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ayastreb / bandwidth-hero-proxy

:zap: Proxy that compresses images to low-resolution
https://bandwidth-hero.com/
MIT License
189 stars 160 forks source link

Enable progressive JPEG #5

Closed niutech closed 6 years ago

niutech commented 7 years ago

According to the sharp JPEG output options, the default option is baseline, not progressive JPEG. Could you enable progressive and possibly optimiseScans as well for faster loading images? Thanks!

fogoat commented 7 years ago

I like the of "progressive JPEG" as well. I think the GIF equivalent would be interlaced. On extremely low bandwidth systems, having the interlaced provides a placeholder sooner and a quicker clue to the final image. You could potentially load 50% of a progressive JPEG a blurred image to save a lot of bandwidth.

ayastreb commented 6 years ago

Enabled progressive and optimizeScans options.

ttpro1995 commented 5 years ago

how to do this ?

Enabled progressive and optimizeScans options.