Smaller than GIF when using more colors.Supports gradient alpha channel (transparency).Popularly used for creating moderately small photo-image files.Creates 'artifacts' (distortions and errors in the image) when optimized.Lets talk about these formats in a little more detail:Įxamples of Good/Poor Image Optimization JPG The extensions 'jpeg' and 'jpg' are interchangeable, and capitalization is irrelevant in most cases (lower-case extensions are the stylistic standard on this wiki). Wikis will allow you to upload images in one of three image formats: JPEG, GIF, and PNG. (If you want to know more, look up color indexing) Just know that because everything is pixel art, you can get away with some ridiculously small images without losing any image quality.

While there is a spectrum of optimization (beyond 'good' and 'bad'), the details of why and what that means is beyond the purpose of this guide. For reasons like this, contributors are encouraged to update images with large file-sizes with optimized ones of equal quality.Īs far as optimization goes, pixel art has it easy. Frequently on this wiki, if an image is taking too long, it may not be displayed at all (which is why you may not see all the images below). On high traffic sites, like on your favorite game's wiki, small improvements to file sizes can make a large impact on page loads and positive user experience. Media, on the other hand can take much, much longer. Text is received by the browser very, very quickly. On webpages, it is important to keep optimization in mind. Optimization, as it is used here, is the word used to describe the process of reducing file sizes.

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