of experiment from simple code change, code additions, code removal, javascript functions, CSS changes, and split landing redirects.
  • Very friendly UC interface for easy navigation of implementation of pages, click events, experiment set up, and metric set up.
  • The ability to let me know when something has reach stat sig without having to do complicated math on my own
  • ability to carry UTM parameters through landing page redirects with a click of a button.
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Cons
Gossamer Threads Inc.
  • Deeper knowledge of page elements and their importance
  • Knowing which areas will have great impact beyond time of load speeds
  • Should drop any elements that do not reach a certain level of impact - to save distraction and get important issues dealt with
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Optimizely
  • Pricing model penalizes those just starting with experimentation.
  • High price and fees based on website traffic, not experiment impressions. so you are charged whether you experiment or not.
  • Integration with GA4 is subpar.
  • Documentation at times confusing, different products.
  • UX is confusing and too simple. It leads to errors by users. Lack of meganavs, too minimalistic, it becomes quite a frustration.
  • Not competitive pricing compared with other AB testing tools.
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Likelihood to Renew
Gossamer Threads Inc.
No answers on this topic
Optimizely
Because it's an incredible and essential tool for my line of work as a conversion optimization specialist. Really couldn't do my job nearly as effectively without it. It's paid for itself many times over and I feel like I'm only beginning to unlock the tools potential.
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Usability
Gossamer Threads Inc.
It's easy to use fast, data is easy to read and take aways are great too.
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Optimizely
Usability is mostly great. I like the WYSIWYG functionality and adding in real code is simple as well. It's easy to target specific pages or audiences. I've knocked a couple of points off because of how difficult it is to set up URL redirect experiments, confusion around creating pages, and lack of data that can be further analyzed.
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Reliability and Availability
Gossamer Threads Inc.
No answers on this topic
Optimizely
I would rate Optimizely Web Experimentation's availability as a 10 out of 10. The software is reliable and does not experience any application errors or unplanned outages. Additionally, the customer service and technical support teams are always available to help with any issues or questions.
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Performance
Gossamer Threads Inc.
No answers on this topic
Optimizely
I would rate Optimizely Web Experimentation's performance as a 9 out of 10. Pages load quickly, reports are complete in a reasonable time frame, and the software does not slow down any other software or systems that it integrates with. Additionally, the customer service and technical support teams are always available to help with any issues or questions.
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Support Rating
Gossamer Threads Inc.
I have never had the need to use GTmetrix support. Therefore, there is really no way for me to give a grade here. However, if you are on a paid plan my guess and it is a guess, is that their support is as good as the tool is. There are a lot more features in the paid plans, reporting. monitoring etc. I could see where support could come into play as these features are added to the account
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Optimizely
They always are quick to respond, and are so friendly and helpful. They always answer the phone right away. And [they are] always willing to not only help you with your problem, but if you need ideas they have suggestions as well.
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Online Training
Gossamer Threads Inc.
No answers on this topic
Optimizely
The tool itself is not very difficult to use so training was not very useful in my opinion. It did not also account for success events more complex than a click (which my company being ecommerce is looking to examine more than a mere click).
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Implementation Rating
Gossamer Threads Inc.
No answers on this topic
Optimizely
In retrospect: - I think I should have stressed more demo's / workshopping with the Optimizely team at the start. I felt too confident during demo stages, and when came time to actually start, I was a bit lost. (The answer is likely I should have had them on-hand for our first install.. they offered but I thought I was OK.) - Really getting an understanding / asking them prior to install of how to make it really work for checkout pages / one that uses dynamic content or user interaction to determine what the UI does. Could have saved some time by addressing this at the beginning, as some things we needed to create on our site for Optimizely to "use" as a trigger for the variation test. - Having a number of planned/hoped-for tests already in-hand before working with Optimizely team. Sharing those thoughts with them would likely have started conversations on additional things we needed to do to make them work (rather than figuring that out during the actual builds). Since I had development time available, I could have added more things to the baseline installation since my developers were already "looking under the hood" of the site.
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Alternatives Considered
Gossamer Threads Inc.
Given we are doing the work to improve in Google to a large degree - the Google product is essential. But GTMetrix may use their info as well as other independent stuff to be a little better. I appreciate the way GTMetrix provides the info - cleaner and clearer and thus quicker to address.
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Optimizely
Overall, the tools we compared against were great, but we went with Optimizely because it has all the features we needed and has the market leadership that gave us trust we would be successful in our experimentation efforts.
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Scalability
Gossamer Threads Inc.
No answers on this topic
Optimizely
This rating for Optimizely Web Experimentation is rooted in the more complicated builds that are not feasible with just Java and CSS. These require the featured experimentation add on, therefore the base level platform I am giving a lower rating. We have had issues with overly complex test builds, because we can only utilize Java and CSS to make the elements
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Return on Investment
Gossamer Threads Inc.
  • It made my sites more stable.
  • I can fix my issues easily.
  • My site visitors increased with the help of this software.
Read full review
Optimizely
  • Customer retention: We've reduced subscription service client churn by 20%+ using optimized unsubscribe flows.
  • Risk mitigation: Testing into full site redesigns has saved clients millions of dollars.
  • Feature prioritization: Identifying what painted door changes add value has allowed developers to focus on changes that add hundreds of thousands or even millions to the bottom line.
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ScreenShots

Optimizely Web Experimentation Screenshots

Screenshot of the visual editor, used to make changes to the appearance and layout of a website.Screenshot of the results dashboard that displays experiment results.Screenshot of the integrations page, where integrations can be enabled.Screenshot of Advanced Audience Targeting: Custom Real-Time Segments provide customers with the ability to create rapidly-updating segments which can be used as audiences for testing or personalization. These segments can be based on profile data, omni-channel behaviors, and AI-based observations.Screenshot of AI Content Suggestions: AI-powered suggestions in the Visual Editor accelerate ideation.Screenshot of Extensions for Edge: reusable elements minimize developer dependency when launching multiple tests with the same element.