Polygon Tweaks is a simple plugin with tweaks and fixes for a better experience on your WordPress website.

• set image quality to 100% for new thumbnails (to prevent double compression while using plugins like WEBp Express, ShortPixel or Imagify)
• add new thumbnail sizes for better adaptive images at common media queries (640px, 960px, 1280px, 1920px, 2560px)
• remove useless thumbnail sizes created by WordPress
• set big image size threshold at 3840px

For best results, use the following sizes under Settings > Media:

• Medium: 640 x 0
• Large: 1280 x 0

• skip login page for logged-in users when using iThemes Security and a custom login URL
• change login logo and target URL

• disable Jetpack and WooCommerce nags and upsells
• remove upsells and useless links from the plugin meta
• increase the admin email check interval from 6 months to 2 years