»Technical toss»The 23 about: config optimization techniques of Firefox that cannot be missed
Everyone who uses Firefox should know that when you enterabout:configGo to the address bar of Firefox and you will be prompted with some things you are afraid of, but the most fascinating thing about Firefox is that it is here to improve and speed up the browser.This is our favorite technique in Firefox about: config. It's easier to make technology here.
How to access the "about: config" page
Enter in Firefox browserabout:configGo to the address bar.
You will be shown this warning page.Click the "I accept the risk!" button, and you will arrive at about.
You will see a long list of configuration items.If you are looking for a specific one, you can directly enter its name in the "Search" column above the list.
To switch between different functions and close them, just double-click their works under the "Value" column as "true" and "false".In some cases, the value field will have multiple overrides
Now, let's begin.
1. Change the download address of Firefox
By default, Firefox is downloaded to the "Download" folder of Windows, but you can change thisbrowser.download.folderList
Default: 1 Modify value：
0 - Save all downloads to the desktop
2 - Save to the same location as the previous download
2. Someone asked you where you want to save each download
If you want to have more direct control over your downloads, and decide which directory to save each one in, change the prioritybrowser.download.useDownloadDirIs "false".
Default：ture Modify value: false - prompts you where to save each download
3. Open the new tag search box results
By default, search for things that are open in the Firefox search box on the current tab.To open in a new label, the system will need to modifybrowser.search.openintab。
Default: false - open search results in the current tab Correction value: ture - Open the search results of a new tab
4. Change the number of rows and columns in Firefox's new tab
Firefox's new tab organizes all your favorite and most likely accessible websites in a convenient grid.The most important thing is that you can adjust the size of the network. Therefore, although its 3 × 3 thumbnail is by default, you can thank changing its preferences of browser.newtabpage.rows and browser.newtabpage.columns.
Default: 3 "rows," 5 "columns" Modify value: Any number you like!
5. Turn off unnecessary animations
Firefox animations are flashy, firey and cunning, but they can also be a burden on old computers.Here are two key animations you need to modify to speed up the browser:
Browser.tabs. animate: set to "false" to close
Browser. fullscreen. animate: set to "false" to close
6. Adjust the number of suggestions for smart address bar
In Firefox, when you type in the starting location (or URL) column, a drop-down list of suggested sites will be displayed.If you want it to display more (or less) than a dozen suggestions, you can adjust the browser.urlbar.maxRichResults key and get it to display the number you want.
Default：10 Modify value: Set to several suggestions you want.If you want to disable it completely, set it to - 1.
7. Adjust the session restore frequency conversion energy saving
Firefox saves your session every 15 seconds by default, but you can change the value of browser.sessionstore.interval, so that Firefox will save the session in a long time interval.
Default: 15000 (in milliseconds, equivalent to 15 seconds) Modify value: Set it to the value you want.1000 means 1 second, and 60000 means 1 minute.
8. Extended script execution time
After the script in Firefox only provides a response of 10 seconds, it will issue a no response script warning.If you have a slow network connection, you may need to increase the script execution time to reduce the frequency of no script warnings through dom.max_script_run_time.
Default: 10 (seconds) Modify value: 20, or any value greater than 10
9. Process JavaScript pop-up
When you encounter the execution of a javascript, in the part of the new window opening function, if the pop-up window does not have all the common window functions, such as forward/backward/reload buttons, status bar, etc., Firefox will automatically regard it as a pop-up window and will not open it as a new label.However, if you find this is a nuisance, you can open all new windows of the new tab by specifying its browser.link.open_newwindow.restriction setting.
Default: 2 - Open all JavaScript windows. You can use Firefox to process new windows, unless JavaScript calls specify how to display the window in the same way Modify value：
0 - Open all links How you use Firefox to handle new windows
1 - Do not open any new windows
2 - Open all links You use Firefox to process new windows, unless you use Javascript to specify how to display windows
10. All text fields with spell check enabled
The default spell check function is only available for multiline text box checking.You can change the option layout.spellcheckDefault to get a single line text box. It is better to check the spelling.
Default: 1 (unique multiline text box for spell checking) Modify value：
0 - Disable spell checking
2 - All text boxes with spell checking enabled
11. When lower memory usage is minimized
This adjustment is mainly for Windows users.When Firefox is minimized, it will send Firefox to your virtual memory and free your physical memory for other programs to use.When you minimize Firefox will reduce its physical memory usage, about 10MB (give or take some). When you maximize Firefox will reclaim memory, it needs.
The preference name does not exist and needs to be created.
Right click the background and select New ->Boolean
Enter the name when prompted: config.trim_on_minimize
When the page is loaded, Firefox caches it to the hard disk, so that the next download of the file does not need to be loaded.Larger to meet your Firefox storage size, the more pages it can cache.
Before increasing the size of the disk cache, make sure that browser.cache.disk.enable is set to "true".
Configuration name：browser.cache.disk.capacity Default: 50000 (in KB) Modify value：
0 - Disable Disk Cache
Any lower value below 50000 reduces disk cache
Any value above 50000 increases disk cache
14. Select all texts when you click the address bar
Firefox highlights on Windows and Mac when you click all text on the address bar.Not all text is selected in Linux.Instead, it places the insertion point at the cursor.Regardless of the platform you are using, you can now adjust browser.urlbar.clickSelectsAll or select all or place the cursor at the insertion point.
Modified value：
False - Place the cursor at the insertion point
True - Select all text
15. Same zoom level for each site
Firefox remembers that your multiplier priority is for each site, and sets it as your preference as long as you load the page.If you want the zoom level to be consistent from site to site, you can switch the value browser.zoom.siteSpecific from "true" to "false".
Default：ture Correction value: false (allow the same zoom preference for each site)
16. Set your zoom limit
If you find that the maximum/minimum zoom level still cannot meet your observation, you can change the zoom limit to meet your viewing habits.
Configuration name：zoom.maxPercent Default: of 300 (%) Modify value: Any value higher than 300
Configuration name：zoom.minPercent Default: 30 (%) of Modify value: Any value
17. Configure your backspace key
In Firefox you can get it either back to the previous page, or if it is a website scroll up scroll page set backspace key for better use.Press and holdShift key, if the value is set to 0, as a modifier, it will march forward to a page, if the value is set to 1, it will scroll down.
Configuration name：browser.backspace_action Default: 0 - Return to a page Modified value: 1 - Scroll page up
18. Add offline cache
If you are not online most of the time, you may want to increase offline cache so that you can continue to work offline.By default, Firefox's cache comes from 500MB of data that supports offline network applications.You can change the amount you want to pay for this value.
Configuration name：browser.cache.offline.capacity Default: 512000 (in KB) Modify value: Any value higher than 512000 will increase the cache value
19. Prohibit delay time when installing additional components
Every time you install a Firefox plugin, you will have to wait a few seconds before the actual installation starts.To reduce the waiting time, you can turn off the priority security.dialog_enable_delay, so the installation will start immediately
Default: 1000 (in milliseconds) Modify value：
0 - Start installation now
Any other value (in milliseconds)
20. View the source file in your favorite editor
This is useful for developers who have been using the View Source function.This adjustment allows you to view the source code of a given website in an external editor.
There are indications that two configurations are required:
Configuration nameview_source.editor.external Default：false Modify value: true (use an external text editor to enable the view source)
Configuration nameview_source.editor.path Default: Blank Correction value: The inserted file path editor is here
21. Add "Save Target As" timeout value
When you right-click and select "Save Target As...", the browser will deploy the header from the URL request to determine the file name.If the URL does not deliver the header within 1 second, Firefox will issue a timeout value.This will be a slow network connection environment that occurs very frequently.To prevent this problem from happening frequently, you can increase the timeout value and edit it to reduce the possibility of timeoutBrowser.download.saveLinkAsFilenameTimeout
Default: 4000 (4 seconds) Modify value: Any value higher than 1000 (value is in milliseconds)
22. Auto hide toolbar in full screen mode
In full screen mode, the toolbar is set to be automatically hidden. When you hover over it with your mouse, it will appear.If you want, you can select the value switch that has its obvious all the time, instead ofbrowser.fullscreen.autohideAlways show toolbars for false.
If you go to "Tools ->Add ons ->Get Add ons" and execute a search, Firefox will display 15 matching results.If you want more or less results here, you can adjust extensions.getAddons.maxResults.
Default：15 Modify value: more than or less than 15
