There are two main ways to block a site on Chrome:

1. Using a Chrome extension

There are many different Chrome extensions that can be used to block websites. Some popular options include:

• BlockSite
• AdBlock Plus
• StayFocusd
• Freedom

To block a site using a Chrome extension:

1. Go to the Chrome Web Store and install the extension of your choice.
2. Once the extension is installed, open its options page.
3. On the options page, add the URL of the site you want to block to the blocklist.
4. Click Save.

2. Using Chrome’s built-in blocking feature

Chrome also has a built-in blocking feature that can be used to block websites. To use this feature:

1. Open Chrome and go to the Settings page.
2. Click on Privacy and security.
3. Click on Site Settings.
4. Click on Blocked sites.
5. Click on Add a site.
6. Enter the URL of the site you want to block and click Add.

Once you have blocked a site using either of these methods, you will not be able to access it in Chrome.

Please note that blocking a site will only prevent you from accessing it in Chrome. If you want to block the site on all of your devices, you will need to use a different method, such as blocking the site at the router level.