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Three things to keep in mind when setting an image as the background of your homepage When setting an image as the background of your homepage, keep the following three points in mind. Three points to note regarding homepage background images Compress image file size Pay attention to the image file format Avoid copyright infringement I will explain each. Compress image file size Compress the size of the image file used for the background of your homepage to make it as small as possible. If the image file size is large, it will take time to load and it will take time for the web page to be displayed. If users are impatient, they may leave the homepage. Google recommends a page size of less than 1.6MB (1,600 KiB) . How to reduce payload size Try to keep the total byte size below 1,600 KiB.  


that can theoretically be downloaded over a 3G connection while achieving an list of phone numbers operational time of 10 seconds or less. (Quote: Chrome for Developers "Avoid huge network payloads" ) In particular, many background images are large in size (vertically and horizontally). If you consider using other images on one page, you want to keep the capacity as low as possible. Please note that if you do not compress it, the background image alone may exceed 1.6MB. Otter Since this is just a background image, you will also need to decide how clear it needs to be displayed. Pay attention to the image file format Also check the image file format in advance. If the file is in a special format, it may not be able to be displayed in your browser. Generally, "JPEG" or "PNG" are often used as image file formats .



PNG has the advantage of not deteriorating even after repeated storage because it is a "lossless compression" method, but it tends to have a larger capacity than "JPEG". Either file format is fine, so choose the one with the lighter capacity as long as there are no problems with display. *The image file format is explained in detail in the article below. Related article [For beginners] Homepage image manual! How to make it, how to put it in, etc. Avoid copyright infringement Be careful when using a third party's copyrighted work on your homepage, not just background images . Basically, the copyright of an image is held by the author, and if you infringe it, you may get into trouble.