Source: https://searchenginewatch.com/2016/02/16/how-to-optimize-images-for-seo
Uploading images to your site? Improve the SEO friendliness of these pictures. Here are some of the things you need to be doing when it comes to adding photos to your site.
SEO friendly images
Choose the right image.
- Use images that are related to the article.
- They should be of good quality and good resolution.
- For visibility across devices, check size and ensure correct aspect ratio.
Consider free image resources.
- Search images on Google, filter results by “Labeled for Reuse” and pick your choice.
- Try other awesome resources like Flickr, Unsplash, etc.
Be extra careful when getting copyright free images. You might still end up getting the bill. - Pay for your own photographer or take snapshots on your own.
Some handy tools you can use to enhance your images are Gif grabber, Awesome screenshot, Piktochart.
Resize your photos.
- Image size directly affects your site’s page load time.
- Search engines favor sites that load faster.
- Before uploading, reduce the size of your images and give them an accurate file/title names.
Add a clear and descriptive Alt-text.
- Describe your photos here.
- Search engines won’t see your images but they can read them through the Alt section.
- Avoid keyword stuffing.
Find sites that are using your imagery.
- Know more about image reclamation.
- Check if your self-created images are used throughout the web.
- Request that these sites give you proper credit.
- Ask these sites to link to your original image source.
By adding attractive images to your content and optimizing them accordingly, you can bring in organic traffic to your site through search engine images results.