What is Image optimization..?

Image optimization is using the most compressed (smallest file size) yet visually acceptable image in the proper file format for the specific role of the image.
10 Must Know Image Optimization Tips
1. Name Your Images Descriptively and in Plain English
2. Optimize Your Alt Tags Intelligently
3. Strategize Your Image Dimensions and Product Angles
4. Reduce the File Sizes of Your Images
5. Know Which Image File Type to Use for the Right Situations
* For most eCommerce situations - JPEGs will be your best bet.
* Never use GIFs for large product images.
* PNGs can be a good alternative to both JPEGs and GIFS.
6. Know How To Handle Your Thumbnails
7. Use Image Site Maps
8. Beware of Your Decorative Images
9. Use Caution When Using Content Delivery Networks
10. Test Your Images!
* Test the Number of Product Images Per Page.
* Test What Angles Your Customers Prefer.
* Test How Many Product Listings You Should Have on Category Pages.
 
Image optimization is a function of lossy and lossless compression. Differences in image formats are due to the difference in how and which lossy and lossless algorithms are used to optimize the image.
 
Image optimization is the process of defining the image with the help of proper alt text on the webpage. Search engines cannot read images directly and hence alt text is define against the image to help them know about the image.
 
Image optimization is a process to compress the size of the image without decrease the image quality and set the Alt tag for that image. It is the best techniques to rank well in the search index.
 
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