SiteBlock

Name: SiteBlock
Rating: 4.34 (929 reviews)
Author: Costa

Block sites to discourage procrastination

As of June 2026, SiteBlock has 80,000 users and a 4.34/5 rating from 929 reviews in the Workflow & Planning category.

Costa Workflow & Planning★ Featured

Chrome Web Store ↗.crx

Users0%

80.0K

80,000

Rating0%

4.34

929 reviews

Reviews0%

929

Version

0.3.1

Manifest V3

90-day change · In the last 90 days this extension 1 version update.

History

6 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	80.0K	4.34	929	0.2.9
Apr 16, 2026	80.0K	4.34	929	0.3.1
Apr 20, 2026	80.0K	4.34	929	0.3.1
May 9, 2026	80.0K	4.34	930	0.3.1
May 20, 2026	80.0K	4.34	929	0.3.1
May 30, 2026	80.0K	4.34	930	0.3.1
Now	80.0K	4.34	929	0.3.1

Changelog

Apr 1, 2026

description

Find yourself visiting websites unrelated to your current task, even without thinking? Place a barrier in your way by blocking the sites with SiteBlock.

Set the list of sites in the Extension Options. Access it through the Chrome menu, under  Extensions -> Manage Extensions -> SiteBlock -> Details -> Extension Options. 

Changelog:
  - 0.2.9 - add example of how to block just x.com (//x.com)
  - 0.2.8 - more fixes for "Unblock for" - thanks keroberotte!
  - 0.2.7 - fix "Unblock for" feature broken by Manifest v3 upgrade.

Find yourself visiting websites unrelated to your current task, even without thinking? Place a barrier in your way by blocking the sites with SiteBlock.

Set the list of sites to block in the Extension Options. Access it through the Chrome menu, under  Extensions -> Manage Extensions -> SiteBlock -> Details -> Extension Options. 

Changelog:
  - 0.3.1 - improve look of settings page
  - 0.3.0 - option to use Chrome sync storage to sync settings across devices
  - 0.3.0 - first dot and asterisk in an entry was handled differently than subsequent ones. Now all dots and asterisks in an entry are handled the same way. 
  - 0.2.9 - add an example of how to block just x.com (//x.com)

Permissions & access

Permissions: alarmsoffscreenstoragetabs
Host access: None declared

Screenshots

About

Find yourself visiting websites unrelated to your current task, even without thinking? Place a barrier in your way by blocking the sites with SiteBlock.

Set the list of sites to block in the Extension Options. Access it through the Chrome menu, under  Extensions -> Manage Extensions -> SiteBlock -> Details -> Extension Options. 

Changelog:
  - 0.3.1 - improve look of settings page
  - 0.3.0 - option to use Chrome sync storage to sync settings across devices
  - 0.3.0 - first dot and asterisk in an entry was handled differently than subsequent ones. Now all dots and asterisks in an entry are handled the same way. 
  - 0.2.9 - add an example of how to block just x.com (//x.com)