Lower Quality for Small Thumbnails, Higher for Large Images
Saves small thumbnails with stronger compression and large images with higher quality, so grids load fast while hero images stay crisp, instead of one quality for everything.
Snippet Library
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Set JPEG Compression Quality
Changes the quality used when WordPress generates resized JPEG images. Lower values give smaller files; the default is 82.
Set WebP and AVIF Image Quality
Sets the compression quality WordPress uses when it creates WebP and AVIF images, separately from JPEG, so you can trade a little sharpness for much smaller files.
Site Health Check for Compression and Browser Caching
Adds a Site Health test that requests your homepage and one of your theme's stylesheets and reports whether text files are compressed (gzip or Brotli) and whether static files get long browser cache lifetimes.