How can image rank in search engine?

[Angbuhang]

Hey guys!! I just want to know some good factors that can be implemented while ranking image. So, can you guys help me how I can rank image in search engine.Though my site is ranking my image is not hitting the top.

[NealPatel]

Use a relevant image that matches your text
Pick the right file name for your image
Make sure image dimension match the image size as displayed
Reduce file size for faster loading
Add a caption for easier scanning of the page
Use an image alt text, title text is optional
Use images in your XML sitemaps