Images often account for most of the downloaded bytes on a web page and also occupy a significant amount of visual space. It’s very important to optimize images for blog.
Image optimization is both an art and science: an art because there is no one definitive answer for best ways to compress and optimize images for seo to increase search engine rank for images, and a science because there are many well developed techniques and algorithms that can optimize images significantly, reduce the size of an image.
Image Optimization for seo is one of the most important factors that you need to consider because a lot of people search for popular images and if the images you use on your blog start ranking, then you can get a lot of visitors.
Benefits of Image Optimization for seo
- Photo-sharing sites like Pinterest can drive huge amounts of traffic.
- Photos show up in search engines and since the competition is much less in the images section, you can easily get your image ranked higher with proper optimization.
- Proper Optimized images improves your blog’s bounce rate and increases the SEO score of your article.
- If you create custom images, then you can also get backlinks when some other blogs use your image in their articles and give you a source/credit link.
Ways to Optimize images for SEO to increase search engine rank by image optimization
Whenever you upload your image, always pick a descriptive filename preferably a file name you want that image to rank for, as it will help you with your search engine rankings. When it comes to SEO, it’s important to use keywords which help your webpage rank on search engines. Creating descriptive, keyword-rich file names is absolutely crucial for image optimization. Search engines not only crawl the text on your webpage, but they also search for keywords within your image file names.
Image Size and Compression
The next thing you need to take care before uploading the image is the size of the image and its dimensions. There is no need to upload big images to your article as it will put a huge load on your server and in turn will increase the loading speed.
Page load time of your website is an extremely important factor from SEO point of view and you don’t want to increase the time by adding huge images.
If the image you want to upload is in triple digits of KB or it is in MB, then the quality of the image is too high and for that there are tools like TinyPNG, JPEG optimizer etc. that helps you in compressing the images to reduce the size. Even after compressing the images, it won’t affect the image quality much. The image will still look good and it won’t be distorted or pixelated.
Image alt text for seo (alt img)
Most important of all is how you describe your image in the Alt section also known as Alt-tags or Alt-text) to optimise images which is one of the important part of seo. Google can’t see your images, but it can ‘read’ them and it reads what you write in the alt-attribute.
Alt-text should be very clear, descriptive not stuffed with keywords. Alt-text is also what’s used by screen reader software to describe images to people with visual impairments.
The alt-text is also what shows up in the text box that appears when you hover over an image.
Choose the right image format to optimize images
It is good to use commonly used image format for quick page loading and high quality image even in small size. Here is some of the most popular image formats are:
a) .jpg – It is also called as JPEG which stands for Joint Photographic Experts Group and it is right choice for complex images and photographs.
b) .png – It stands for Portable Network Graphics and it is right choice for designing picture as like transparent image, logo, thumbnail
c) .gif – It stands for The Graphics Interchange Format and it is right choice for making slider movement and animation effects.
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