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SEO optimization "Do not easily use the pan-resolution"
Midnight suddenly think of this old want to put forward or everyone knows the problem!
Here we go, then give you a full complement!
What is universal resolution:
Body, strictly speaking, is this:
If the abc.com is interpreted to the IP address of 0.0.0.0, and the DNS server providing an explanation supports a generic interpretation, then the domain name other than "can be explained" will be fully interpreted into the 0.0.0.0.
What do you mean "can explain" the domain name? This means that there is a domain name that explicitly sets the direction. For example, the DNS settings are as follows:
ABC.com-> 0.0.0.0
Bbs.abc.com-> 0.0.0.1
Then, access BBS.abc.com normal to go to 0.0.0.1, access to other arbitrary *.abc.com, as long as that * is not BBS, then will go to 0.0.0.0.
The difference of domain name resolution
The universal domain name resolution is: *. Domain name resolution to the same IP.
Domain name resolution is: Subdomain Domain name resolution to the same IP.
Note: Only the client's space is independent IP when the pan-domain name makes sense. Domain name resolution does not have this requirement.
Purpose of the universal Domain name resolution:
1. You can allow domain names to support unlimited subdomains (this is also the largest use of universal Domain name resolution).
2. Prevent the user from wrong input caused by the site can not access the problem.
There are 2 ways to set up a generic domain name resolution in a DNS server
1. In the domain name resolution set *.a.com a record or CNAME record point to a IP server name (this way the virtual host user is not supported)
2. In the domain name forwarding inside the set *.a.com forward to http://www.a.com (the virtual host can support this kind of forwarding, users in their own program can determine the domain name visitors want to visit).
After using the universal parsing, it can be said that there are N two, three-level domain names. such as "xxx.alibaba.com,,xxx.taobao.com,xxx.51.com,xxxx.163.com".
Benefits One: So many sites of traffic may be independent, but the webmaster concern Alexa rankings will be all the sub-domain name points summed up to give the total domain name.
Benefit Two: Can use a lot of to do search engine optimization "cheat". For example, to create a separate page on the server, and fabricated n two-class domain name to let search engines included and to rank, a little bit the head of the head will be a little more to do point page, to fight for each subdomain content is not the same! But this way can also be achieved by the program!
Three advantages: Too many not listed, SEO optimization to the important 2nd bar!
As a pan-resolution after n station, can be included in an instant after the overwhelming "rape" search engine effect. For example, 2004 years of a rape of Baidu behavior. Some SEO or concern Baidu people give Baidu great contempt and technical irony!
After also appeared, but Baidu's bitter experience has given birth to the death of "processing."
Progress ~ ~ ~
But some of the stations "portals" must of course be in order to embody their strength and scale to be necessary and intentional to use to the universal parsing function. A good URL for users and visitors to display.
2005 Flying Brother use the program to automatically collect XXX station and give an automatic ID and then automatically generate a different content and other two-level domain name site. In a short period of time by Baidu and Yahoo,google included up to 100,000. In a short period of time to create daily IP20 million records. These are the benefits and effects!
After the time:
Baidu first to give not all level two corn station Delete (other than the important channel of other generated classes)
Analysis: Similar to large, no creativity, and a lot of garbage (because the contents of XXX station is also very rubbish, only looked at the first half of the content after taking such activities, can wait for all the view when all is "the site is building") you say garbage no rubbish ~ such things how to search engine Baidu to show visitors? I feel guilty!
Of course, some of the channel two corn station still exists, after all, it was bundled in IIS, is used to show those garbage stations, content is "quite" full!
Traffic has been hit by a jump!
Google response:
Because the collection is very slow, at that time he is slower than now, or even slow to people summed up he is 3 days once updated and included. Not now at any time included and change! Included in the page to be released before the sandbox, and then after some SEO quality considerations to give rankings, of course, some of the unpopular or are in the home page. Temporarily support some of the flow, but the value is not optimistic!
Baidu as a garbage he will not give a good evaluation, after all, the whole station such as how to give the rank of white Paper? Send a spider and run away! How to rank?
Finally, the number of the response is reduced!
Yahoo reaction:
Because at that time he and 3721,yisou integration, so the data is less than Baidu is more than Google, after all, he is in the tens of billions of the amount of the collection, the move he is very like!
Traffic Routing and its 2 major search is not the same, he included first full station of garbage page and then quality page. For example, the forum released, he first what you register Ah, list Ah, error tips page Ah what is not to give visitors directly to the page to show the first collection, you are how to do not have rankings!
So start every effective, and then he's a large number of collection, a large number of rankings.
Even then because a "MLM company" (after being designated as) by my station and by his collection and be more want to know people search and bring hundreds of traffic every day! Sigh ~ ~ ~ ~
Slowly are beginning to reject the inclusion and ranking, to the end of the last was Baidu cut only 5 channels, and give down the right!
Google thoroughly "supplemental materials"
Yahoo also deleted part of the included.
Seeing this phenomenon, he gave the operation, the rubbish two level station to change into the existing two-level channel Directory page. For example, convert a.abc.com to pindao.abc.com/a but it's late, later than the train!
At that time these origins from the 51.net, when SEO went to 51 to apply for free space a lot of cheating, in Google's top swagger, arbitrary copy, paste, overlap until the total ban of 51. At the same time blocked the space page of the Chinese station, Sina and so on ~ ~ ~
One 51 is dry, and the other 51 is "testing." That's 51.com.
Rush of financing, open the station, publicity, promotion, to now N station spread. At any time can be seen netizens said help me "step" ah, step on what? Step on his 51 instead of QQ zone!
Seo to take him to SEO cheating, cheating means will not say. After all, these are cheating!
By April Baidu gave a thorough ban, only now is www.51.com home.
You said 51 was deliberately using the pan-analytic to engage in traffic? Doing Alexa? Do the nth financing? No. He is in order to do not know the state, but ignored the existence of Chinese SEO and those in 51 to do "Personal homepage" rookie "webmaster"! A little bit of experience will also go to a dollar to buy a corn, 50 yuan to buy a universal space immediately next program to install a pure "personal site" to come!
Those rookie want to HAO123 all paste in, want to all can see the picture put to "album", Want to day that free hundred trillion run out! But the friendliness of these search engines is greatly discounted! Make 51 of the overall quality down!
SEO less than 1 minutes to apply for a "home" or grade two corn, although the use of the framework of the 512-grade corn station is still able to be now Baidu and Google to identify the contents of the framework to give the search!
These SEO use can cheat means full of "personal website", then do point connection, Baidu came, Google also came. Is that he just released the site 51 list will be displayed and connected at least, then 50% is included!
Down began to cheat, means not to give the list, please find yourself!
Down you will be in Google and Baidu have quite a business word site in the crowded rankings. 1-10 page Positions they all have! As Baidu space is used in Google as a ranking!
Extremes of time to come, Baidu angry!
51 Please leave the eyeballs of my searchers! It's not that I don't like you and my hi. Rob the limelight, but your content is too can't enter the line of sight, so people will say my search technology is not advanced enough, how to collect such a garbage page/site. The sleeve is window and float and jump?
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Two, 51 (I Want) all dead, and "Who wants"?
There is also a 51.la is to provide statistics, I think will not hang! At least he is JS code to the final path for/? =id hope this will not provoke angry Baidu!
SEO has been the pursuit of the flow, and the search engine Baidu accounted for 80% of the traffic, then from the SEO is the birth of the point of view of Baidu we are not too much of the "SEO"!
Pan-resolution is not easy to use!
Or you're going to hang up!
Reference: http://www.yookee.org/dispbbs_17_313_1.htm