How to improve the speed of websites in seo optimization

everything Website construction The server itself runs too slowly: bandwidth and network speed of the website server, memory, space brand, etc. It has a great impact on the speed of the website! Because when we use the network to access the website, the website server (equivalent to the file stored on the network device) directly affects the access speed when the website is opened! Common methods to improve server performance include increasing memory capacity, replacing hard disks, using SCSI, RAID, upgrading processors, and increasing server bandwidth. Of course, it's easier to rent servers. Rent a suitable server. If the server where your website is located is abroad and your main customers are in China, you can move your website to a domestic server, and the speed of opening your website will be greatly improved.

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2、 Different types of websites: video or picture websites may also cause insufficient space or bandwidth on the website server, resulting in slow opening or even collapse of the website, because they need to consume bandwidth and have fast network speeds!

Third, the difference in website source code program may also be the main reason for slow website access, reducing unnecessary js. Js special effects are obviously more high-end and grand for our website, but we need to take time to consider the performance of our server and the loading speed of users. The balance between "atmosphere" and speed is found directly. You can't dazzle for the sake of dazzle, ignoring the user's opening speed, so as to create the effect of end inversion. This is not good.

Fourth, regardless of the type of website, the Javascript and css code of the website will be loaded when the user clicks the website for the first time. Assuming that the code is troublesome, it will inevitably slow down the opening speed of the website. If you encounter such problems, you need to compress or simplify the code. In terms of compression, there are a large number of third-party tools, such as the CSS JS compression tool used by webmasters, which can be tried for free. Compressed code can usually be reduced by 40% to 65%. In terms of simplification, you do not need to use style controls. Our idea is to meet the page layout of the website and reduce the amount of code.

Fifth, after the website is attacked by DOS or other forms, there are still many things in the website server that will reduce the speed of the website, resulting in slower website access.

Sixth, of course, the website environment of website visitors' mobile phones or computers is superior, and whether the network speed is sufficient is also important!