Diigo is a handy tool for bookmarking, highlighting, and annotating web pages. It has many features, but its old design and limited highlight colors might make it less appealing. | One Sec is a browser extension designed to help you manage your time online by introducing a brief pause before accessing distracting websites. | |
Key Features A summary of the most important features offered by each extension. |
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Our Rating Tooltivity's expert review score for each extension, based on hands-on testing and research. | 7.8 | 8.9 Winner in this category |
Total users Total active users across all major browsers: Chrome, Edge, Firefox, and Safari. | 200,000 Winner in this category | 25,121 |
Total ratings Total number of user ratings received across all supported browsers. | 2,319 Winner in this category | 1,024 |
Average rating Average user rating across all browsers, calculated from available store ratings. | 4.6 ⭐ | 4.8 ⭐ Winner in this category |
Entry Level Price The minimum price required to start using the extension. "Free" means a free tier is available. | Free | Free |
Chrome User rating and stats for the extension on Chrome browser. | ![]() 4.6 3.56 Average Chrome Web Store rating from the last 100 reviews 200.0K+Users | ![]() 4.9 4.86 Average Chrome Web Store rating from the last 100 reviews 20.0K+Users Winner in this category |
Edge User rating and stats for the extension on Edge browser. | - | ![]() 4.9 4.86 Average Microsoft Edge Store rating from the last 100 reviews 3.6K+Users Winner in this category |
Firefox User rating and stats for the extension on Firefox browser. | - | ![]() 4.8 4.74 Average Mozilla Firefox Add-ons Store rating from the last 100 reviews 1.5K+Users Winner in this category |
Safari User rating and stats for the extension on Safari browser. | - | - |
Features Tooltivity's expert score for the 'Features' aspect of each extension. | 8.5 Diigo offers basic features for a highlighter and bookmarking tool. It works well and we were able to highlight most websites and they were recreated when revisiting them. The highlighter popup makes it easy to highlight text offering 4 colors. It looks like this: ![]() We would have wished to have more color options. Also, note-taking and the tagging functionality are working, but its design does not look appealing. ![]() The dashboard where your highlights are stored works well and gives you an overview of all your highlights. ![]() Winner in this category | 7.5 The core function that One Sec uses to make users more productive is a pause before opening the website. When I open websites I have defined, such as Twitter, a gray page with a countdown appears. During this period, I was reminded that I didn't want to spend so much time on Twitter and asked myself whether this was intentional or just a reflex out of boredom.
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Performance Tooltivity's expert score for the 'Performance' aspect of each extension. | 8.0 Diigo performs well in terms of highlighting and syncing across devices. The fact that highlights are always synchronized can cause some loading delays. It's not as fast as other highlighters that use an offline-first approach, but it works reasonably well. However, the unreliable link creation feature and the simple sidebar outliner design need improvement. | 9.5 In our test, we did not notice any delays or slowdowns due to the extension. Winner in this category |
Design Tooltivity's expert score for the 'Design' aspect of each extension. | 7.0 The design fulfills its functionality. The design of Diigo is outdated and could use a modern refresh. The lack of a nice overview of all your highlights on the page itself means you have to open the dashboard on diigo.com instead. The dashboard on diigo.com is okay, but other highlighters like Web Highlights have a much nicer user interface. | 8.0 The user interface is clean and minimalist, and this also applies to the setup and settings. The extension offers an effective use of visual elements for taking a break by displaying a preset screen with a countdown. There would be potential for improvement here if the screen could be customized. Winner in this category |
Value for Money Tooltivity's expert score for the 'Value for Money' aspect of each extension. | 8.0 The free version of Diigo offers basic features and is fine for most users. The paid plans are reasonably priced and similar to other highlighters. However, we think other highlighters offer more value for the same price. | 9.2 The browser extension is completely free of charge. However, you only get a small number of functions. For anyone who only needs the basic function, this is unbeatable value for money. OneSec also offers an app with additional functions. At $4.99/month or $49.99/year, it also has a good price-performance ratio. Winner in this category |
Ease of Use Tooltivity's expert score for the 'Ease of Use' aspect of each extension. | 7.8 Diigo is fairly easy to use, but the sidebar outliner takes some time to get used to. You can't see all your highlights on the page itself, so you have to go to the dashboard on diigo.com. We wish there was a sidebar to quickly access all our highlighted pages, like in the Web Highlights extension. | 9.5 The installation process was quick and straightforward. This also includes the setup, which is very intuitive with clear step-by-step instructions. Everything is also well explained in the settings menu afterward, so everyone should be able to find their way around. ![]() Winner in this category |
Security & Privacy Tooltivity's expert score for the 'Security & Privacy' aspect of each extension. | 7.5 Diigo takes reasonable steps to protect user data. However, since you need an account and your data is stored in their database, absolute protection can't be guaranteed. We think a highlighter should work without needing to sign up, but this feature is missing in Diigo. | 9.5 Data usage is described transparently in the privacy policy, which places great value on user privacy. Winner in this category |
Conclusion A summary of our findings and final thoughts for each extension. | Diigo is a handy tool for collecting stuff from the web, like bookmarks, highlights, and notes.
| One Sec is a tool that encourages mindful browsing by introducing a pause every time you want to access a distracting website. |
Our Recommendation | In our comparison between Diigo and one sec, one sec came out on top, scoring 8.9. Diigo is the most widely used, with over 200k users and 2k+ reviews, but one sec outperformed it in our review. User reviews for one sec reflect our findings, while we rate Diigo lower than users do. Notably, one sec has the highest user rating in the Chrome Web Store at 4.85, which supports its strong performance in our review. There are some noticeable differences between these extensions, so it's worth considering your priorities and the details below.
If you want a quick recommendation, one sec is our top pick. But as always, the best choice depends on what matters most to you. |