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php – Incremental pixel loss when browser refreshed with MAMP / Chrome / OSX

Posted by: admin February 25, 2020 Leave a comment

Questions:

ISSUE

Hit refresh, and top margin of my extremely simple page (DHTML: CSS, JS, PHP) loses a pixel – hit refresh 30 times and the entire top margin collapses pixel by pixel, stopping at the same seemingly arbitrary point, after about 30px. I didn’t even know this was possible – how is the browser recording the previous position even after a refresh with no caching?

SETUP

MAMP – latest non pro
Chrome: Version 80.0.3987.87 (Official Build) (64-bit)
OSX latest OS

THINGS I’VE TRIED

  • Safari / Firefox – works as expected, refreshing like a normal refresh, no pixel movement
  • Adding / Removing my local .htaccess file which is preventing MAMP caching – no change
  • Refreshes and clearing all caches
  • Removing any unusual body / html declarations
  • Reverting to HTML instead of PHP – Fixed problem, so it’s defs php thing
  • removing 2 x php includes and seeing if a single page with all headers, content and footer, makes a difference. Nope
  • restarted mamp / server

ANY HELP

It’s not a huge issue, just annoying – any help or similar would be great – searched but maybe my google-fu isn’t good, can’t find anything.

Thank you!

How to&Answers: