怎样摆脱Google的补充索引
现在的Google Sandbox不幸有两个级别，你只有获得了Google的信任，才会得到网页排名。实际上，这时考虑网页排名为时尚早，因为网页首先必须被编入索引才有排名这个问题。因为，如果当你的页面大多数被归类于补充材料时，你其实并没有真正被索引！
为什么页面会被归类于“补充材料”，究竟发生了什么事？显然，Google索引页面文件是非常挑剔的，据传她唯一感兴趣的站点是那些长期的、值得信赖的站点。
“那么补充材料到底是什么？”
我不会根据Google的官方答案来鹦鹉学舌，我总结了以下几条：
Google补充材料会把页面打入西伯利亚的牢房。
Google补充材料是和正常Google索引相对的。
Google补充材料会被赋予极低的信任值。
Google补充材料不会被用于任何重要的排名。
现在，假定你的页面已经进入了Google的补充材料，这里有五个方法，可以助你尽快逃离这个地狱。
1.给每个页面不同的标题
尽管这极其简单，但依旧很多人没有这么做。我们绝对没有理由不这样做，这有助于SEO，可读性提高，获得高点击率等。
2.给每个页面不同的META DESCRIPTION 标记
记得我们都以为META标记已经没用了，不，Google还在利用这些标记。让我们不要浪费时间了，只要给所有页面一个唯一的 META DESCRIPTION 就可以了，甚至只是复制一下标题内容到里面也可以。
3.做到每页都具有良好的独特的内容
这个问题很常见，原因也有不少，最常见的是在不同的URL地址中有很多内容块是相同的，这通常是因为网站的CMS或者购物车造成的，一些内容较少的页面或者空白也会存在这样的问题，凭我的经验（可能权威性不够，只是我的猜测），一个页面要有至少100个字才能成为较为独特的内容。
4.多增加一些权威度高的反向链接
链接通常是很有效的，少数几个来自已被评级的老域名的链接会使得一个新站具有更高的权威度，从一个高PageRank的网站获得链接的效果更佳。
5.在站内页面中多建立内部链接
这可以让Google觉得你的网站并不是一个空架子，想想看，当一个只有20多页、数十个坏链接，而且这些无效链接百分之百是指向同一个页面。通常情况下，网站页面会被正常索引，不过大多数内部页面已经进入补充材料了。
做到上面那些后，大致就可以恢复正常了。通常情况下最难的部分是建立外部的有效反向链接，以取得可信的权威度，这方面的只是可以参考我的其他相关内容。
翻译人：William Long
How to: Escape Google’s Supplemental Index
Unfortunately, the Google Sandbox now has two levels. Yes, you still need a lot of trust to get your pages ranking. But before you start worrying about that, you need to worry about getting your pages indexed in the first place.
Because, of course, you’re not really indexed if most of your pages have gone supplemental!
What happened? Well apparently the Google Indexer got tired of her nickname “Loose Louise”, she’s born again and now very choosy thankyouverymuch about who she lets enter. Rumor has it she’s only interested in trusted sites that are after a whitehat, long term commitment.
“What exactly is that supplemental index again?”
I won’t parrot the quasi-official Google answer here. (In fact, I can promise that I will never give you the “official Google answer” on Tropical SEO.) Take your pick:
The Google Supplemental index is the Siberian work camp for web pages.
The Google Supplemental index is to the normal index, as Scoreboard Media is to Tropical SEO.
The Google Supplemental index is where they put web pages with little trust.
The Google Supplemental index is where they put web pages that aren’t going to rank for anything important.
Got it? Cool.
Now, assuming your site is supplemental, here are five tips to get it out of Supplemental Hell.
1. Give each page a unique title. This is so basic it kills me but sometimes people still aren’t doing it. There is absolutely no reason not to do this, as a unique title also helps SEO-wise, it helps accessibility-wise, gets higher clickthroughs in the SERPs, etc.
2. Give each page a unique META DESCRIPTION. Remember when we all thought META tags were dead? Well, Google’s gotten funny about that. Let’s not waste time wondering why. Just give every page a unique META DESCRIPTION, even if it just matches the title tag.
3. Make sure each page has a good amount of unique content. This problem can rear its ugly head in a few different ways. Most commonly, a particular piece of content is being served at multiple URLs. This is usually a CMS or shopping cart issue, and the fix will be unique to whatever system you use. Also pretty common is the existence of very thin pages (a lot of large, hollow/empty web directories have this problem). My rule of thumb (and it’s not authoritative, just what I go by), is that a page should have at least 100 words of unique content at a minimum.
4. Get some more trusted links. Link building is all about trust these days. A few links from older, already-ranking domains will do wonders towards convincing Google a newer site deserves to be trusted. I also like to get a few higher-PageRank links in there (sitewide? even better). Yes, I know that tip is going to bring out the haters (insert “PageRank is dead!” comment here). But it appears that “overall link weight” seems to matter again in Google, if not in terms of rankings, at least in terms of indexing.
5. Get some links to internal pages. This is all about convincing Google your site doesn’t have “hollow shell syndrome”–when a site has, say, 20 pages, and a few dozen backlinks, but 100% of those backlinks are pointing to the homepage. Most often, the homepage of the site is in the normal index but all of the internal pages have gone supplemental. I usually go “brute force” at one internal page and get 3 or 4 links to it (giving this one internal page so much link weight that Google pretty much has to index it); normally, GoogleBot revisits the entire site and re-crawls and indexes the other internal pages, too (up to a point: if the site has hundreds or thousands of pages, you’ll need to rinse+repeat this a few times).
That about covers it. Usually the bottleneck & hardest part is building the trusted links: for help with that, see my link baiting guide.
Did you enjoy this article?Bookmark it at Del.icio.us.
Don't forget to subscribe to the Tropical SEO feed!