On-page optimization is the most basic part of SEO. As search engine ranking technology continues to improve and mature, the process required to optimize a website has become more and more complex. It can be said that even if the website has high-quality content, it is not The representatives will have a good ranking. In fact, there are many factors that affect website ranking, but one of the most important factors should be the quality of on-page optimization.
And we know that search engines recognize text far better than pictures and Flash, so text-based websites are usually easier to optimize the page, but the on-page optimization of picture-based websites is not as easy to understand as text, so this article will Let’s give a detailed introduction to on-page optimization methods for image websites.
To optimize the on-page image site, in addition to the correct settings of several image tags, you should also pay attention to the relevance of the image and the loading time of the web page. Let’s explain it separately below:
1. Relevance of pictures
Relevance is an SEO factor that many webmasters easily overlook. Relevant pictures and articles can improve the user experience and deepen readers' understanding. This is the basic purpose of our pictures. In fact, with the advancement of technology, search engines can already recognize part of the content in the picture. Therefore, it is very inappropriate to use a train as a picture on a webpage introducing Ferrari sports cars. I know this is common sense, but I still want to put this point first to draw everyone's attention.
One sentence: Don’t forget the most fundamental original intention of anything you do, and don’t be “squandered and charming”!
2.Alt tag
The Alt tag may be the most important of all image tags, because Alt is the abbreviation of "alternative" in English. On a web page, if an image cannot be opened in the browser or takes too long to load, the browser will automatically The content of the alt tag is displayed to visitors, and search engines can easily read the alt tag to determine the theme of the image. Therefore, the tag has a role for both visitors and search engines.
The principle of correctly filling in alt is to be concise and clear in description. Care should be taken to avoid too lengthy descriptions. For example, the alt tag of a picture of a pastoral scene can be: China's Yunnan countryside or European pastoral scenery, etc.
3. Image size and page loading time
The size of the image is also very important for page optimization, because large images will prolong the loading time of the page. If a page has not been opened after loading for 10 seconds, most visitors will be lost. Therefore, search engines have also begun to pay attention to the loading time of the page and use it as a basis for ranking. Therefore, the size of the image also plays an important role in page ranking. To reduce the loading time of images, webmasters should compress images well and pay attention to the reasonable choice of gif, jpg and png formats. Vector images, outline images, etc. should be compressed with gif as much as possible. For those with more colors, jpg can be used and avoid using gif. . In addition, the "Save for web and device format" provided by Photoshop for web pages can effectively reduce the image size:
In the same way, if the server used is very slow, it will also cause the page loading time to be too long, which is not conducive to ranking.
4.File name
Properly naming images is as important as putting keywords in URLs. URLs containing keywords can help search engines identify the keywords of a certain URL address page. Image names containing keywords can also enhance the accuracy of search engines' judgment of keywords and improve relevance.
Therefore, we should avoid using picture names like DSC0019.jpg. Reasonable picture naming should be in the form of keyword pinyin + hyphen: guan-jian-ci.jpg
5. Image link and link title tag
Pictures are a powerful tool to attract users to click, so if you add a link, don’t let the picture link to yourself. Links should be set to other image-related articles on the site, so that users can stay on the site longer and reduce the bounce rate.
Note that when adding a link, you must set the title tag. The title tag is a tag specifically used to represent the link name in the link. This tag can be used to prompt the user to click where to go, etc.
If you are a WordPress user, you can easily set image alt, link title and other tags with the all-in-seo plug-in. Well, the above simple suggestions will not only help the SEO optimization of image websites, but also bring more traffic to the website. I hope that all webmaster friends will develop good habits and successfully optimize their picture websites!
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(Editor in charge: Chen Long) Author elitehost's personal space