Blog
Guides on image optimization, Core Web Vitals, and building faster websites without sacrificing quality.
Blog
Guides on image optimization, Core Web Vitals, and building faster websites without sacrificing quality.
What Instagram, LinkedIn, and X Do to Oversized Images
What Instagram, LinkedIn, and X actually do when your image exceeds their size limits: recompression, format stripping, and metadata loss, plus how to control quality before you upload.
Maya Chen·July 31, 2026·10 min read
The Right Image Format for Every Web Use Case
Map PNG, JPG, WebP, and AVIF to real page jobs so product photos, UI shots, and heroes load fast without quality loss.
Maya Chen·July 25, 2026·9 min read
AVIF Encoding Time vs File Size: When Slow Compression Pays Off
AVIF cuts image weight 20-50% below WebP but encodes far slower. Here's exactly when the wait pays for itself and when it drains your build.
Maya Chen·July 22, 2026·7 min read
CDN Cache Headers: Why Your Optimized Images Still Cost You
Your image is 40KB and perfect. The visitor still redownloads it on every page because Cache-Control is wrong. Here's the fix, with real bandwidth numbers.
Maya Chen·July 17, 2026·8 min read
How to Shrink Email Images Below Every Attachment Limit
Gmail, Outlook, and Apple Mail each cap attachment size. Here are the exact limits, plus how to compress campaign images under 200KB so they load before readers bounce.
Maya Chen·July 15, 2026·7 min read
PNG vs JPG vs WebP: Pick the Format Before You Compress
Choosing the right image format by type cuts file size 30-60% before you touch a compression slider. Here is the decision tree, with real numbers.
Maya Chen·July 10, 2026·7 min read
How to Bulk-Compress Images Before a Site Migration
A pre-migration checklist to audit and bulk-compress your full media library, cut first-paint time on the new host, and stop uncompressed assets from inflating bandwidth bills.
Maya Chen·July 8, 2026·7 min read
WebP vs AVIF at equal SSIM: a 100-photo compression benchmark
I ran 100 real product photos through Atlas’s image engine four ways. At equal measured quality, SSIM-targeted WebP came out 56% smaller than a flat quality-85 export and AVIF 76% smaller. The numbers, the caveats, and the one change that backfired.
Maya Chen·July 2, 2026·9 min read
Compress Images Free Without Losing Transparency or Color
Transparent PNGs go grey and brand colors shift at two exact steps in compression. Here is what each setting does and how to compress for free without either.
Maya Chen·July 1, 2026·7 min read