Now, in a well-known web browser, Firefox should be the first to join the reading mode, but to use this feature also need to activate it. First enter the command "About:config" in the Address bar, and press the ENTER key to pop up a set prompt window. Click on the "I'll be Careful,i promise" button and go into the Firefox browser settings screen. Enter the parameter name "reader.parse-on-load.enabled" in the search box in the settings interface, and press ENTER to search, after which you can find the parameter value "true" (Figure 1).
When you restart Firefox, you can see a reading mode icon in the back of the address bar. When the user needs to convert the page to read mode, just click on the icon. This time the Web page interference elements are basically removed, users will be more refreshing reading. In the toolbar on the left side of the window click the "Type Control" button, in the pop-up dialog box can adjust the size of the text, you can change the color of the background and so on, so that the reading more in line with their requirements (Figure 2). In addition, Firefox has collaborated with the pocket to save content that has not been read to the cloud.
Not all of the pages can be converted to read mode, so encountered some of the Web pages can not be identified in the address bar input "About:reader?url= url" after the return.