知名博客网站Backlinko对130万个YouTube视频进行研究，帮助视频创作人更好地了解YouTube搜索引擎如何运作。

Backlinko, a famous blog site, had a research on 1.3 million YouTube videos to help video creators know further about how YouTube search engine runs.

一、 评论和搜索排名关联很大

Comments have close relationship with search rankings

YouTube鼓励视频制作人发布能让大多数人参与进来的视频，而评论是用户与视频互动的强有力指标。

YouTube encourages the creators to establish videos that can involve the majority of people and comment is a powerful indicator which shows the interaction from users to the videos.

如图所示，视频评论越多，搜索排名就越高。

As you can see, the more the comments are, the higher the videos rank.

二、 长视频的搜索排名比短视频高

The longer the video is, the higher it ranks

当涉及视频SEO时，企业应该创建短视频吗？还是更深入主题的长视频？

When it comes to SEO, should enterprises esbtalish a short video? Or a long video which is rich in contents?

事实上，YouTube上搜索结果页第一页的视频平均长度是14分钟50秒。

In fact, on YouTube, the videos of the first page of search result are mostly 14 minutes with 50 seconds.

YouTube公开证实，视频总观看时间是关键的排名指标。

YouTube confirms that video time is the key factor which influences the ranking.

简要来说，YouTube想宣传能让人长期留下来的视频，长视频更能实现这一点。

To be brief, YouTube is more likely to choose to advertise those videos that can keep audiences staying longer and this is the reason why long videos are more popular.

事实上，如果你粗略搜索下热门关键词，其实很难在搜索结果中找到短视频（<3分钟）。

In fact, if you search some keywords, you can hardly find some short videos which are shorter than 3 minutes.

三、 视频分享量和搜索排名关联很大

The more the video gets shared, the higher it ranks

研究发现社交媒体分享量与搜索排名关联程度很大。

The research shows that public sharing has great relationship with the ranking.

将社交因素作为排名指标存在一个主要问题，那是因为社交因素可以人为改变。但YouTube上的情况有所不同，因为YouTube知道哪些用户分享了视频，也知道用户分享的视频是什么。

There is a point which is worth to mention is that social factors can be influenced by people. But things are different on YouTube because YouTube knows who share videos and what they share.

因此，在YouTube上，社交信号难以人为进行改变。

Therefore, on YouTube, people cannot simply influence it.

四、 视频观看量与排名关联很大

How many audiences watch the video make a difference on rankings

YouTube发现，观看量高不一定说明视频质量好。因此YouTube改变了它的搜索排名算法，强调让受众留下的能力以及参与度等因素。

YouTube finds that it doesn’t always mean the video is great even lots of people watch it. Therefore, YouTube changes its algorithm to make sure rankings can be affected by videos’ ability to have people stay and degree of people’s participation.

不过研究发现，视频的总观看量仍然和搜索排名有很大的相关性：

However, the research shows that it still has great and graven correlation.

但在一定程度上，观看量的影响力缩减了。

Though, its influence is declining to a certain degree.

五、 一个频道的订阅数量

Subion volumeof a channel

研究发现，一个频道的订阅人数和搜索排名有一定的关联：

The survey shows that number of subscribers make a difference on the ranking.

如果企业有一个小频道或新频道的话，那么这是个好消息。不像谷歌那样偏好大品牌，

YouTube更喜欢在结果页显示来自“小人物”的好视频。

It’s pretty wonderful if an enterprise has its own channel. Unlike Google which has a preference for big brands, YouTube prefers those great videos from “small potato”.

六、 用户点赞数

How many “thumb up”videos get matters

研究揭示，搜索排名和视频点赞数量有很大关联：

The survey reveals that ranking has great relationship with quantities of thumb up.

收到很多赞的视频可能是高质量视频，因此也会催生其他YouTube看中的而且会影响搜索排名的信号。

Videos with many thumb up may be of high quality which will also affect the ranking.

七、 吸引新订阅用户

Actions to attract new subscribers

研究显示，“subions driven”和提高视频搜索排名有很大的关联。

The research shows that “subscrptions driven” has great relationship with the ranking.

与分享量一样，YouTube会在每个视频下方展示新增订阅数量：

The same as share, YouTube will show newly increased quantities of subcribers.

研究发现，带有明显CTA行为、让用户订阅的视频，明显有更高的新增订阅用户。

The research indicates that videos with behaviours of obvious CTA and having users subcribe can attract more subcribers.

八、 关键词丰富的标签

Label with abundant keywords

基本上，视频附加的内容越多，排名越高。

Basically, the more contents video contains, the higher it ranks.

尽管标签在排名中不像以前那样重要了，但是研究数据显示它仍然有一点点影响。

Although it’s not so important as before, the research shows that it does matter a little.

九、 做了关键词优化的标题

Title with SEO keywords

一般视频标题是YouTube强调的一部分元数据。但研究发现，在视频标题中包含确切的关键词，对搜索排名仅有很小的影响：

Generally, titles of the videos just emphasize some parts of data. But the survey indicates that titles with definite keywords have little impact on ranking.

事实上，包含受欢迎关键词的视频在YouTube上排名较高，尽管他们的标签中没有包含确切的词组。

In fact, videos with titles containing popular keywords rank pretty high on YouTube, though they don’t contain exact phrases.

十、 做了关键词优化的视频描述

Video deion with SEO keywords

根据数据显示，优化了关键词的视频描述对搜索排名没有任何影响：

According to the data, video deion with SEO keywords doesn’t have any influence on ranking.

尽管如此，还是建议写关键词丰富的视频描述。因为优化描述能让你的视频出现在推荐视频栏里。

Still and all, it’s suggested to write deions with abundant keywords. Because it can make your videos show on recommended videos.

十一、高清视频

Videos with high definition

研究发现，在YouTube视频搜索结果页首页，高清视频比标清视频多。

The research shows that HD videos are more than SD videos on the first page of YouTube.

无论如何，YouTube上搜索排名高的视频是高清视频。事实上，YouTube搜索结果页首页中，有68.2%是高清视频。

Anyway, most of the videos which rank high are HD videos. In fact, on the first page of search results on YouTube, 68.2% of the videos are HD videos.

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