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JPG compression | Online Advertising & Marketing Proffesional blog Online advertisement professional

How Online Advertisement works. Something about Banners and other forms of ads ;)

JPG compression

Minimum Kbs - Maximum quality!

Fast vs Normal – You can try fast optimization before normal, sometimes quality result is the same. 

Fast optimization in flash

brutal force optimization – try first, then think :)

1. Go to library window (shortcut: CTRL+L)

library

2. Choose Bitmap object (JPG or PNG or GIF)

library2

3. Double click on bitmap – Opens window with options

lib3

4. Switch to Custom and set quality rate (0-100). Try 30-50 first.

lib4

5. Test Bitmap Size and visual quality (press TEST button), check size, check visual quality

lib5

6. If quality is OK, try to reduce size again (type lower custom-quality)

lib6

7. If quality is OK press OK button, and try the same optimization steps to next bitmap

8. Re-export SWF and check new size.

9. If overall bitmap quality (during animation) is OK and new size is OK too – work finished. Else try Normal optimization in photoshop

Attention – Adobe Flash CS4 has OPTIMIZATION BUGS. >>>
After bitmap optimization try re-export SWF file and run it. If bitmaps became flickering/disappearing, you have to close FLA file then re-open it and export SWF again. >>>

 

Normal optimization in photoshop

Saving bitmap file : Adobe photoshop -> File -> Save for WEB (Alt+Shift+Ctrl+S)

1. Save for WEB window view

save_for_web_1

2. Try optimise

  • JPEG (type)
  • Quality (0-100) 
  • Optimized
  • You can try blur (higher blur = lower quality, lower size)
  • Set metadata to None (no metadata = lower file size)

save_for_web_2

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