html - How to disable Safari Reader in a web page -

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i'm curious know more triggers reader option in safari , not. wouldn't plan implement disable it, curious technical exercise.

here i've learned far basic playing around:

  • you need @ least 1 h tag
  • it not go character count alone number of p tags , length
  • probably looks sentence breaks '.' , other criteria

safari provide 'reader' if, h tag, , following:

  • 1 p tag, 2417 chars
  • 4 p tags, 1527 chars
  • 5 p tags, 1150 chars
  • 6 p tags, 862 chars

if subtract 1 character of above, 'reader' option not available.

i should note character count of h tag plays part sadly did not realize when determined results above. assume 20+ characters h tag , fixed throughout results above.

some other interesting things:

  • setting <p style="display:none;"> p tags removes them count
  • setting display none, , showing them 230ms later javascript avoided reader option too

i'd interested if can determine in full.

“you need @ least 1 <h*> element” — incorrect. here’s example: http://mathiasbynens.be/demo/safari-reader-test-3

my answer on other safari reader question provides more info.

you read my blog post on enabling safari reader findings on subject.


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