To access the Task Manager, open Chrome, select the three dots at the upper-right, then select More tools > Task manager. In the Task Manager window, you can see which apps are consuming the most CPU or memory on your Chromebook. If you see any apps here that are a culprit, uninstall them to free up your Chromebook resources and improve performance. Use online speed test services by opening your Chrome browser and visiting any of the top network speed tests services. Run these tests to confirm your internet speed is what you expect. The best of these services include Speedtest.Net, TestMy.net, or Speedof.me. If you want to monitor your network speed on an ongoing basis, you could install Chrome OS apps from the Chrome Web Store. These apps let you check your network speed from inside the browser. The best apps include SpeedTest, OpenSpeedTest, or Ookla Speedtest. If you discover your network is the issue, check your router or contact your ISP to troubleshoot your internet connection. Most Chromebooks come with 16 GB to 32 GB of local storage. It doesn’t take very long for downloads and other files to fill up that space without you realizing it. There are a few ways you can resolve this.
Add an SD card to your Chromebook if it has an SD slot (most do). Change your file download location to cloud storage instead. Frequently delete files stored in your local storage location
When you turn on page prefetching, Chrome will search through the page you’ve opened for any links, and it’ll cache the web pages that any of the links on the page link to. If you tend to browse the internet by clicking on links from one page to the next, this can enhance your browsing experience. To set this: Because not all extensions are created efficiently, poorly programmed (or malicious) apps can cause your Chromebook to slow down. This is why it’s always a good idea to scan through all of your installed Chrome extensions and clean them up. To view and uninstall Chrome apps or extensions, open your Chrome browser and type chrome.google.com/webstore/ into the location field to open the Chrome Web Store. At the top of the window, select the gear icon > My Extensions & Apps. This page will show all extensions and apps that you have installed. If you see any apps or extensions that you don’t use anymore, select Remove from Chrome. Flash has been a security concern for Chrome for some time, and because of this, Google is disabling Flash support in Chrome. You can take this a step further by disabling Javascript as well. To Enable hyper-threading, open Chrome and type chrome://flags#scheduler-configuration into the location field. In the dropdown to the right, change Default to Enables Hyper-Threading on relevant CPUs. To enable this experimental feature, open Chrome and type chrome://flags#GPU rasterization into the location field. To enable this feature, change the dropdown to the right from Default to Enabled.
