Here is a checklist for image optimization in SEO:
1. Use high-quality images: Ensure that your images are clear, visually appealing, and relevant to the content.
2. Compress images: Optimize image file sizes without compromising their quality to improve page loading speed.
3. Use descriptive file names: Rename image files with descriptive keywords relevant to the content and include alt text.
4. Utilize alt text: Add descriptive alt text that accurately describes the image using relevant keywords for search engines and screen readers.
5. Image dimensions and formatting: Resize images to appropriate dimensions and use commonly supported formats like JPEG, PNG, or GIF.
6. Caption and captions: Utilize captions to provide additional context and optimize them with relevant keywords.
7. Implement structured data: Use structured data markup, such as Schema.org, to provide search engines with more information about the image.
8. Responsive design: Ensure that images are responsive and adapt well to different screen sizes and devices.
9. Image sitemaps: Create an XML sitemap specifically for your website's images to help search engines discover and index them.
10. Image caching: Enable browser caching for images to reduce server load and improve page load times for returning visitors.
Remember, optimizing your images not only helps with SEO but also improves user experience by making your website faster and more visually appealing.
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