When I switched from Chrome to Firefox a few years ago, one thing surprised me: Firefox has better extension support for new tab customization.
This isn't about which browser is "better." It's specifically about what happens when you install a new tab extension.
Why This Matters for Extensions
Chrome's Manifest V3 impact: Chrome's extension platform changed significantly with Manifest V3. Extensions have more restrictions around background scripts and network requests. New tab extensions generally still work, but some categories of extensions (like ad blockers) became less capable.
Firefox's extension ecosystem: Firefox maintained stronger Manifest V2 support longer and has been more explicit about preserving extension capabilities. uBlock Origin, for example, works at full capability in Firefox in ways it doesn't in Chrome's Manifest V3 environment.
For new tab extensions specifically, this doesn't matter much day-to-day. But it's the broader context for why Firefox's extension ecosystem has attracted developers who care about functionality over restrictions.
New Tab Extensions: Chrome vs Firefox
For Chrome:
- Large ecosystem on the Chrome Web Store
- Many free tiers with paid upgrades (Momentum has a free version, premium is $3.33/mo)
- Some extensions are heavy (Momentum loads slowly on older hardware)
For Firefox:
- Smaller but focused ecosystem on addons.mozilla.org
- More extensions that are genuinely free and open source
- Review process is different (Mozilla reviews all extensions)
Specific Comparison: Weather + Clock New Tab Extensions
Chrome options:
- Momentum — popular, beautiful, but weather is behind a premium paywall
- Personal Start — cleaner design, limited free weather
- Various smaller extensions with mixed update histories
Firefox options:
- Weather & Clock Dashboard — free, weather + clocks + search bar, MIT license
- Tabliss — highly customizable, but weather widget is basic
- Various simpler options without full 3-day forecasts
What Weather & Clock Dashboard Does That Chrome Equivalents Don't (Free)
On Chrome, getting a full 3-day weather forecast in a new tab extension for free is surprisingly hard. Momentum charges for weather. Personal Start's free tier is limited. Many alternatives just show temperature without a forecast.
Weather & Clock Dashboard (Firefox) includes:
- Current weather with conditions
- 3-day forecast with daily highs/lows
- Multiple world clocks
- Search bar
- Dark/light mode
All free. No premium tier. MIT open source.
The Privacy Angle
Firefox has a stronger privacy reputation, and new tab extensions fit into that:
- Weather & Clock Dashboard uses browser geolocation (your browser controls this, you can deny it)
- No account required
- No data stored by the extension
- Source code is public
Chrome new tab extensions tend to be more opaque about data handling. Some collect browsing data as part of their business model.
Practical Recommendation
If you're on Firefox and want weather + clocks on your new tab, Weather & Clock Dashboard is a clean, free option. Install from addons.mozilla.org/en-US/firefox/addon/weather-clock-dashboard/.
If you're on Chrome and want something comparable, Momentum's paid tier is the benchmark, but it costs money for the weather feature.
The gap between Firefox's free ecosystem and Chrome's paywalled features for new tab weather is real, and it's one place where Firefox's extension approach actually benefits users concretely.
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