Help Us Build An App To Study TikTok's Algorithm

TikTok's addictive algorithm keeps you watching for hours on end. Yet very little is understood about how it works — TikTok doesn't provide robust tools for researchers.

We want to make an app that helps experts study the app's algorithms and we need your help to do it.

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The Internet starts with us

From signing a petition, contributing to a project or attending an event, people can save the Internet. Here are ways to get involved.

*Privacy Not Included

Smart speakers, fitness trackers, security cams, & wireless headphones are cool. Are they creepy too? Check the privacy and security of products before you buy them.

*Privacy Not Included guide

TikTok Is Misleading Android Users

In Google’s app store, TikTok claimed it doesn’t share your data with third parties. Our research showed otherwise.

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Attend MozFest On-Demand

MozFest may be over but you can still watch 150+ sessions with a pay-what-you-can on-demand ticket.

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If you can, will you give today?

People like you help us stand for a healthy accessible web for all. Donate to keep the web open and free.

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Listen to the IRL Podcast

Our annual Internet Health Report is now an award-winning podcast. Meet champions who insist there is a better way to build, deploy, and comprehend AI’s potential.

Listen Now

YouTube Regrets Reporter

Mozilla and 37,380 YouTube users conducted a study to better understand harmful YouTube recommendations. Read our findings and contribute to the research.

Learn more

Ring: stop sharing info with police

Amazon and others are halting their facial recognition programs. If Amazon is really serious about its new police policies, it must extend the moratorium to include Ring.

Tell Amazon to sever its law enforcement ties

With Great Tech Comes Great…

With Great Tech Comes Great Responsibility is a student guide for navigating ethical issues in the tech industry.

Read the Guide

Add your name: Tell Slack to #BlockAbuse

Nobody should be forced to use a tool that leaves them open to abuse and harassment, but tens of millions of people use chat tool Slack every day – and Slack has no way to block abusive messages.

Sign the petition

Hulu: It's Time For Ad Disclosure

Hulu doesn't offer up any kind of transparency tools for researchers to examine its ads. Help us tell Hulu to release an ad archive as soon as possible.

Hulu: It's Time For Ad Disclosure

Spread the word

A healthy internet needs people. Share Mozilla’s work with your people to grow.

Become A Fellow

Mozilla Fellowships supports the work of leaders and makers around the globe. Internet Health touches policy, science, art, security and most importantly people. Fellowships provide people whose work is securing a web with resources, trainings and lifelong connections.

Be A Fellow

Become A Fellow

Mozilla Fellowships supports the work of leaders and makers around the globe. Internet Health touches policy, science, art, security and most importantly people. Fellowships provide people whose work is securing a web with resources, trainings and lifelong connections.

Be A Fellow

Celebrate MozFest

Saving the Internet needs work and celebration. MozFest is Mozilla’s yearly gathering to share, make, teach and learn, the important work being done around the world for Internet Health. With dialogues, fairs and fun, we celebrate an open web.

Explore MozFest

Celebrate MozFest

Saving the Internet needs work and celebration. MozFest is Mozilla’s yearly gathering to share, make, teach and learn, the important work being done around the world for Internet Health. With dialogues, fairs and fun, we celebrate an open web.

Explore MozFest