# AD blocking

- Host blocking。

  - Use bookmarklet "list all script urls" to generate url links, long pressing dubious script (usually 3rd-party library) link, click "Block domain root".

- Javascript and CSS for domains。

  - Long press the button "js", click the menu "MarkAD mode". In "markAD mode", click page element to show all attributes and generate CSS AD blocking styles. By default, "display:none" is used. If "display" appears in the attribute information, recommend to use "transform:scale(0)!important" instead.

- Long press the tab manager button, check "Videos only" for video sites and "Images only" for image sites. Other AD blocking options are "Hide pseudo elements" and "Hide iframes".

  - Add prefix "i:0mc32:" to url when bookmarking, then the option "Images only" applies to whole url subtree. Similarly, "c16" for the option "Videos only" and "c12" for hiding both pseudo elements and iframes.
  - Long press the button [☰], check the option "Fullscreen autoplay". Videos are autoplayed in fullscreen mode, ADs have no chance to appear.

- Long press the setting button, check the option "Block external scripts". UI website has option to also block dubious 3rd party resources. js.allow whitelists js libraries.

- Long press the button [☰], "Disable floating ADs", "Disable banners", "clear all timers", "stop events" and "Sleep ..." are also available.

- Click the button with image icon to hide all images.

- Click the button "JS" to disable javascript.

- url.deny: one giant regular expression for blocked urls (java grammar), in which carriage returns (CR or newline) are ignored and "#" is for comments.