谷歌浏览器（google chrome）的缓存清理及性能优化是一个持续的过程，可以帮助提高浏览器的运行速度和效率。以下是一些操作方案：
一、清理缓存
1. 使用内置工具：
- 打开chrome://settings/clear browsing data，这个设置允许你清除浏览数据、cookies和其他网站数据。
- 选择“个性化”选项卡，然后点击“清除数据”。这将删除你的浏览历史、搜索记录、保存的密码以及下载的文件。
2. 手动清理：
- 在地址栏输入 `chrome:newtab/` 并回车，这将打开一个新标签页，显示所有已安装的扩展程序。
- 选择你想要卸载的扩展，然后点击右上角的垃圾桶图标来删除它。
- 对于每个扩展，重复上述步骤，直到所有扩展都被卸载。
3. 清理缓存文件：
- 打开一个不常用的文件夹，如桌面或下载文件夹。
- 找到名为 "google_chrome" 的文件夹，这是chrome浏览器的默认缓存目录。
- 删除该文件夹及其子文件夹中的所有文件。
二、优化性能
1. 关闭不必要的扩展：
- 打开chrome://extensions/ 查看所有已安装的扩展。
- 禁用那些你不使用的扩展，特别是那些占用大量资源或导致浏览器变慢的扩展。
2. 更新到最新版本：
- 访问chrome://version/ 查看当前版本号。
- 前往 google chrome web store 检查是否有可用的更新。
- 如果有更新，点击“更新”按钮进行更新。
3. 调整启动参数：
- 通过快捷键 `f11` 打开开发者工具。
- 在开发者工具的“控制台”选项卡中，输入以下命令来调整启动参数：
javascript
--disable-gpu
--enable-prefs=nodeIntegration=true
--enable-automation=true
--enable-logging=false
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