documents, merge CSS files, use the Css Sprite to reduce the number of requests to the server and other methods. These details, few people noticed, because a few milliseconds to enhance the speed is almost negligible, but experienced front-end engineers will take into account these issues, so the speed of your site to fight, but several major portals, but it gained Baidu's a lot of extra points. Similar to some of the details of the techniques can enhance the speed, there are many pages, for example, enable gzip compression page volume (many hosts have the function, but with very few people know), the JS file on the page can be improved significantly behind page loading speed (how many people this site do?), limit the size of the image browser to avoid re-rendering.
4 smooth transition site revision
Finally, I want to many sites is the most important, along with the development of the site, the page revision is inevitable, but I believe many people have a snapshot of stagnation caused by the revision of the site, ranking right down or even drop the issue. In fact, dealing with this problem is very simple, the site revision, when just modify the CSS file, fixed structure content code, you can easily search engine does not detect the case of complete revision, usually minor revision only need front-end engineers to change a few lines of CSS code on the line, If the page layout of the content need a big shake-up, can be divided into several small-scale revision finished making changes, during which they do not modify the title and other important information, the site can smooth the transition, snapshots, ranking,海外推广, will not include any exception. Need for the next revision of the site template, not in a hurry to put the template, make the appropriate changes, as with the original code of the page similar to the effect much better. Content of the mainstream CMS market structure are fixed, usually only a few changes to the div tag, and want to change the layout or css very easy.
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