When comparing Safari vs Vivaldi, the Slant community recommends Vivaldi for most people. In the question“What are the best desktop web browsers?” Vivaldi is ranked 7th while Safari is ranked 27th. The most important reason people chose Vivaldi is:
Tabs can be grouped under a single tab to easily keep track of all open webpages.
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Pro Works elegantly in OSX
The rendering of the pages and the browser compatibility with OSX works smoothly, when compared to other browsers. Also you get very high battery life with Safari, when compared to Chrome.
Pro Extremely fast
Pro Sleek design
– No distraction stuff like favicons in tabs, all that borders, bevels and embosses in panels like in other browsers, no ugly shaped tabs.
– Neat adress bar.
– Good looking start “show all tabs” screen.
Pro iCloud syncing
Tabs, passwords, bookmarks and, history all sync across devices.
Pro Safari uses Webkit, a great open source web engine
Webkit is very light compared to Blink, renders web pages at an incredible speed, great CSS support and is also constantly evolving.
Pro Tabs can be stacked
Tabs can be grouped under a single tab to easily keep track of all open webpages.
Pro Compatible with most Chrome extensions
Since Vivaldi is built on Chromium, the same base as Chrome (among other browsers) is built on, it was possible for Vivaldi developers to allow Chrome extensions to run in their browser.
Pro Lots of features and customizability
Vivaldi has a lot of features and customizability. Far more then most (perhaps all) other browses, and many to list them all individuality as separate pros.
Pro Ability to search through settings, history, open tabs, bookmarks in one place
A feature called Quick Commands (accessed via Ctrl + Q) allows quickly getting to settings, history, open tabs, bookmarks with incremental search.
Pro Full of customizable keyboard shortcuts (can be completely keyboard-driven)
It's possible to change and add keyboard shortcuts for basically all commands. It also has single key shortcuts to execute actions with one click.
Pro PC Cross-platform
Vivaldi is available on Windows, GNU/Linux and macOS, so it covers the most used PC operating systems.
Pro Web Panels
Web Panels allow for easy access to any site from the side panel. They are useful for reading two websites side by side or for chatting (i.e. Facebook) and surfing at the same time. Panels can be hidden when not in use.
Pro Mouse gestures
Integrated mouse gestures. Fully configurable as of Vivaldi 1.2 (snapshot available now). Allows for navigating the web, switching tabs, closing windows, opening settings etc. with a flick of the mouse.
Pro Programmable user interface
Pro Built-in page capture
Vivaldi can grab a picture of the whole webpage or part of it and saves it automatically inside a note or as a file in your disk, or in your elected directory. But I have problems with images of full windows shown on monitor (using X Window System in GNU/Linux). Here I use system XWindow screenshots.
Pro Tab behaviour can be customised
The order you toggle, open, close or clone tabs can be modified to match a workflow that best works for you. For example you can choose tabs to toggle in recent order so you can go back and forth between the last most useful tabs without needing to change their position on the tab bar.
Everything can be synced with a Vivaldi account. Though there's still no mobile version, you can sync between computers and OSes.
A notes panel allows to save notes from webpages and can include screenshots for reference and have tags and organized in folders to help manage them. Thumbnails are too small and Notes do not have separate page in settings, but it should, there are a lot of things to improve.
Pro Reader mode
Vivaldi has a built-in reader mode so you can remove all the clutter in news pages and read only the content, you can also customise the reader mode, like font size, style and colours.
Pro Analytical history
View graphically your most visited pages on a monthly, weekly, or daily basis.
Pro Non-closable fixed tabs
A setting lets you prevent closing fixed tabs so you don't close anything important by accident.
Pro Custom search engines
You can add as many search engines as you like. For example you can set up one for YouTube, one for Wikipedia, or whatever you want: you need only the URL of the search and it can be used from the URL bar (by prefixing it's nickname,
yt for YouTube for example).
Pro Cross browser extensions with Opera and Chrome, Firefox web-ext's too
All Vivaldi, Opera and Chrome users can get extensions from all extension/addon sites, especially from Opera Addons and Chrome Store.
Pro Tab bar position can be changed
You can change tab bar position to top, bottom left or right.
Pro Manages bookmarks well
Vivaldi has an excellent bookmarks system. Bookmarks can be easily accessible via Speed Dial, side-bar, bookmarks bar, quick commands. No more messy bookmarks bar is needed and location bar suggestion is improved thus!
Pro Dark theme out of the box
There's even an option to automatically transition from light to dark based on the time of day.
Pro Allows navigating to the next page without searching for the link
A feature called "fast forward" puts a dedicated button before the address bar. It takes you to the next page of a multi-page article, forum thread, or search results, without having to hunt for the link.
Pro WebRTC IP leaking can be disabled
A built-in setting called "Broadcast IP" will stop the IP leaking with WebRTC when disabled.
Pro Saving sessions
It saves oversights many options and functions implemented in Vivaldi. E.g. see CON "No option to open saved tab stack as... tab stack!"
Pro Usable fullscreen mode with address bar when needed
In comparison, on Chrome you will not see the address bar, only on ChromeOS when your mouse is on the top of the screen.
Pro Updates via dialog box
Unlike most modern browsers (but like most browsers of yesteryear), Vivaldi gives you a dialog box when an new version comes out; it doesn't just update silently in the background. The dialog box tells you about the changes that have been made, and lets you chose when you want to update.
Pro Portable version can be added on default apps
Most portable version cannot be added as default apps but Vivaldi offers that option and it comes with updater too.
Pro Fast and safe
It is so faster and safer.
Pro Customizable UI
Vivaldi can change the colors across the browser and has the option to change the color automatically depending on the page. Also, page loading animations are available in the address bar.
Pro Side panel and status bar
Unlike most modern browsers (but like most browsers of yesteryear), Vivaldi has a status bar. But the status bar is optional, you can turn it off (in the settings) if you don't want it. Vivaldi also has a side-panel, which again, can be turned off.
Con OSX only
Apple dropped Windows support after Safari 5.
While Safari er is currently available gratis (without monetary charge) on Mac OS X, it is currently not libre (meaning that it does not allow users to view the source code used to create, to modify that code, or to redistribute modifications) and is therefore neither free nor open-source software.
Con Poor support for new web technologies
Safari usually takes its time when it comes to adopting new and useful web technologies meaning that the user gets an inferior experience compared to other modern browsers.
Con Outdated Rendering engine
All other browsers and toolkits (Qt/GTK) have shifted to Googles Blink-fork of KHTML/Webkit so Apple is currently the only main contributor left.
Con Terrible support for open source formats like .VP9 or .ogg
Apple does not support open source formats. Instead, they use H.264 and H.265.
Con Not available on the iPhone
There is an Android version Vivaldi, but no iOS version. iPhone and iPad users are out of luck.
Con Freezes often
Con Can't protect pinned tabs from changing to another URL
Clicking on a page link, then another, easy to wind up far from the original pinned tab site. There is no chrome addon or native vivaldi function to stop this.
Con Can't disable all spyware features
Con Advertisements in the bookmarks
By default: Vivaldi has a number of websites (such as Amazon) already bookmarked. New bookmarks may be added to the speed-dial when the browser updates. These bookmarks can be deleted, same as any other bookmark, but that will not stop new bookmarks form being added.
Con No guarantee that you won't lose your session
The browser window may freeze at any time, and you lose all your progress, open windows, and session without an option to restore it next time you open your browser.
Con Same security-holes as Chrome
Vivaldi uses the same browser engine as Chrome, meaning it has the same security-holes as Chrome. Chrome is a big target for hackers (being the most popular browser in the world), and a webpage that will hack Chrome may also hack Vivaldi.
Con No automatic page translation
Unlike Chrome, it doesn't automatically translate pages that are not in your language.
Con Extensions miss hotkeys
You can set your shortcuts at vivaldi://extensions, but they do not work.
Con Developers do not care for your privacy
Con Still dependent on Google
Con Feature creep
Con No silent background updates
Unlike most modern browsers, Vivaldi doesn't have the option to update silently in the background. It gives you a dialog box when an update comes out. Worse, the box doesn't warn you that not updating the browser could lead to security risks. That could be pretty bad for your average joe, who doesn't know computers that well.
Con No option to open saved tab stack as a tab stack
You may save stack, but you can open it as separate tabs. Interesting that when you save session with stacks, you'll be able to open the stacks with inner settings of page tiling (size and zoom) as well. Contradiction worth of shame.
Con No touch bar support
While Vivaldi is currently available gratis (without monetary charge), it is currently not fully libre (meaning that it does not allow users to view the source code used to create, to modify that code, or to redistribute modifications) and is therefore neither free nor open-source software.
The C++ source code however is open-source under a BSD license and can be downloaded and browsed from here.
The UI code though is not open-source, but it's easily readable as it's HTML, CSS & JS. Modifications can be shared as their forum even has a dedicated section.
Con No built-in proxy
Unlike Opera (but like most browsers), Vivaldi doesn't have a proxy service out of the box. You'll need an extension or an external program, to use Vivaldi with a proxy server.