- Always use recommended image sizes for your pages.
- Make sure to add descriptive alternate text for all the images.
- If you want to insert images in the main content area, the order should be:
- Add text and format it.
- Insert image; align it if you wish to wrap text around it. This will ensure you have proper markup around your content.
- Use Photoshop to edit image when possible
- Always save your images using "save for web" option, generally with quality set to 60, to reduce size.