Image optimization is also a part of website content optimization. Some may have noticed that their product images rank last while others rank first. There are some tricks to it.

In modern fast-paced reading life, images can attract users' attention and provide things that require a lot of text description. As the saying goes, a picture is worth a thousand words. Adding images to an article can make it more interesting to read.

When optimizing images, the following points should be noted:

One, optimization of Alt tags


Although technology has been advancing, search engine spiders still cannot understand what the image is expressing. It can only know that it is an image and then include it. Therefore, we should write content in the Alt tag to let the search engine know what keyword the image represents. Therefore, when filling in Alt, what should you pay attention to? Describe the content of the image. If the image is not related to the article, it can be directly named after the title, and keywords should not be piled up.

Two, Image Description


In WordPress, it is usually necessary to add a Description to the image, which is a further explanation of the image. As shown in the figure below, how to do SEO optimization of website images, the part described by the picture is a further explanation of this image, which actually helps search engines better understand what this image expresses. However, this varies from person to person, and some images are not easy to describe.

Three, originality of the image


Everyone knows that search engines like original content, whether it is text or images. Many people use images in articles by directly searching for them online. This behavior is considered stealing images by search engines. Therefore, images still need to be processed and optimized a bit to be considered original.

Four, image source


If you need beautiful personal images, you can consider downloading them from some galleries. Some galleries charge for downloads, and some galleries are free to download, but the uploader will require that they cannot be used for commercial purposes. Product images are best taken by oneself. The sizes of images found on the Internet are different, especially the images downloaded from the gallery are all super-clear and large. Although such images may give users some visual enjoyment, in the long run, they are a kind of persecution of the website.

Five, image compression


If the image capacity is too large, it will not only affect the time it takes for users to open the webpage for the first time, but also slow down the opening speed of the entire website in the long run because images occupy too much space. Therefore, before uploading images, find some tools to compress them. The simplest tool is PS. If using Xtu, it is best to compress the image size to less than 100K.

Six, image format


The common image formats are JPG, PNG, and GIF. The image format also has a certain relationship with the size of the image and the compatibility with different browsers. Pay attention to the following points:

1. Color distortion and incomplete image display. For such images, do not use them.

2. Use universal image formats. Currently, the universal image formats are GIF or JPEG.

3. It is recommended not to use image formats such as PNG and BMP because the images in these formats are larger than JPEG, which will affect the loading speed.

Suggestion: JPG format is the best. If not, it is recommended to process it into JPG format with software tools because the image quality is most guaranteed. GIF images can be used less because they affect the speed of website loading. Many website icons are PNG images, but the size of the image may be larger than JPG, so please check more.

Seven, the coordination between images and text


SEO is a wonderful thing. It is not that if you do the Alt and write a description, the ranking of the image will increase. Optimization is a progressive process. Image optimization also considers many levels of things. Sometimes search engines will see what the surrounding text is when they see your article. For example, if what is discussed around the image is an iPhone, then the search engine is likely to judge that this image is related to the iPhone. Search engines arrange an image based on multiple tags! Therefore, the image is actually related to the content of an article. SEO is a meticulous job, and many things may not show results at once, but long-term effects will still be reflected, so everyone try to optimize everything that can be optimized, which is always good for the website.
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