Enable Lazy Load to delay loading of images outside the visible screen area.
You can use plugins like Smush or A3 Lazy Load .
5. Ignoring image file names
Uploading files with names like “IMG1234.jpg” does not help your SEO and makes it harder to organize your resources.
Solution:
Give your files descriptive names that include keywords. Example: optymalizacja-zdjec-wordpress.jpg.
Avoid spaces and Polish characters in file names.
6. No ALT attributes
ALT attributes not only improve SEO , but also make your content chinese overseas british database easier to access for people using screen readers.
How to improve this?
Add short, descriptive ALT text for each image in your WordPress media library.
Use your main keyword where natural.
7. Suboptimal image storage
Lack of organization in your media library leads to duplicates and unnecessary files on your server.