Tweak sidebar ad priority

[davidfischer]

This is a tweak to increase the sidebar ad priority (vs footer ad priority) if the sidebar isn't long. Essentially, this change will prioritize showing a sidebar ad if the sidebar ad would be visible.

[humitos]

If I understand correctly, we check

• if the ad is currently displayed/showed on the screen
  • no: lower the priority
  • yes: and it's not a mobile hit, put the maximum priority

If so, this makes sense to me.

[davidfischer]

If I understand correctly, we check

This is correct. Basically if the sidebar ad would be in view, raise the priority of choosing a sidebar ad. If the sidebar ad would require scrolling to see, instead lower the priority. Most likely we'll choose a footer ad.