Choose the correct image format

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When choosing a file type for images (as with all work with images), it is important to maintain a balance between quality and size. A "light" image of poor quality will create a bad impression and may cause visitors to refuse to buy or leave the site. On the other hand, a high-quality image in high resolution can increase the page loading time - the bounce rate will increase. You need a balance.

There is no correct or ideal format for images. It all depends on the type of image and how you plan to use it. The most commonly used formats are: JPEG, PNG, GIF. They are supported by all browsers and search engines. Less common are SVG and WebP.

Here are some recommendations:

For online stores, the best option is JPEG. This format new zealand phone number material provides the best quality with the smallest file size. It is also recommended to use JPEG for large photographs or illustrations.
Use PNG if you need to preserve background transparency. Other formats (except WebP) do not support this feature. PNG sometimes beats JPEG in file size.
For logos and icons, use vector SVG. Using CSS or JavaScript, you can manipulate images in SVG format. For example, change their size without losing quality.
Instead of JPEG and PNG, you can use the more modern WebP format. This format maintains high quality with even smaller file sizes. You can convert a photo to WebP using Squoosh . However, there is a caveat: older versions of some browsers may not support WebP.