vivaldi logo

Vivaldi

Vivaldi is a highly customisable ad- and AI-free web browser based on Chromium.

Ad-Free Privacy Friendly Energy Efficient No Third-Party Trackers European
Website

Description

Vivaldi is a highly customisable, Chromium-based browser developed by Vivaldi Technologies. It emphasises privacy and extensive customisation, offering built-in ad and tracker blocking, a privacy dashboard, and unique features like tab stacks, workspaces, and a built-in email client. Vivaldi stands out for its rejection of generative AI, focusing instead on user-driven tools and privacy. Vivaldi integrates Proton VPN for enhanced privacy

In 2025, Vivaldi reaffirmed its rejection of generative AI, citing concerns about user control and data privacy. Vivaldi has faced criticism for dropping support for uBlock Origin in favour of its built-in ad blocker, which some users find less effective.

Website

Sustainability Features of Vivaldi

Ad-Free - Services that do not display advertisements to users, ensuring a cleaner and more private experience.

Vivaldi is mostly ad-free, ensuring a cleaner and more private user experience.

Privacy Friendly - It does not track users unnecessarily.

Vivaldi blocks ads and trackers by default, with a privacy dashboard for visibility into blocked content.Source: Fighting for a better web

Energy Efficient - Hardware or services designed to consume minimal energy, reducing environmental impact.

Vivaldi’s built-in ad and tracker blocking reduces unnecessary data usage and saves energy. Additional energy is saved by avoiding AI bloat in its browser.

No Third-Party Trackers - Services that do not use third-party cookies or trackers, ensuring user privacy.

By default Vivaldi does not allow third-party cookies.

European - Based in Europe, ensuring compliance with GDPR and European privacy and labor regulations.

Vivaldi Technologies is based in Norway.

Website

Summary

Vivaldi Browser is a customisable, privacy-focused browser with built-in ad and tracker blocking, a privacy dashboard, and unique features like tab stacks and workspaces. Its rejection of generative AI and commitment to user control make it a strong choice for privacy-conscious users, though ad-blocking limitations have drawn criticism.

Sustainability Score
86

More Sustainable Alternatives in Browser

LibreWolf

LibreWolf is a fork of Firefox, with enhanced security and privacy settings.

LibreWolfs’s built-in ad and tracker blocking reduces unnecessary data and energy consumption. The decision to avoid AI bloat in its browser saves even more resources.
LibreWolf does not allow third-party cookies or share user data with external parties.Source: LibreWolf Features
LibreWolf is fully open-source, allowing for community audits, contributions, and transparency in its development.Source: Codeberg Repos
LibreWolf blocks trackers, ads, and fingerprinting by default, with enhanced protections like uBlock Origin pre-installed and stricter privacy settings.Source: LibreWolf Features
LibreWolf is mostly ad-free, ensuring a cleaner and more private user experience.Source: LibreWolf Features
Website

Mullvad Browser

Mullvad Browser is privacy-focused with Tor Project Collaboration.

Mullvad is a based in Sweden.
Mullvad’s built-in ad and tracker blocking reduces unnecessary data and energy consumption, making it more efficient for users on limited data plans or battery-powered devices.
Mullvad Browser does not allow third-party trackers or share user data with external parties.
Mullvad Browser removes most ads and sponsored content, ensuring a clean and distraction-free browsing experience.
Mullvad Browser blocks trackers, ads, and fingerprinting by default, with pre-installed uBlock Origin.
Website
firefox logo

Firefox

Firefox is a popular open-source web browser developed by Mozilla.

Firefox is fully open-source, allowing for community audits, contributions, and transparency in its development.Source: Github Repo
Firefox’s built-in ad and tracker blocking reduces unnecessary data and energy consumption, making it more efficient for users on limited data plans or battery-powered devices, especially when combined with the uBlock Origin Plugin.
Firefox does not allow third-party trackers in its default browsing experience.Source: Third-party cookies and Firefox tracking protection
Firefox’s Enhanced Tracking Protection blocks third-party trackers and fingerprinting scripts by default, especially in Private Browsing Mode and Strict mode.Source: Firefox blocks fingerprinting
Website
brave logo

Brave

Brave is a privacy-focused web browser based on Chromium.

Brave does not use third-party trackers or allow external parties to collect user data.
Brave’s built-in ad and tracker blocking reduces unnecessary data and energy consumption, making it more efficient for users on limited data plans or battery-powered devices.
Brave blocks ads, trackers, and third-party cookies by default, reducing exposure to online tracking and fingerprinting.
Brave is ad-free by default, ensuring a cleaner and more private user experience.
Website