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For most sites, and did not deliberately pay attention to picture optimization, in the picture optimization and did not do too much work, however, the theme of the picture to show information on the site is thousands, a few. And can get a lot of traffic through picture information, which makes us have to arouse attention and attention. What are some of the details that need to be paid attention to in the picture optimization process? What are the techniques for optimizing the picture? This is where we go into deep thinking. Spare time, for picture optimization skills also carried out in-depth analysis and summary.
1, the size of the picture
The size of the picture is important, this is related to the search engine experience and user experience, the picture is too large, it is easy to create confusion in the layout of the page, resulting in the overall structural imbalance, the user browsing, aesthetic feeling greatly decreased, affecting the user browsing behavior, and will affect the speed of Web page loading, if its own web site bandwidth and More deeply its influence, directly caused the page jump rate is too high, further caused to the page ranking effect is slow. We need to control the size of the picture at the same time, grasp the picture frame, fully consider the definition. You can use the "Save as Web" in Photoshop tool to be able to control the size appropriately and improve the loading speed of the page picture.
2, the location of the picture
The position of the picture appears equally important, the picture information often can let the user and the reader visualize clearly in the mind, therefore the view, the full display picture information must reasonably grasp. At present, the application rate of the picture is gradually increased to the content of the page, often layout in front of the theme, so that the user first time to the subject of a full understanding of the paragraph, through the picture information can deepen the impression. In fact, the use of the picture is not only displayed in the content, often use the recommended articles will be used to show, so that users more intuitive feeling of the theme meaning.
3, the clarity of the picture
The clarity of the picture is unquestionable, for the website optimization, the picture sharpness is everybody must pursue. The definition of how much although the current search engine can not be reasonable to distinguish, but for users to browse is greatly discounted, even if the image to attract attention, if the upload process due to errors caused by the loss of frames, then in the user heart will also reduce a certain degree of credibility. Not only that, sometimes it will directly affect the user's decision, directly deny the content of the readability, and thus jump out of the page for the next step.
4. alt attribute of picture
Information in the picture if you want to make the search engine better understand, you must take advantage of the ALT attribute, the image of the ALT attribute is a brief description of the picture information. The ALT attribute is important, it must be related to the picture, the content, and need to avoid piling up for the keyword. This property can not only make the search engine better understanding, but also if the picture is wrong, it can let users understand their pictures want to show the theme.
5, the relevance of the picture
The relevance of the picture is very important, although Baidu can not fully identify and evaluate its relevance, but for the user experience, relevance has been considered as the focus of the picture optimization techniques. Unreasonable pictures, unrelated pictures not only can not add color to the content of the article, but will further let the reader lose trust in the site, there is a sense of deception, which directly affect the depth of the browsing and revisit. In the loss of a portion of the user, the site traffic will also face another crisis.
6, picture compression
SEO optimization process often on the picture optimization can not be perfect, in order to further improve the page loading rate, you can give due consideration to the compression picture, using gzip function, CDN services to improve the speed of the Web page loading. It is worth mentioning is compressed picture, the network compress the picture tool very many, but talked about "lossless" compression, the recommendation uses the Firefox browser plug-in page Speed, this tool uses fairly simple, and for the picture optimization effect is more prominent, the frame-losing rate is small, is worth trying.
Thinking Summary:
Picture optimization, often in large picture display station can fully reflect its role and value, in the use of the process must grasp the pertinence, but also need to pay attention to the authority of the picture, the image of the source address URL, picture link address, or even more. Full search engine experience and user experience are satisfied, for such a site, the flow of what talk will not rise? Of course, in addition to picture optimization, other optimization direction must be indispensable, more important is: to achieve a reasonable balance of adjustment.
Source: http://www.seoread.org/post/image-seo.html, author Yang Nan Strong, reprint please specify.