How to Crash Safari by Typing Simple Words
There’s a handful of basic words and letters that when typed into the URL field will instantly crash Safari on the Mac. Versions of Safari on iPhone and iPad don’t seem to be affected.
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As mentioned by reader “MB” in the comments below, this bug can be deactivated by turning off Safari suggestions: open Safari’s preferences (Cmd+comma), click the Search tab, and remove the check from the Include Safari Suggestions box.
