
VWO
AB Tasty
Google Analytics
Unbounce
PractiTest
Azure DevOps
Hotjar
A/B testing you'll actually use.

Mixpanel
Plausible.io
Amplitude
Google Analytics
Hotjar
Microsoft Clarity
Fathom Analytics
An open source suite of product and data tools including product analytics, feature flags, session replay, A/B testing, surveys, and more.

Which is more popular?
Based on our record, PostHog seems to be more popular. It has been mentioned 77 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | optimizely.com | posthog.com |
| Pricing | ||
| Company | Startup from the United States | Startup from the United States · 20 - 49 employees · 2020 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Optimizely yet.
For developers just starting out, PostHog is a free way to understand how your product is being used, without having to send any data to 3rd parties. For enterprise customers, one data security becomes a key concern, or B2C businesses where using a SaaS solution is unaffordable, it's typical...
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
PostHog is particularly well-suited for product teams, developers, and startups that require deep insights into user interactions and need the flexibility of a self-hosted solution. It is also a good fit for organizations that prioritize data privacy and want to maintain full control over their data.
Walkthroughs and reviews on video.
Optimizely Review | A/B Testing | Pearl Lemon Reviews
More videos
PostHog Walk Through
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Optimizely and PostHog. 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...
PostHog alternativeHow Privatrak and PostHog compare, and when PostHog is the better choice.
According to BuiltWith, as of February 2024, PostHog is used on 5,169 (0.52%) of the top 1 million websites. Hotjar is used by 72,048 of the top 1 million websites. Typical PostHog users are engineers and product...
BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Optimizely since Mar 2021.
Attio is the CRM for accounts and outreach waves. PostHog tracks UTMs, events and the KPIs. Notion holds the task board and the data-points database every published number comes from. Google Workspace supplies mail, calendar and the... - Source: dev.to / about 22 hours ago
Start-here: Will Google show the URL → Search Console (free). Who visited → GA4 (free standard). Product/errors → PostHog or Sentry. Is it up → UptimeRobot or Better Stack. - Source: dev.to / 29 days ago
Run eas integrations:posthog:connect and EAS CLI creates or links your PostHog project, installs the SDK and config plugin, and writes environment variables to your project and EAS. Every event PostHog captures now carries eas/update_id,... - Source: dev.to / about 2 months ago
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