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If you have a lot of content heavy webpages open in Firefox, it soon adds up on memory usage. The BarTab extension puts unused tabs on hold and keeps them unloaded until you are ready to access them.
如果您在Firefox中打開了大量內容繁重的網頁,那么很快就會增加內存使用量。 BarTab擴展將未使用的選項卡置于保留狀態,并使其卸載,直到您準備好訪問它們為止。
Before
之前
When you have a few tabs open things are not so bad. But if you have something like 30+ tabs open then Firefox is definitely going to have a much larger memory footprint. For the moment all six tabs are active in our example…
當您打開幾個選項卡時,情況還算不錯。 但是,如果打開了30多個選項卡,則Firefox肯定會擁有更大的內存。 目前,在我們的示例中,所有六個選項卡都處于活動狀態…

After
后
Once the extension is installed you can see quite a difference in the tab bar. Five of the six websites are literally on hold and display as about:blank.
安裝擴展程序后,您會在選項卡欄中看到很大的不同。 六個網站中的五個實際上處于保留狀態,并且顯示為about:blank。

In the screenshot above all six tabs were restored from a previous session, but to put new tabs on hold the preferences will have to be modified.
在上面的屏幕快照中,所有六個選項卡均從上一個會話中還原,但是要保留新選項卡,則必須修改首選項。

Notice that you can have active tabs placed on hold if you do not access them within a set time (“x” seconds, minutes, hours, or days). You may also add your favorite websites as exclusions.
請注意,如果您未在設定的時間(“ x”秒,分鐘,小時或天)內訪問活動標簽,則可以將它們置于保留狀態。 您也可以將自己喜歡的網站添加為排除對象。

Newly opened tabs can now be placed on hold until you are ready for them.
現在,可以將新打開的選項卡置于保留狀態,直到準備好使用它們為止。

Need to place a currently accessed tab on hold? Use the tab context menu to unload the page.
是否需要保留當前訪問的標簽? 使用標簽的上下文菜單卸載頁面。

Once you use the tab context menu to place a tab on hold your browser will shift over to the closest active tab.
使用選項卡上下文菜單將選項卡置于保留狀態后,瀏覽器將切換到最近的活動選項卡。

You will notice the difference in memory usage when you put a lot of intensive pages on hold.
當您擱置大量密集的頁面時,您會注意到內存使用的差異。
![sshot-2010-05-23-[03-59-10] sshot-2010-05-23-[03-59-10]](https://img-blog.csdnimg.cn/img_convert/3a38f886abdf795cf321a5da113487d6.png)
Conclusion
結論
If you keep a high number of content heavy webpages open in Firefox then the BarTab extension will help reduce memory usage while browsing.
如果您在Firefox中打開大量內容繁重的網頁,則BarTab擴展程序將有助于減少瀏覽時的內存使用量。
Links
鏈接
Download the BarTab extension (Mozilla Add-ons)
下載BarTab擴展(Mozilla附加組件)
翻譯自: https://www.howtogeek.com/howto/17713/put-unused-tabs-on-hold-in-firefox/
火狐標簽在中間