Blog Image Optimization Checklist
A practical checklist for resizing, compressing, naming, and publishing blog images without hurting readability.
Blog images affect both first impression and reading flow. If a post opens slowly or images appear long after the text, readers may leave before the content has a chance to help them. Optimizing images before publishing is one of the easiest ways to improve the experience.
Most image optimization guides agree on the same starting point: do not upload full camera originals when the post only displays a smaller image. Resize the image to match the content area, then compress it as JPG or WebP depending on compatibility and visual quality.
Filenames and alt text matter too. A name like `blog-image-compression-checklist.webp` is easier for search engines and editors to understand than `IMG_3021.jpg`. Alt text should describe the image's purpose in the article instead of repeating keywords.
Before publishing, compare the compressed result with the original at normal and 100% view. Start around 75 to 85 quality for most blog photos, then adjust based on whether the image contains faces, product details, small text, or smooth gradients.
- Resize images that are wider than the content area.
- Test JPG or WebP for photos and PNG or WebP for transparent graphics.
- Prepare separate files for hero images, body images, and thumbnails.
- Use descriptive filenames and natural alt text.
- Check the final post on mobile before publishing.
Should every blog image be converted to WebP?
WebP is often efficient for web publishing, but some platforms or editorial workflows may still prefer JPG or PNG. Check where the image will be uploaded before deciding.