Image optimization method in the age of Reading and mapping

Source: Internet
Author: User
Keywords Now the degree of attention

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall

Now, the attention of 95% webmaster are in the regular search traffic into the site, and ignore the image search, in this reading era, the image of the site has a very important impact, especially the more pictures of the site. Picture optimization is a very detailed SEO optimization process, perhaps you add an ALT, you may let the picture ranked first, picture optimization good, will bring unexpected traffic to the site.

  

First give a perfect picture code:

...
<title> ... keyword ...</title>
...
<h2> ... keyword ...</h2>
<p>
<img
Src= ".../xxx-keyword-xxx.jpg"
alt= "... keyword ..."
title= "... keyword ...-Copyright xyz"
Width= "height=" "450"/>
<br/>
Image: <strong> ... keyword ...</strong>
</p>
<p> here is the text that contains the keywords .... Here is the text that contains the keyword .......</p>

This is the best optimization of picture optimization, we see a lot of image site will use this section with code to show its single picture, it contains the following information: title, H2 tag, ALT, picture title, picture description, the text around the picture. Here are some factors that affect the picture:

1:onpage ranking Factor

The surrounding text, that is to say, the text around the picture should contain one or more keywords, if it is an independent page then the role of title is very obvious, but if the article is written very long,

ALT attribute is an important part of search engine optimization, Alt is best to include keywords, if your picture has links then Alt will be treated as an anchor text.

The title property plays a smaller role, but the user of this text is very important when the mouse is placed on the picture that will automatically appear in the ToolTip text. Content relevance, there are many good ranked pictures but the content of the page is not related to the case, the problem has not been fully resolved.

2:onpicture ranking Factor

Picture size: The picture should be between 320 pixels to 1280 pixels is the best use of search optimization. According to the experience of foreign users, the greater the picture in the more easily ranked on the first page of Google search results.

The proportion of the picture should be 4:3 in the most perfect, the maximum is 16:10, that is, the landscape is more conducive to the image of the search engine included. But with the time of reading, the search engine will also change the image of the collection.

Picture file name: A successful picture has a very important file name, such as "parrot.jpg" such a descriptive file name than "T123.jpg" is more conducive to optimization, but the file name is written very long, will be counterproductive.

Picture type: jpeg,gif or png? My opinion is that for JPEG images in the Lou blog more, but PNG compression rate is better, of course, this is just a person feeling.

Copyright notice: Many of the content of the Web site will display "via or source", which indicates that the site is a reference to the image, which not only shows that this is a responsible site, but also to the source of the site to increase the number of images rankings.

File size: The size of the picture does not affect the ranking factor, but small picture loading faster, usually without affecting the quality of the picture compression to 60%-80% is very necessary.

Original: Obviously, both Baidu and Google, like original pictures. Search engines are determined mainly by calculating the hash value, Phash algorithm and SIFT algorithm, which is not described here.

Link: If there is a link in the picture can bring unexpected traffic. Hotlinking Pictures Although very occupy the flow, but will not occupy CPU resources, if the server resources enough, you can remove the picture hotlinking settings.

Picture optimization actual combat experience

1:alt is important to use concise descriptive text for picture filenames and alternative text, including keywords but not too long.

2: Add a link to the picture, but don't write the description text too long.

3: A special partition for the picture is a storage directory, such as upload or images directory.

It is important to note that the image optimization will not have an immediate effect, it often takes 2-7 days or even longer to be included, according to the keyword competition, the picture will slowly to search results first move.

Author: Lou

This article address: http://lusongsong.com/reed/497.html

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