
VWO
AB Tasty
Google Analytics
Google Marketing Platform
PractiTest
Azure DevOps
Micro Focus ALM
A/B testing you'll actually use.

Brave
Mozilla Firefox
Google Chrome
Opera
Tor Browser
Pale Moon
Chromium
Vivaldi is a free, fast web browser designed for power-users. You decide how you browse. Download Vivaldi's fully customisable browser now and browse your way.

Which is more popular?
Based on our record, Vivaldi seems to be more popular. It has been mentioned 162 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | optimizely.com | vivaldi.com |
| Pricing | — | |
| Company | Startup from the United States | Startup from Norway |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Optimizely yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Optimizely Review | A/B Testing | Pearl Lemon Reviews
More videos
Vivaldi Is Awesome: Ditch Chrome | Full Vivaldi Tutorial 2018
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Optimizely and Vivaldi. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Optimizely is a lower cost entry tool for anyone looking to do website testing. While their pricing structure has changed over the years it still is a pretty cost effective solution. It is easy to get tests up and...
Optimizely is more of a personalization tool but you cannot ignore its A/B testing superiority. It helps you put the face of the most appealing site in front of customers. There’s a lot of things that are good in this...
Optimizely is a well known A/B testing and experimentation tool for both web and mobile. It claims to be built for the enterprise with features like roles, permissions, and two-factor authentication while still...
And there's plenty more to like about Vivaldi. Its unique tab management tool allows you to stack multiple tab rows on top of each other, so you can group certain websites to clear clutter and make more room on your...
Compared to Brave, Vivaldi lacks privacy features, but the huge extension support compensates for that. In my experience, both Brave and Vivaldi offer the same browsing speed, and the system impact was also equal.
Vivaldi's RSS reader is new, and features are somewhat limited. For example, it doesn't handle some of the extras that other services do, like newsletters and Facebook pages. If you just want a simple reader to...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Optimizely since Mar 2021.
The solution for the (as of yet) small group of people who cares about these things is very simple: community driven forks. With the bonus that you also get a set of great (and per fork different yet handy) features. These include:... - Source: Hacker News / 9 months ago
Last, but not least in my journey to find the perfect browser for me is Vivaldi. This browser was developed back in 2015 by a former Opera co-founder and markets itself to primarily power users. The browser strives to be the all-in-one... - Source: dev.to / 11 months ago
I use Vivaldi[1], it seems to work fairly well. Also has built-int adblocker although I'm not sure how good it is compared to Ublock or others. [1] https://vivaldi.com/. - Source: Hacker News / over 1 year ago
When comparing Optimizely and Vivaldi, you can also consider the following products.

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Get the browsers that put your privacy first — and always have
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Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
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Google Chrome is a fast, secure, and free web browser, built for the modern web. Give it a try on your desktop today.
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