Ka-Block!

A Safari browser extension that blocks an artisanal selection of advertisements and trackers for a faster web.

Ka-Block! iPhone app
Download on the App Store

Use battery life for browsing, not tracking your behavior.

Many sites use third-party scripts to track your behavior across the web. This requires an enormous number of requests, which drain your phone’s battery.

211
59

theverge.com

264
82

businessinsider.com

339
155

cnn.com

263
159

huffpost.com

212
142

nytimes.com

Requests per page before and after blocking

Browsing the web doesn't need to be slow.

Advertisements are not optimized for the mobile web. They consume a huge amount of bandwidth, causing pages to load slowly.

7.1
2.8

theverge.com

6.2
2.7

businessinsider.com

11.4
6.5

cnn.com

7.5
5.8

huffpost.com

4.2
3.2

nytimes.com

Page size before and after blocking (in MB)

Made by people.

Protecting privacy on the web is important. We hope you enjoy Ka-Block!

David Graham

David Graham

@davidgraham
Josh Peek

Josh Peek

@joshpeek