短暂的 content

How 谷歌 Might Identify Transient Content on Webpages

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早在2007年,我写了一篇有关Yahoo专利的文章,描述了Yahoo!可能会抓取网页,然后在大约一分钟后重新抓取同一页面,以查看页面上的任何链接是否已更改。它可能会这样做以试图确定它叫什么“Transient 链接,”或指向诸如广告之类的链接的内容,这些内容可能会在每次访问页面时发生变化,’搜索引擎想要爬网和建立索引的链接。该职位是 A 雅虎 Approach to Avoid Crawling Advertisement and Session Tracking 链接.

谷歌 was granted a patent this week on a similar topic that looks at “transient”网页上的内容。虽然这类内容可能还包括广告,但在回访页面时会定期更改,但也可能包括诸如当前天气预报(沃伦顿,弗吉尼亚州,40度和多云)之类的内容。这类内容会定期更改,但通常与页面其他位置上的内容实际上没有任何关系。

谷歌 would want to be able to identify 短暂的 content so that it wouldn’t基于它的索引页面,并且它不会’也不会显示针对此的广告。

内容和令牌

这种方法可能不像Yahoo专利那样查看页面上的URL,而是可以查看页面上的实际HTML代码并将其分解为令牌。然后,搜索引擎可能会使用哈希方法来识别每个令牌,并使用指纹方法来找到相同的哈希(或令牌)。例如:

页面的HTML代码可能像今天这样:

<html><header><title>Hello</title></header><body> <h1>First section</h1> <p> <em>今天是2007年6月24日,星期日。</em> </p> </body> </html>

第二天搜索引擎可能会检索到同一页面的第二个版本,但有一些更改,如下所示:

<html> <header> <title>Hello</title> </header> <body> <h1>First section</h1> <p> <em>今天是2007年6月25日,星期一。天气预报为Sunny。</em> </p> </body> </html>

搜索引擎可能会将网页第一版的标记语言分解为令牌,如下所示:

1: <html>
2: <header>
3: <title>
4: 你好
5: </title>
6: </header>
7: <body>
8: <h1>
9: 第一部分
10:</h1>
11:<p>
12:<em>
13:今天是2007年6月24日,星期日。
14:</em>
15:</p>
16:</body>
17:</html>

第二天可能会休息’的标记语言转换成非常相似的标记:

1: <html>
2: <header>
3: <title>
4: 你好
5: </title>
6: </header>
7: <body>
8: <h1> 9: 第一部分
10:</h1>
11:<p>
12:<em>
13:今天是2007年6月25日,星期一。
14:天气预报:晴天。
15:</em>
16:</p>
17:</body>
18:</html>

然后可以对它们进行处理,以使它们位于数据表中,并且可以快速进行比较以查看发生了什么变化以及发生了什么变化’t.

谷歌 may use those comparisons to determine that some of the content on a page changes regularly, but doesn’不会影响该页面上的其余内容。如果是这样,它可能会决定内容是“transient.”

谷歌 may also look at where certain content appears within HTML paths on the different pages of a website as well, to attempt to find 短暂的 content that might re-occur on multiple pages. An HTML “path” might be something like <html>><body><div><ul><li>, where specific content might be after a number of open HTML tags, as if in a “path.” If content has been identified as 短暂的 appears at a certain path on one page, and a number of other pages have the same HTML paths, the content on those other pages might be analyzed to see if it it 短暂的 as well.

该专利是:

Identifying 短暂的 portions of web pages
由Eran Gabber,Michael Flaster,Ruoming Pang和Shanmugavelayutham Muthukrishnan发明
Assigned to 谷歌
美国专利8,086,953
2011年12月27日授予
提交日期:2008年12月19日

抽象

Systems, methods and computer readable media for identifying 短暂的 content in web pages. Transient content can be identified, for example, 通过 parsing different versions of the same web page into tokens, and inserting fingerprints associated with the tokens into data structures. The data structures can be compared to each other to identify differences between the web pages, thereby identifying 短暂的 content associated with the web pages.

外卖

谷歌 may also look for 样板 页面上的内容通常对于一个网站的多个页面都是相同的,并且对于所有页面而言可能都是相同的。该样板信息可能包括版权声明,导航栏和侧边栏。侧边栏,页脚和页眉中的文本和其他信息,从一页到另一页可能是相同的。当要在搜索结果中为该内容建立索引时,样板信息的权重可能不如页面上的主要内容信息那么重要。瞬态内容可能与样板内容位于相同的区域内,但它们彼此不同。

与样板不同“transient”内容可能会由搜索引擎爬网程序从一次访问更改为另一次访问,并且很容易包含在页面的主要内容区域以及其他部分(例如标题部分,页脚或侧边栏)中。它可能包括时间和数据以及天气信息,或者广告或其他不’不一定与页面上的内容真正相关,而页面上的内容从一次访问到另一次访问仍然相对静止。

临时内容也可能是与页面上其余内容相关的内容,’s a question about how 谷歌 might treat that.

I’确保可能有办法区分诸如每天可能更新的天气更新之类的内容,以及“featured”产品说明可能链接到网站上的更深页面,并且每天或每小时更新一次,但该专利没有 ’真正区分不同类型的内容以及如何区分两者。有些网站还包含其他内容,例如旋转的推荐书或旋转的引号或定义可能会随机更改,’s no indication from 谷歌 within the patent as to how it might handle that as well.

如果内容包含以下内容的链接和说明:“featured” products, and those are random or update very quickly, that might increase the chance that 谷歌 sees that content as 短暂的. 如果你 want to show testimonials and have them indexed, the best approach might be showing some testimonials that don’请勿更改以及指向更完整的证明页的链接。

当然不会’如果您有时间,能力和意愿,也不要去测试这些东西。我们不’t know if 谷歌 has implemented this “transient”内容方法,如果有的话,它们可能具有哪些功能,限制和控制。

该专利也没有’t discuss sites like news site or blogs which might use very similar HTML paths to content like fresh news 文章s or blog posts that might change as well, but there are likely ways to distinguish that type of 短暂的 content from 短暂的 content that the search engine does want to index.

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67个想法“How 谷歌 Might Identify Transient Content on Webpages”

  1. 嗨,比尔,

    谢谢你的好文章。这是一个非常有趣的话题。

    From what you know, would 谷歌 be able to use this for identifying sites where news occur (and get edited frequently) to help indexing relevant news stories faster/better? Hence staying on top of world crisis’?

    – Michael

  2. 真是抽烟!!!比尔,我实际上是在我的网站上这样做的。好吧,看起来演出开始了。感谢您的单挑。

    您知道Bill,这些帖子就是我读您博客的原因。马特·卡茨(Matt Cutts)是对的。这是最好的SEO博客。

    请继续写。

    马克(忠实的读者)-

  3. 嗨,比尔,

    Thanks for the great info. Correct me if i am wrong but it seems that somewhat this patent is hinting towards crawling links that are template driven. For example links like Top Navigation or side navigation which are present on each and every page need not be crawled again and again. This could also mean that crawlers will be able to devote more time to crawling other pages. As far as affiliate links are concerned it would be very interesting to know 谷歌’与其他第三方平台相比,采用的AdSense方式。

    – Sajeet

  4. 嗨,比尔,
    非常有趣的文章。它确实让我们领略了我们的位置以及事物将变得多么复杂…

  5. 更重要的是,在放置重要链接(或更重要的是未放置链接)时要小心。

    If sidebar and top nav links risk being classed as tansient or 样板 as suggested 通过 Sajeet will it have a negative effect on template based sites and encourage more use of important links within the 身体text? (as a lot of people do already)

    我个人可以’t really see why nav and sidebar links would be classed as 短暂的 unless they are rotating or randomly displayed, but who knows? If they are in the same blocks as 短暂的 links they may be effected.

  6. 真的很有趣,对我来说很有意义’m surprised 谷歌 hasn’不能以某种方式做到这一点。

  7. 我喜欢您对特里的解释。我得到你’说并同意,如果他们’在同一街区,那么他们确实可能会受到影响。

  8. Thanks for explaining the concepts of 短暂的 and 样板 contents, totally new to me.
    2012年对本博客的所有读者来说都是快乐的SEO!毫无疑问,在2012年,它将仍然是所有SEO博客的基准。

  9. 非常有用的信息。根据我读过的一篇文章,我也了解到SEO的一件事,人们不应过多地关注meta标签,而应更多地关注标题和描述标签。但是我当然同意你的看法,在这个时代,要成功在线上营销,学习和擅长SEO的压力很大。

  10. Thanks for explaining 短暂的 and 样板 contents.
    一分钱掉了东西,我听说可以解决这个问题,但是没有 ’在阅读您的博客之前,您不知道它适合什么。

    那 was to use Java for rotating Ad or similar content as 谷歌 doesn’没读过《杰夫》,所以您的网站没有’不会因此受到惩罚。

  11. 像往常一样,您问和回答通常被忽略的问题。

    这是我对瞬态内容的直接疑问。

    您认为这对网站上的新闻片段等意味着什么。我在自己的网站上添加了一个来自同一细分市场的rss提要,以便Google看到的数据每天在我的网页上而不是每周更改。我听说这对维持等级很重要。

    另一个非常有趣的事情是它如何处理论坛帖子。我知道有些黑帽seo家伙会只更改一两天的信号来使网站膨胀’的等级,然后将其更改为下一个客户,这将在seo公司的所有帖子的sig上有效地对其进行更改。我也想知道专利是否会出于SEO目的而贬低论坛发布的价值?这将使博客更加受欢迎!

  12. To be honest the only thing I can see that 谷歌 will use it is to strengthen their ability to distinguish template from content to differentiate pages/posts from each other. Since we already know that 谷歌 treat differently site-wide links, 我不’t think that we are going to see some surprising features from 谷歌 in regards to this patent. With that said, I might be short sighted 🙂

  13. 嗨,比尔,

    有趣的文章,发现很难跟上HTML和SEO的变化,但是您的文章确实使它变得更容易。
    谢谢你,祝你2012年美好

    古尔山

  14. Thanks for the 文章 Bill. So are you suggesting that 短暂的 content is now taboo and that the only kind of content I should consider is permanent content related to my site?

  15. Thanks for the great post Bill. It seems that e-commerce sites which use a lot of 样板 content are likely to be affected 通过 this patent. Also, it is a good thing that 谷歌 is aiming to identify pages with relevant content and pages which have a lot of affiliate content present.

    对于SEO世界中的每个人来说,2012年看起来将是有趣的一年。

  16. 嗨,比尔,
    having read this interesting blog 文章, I am now able to understand 谷歌`s reasoning behind this better.
    谢谢!

  17. I’我热衷于了解这如何影响内容频繁更改的高流量博客。

    Per eCommerce sites, not much has really changed with how the big G will view their content, since they have been able for a while to identify 样板 content in navigation menus.

  18. 法案,

    感谢您的回复。
    Yes, I understood that from your replies. Actually, I think it is a good thing if 谷歌 will be able to really grasp the ultimate focus of the page and will not be “destructed” 通过 the “noise”。这将使他们能够提供更有针对性的流量。

    我在您的答复中看到的另一点是嵌入式RSS提要的问题… if 谷歌 will decide not to index these links, it probably will have a huge impact on rankings of many sites that currently have lots of backlinks pointing from their feeds all over the web.

  19. 嗨,迈克尔,

    谢谢。有一些确实经常更新的网站,例如新闻网站和一些博客。该专利是’关于确定这类内容和经常更新此类信息的站点的内容太多,而对于确定确实没有更新内容的内容更多’将任何内容添加到页面的主要内容中,例如每天或每天更新几次的天气报告。

    例如,当《华盛顿邮报》的页面顶部包含天气预报小部件并经常更新时,’s something that 谷歌 might learn to recognize as 短暂的 content so that it won’当索引这些页面并将其用作可能基于广告的内容时,请包括该天气预报信息。

    The process where 谷歌 might revisit pages and recognize that there is new content to index, and learn about how frequently a site tends to update, so that it can crawl and capture fresh content is a little different. When it visits those types of pages, it might notice news lead type paragraphs that point to new news 文章s upon frequent revisits, and recognize that it is content that a site owner does want indexed.

  20. 嗨,马克,

    感谢您的客气话。

    我不’t think there’s an absolute harm in having some 短暂的 content on your pages, but what concerns me is how easy or difficult might it be for 谷歌 to distinquish between 短暂的 content and doing things like having a list of something like random links to “featured”产品或故事。一世’m not sure that the patent itself is helpful in telling us how and when 谷歌 might distinquish between the two.

  21. 嗨,约翰,

    I’我不确定这对付费链接是否可能非常有效,或者至少对付费链接无效’并不会随着时间的推移而变化,这与Adsense提供的链接不同,后者通常每次访问都指向不同的地方。

    谷歌’s reasonable surfer approach seems like one method that might diminish the impact of paid links, and 谷歌’根据历史数据专利及其子项对内容和链接随时间的推移进行跟踪可能是另一种可以以某种方式帮助识别那些类型的链接的方法。例如,如果某个链接突然出现在嵌入主内容区域的页面上,并且该链接的锚文本与该页面上的其余文本完全无关,则指向的页面就是商业目标网页提供商品或服务,这可能是值得研究的链接是否为付费链接的信号。

  22. 嗨,西尔万,

    我认为事情总是比大多数人愿意猜测或期望的更为复杂。

    The kind of 短暂的 content that this patent filing attempt to not index or use for ads is something that would make the quality of search results not as high if it was indexed, and the content of advertisements not as relevant for pages if it was used to categorize those pages.

  23. 您好Sajeet,

    专利没有’出来说它正在专门寻找模板,所以它没有’t仅限于此,但它确实表示它可能会尝试了解页面的HTML结构,以及是否在一个或多个页面上复制了该结构,以及是否在多个页面上出现了相同类型的瞬时内容。因此,它可以用于识别出现在模板以及其他页面上类似HTML结构中的瞬时内容,例如以某种方式格式化的小部件。

  24. 嗨,特里,

    在阅读专利时,我的想法之一是,如果这些链接的文本或这些链接随附的文本是您所认为的,那么在页面上随机链接到Web或您网站上其他页面的想法可能不是一个好主意。可能想要索引。我在找到专利后不久写了这篇文章,’不是我’我有机会尝试在任何时间进行测试,但是’可能值得测试的东西。

    我认为,页脚,页眉和侧栏内容如果不包含,则更有可能被视为样板’•定期更改,并且那些出现在那些确实更改得非常频繁或随机的区域上的内容会被识别为短暂的更改。我在阅读专利时想到的一种情况是随机推荐书,这些推荐书可能会出现在页面的几乎任何位置,并且随着访问的进行而变化。它们可能不会损害页面本身的排名,但是可能会将内容视为瞬态的,并且在对页面建立索引时可能没有太大的意义。

  25. @Michael(第一反应)

    这是一个好问题。我的网站非常动态,并且通过不同‘listings’进入首页时(新发布的内容),因此内容每天(有时每小时)都在变化。这将与您询问新闻时处于​​相同的思维过程中,因为它是如此迅速且频繁地变化。

    However, my take on it is, if 谷歌 has already figured out your site, it would be able to detect whether the content/links/whatever is changing frequently, is of use and relevance to your site, and ultimately users. If yes, it crawls/indexes as normal. If no, because it has deemed the content/links to be ads/spammy/cloaking, etc., then they will no doubt de-value it.

    无论如何,我们徒劳无功… 谷歌 was just outed for buying links to promote 谷歌 Chrome. What a fine example they offer to their loyal webmasters community.

  26. 嗨,马特,

    该专利最初于2008年提交,’他们可能已经尝试了一种与专利提交前一年某个时候描述的方法类似的方法。作为网站所有者,如果我的页面开始获得天气报告的访问量,如果我在页面顶部包含一个天气报告小部件而不是吸引访问者访问我创建的内容,我可能会感到有点沮丧。这个想法听起来很合理。

  27. 嗨,pankaj,

    I’d同意人们应该更多地关注标题和元描述,而不是元关键字。这个帖子真的不是’关于其中的任何内容,而是针对可能会使网站更有趣的内容,但实际上并没有’t添加到页面焦点等内容中,例如天气预报。

  28. 嗨,廉价交通专家,

    It’如果可能的话,使用Java脚本之类的广告来展示广告可能是一个很好的做法,’不会被索引。不能完全确定该专利是否对出现在页面上的所有随机广告有效,但是如果您’如果不选择要显示的广告的内容,则很可能您没有’仍然希望搜索引擎对该内容建立索引。

  29. 嗨布鲁斯,

    我不得不说我 ’我经常对我在专利申请中遇到的一些事情感到惊讶,而且很多时候它们涉及真正避风港的话题’讨论很多,值得花一些时间。

    我想我’ve seen content from RSS news snippets and RSS 推特streams get indexed in the past 通过 谷歌, but 我不’t know if that’s something that could change overnight. I could see 谷歌 deciding at some point that kind of content might be 短暂的, and if they do, it might be the kind of thing that they decide to stop indexing.

    它确实有一些价值,显示这些供稿有时对访问者有帮助,但是如果它们意味着页面上的其他内容没有作用’索引无法获得搜索引擎的足够重视,那么它可能会使页面访问者对新闻源中的内容比页面其余部分的内容更感兴趣。问题是,当您的页面访问者根据这些RSS feed的内容到达时,他们会停留在阅读您的页面还是通过RSS feed链接?

  30. 嗨,阿萨夫,

    您可能专注于太多“templates.” While 谷歌 might find 短暂的 content in templated content, it might find it in untemplated content as well. It’s just as likely that 谷歌 might identify a widget that produces something like a weather report on a page, and use the HTML structure of that widget to identify it on other pages of the same site.

    I think the important thing to keep in mind here is that if you purposefully set up some content on your pages to behave in a way where it might be perceived as 短暂的, and you want that content indexed, it’s possible that 谷歌 might not index it.

  31. 嗨,丹,

    I’m not suggesting that 短暂的 content will harm you in any way.

    But this patent does seem to warn that if you have content on your pages that does appear to be 短暂的, 谷歌 may not index that content or use it to decide which advertisements to display.

    If the 短暂的 content is something like a weather report, which might be completely unrelated to the rest of the content of your page, that’实际上可能是一件好事。

    如果内容确实要编入索引,例如列表“featured”产品和指向它们的链接(在您网站的其余部分)’s possible that 谷歌 might consider those to be 短暂的 if they change on every return visit – even a minute or so later. After reading the 雅虎 patent I described in the post involving 短暂的 links, I often recommended to people that if they do something like a section on 精选 products, to try to change them daily or weekly instead of randomly to make it less likely that they might be mistaken as 短暂的.

    Given this idea of 短暂的 content and how 谷歌 responds to it is something that really hasn’在授予该专利之前,已经进行了很多讨论,’s something that might be worth experimenting with. 谷歌 may not be using it at all, or it’他们可能会在下个星期不加通知的情况下开启某些功能,或者可能是他们尝试过甚至可能放弃以继续使用新功能。无论哪种方式,都可能需要尝试和探索。

  32. 嗨Anindita,

    I’m not convinced that 短暂的 content should be looked at in the same way as 样板 content. The term “boilerplate” implies content that is the same everytime you visit, and that might not have much to do with the content of a page. It 分享 with 短暂的 content the idea that indexing it really won’t help a search engine deliver a searcher to a meaningful page, but 短暂的 content is identified in part 通过 the idea that it changes so very quickly.

  33. 杰夫,你好

    我不’认为该专利将对经常更新的新闻站点和博客产生很大影响。这更有可能使网站使用的某些类型的窗口小部件显示随机报价或推荐,天气报告或其他不’t really related to the rest of the content of a page, to having that 短暂的 content from being indexed 通过 the search engine.

  34. 嗨,费利,

    I agree with your assessment regarding how 谷歌 may identify the structure of a site using a blog format or newspaper format with frequently update content, and treat that content as if it were actual content rather than 短暂的 content. I believe that the target is this patent is more the weather report type content that appears on pages, than it is to things like excerpts from blog posts or news 文章s that often link to full pages with 标题s that may match the 标题s to the excerpts, and content that is similar to the snippets shown on a main pae.

  35. 嗨,阿萨夫,

    It seems like 谷歌 hasn’在这一点上,根据我进行的一些搜索,目标RSS提要’ve done, and it’他们可能不会,或者至少可能不在本专利申请范围之内。但是,是的,如果他们决定这样做,可能会对相当多的站点产生重大影响。

    我不’认为人们应该对此感到恐慌,但要意识到这种可能性,并找到其他吸引其他链接的方法可能不是一个坏主意,只是为了将来证明他们的站点免受这种可能性的影响。

  36. One thing seems unclear to me: How will 谷歌 be able to differ between e.g. “most sold products”在不断变化的电子商务网站上以及更多“shady” 短暂的 content created to make the site seem fresh all the time?

  37. 真好一世’m sure google already checks 短暂的 content to remove spamy, “flashing”链接。自2009年以来,我们不再使用此类“链接交换系统”,因为它根本不起作用…

  38. 我从未听说过“transient content” even though we have been doing SEO for 6+ years. Wow. 谷歌 gets smarter every day. One issue with their approach might be social media feeds, which could change on every page refresh.

  39. 感谢您分享精彩的文章。
    我试图了解Google如何看待更新的内容很有趣。我听说有人说更新内容经常是他们所做的,因为他们相信这样做可能会产生更好的排名,但是我认为,教训是Google正在开发工具来确定对内容的细微更改是否确实与内容相关。用户正在搜索的页面。例如,隐私政策的更改可能不符合该标准进行索引的资格。您的博客上有一篇很棒的文章,介绍了Google如何识别偶然的内容(例如每天更新的天气更新)与特色产品说明(链接到更频繁更新的网站上较深的页面)之间的区别。

  40. 嗨,比尔,对不起,我可以’不要发表评论,因为我需要先翻译成印度尼西亚语的文章然后再学习。但是,自从您了解SEO以来,我想问一件事。

  41. I was going to jump in and suggest that 谷歌 should have done this years ago, but with more consideration I bet it takes a shedload of processing power (and cumilitive time) to perform this. I wonder how 谷歌Bot knows which sites are *likely* to have 短暂的 content, and re-crawls appropriately?

  42. It’这些爬虫正在变得多么复杂,这太疯狂了。这是我第一次听说,感谢您提供的信息。一世’d share your concern that dynamic links to 精选 items could be flagged 通过 谷歌 and you could be penalized without even knowing it was happening. Troubling.

  43. 伟大的阅读!我没’t sure if 谷歌 actually did this, it certainly makes sense especially for link tickers and link farms that put random links on pages with rotation ext.

    要进一步研究它,确实非常有趣!

    照顾自己,

    利昂

  44. 嗨,比尔!

    I’m just curious, if I interpreted this correctly, would using Genesis Simple Sidebars to vary your sidebar content, based upon the individual page content, be beneficial to avoiding 短暂的 content ‘detection?’ I’m在房地产和帖子页面以及帖子中通常如此,所以我当然不能为每个帖子/页面创建不同的侧边栏,但是,如果我有20个品种,而不是1个,我想知道这是否有帮助?

    谢谢!有趣的文章。

    -德比

  45. 嗨格雷格

    如果你’re concerned about a page being indexed and showing up in search results for the content found on those page, having a social media feed that constantly changes can make that page less relevant for the terms that appear upon the page. So if 谷歌 decides not to index content from the display of those feeds, it might not be that bad of a thing.

    如果你’依靠同一页面获得流量的社交媒体Feed中显示的字词,’另一回事。页面可能会针对显示在供稿中的术语进行排名,特别是如果它们包含非常及时和主题性的术语,并且没有’Web上的许多其他页面都包含这些术语。

    I have been seeing pages showing up in search results for terms found in displays of RSS feeds for queries that are both long tail and very recency sensitive, so it appears that 谷歌 is still looking at those. But they could potentially stop doing that at any time, and justify doing so 通过 saying that those RSS feeds do make pages less relevant for the main content on those pages.

  46. 嗨,Ucup

    那’s part of why I added the 谷歌 Translate widget in the top right sidebar on this site –使不这样做的人更容易’t speak English to read what I write. I know 谷歌 translations aren’t perfect, but I’m hoping they help.

    I started working promoting websites in 1996. 那里’关于我的更多信息:

    //www.ao-da.com/about-seo-by-the-sea/

    谢谢。

  47. 嗨,马特,

    Doing something like a 短暂的 content check can mean that 谷歌bot might have to work harder and revisit pages more often.

    It’s possible that 谷歌 might have some kind of predictive algorithm that might tell it that some sites might be more likely to have 短暂的 content, but I’m not sure that they do. I would guess that they might also do something like what 雅虎 does with 短暂的 links at the same time, which would make revisiting pages to check those things even more worth doing.

  48. 嗨,查尔斯,

    我不’t know that you would potentially be penalized for random content and random links to 精选 products. But it’s possible that search engine might ignore that content, or decide not to follow those particular links because of their 短暂的 nature.

  49. 嗨德比

    It looks like the Genesis Simple Sidebars plugin enables you to have unique content within your sidebar for different pages and posts. I could image that you could include 短暂的 content within those sidebars if you wanted (like random testimonials or RSS feeds from 推特, or other changing content), but it looks like you could put content within them that doesn’也要经常更换。

    例如,如果您在一个房地产网站上有10个页面,涉及10个不同的社区,而您决定放一些“facts” about each of the neighborhoods appropriate to those individual pages, you could use that sidebar to do it. The neighborhood 1 page could have 事实 about neighborhood 1 in its sidebar such as the schools in the area, the average price of homes, if there are parks nearby, and so on. The neighborhood 2 page could have 事实 about neighborhood 2 in its sidebar, and the neighborhood 3 page could display neighborhood 3 事实.

    那’s 不是暂时的 content in that visitors (and search engines) keep on seeing the neighborhood 3 事实 when they visit the neighborhood 3 page. It doesn’每次访问都不要更改。

  50. 嗨,比尔,

    首先让我从这是一个非常有用的博客开始,我’我是做网站和博客的新手,所以我’一直试图了解一些可能会评估我的网站的因素。所以我一直在想’m in real estate could my house 列表 page be considered as 短暂的 content? The listing do change and sometimes frequently. So seeing this blog it made me wonder whether or not that would affect my website. As my business is to sell houses it is important to me for 谷歌 to see this information as relevant. is there a way to mark my 列表 as “not 短暂的”?

  51. 第一次在您的Blog上。您写的有趣的文章。
    For me 谷歌 method for identifying ‘transient content’ is more robust than
    雅虎’s. But 雅虎’的方法很旧,我怀疑他们仍然使用相同的方法
    自2007年以来的战略。
    布特罗斯。

  52. 嗨,马特,

    谢谢。 我不’t think that this approach from 谷歌 is intended to impact house 列表, or ecommerce product 列表 that might be listed one day, and then removed the next.

    取而代之的是,他们正在查看可能出现在页面上的文本片段之类的内容,例如随机显示推荐书,或者页面顶部的天气指示器,每天可能会更新几次,甚至每天可能会更新一次。

    谷歌 hasn’t officially announced anywhere that they are actually doing this review of 短暂的 content as far as I know, except in this patent granted to them. I haven’在帮助页面或实际涵盖此内容的博客文章中看不到他们的任何内容,以及将某些内容标记为“not 短暂的.” 那 doesn’不是说他们不是’不要做这样的事情。

    But I would suspect that if they are, that your 列表 of houses wouldn’这是他们想要影响的事情。

  53. 嗨布特罗斯,

    很高兴得知您发现这篇文章很有趣。

    雅虎的方法是出于稍微不同的目的。它查看的是链接而不是内容,并尝试通过在第一次访问后的短时间内重新爬一个页面来确定某个链接是否是临时的,以查看是否有任何链接已更改。这个想法是,往往会迅速改变的链接通常指向Yahoo可能不希望爬网的页面,例如广告。我们不’尚无法确定Yahoo是否实际使用了该方法,但似乎可以做出合理的假设。

  54. 我认为在处理新内容时,第一件事是要确定您要处理的查询是否优先于旧文档,而不是新文档。如果他们不这样做’t,那么您可能不必过多考虑新鲜度因素。那么,重要的是要确保内容随着时间的流逝而相关,并且始终对访问者有用。

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  56. 不错的阅读。
    即使我们不’不知道这种“瞬态”内容方法是否已经实施,’知道并意识到是一件好事。
    我考虑过是否是否也可以将其视为“瞬态”内容,如果网站上的模块以随机的顺序用公司信息等洗牌了不同的公司?

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