Webpages, there are several things that need to be considered first, including website url, page title, meta information, image alt, flash information, frame frame, etc。The first three items have been introduced above, in detailseoWhat is the content？Here is an analysis of the remaining three:

Image alt:alt caption is recommended for images。

Because this can let users understand the message of the picture when the Internet speed is slow and the picture cannot be displayed, it can also let the search engine know the content of the picture。In the same way, when using pictures to navigate, you can also use alt annotations to tell the search engine what is the content of the page you are pointing to。

flash information:Baiduspider can only read text content, flash, pictures and other non-text content cannot be processed for the time being, and the text placed in flash or pictures cannot be recognized by Baidu。Therefore, if you must use flash, it is recommended to add comment information to the object tag。This information will be regarded as a description of the Flash information, so that the search engine better understand your flash content。

frame Frame:frame and iframe frame structures are not recommended, as content displayed via iframe may be discarded by Baidu。

SEO is about getting more free traffic from search engines，From the website structure, content construction scheme, user interaction communication, page and other aspects of reasonable planning，The act of making a website more suitable for the indexing principles of search engines;The principle of indexing a website to make it more suitable for search engines is also known as search enginization，The search engine can not only improve the effect of SEO，It will also make the information about the site displayed in search engines more attractive to users。

Now the website is also divided into a variety of stations, many sub-industry stations, product SKU is relatively small, but it is necessary to integrate their own industry keyword database, in order to build the website wiki, news or review page, so as to obtain traffic from various channels。The station is to build the industry keyword database, so the content is still more important。In essence, the Internet is an information medium, and providing content is a natural attribute of the Internet。

Search engine algorithms are now being updated very quickly, and SEO is becoming more and more unstable。However, as long as there is content (actual experience), the fluctuation of traffic will not be very large。Coupled with the right strategy, such as mass, SEO such free traffic can still be obtained。However, many workplace veterans are always entangled in the sitemap, front-end JS, do not construct a suitable content system, even collection, keyword thesaurus such basic skills always say that will be punished, it is really difficult to do a good job of SEO。