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Complete website image optimization guide

Build a web image workflow around display size, responsive assets, format, quality and launch verification.

Build a repeatable plan

Build a web image workflow around display size, responsive assets, format, quality and launch verification.

  • Prepare images for their real display width.
  • Choose formats separately for photos, captures, logos and transparency.
  • Verify loading, layout stability and browser support before launch.

Record destination, accepted format, dimensions, size, transparency and metadata requirements. Test an ordinary and a difficult sample before applying verified settings to the batch. Separate originals, intermediate results and delivery files.

Recommended order

  1. Organize sources and remove duplicates, damaged files and orientation errors.
  2. Resolve composition, crop and dimensions before watermark, format and compression.
  3. Download and verify a sample in the destination before the batch.
  4. Verify counts, naming and unusual files, and retain settings.

Verify before delivery

Inspect text, hair, edges, gradients and transparency at 100%. Sample the first, last, largest and metadata-sensitive files. Websites may resize or recompress, so perform a real upload test.

A downloadable result is not automatically deliverable. Check extension, MIME type, dimensions, ratio, size, pages or frames and destination compatibility.

Risks and boundaries

Browser processing depends on memory, pixels, frames, pages and codec support. Split large work and keep the tab open. Re-encoding may remove EXIF, GPS, ICC or other data.

For identity, print, legal evidence or archives, follow the issuing authority, printer or archival standard and preserve untreated originals.

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