SearchSuite is a userscript that provides user control over search results: it can strip them down to a single-spaced list, sort, and more. Most of its features are presented as menu item toggles to turn each feature on/off. Each menu-item-controlled feature works on the output of all the others, in both their on and off states. Feedback and feature suggestions welcome.
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Wikipedia:Typo Team/moss just got a fresh batch (from the July 20, 2018 database dump) of articles with misspelled words, and words missing from Wiktionary. Stop by and experience the satisfaction of fixing all the misspellings in an article on the topic of your choice!
This gadget option (for Vector skin) shows the desktop page in a mobile view sidebar while browsing the desktop site.
Enable this mobile view in your Gadgets section of your Preferences. Check on (Y) the box for: Mobile sidebar preview - Show page in mobile view while browsing the desktop site, then scroll to bottom of page and save your changes.
There is a Smartphone shaped icon located in the top bar of tabs. Press the Smartphone icon to toggle the mobile view on and off. The expanded screenshot here is highlighted with a red box and arrow for illustrative purposes.
You can turn off the mobile view by pressing the white-X in the black button at the bottom of the Smartphone frame. The Smartphone frame includes its own scrollbar independent of the Desktop scrollbar.