Choosing the right browser on Windows 11 is no small decision : it's the application we use most often every day for work, study, shopping, watching videos, or chatting. With so many options that seem to offer the same thing, the key is to understand their real differences in performance, compatibility, resource consumption, security, and privacy.
In this guide, we gather and unify all the comparisons and arguments of the websites that rank best for the search term, adding context and order so that you have everything at the click of a button: compatibility tests (HTML5, CSS and Acid3), performance benchmarks (Octane 2.0, SunSpider, JetStream), RAM and GPU consumption, security audits (BrowserAudit), global and Spanish market share, and an honest analysis of the pros and cons of the most popular browsers and other lesser-known but very interesting options.
What to look for before choosing a browser in Windows 11
Basic functionality, security, and interface design are the three pillars that developers focus on in any modern browser. While they share the essentials (history, tabs, bookmarks, extensions), the difference lies in the details: how they manage processes, how much they protect your privacy, how customizable their interface is, and to what extent they integrate extra services (VPN, PDF readers, AI, etc.).
Standards compliance is critical . Windows 11 uses engines like Blink (Chromium, the basis for Chrome, Edge, Opera, Vivaldi, Brave, Yandex, etc.) and Gecko (Firefox). Each engine interprets HTML, CSS, and JavaScript with nuances , which can affect everything from a website's appearance to its support for technologies like HTTP/3, WebAssembly, WebRTC, WebP, or PWAs.
Actual performance depends on several factors : not only benchmarks, but also tab management, hardware acceleration, thread usage, and RAM and GPU consumption when you open multiple websites and videos simultaneously. Some browsers are lighter at startup, while others are more stable under full load.
Extensions and ecosystem . The Chromium universe allows you to use the Chrome Web Store on almost all its derivatives, multiplying the options. Firefox has its own store (AMO), with fewer extensions but with very well-curated ones. If you depend on Google services (Gmail, Drive, Docs), Chrome is on its home turf; if you prefer greater independence, Firefox and alternatives like LibreWolf or Vivaldi make all the difference.
How the browser affects accessibility and loading of a site
The browser acts as the interpreter between the user and the server . Its rendering engine and technical support influence loading times, accessibility (keyboard, screen readers, semantics), and script behavior. Furthermore, cache management and local storage can accelerate revisits or cause discrepancies if misconfigured.
Extensions and ad blockers change the user experience: an ad blocker can speed things up, but it can also hinder functionality if it blocks key scripts. Security policies (mixed content, CORS, third-party cookies) protect the user, although they sometimes require website adjustments.
Why some browsers slow you down on websites without HTTPS
HTTPS is no longer optional . Without encryption, the connection is vulnerable (MITM attacks, code injection, or unauthorized ads), and browsers display strong warnings or block resources. In addition to building trust and providing modern features, Google rewards secure sites in SEO.
If you manage a website: server improvements that any browser will notice
Optimized hosting and back-end significantly enhance the perceived speed . Choose a good plan, enable HTTP/2 or HTTP/3, compress with GZIP/Brotli, cache on both the server and browser, minify CSS/JS, use modern images (WebP), enable lazy loading, serve resources from a CDN, and keep PHP and databases updated with efficient queries. Monitor with PageSpeed ​​Insights, GTmetrix, or Pingdom, and ensure security (firewall, DDoS protection, patches) to prevent downtime.
Compatibility and Performance: Testing and What It Means
In HTML5 compatibility , the browser with the best score in the collected tests was Brave (528/555), followed very closely by the other Chromium-based browsers (476/555) and Opera (474/555). Firefox lagged behind (467/555), although it was more advanced in CSS.
- HTML5: Brave 528/555; Chrome, Edge, Chromium, Vivaldi 476/555; Opera 474/555; Firefox 467/555.
In CSS (detailed support tests), Firefox led with 66%, while Chrome, Edge, Opera, Vivaldi, and Brave reached approximately 62-63%. Chromium scored 63% in these tests.
- CSS: Firefox 66%; Chrome 62%; Edge 62%; Chromium 63%; Operates 62%; Vivaldi 62%; Brave 62%.
In Acid3 , which evaluates past standards and behaviors, all tied with 97/100, with no surprises.
- Acid3: Firefox 97/100; Chrome 97/100; Edge 97/100; Chromium 97/100; Operates 97/100; Vivaldi 97/100; Brave 97/100.
Performance benchmarks . In Octane 2.0, Microsoft Edge leads, followed by Chrome and Opera; Firefox lags behind. In SunSpider, Firefox has the fastest time and best score; Brave was the slowest. On the other hand, in JetStream, Chrome stands out with the best result.
- Octane 2.0: Edge 51854; Chrome 51387; Firefox 25901; Chromium 49643; Opera 51054; Vivaldi 49934; Brave 49106.
- SunSpider: Firefox 134.3ms; Chrome 149.8ms; Brave 170.9 ms; Edge 160.1 ms.
- JetStream: Chrome 155219; Firefox 98755; Edge 151979; Chromium 143638; Opera 150692; Vivaldi 146677; Brave 145034.
RAM and GPU usage in practice . With tabs open, all browsers used between 100 and 200 MB. During loading with multiple websites and videos, Chromium (less than 800 MB) used less RAM, while Edge consumed the most. Chromium lacks hardware acceleration , which can affect multimedia playback. In terms of GPU usage, Chrome was more demanding, Firefox less so.
Methodological note : Tests were performed using specific versions and without extensions to maintain uniformity. Results will vary with updates and hardware.
Privacy and security: who protects you best?
In BrowserAudit (approximately 400 security checks) , Firefox performed the best: 377 tests passed, 7 warnings, and no critical flaws. Other Chromium-based browsers showed one common critical flaw: sending JavaScript cookies over HTTP instead of HTTPS.
- Firefox: 377/7/0/20
Privacy by default . Firefox stands out for its philosophy and technology (cookie protection, tracker blocking, non-profit foundation). Brave blocks trackers, intrusive advertising, and integrates IPFS and Tor windows. Vivaldi eliminates dependencies on Google and adds tools that don't track or profil.
Incognito mode : only prevents saving history and cookies; it does not prevent web tracking or hide your IP address. For greater anonymity, Tor Browser routes traffic through its network, sacrificing speed.
Privacy-focused alternatives : LibreWolf (derived from Firefox) removes telemetry and trackers by default; DuckDuckGo Browser blocks trackers, forces HTTPS, includes Duck Player and a Fire button to delete data in one click.
Recommended browsers and their strengths
Google Chrome
The most popular browser on the planet : a vast ecosystem of extensions, integration with Gmail, Drive, and Docs. It's fast and highly compatible, and stands out in JetStream. However, it consumes a lot of RAM , and its data policy doesn't prioritize privacy.
Why it's popular : simplicity, Google account synchronization, advanced PWA support, and good developer tools. What's less positive : high resource usage and dependence on the Google ecosystem.
Microsoft Edge
Based on Chromium and highly optimized for Windows 11. Fast in Octane, with tab suspension, efficiency mode, a full PDF reader, and Chrome extension compatibility. Includes Bing Chat with GPT-4.
The advantages : performance, a design consistent with Windows, and useful features (collections, vertical tabs, coupons). The disadvantages : increasingly numerous settings and high memory consumption under heavy load.
Mozilla Firefox
Independent of Chromium, open source, and managed by a foundation . It excels in security and privacy, with a polished interface, themes, and customization options. It uses its own engine (Gecko/Quantum).
Key advantages : blocking trackers, third-party cookies, site containers, and multi-device syncing. Weaknesses : in some benchmarks, it falls behind in speed under very heavy loads.
Opera
A classic with features not found in other browsers : a sidebar for messaging, an ad blocker, a built-in VPN , battery saving mode, and Aria AI . Compatible with Chrome extensions.
Pros : polished interface, productivity and privacy features, tab organization (workspaces). Cons : can be cluttered, higher resource consumption if you overuse extras, and starts automatically with Windows if not configured.
Vivaldi
Extreme customization for those who want everything exactly the way they want it . Based on Chromium, it offers tab stacking, gestures, themes, an integrated email and RSS client, and complete interface control.
Pros : good level of privacy, no dependencies on Google, ideas that improve daily use. Cons : so many options can be complicated for basic users; adequate performance but not the fastest.
Brave
Privacy from the start . Blocks ads and trackers by default, integrates IPFS and Tor windows. Offers BAT rewards for viewing privacy-friendly ads (optional).
The best : pages load faster by reducing scripts, clear security settings. The debatable : its proprietary ad system doesn't appeal to everyone and can clash with media outlets that don't use its network.
Chromium
The open-source base project without Google services allows users to avoid account synchronization and invasive features, but it lacks automatic updates and hardware acceleration in generic builds , impacting multimedia and video performance.
Ideal if you want the best of Blink without Google's layer and manage your own builds. Less convenient for users who prefer automatic configurations.
Tor Browser
The most private option when anonymity matters . It encapsulates your traffic within the Tor network, minimizing your digital footprint. The price to pay : lower speed and higher latency; some websites may fail if security is heavily reinforced.
Waterfox
A Firefox derivative, designed for older computers . No telemetry, lightweight, compatible with many extensions. Note : updates are not very fast and may occasionally have compatibility issues.
Free wolf
Privacy-focused hardened Firefox . Zero telemetry or services, blocks trackers, with default settings for maximum protection. Advantage : Works securely out of the box. Risk : May break features on some websites.
DuckDuckGo Browser
Absolute focus on privacy : blocks trackers, enforces HTTPS, includes Duck Player for ad-free YouTube, and a Fire button to instantly delete data. Currently in beta on desktop.
Maxthon
Browser with additional productivity features : ad blocker, password manager, cloud notes, and dual WebKit/Trident engine. Pros : very versatile. Cons : less popular and privacy concerns.
Yandex Browser
Chromium with improvements and added security : Turbo technology for slow connections, Kaspersky scanning, Opera extensions, and Chrome extensions for mobile. Pros : good protection; cons : concerns about its Russian origin and data policy.
Torch
On-demand multimedia within your browser : download videos, use the player and torrent client. Based on Chromium. Perfect if you manage a lot of audiovisual content.
Opera GX
The browser for gamers : limits resource usage to avoid interfering with gameplay, features a themed design, and integrates with Twitch and Discord. Ideal for gamers who want to personalize their experience.
Falkon
Lightweight and minimalist : with KDE origins, integrated ad blocker and PDF viewer. Ideal if you're looking for simplicity, speed, and compatibility with common websites.
Midori Browser
Very lightweight and focused on security , low RAM consumption, ideal for modest computers that need many tabs open without overloading the system.
Slim browser
Minimalist and practical : lower resource consumption, powerful ad blocker, and download manager. Ideal for those who prefer simplicity and efficiency.
Avast Secure Browser
Advanced security at the forefront : anti-phishing, ad blocker, banking mode, password manager, and integration with Avast Antivirus and VPN. Free and available on multiple platforms.
Safari (note for Windows)
Optimized for Mac , but not recommended for Windows : it stopped being updated in 2012, with no current patches or support.
Popularity: world and Spain
Globally , Chrome dominates with approximately 65–66% (StatCounter, April 2023), followed by Safari (~11%) and Edge (~11%). Firefox hovers around 6–7%, and Opera is close to 3%.
In Spain , the difference is even greater: Chrome surpasses 73%, Safari is around 15%, and Edge is around 3–4%. Behind them are Samsung Internet (~3%), Firefox (~2,7%), and Opera (~1,8%). In practical terms : Chrome dominates simply due to its large user base, but there's room for options that prioritize privacy or offer new features.
Which browser suits you?
Compatibility and performance : Chrome and Edge excel, Opera offers good performance with extras, Vivaldi excels in organization, Brave in script protection and speed by blocking, and Firefox in ethics and security. Choose based on your priorities.
Privacy and security : Firefox, Brave, LibreWolf, and Tor Browser lead the way in security. If you're looking for straightforward blocking, Brave is excellent. For greater anonymity : Tor Browser is the ultimate choice. For computers with limited resources : lightweight options like Waterfox, Falkon, or Midori.
Integrated tools and customization : Opera and Vivaldi offer many "all-in-one" features, Edge excels in productivity and PDF, Torch shines in audiovisual consumption.
Common problems and how to avoid them
High RAM and CPU usage : This could be due to too many tabs or large extensions, or excessive resource consumption by some extensions. The solution involves managing tabs, enabling sleep mode, and reviewing extensions.
Stay secure : Keep your browser updated to the latest version, use HTTPS, be wary of suspicious downloads, and protect yourself against trackers. In sensitive environments, opt for Firefox Advanced, LibreWolf, or Tor.
The best advice : try several browsers, evaluate which one works best on your computer and with your browsing habits. Personal experience will dictate which option you find most comfortable and efficient.