The short answer

First compare another website and another browser. If only Chrome is slow, save your work, update it, reduce open tabs, and test optional extensions one at a time. Clearing every cookie or resetting the browser should come later, with a clear reason.

Before you begin

Closing tabs or ending browser tasks can discard unsaved forms and documents. Clearing cookies signs you out of websites and may remove site preferences. Make sure you can sign back in before deleting site data.

1. Decide what is slow

Notice whether a page takes a long time to download or whether Chrome’s own tabs, menus, and typing respond slowly. If every browser waits on pages but offline applications feel normal, investigate the connection. If the entire PC is sluggish, browser cleanup may address only part of the issue.

Try two familiar sites and one other installed browser. If only one website is slow in both browsers, the site or your route to it may be responsible. Repeatedly reinstalling Chrome is unlikely to help that situation.

  1. Save an unsent message, form, or web document before you begin.
  2. Record whether the slowdown starts immediately or appears after opening a particular site.

2. Restart and update Chrome

Use Chrome’s three-dot menu > Help > About Google Chrome to check for updates, then relaunch when prompted after saving work. A pending update is one reason to restart the browser deliberately instead of leaving the same session running indefinitely.

Close tabs you are not using, particularly active video, game, and dashboard pages. Bookmark pages you need later. Having a page open does not automatically make it harmful, but reducing the workload creates a cleaner comparison.

  1. Restart the computer if Chrome still feels slow and the PC has been running for a long time.
  2. Reopen only the tabs needed for the test, rather than restoring the entire previous session immediately.

3. Test extensions with a repeatable task

Open the three-dot menu > Extensions > Manage Extensions. Review optional add-ons you recognize and temporarily switch off a small group, then repeat the same task. If performance improves, re-enable them individually to identify the contributor.

Keep a note of what you changed. A password manager, accessibility tool, or workplace extension may be important to your normal workflow. Do not remove unfamiliar managed software on a work computer; send the observations to IT.

An Incognito comparison can offer a clue because extensions generally do not run there unless permitted. It is not a definitive extension test: sign-in state, cookies, and site behavior also differ in that window.

4. Use resource information carefully

Chrome has its own Task Manager under More tools. It can help identify a specific tab or extension consuming resources. Sort by memory or processor activity, then compare the result with what you are actually running. High memory use by itself does not establish a fault.

End a task only if you understand what will close and have saved its work. A video editor or complex document can reasonably use more resources than a static page. The useful question is whether one task explains the slowdown and whether closing it changes the result.

5. Keep cleanup targeted

If one website alone behaves incorrectly, its own site data may be a better target than deleting all browsing data. Check that you know your login and have saved any offline work before removing data. General browsing-history deletion is not a universal performance fix.

Leave a full browser reset or profile replacement until smaller tests identify a browser configuration problem. Read the official reset explanation first so you know which settings and extensions will change. Avoid optimizer extensions and downloads advertised as mandatory speed fixes.

If the same sites are slow in every browser, use our internet guide. If browser controls remain sluggish with few tabs and optional extensions disabled, gather the Chrome version, operating system, affected sites, and comparison results for further diagnosis.

Sources and further help

Official documentation used to check the guidance. Menu names and options can vary by device and software version.

Spot an error or an outdated step? Tell the editor. Please never send passwords or private files.