Image optimization is about reducing the file size of your images as much as possible, without sacrificing quality, so your page load times remain low. It’s also about image SEO—that is, getting your banner and product images to rank highly on Google and other image search engines.
Image optimization means ensuring your images look flawless on desktop and mobile. And that they don’t hinder web performance. The goal of image optimization is to create high-quality images with the lowest file size. Three main elements play a role here:
Image file size (JPEG vs. PNG vs. WEBP images) Image compression level Image height and width
By finding the balance between the three, you can reduce image size and improve website performance.
Why do we optimize images? Images are the largest contributor to overall page size, which makes pages slower to load. Data from HTTP Archive reveals that unoptimized images make up 75% of a total webpage’s weight, on average. This can have a negative impact on your website performance.
Image optimization helps lower your webpage’s weight and is a core tenet of good ecommerce web design, which results in the following benefits:
Improved website speed Image optimization for web and mobile exists to make web pages load faster. They create a better browsing experience for shoppers. Should there be a mere two-second delay in your page speed, your bounce rate can increase by 103%.
Page speed is how fast content on your page loads. It’s often described as:
Page load time, or the time it takes to display the content on your page. Time to first byte, the number of milliseconds it takes for your browser to receive the first byte of information from your webserver. Google has suggested that site speed is one of the signals used by its algorithm to rank pages. Research from Moz shows that Google may specifically measure time to first byte when it considers page speed. A slow page means search engines crawl fewer pages with their crawl budget, which can negatively affect your indexing.
Better browsing experience
Page speed is important to a visitor’s experience. People can detect delays as short as 1/10th of a second. Anything longer than that doesn’t feel “instant.” Delays of one second are enough to interrupt a person’s thought process.
What is image optimization?
Image optimization is about reducing the file size of your images as much as possible, without sacrificing quality, so your page load times remain low. It’s also about image SEO—that is, getting your banner and product images to rank highly on Google and other image search engines.
Image optimization means ensuring your images look flawless on desktop and mobile. And that they don’t hinder web performance.
The goal of image optimization is to create high-quality images with the lowest file size. Three main elements play a role here:
Image file size (JPEG vs. PNG vs. WEBP images)
Image compression level
Image height and width
By finding the balance between the three, you can reduce image size and improve website performance.
Why do we optimize images?
Images are the largest contributor to overall page size, which makes pages slower to load. Data from HTTP Archive reveals that unoptimized images make up 75% of a total webpage’s weight, on average. This can have a negative impact on your website performance.
Image optimization helps lower your webpage’s weight and is a core tenet of good ecommerce web design, which results in the following benefits:
Improved website speed
Image optimization for web and mobile exists to make web pages load faster. They create a better browsing experience for shoppers. Should there be a mere two-second delay in your page speed, your bounce rate can increase by 103%.
Page speed is how fast content on your page loads. It’s often described as:
Page load time, or the time it takes to display the content on your page.
Time to first byte, the number of milliseconds it takes for your browser to receive the first byte of information from your webserver.
Google has suggested that site speed is one of the signals used by its algorithm to rank pages. Research from Moz shows that Google may specifically measure time to first byte when it considers page speed. A slow page means search engines crawl fewer pages with their crawl budget, which can negatively affect your indexing.
Better browsing experience
Page speed is important to a visitor’s experience. People can detect delays as short as 1/10th of a second. Anything longer than that doesn’t feel “instant.” Delays of one second are enough to interrupt a person’s thought process.
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