willnorris / willnorris/imageproxy
Animated gifs doubles or triples in size after optimization
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- Go
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Description
Hello,
I have this animated gif: http://s3cdn.observador.pt/wp-content/uploads/2017/11/21123024/capa770.gif
After the resize process it's much larger: https://imageproxy-observadorontime.netdna-ssl.com/800x,q85/http://s3cdn.observador.pt/wp-content/uploads/2017/11/21123024/capa770.gif
It seems to be a weird and not expected outcome. Is this something that could be fixed?
Thanks
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the resize request with the animated GIF URLs in the issue and compare the original and optimized file sizes. Trace the image-resizing path to identify why animated GIF output grows, then verify that resizing no longer doubles or triples the file size for this case.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100