How to use Content Blocker Extension?

About block rule of Content Blocker Extension

Content Blockers are app extensions that you build using Xcode. They indicate to Safari a set of rules to use to block content in the browser window. Blocking behaviors include hiding elements, blocking loads, and stripping cookies from Safari requests.

Choose File > New > Target and select Content Blocker Extension. Give your Content Blocker a name.

In your Xcode project, open the folder with the same title as your Content Blocker. This folder contains the action request handler and a JSON file, along with a property list file and an entitlements file. Open the blockerList.json file.

In the JSON file, write rules to define content-blocking behaviors. Each rule is a JSON object containing action and trigger dictionaries. The action tells Safari what to do when the trigger is matched. The trigger tells Safari when to perform the corresponding action. Content Blockers are JSON arrays of these rules.

Note: Failing to set the block rules will all rule disabled.

Let ’s set the trigger. The trigger describes the condition for executing the action. The important thing here is the url-filter. The url-filter includes Capture URLs by Pattern and Use Trigger Fields to Define Patterns. (see reference for patterns)

For example, if you want to block www.example.com, write:

You enable the content blocker and open the page in Safari, you will see the following notation.

Now let ’s make it possible to block only ads www.example.com.

The load-type option can be first-party or third-party.

First-party blocks the display of the page if the url specified in url-filter matches the url in the Safari search bar.

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