如果你是个细心的人,这1,2个月你会发现google搜索结果中的 "补充材料"
标记消失了.
前几天去google官方查了一下,证实google确实取消了"补充材料"标记.
"补充材料"标记取消是在7月底,8月初,所以,是否会对网站排名产生怎样的影响,目前还是个未知数.
PS:强调一点, 是"补充材料"
标记,即在搜索结果中不会再出现"补充材料"这一标记,而在google的数据库里,补充材料这一概念应该还是存在的.
以下是google关于取消"补充材料标记"的官方申明,在大陆那个链接可能打不开(伟大的GFW啊!!)
http://googlewebmastercentral.bl ... oes-mainstream.html
When Google originally introduced Supplemental Results in 2003, our main web index had billions of web pages. The supplemental index made it possible to index even more web pages and, just like our main web index, make this content available when generating relevant search results for user queries. This was especially useful for queries that did not return many results from the main web index, and for these the supplemental index allowed us to query even more web pages. The fewer constraints we're able to place on sites we crawl for the supplemental index means that web pages that are not in the main web index could be included in the supplemental. These are often pages with lower PageRank or those with more complex URLs. Thus the supplemental index (read more - and here's Matt's talk about it on video) serves a very important purpose: to index as much of the relevant content that we crawl as possible.
The changes we make must focus on improving the search experience for our users. Since 2006, we've completely overhauled the system that crawls and indexes supplemental results. The current system provides deeper and more continuous indexing. Additionally, we are indexing URLs with more parameters and are continuing to place fewer restrictions on the sites we crawl. As a result, Supplemental Results are fresher and more comprehensive than ever. We're also working towards showing more Supplemental Results by ensuring that every query is able to search the supplemental index, and expect to roll this out over the course of the summer.
The distinction between the main and the supplemental index is therefore continuing to narrow. Given all the progress that we've been able to make so far, and thinking ahead to future improvements, we've decided to stop labeling these URLs as "Supplemental Results." Of course, you will continue to benefit from Google's supplemental index being deeper and fresher.
