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Frequently Asked Questions

A curated summary of the top questions asked on our Slack community, often relating to implementation, functionality, and building better products generally.
Statsig FAQs
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GENERAL

Does Using Statsig's Session Replay Impact Page Load Time and Performance Metrics?

Date of slack thread: 7/5/24

Anonymous: Hi Statsig team. We’re considering trying session replay ahead of a high-importance campaign that kicks off on Monday. We’re wondering whether you have any stats on the effects it has on page load time and other performance metrics? P.S. It was great to meet Marcos Arribas at the A/B Talks: London in June!

Vijaye (Statsig): Each website that includes the session replay script will have a slightly different performance profile. We have tuned the performance to make it extremely lightweight. The initial payload is small, however there will be some hit because of the JavaScript hooks and the egress from the page. We have it on our marketing page and haven’t noticed a perceptible hit to performance.

Anonymous: Thank you, Vijaye, that’s helpful.

Vijaye (Statsig): Thanks for checking us out - here to help if you have more questions.

Anonymous: Thanks a lot. I enjoyed the Statsig socks from the London A/B event. If we had 1000 visitors in a few minutes, would users be affected in any way different to if there was 1 visitor?

Vijaye (Statsig): No. The number of visitors wouldn’t affect this script.

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Why the best build with us

OpenAI OpenAI
Brex Brex
Notion Notion
SoundCloud SoundCloud
Ancestry Ancestry
At OpenAI, we want to iterate as fast as possible. Statsig enables us to grow, scale, and learn efficiently. Integrating experimentation with product analytics and feature flagging has been crucial for quickly understanding and addressing our users' top priorities.
OpenAI
Dave Cummings
Engineering Manager, ChatGPT
Brex's mission is to help businesses move fast. Statsig is now helping our engineers move fast. It has been a game changer to automate the manual lift typical to running experiments and has helped product teams ship the right features to their users quickly.
Brex
Karandeep Anand
President
At Notion, we're continuously learning what our users value and want every team to run experiments to learn more. It’s also critical to maintain speed as a habit. Statsig's experimentation platform enables both this speed and learning for us.
Notion
Mengying Li
Data Science Manager
We evaluated Optimizely, LaunchDarkly, Split, and Eppo, but ultimately selected Statsig due to its comprehensive end-to-end integration. We wanted a complete solution rather than a partial one, including everything from the stats engine to data ingestion.
SoundCloud
Don Browning
SVP, Data & Platform Engineering
We only had so many analysts. Statsig provided the necessary tools to remove the bottleneck. I know that we are able to impact our key business metrics in a positive way with Statsig. We are definitely heading in the right direction with Statsig.
Ancestry
Partha Sarathi
Director of Engineering
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