2016-12-21
SEO实战培训分析谷歌关键词密度，关键字密度是一个谷歌搜索引擎优化策略的一个重要组成部分，然而，寻找佳的关键字密度并不意味着只包括一个文档中的关键字比竞争对手更多的时间。在一份文件，该文件的关键字的相关性的关键字的频率之间有一个很大的差距，需要战略家和搜索引擎优化撰稿人了解，如果要达到大的搜索引擎营销效果。
什么样的关键词密度为好呢？关键词密度是一个模糊的概念，没有一个准确的公式来限定其密度,各家搜索引擎的密度值控制都不一样，甚至是同一家的搜索引擎，对不同网站的关键词密度的大小所能允许的容忍阈值也不相同，比如同样一个页面，新浪、CCTV的网站密度值达到20%可能就没有什么事情，你的估计就马上被屏蔽了,这还涉及到了搜索引擎的信任值问题，在此先不准备赘述,我们需要做的首先件事情，也许应该提到的是相关性和频率之间的差异，根据伟大的数字信息，维基饮水机，“时间”字在英语中常用的名词之一。这意味着任何给定的网站主页上，有相当大的机会，“时间”字会出现多次。如果我们应用于搜索引擎应用到基于频率的词，进一步而言一个网页相关理论… …那么，它只是将无法正常工作。
SEO实战培训认为一个更合乎逻辑的做法是反复包括行业相关条款，但因为“关键字堆砌”，由早期的谷歌黑帽SEO的采用的方法，搜索引擎很快就适应了他们的算法，以尽量减少频率和相关性之间的相关性。
谷歌如何将文档中的关键字正确的术语是“SEO实战培训”。关键字权重计算文档中的单词的重要性，并在搜索引擎索引。不幸的是，谷歌和从未公布的规模，他们使用关键字权重的判断，所以在次关键字密度可以是一个猜谜游戏位。
关键词密度布局
网站或网页选定恰当的、有效的关键词，更重要的是如何在网页中恰当地将这些关键词嵌入到内容当中。对SEO来说，这主要包括两方面的考虑：
1、关键词的位置，关键词出现在页面文件的哪个部分及先后顺序，这对网页出现在SERP页面中排名影响近来逐步降低；
2、关键词密度或关键词频率，在网页中关键词出现的频率越高，搜索引擎便会认为该网页内容与相应关键词的相关性更高，从而更易出现在SERP页面的前端。title标签是一个网页重要的搜索关键词放置的位置。在title标签内，关键字的布局方式是很重要的。重要的关键字应放置在网页title标签的开头部分。如果放上全部关键字，则在title标签内有造成关键字堆砌(keyword stuffing)的危险。千万不要在title标签内使用任何关键字超过5次，否则有可能造成keywords密度过大而被搜索引擎过滤和抛弃。
所以，Google使用关键字的重量来计算，而不是与频率的相关性，但也有似乎是一个关键字密度估计的数量，似乎相当准确。大多数SEO和数字营销人员感到舒适，包括建议的关键字密度2-7％之间的数量。这一比例计算除以网页是针对换言之，在该文件的关键字数量。
谷歌关键词密度英语版本
Keyword density is a crucial part of a search engine optimisation strategy. However, finding the best keyword density doesn’t mean just including a keyword in a document more times than a competitor. There is a great disparity between the frequency of a keyword in a document and the relevance of that keyword to the document, and that needs to be understood by strategists and SEO copywriters if the greatest search marketing results are to be achieved.
The first thing I should probably mention is the difference between relevance and frequency. According to the great dispenser of digital information, Wikipedia, the word ‘time’ is one of the most frequently used nouns in the English language. This means that on the homepage of any given website, there is a large chance that the word ‘time’ would appear several times. If we applied the theory that the search engines applied relevance to a webpage based on the frequency of words then…well, it just wouldn’t work.
A more logical approach would be to repeatedly include industry relevant terms, but because of the ‘keyword stuffing’ approach adopted by early black-hat SEOs, the search engines quickly adapted their algorithms to minimise the correlation between frequency and relevance.
The correct term for how Google treats keywords in a document is ‘Weight’. Keyword weight is found by calculating the importance of words in the document, and in the search engine index. Unfortunately, Google and the like have never published the scale they use for judging keyword weight, so at times Keyword density can be a bit of a guessing game.
So, Google use keyword weight to calculate relevance as opposed to frequency, but there does seem to be an estimated quantity for keyword density that seems quite accurate. Most SEO and digital marketing professionals feel comfortable including a quantity of suggesting a keyword density of between 2-7%. That percentage is calculated by dividing the number of keywords a webpage is targeting by the number of other words in that document.
A rule I always try to apply is think of a piece of SEO copywriting like a conversation. If you’re trying to explain to another person about what a business does or what a product is, what keywords would you use and how many times would you use them. Using certain industry relevant phrases lots of times would seem unusual in a conversational format, and not using them enough could leave the listener confused or unsure. Keyword density should always be natural, never forced.
很多人总是试图申请一个规则是想到了搜索引擎优化培训文案一块交谈。如果你试图解释另一个有关业务或一个产品，你会用什么关键字优化排名，多少次，你会使用它们的人。使用某些行业的相关词组很多次，似乎不寻常的对话格式，并没有使用他们足够可以让听者混淆或不确定。SEO实战培训分析谷歌关键词密度总结一句话，关键字密度应该始终是自然的，没有强迫，那么就已经足够了！
