Defragments your Firefox "Places" database (history/bookmarks) This greatly reduces the lag while typing in the address bar and the start-up time. This extension features configurable automatic cleaning, periodic reminder, and internationalization. Firefox 専用 — 今すぐ Firefox をダウンロード
![Vacuum Places Improved :: Add-ons for Firefox](https://cdn-ak-scissors.b.st-hatena.com/image/square/69ec919c62be39a75b4d2efeeb7346ebcae80ae7/height=288;version=1;width=512/https%3A%2F%2Faddons.cdn.mozilla.net%2Fuser-media%2Fpreviews%2Ffull%2F36%2F36397.png%3Fmodified%3D1530208567)