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网站图片优化的最佳方式

SEO niuguang 1761次浏览 40个评论

    一:网站中重要的内容,不要使用图片。

    搜随便索引擎已经能对图片的内容进行简单的识别,绝大部分图片里的内容搜索引擎是无法识别的。对于导航或者网页中重要的位置,建议使用文字来描述,切勿使用图片。

    二:合理利用ALT标签

    alt标签指的是对图片的描述标签,简单来说就是我们买了一个产品,盒子上贴的那个产品说明。搜索引擎判断图片内容,会主要参考alt标签里的内容。alt标签通常是加到<img>标签内部的。具体的使用方法如下:

 <img src="/image/logo.jpg" alt="图片描述"/>

在使用alt标签的时候,要对图片进行描述。切勿写与图片无关的内容,或者直接堆砌关键词:

 <img src="/image/logo.jpg" alt="图片描述,描述图片,图片图片,描述描述"/>

    三:图片周围的文字要详细

   在图片中周围的文字(图片上下文),会影响搜索引擎对图片的判断。我们建议:文字和图片要有相关性。例如在描述如何烹饪美食的里面,放一张拖拉机的图片是很难让人理解的。另外,还有一个重要的地方就是文章的title。例如我搜索下关键词“海星”得到下边的图片海星

    四:图片像素和大小要适中

    图片像素越高越清晰,SEO知否建议每张图片不得大于200K。如果图片体积太大,会影响网站加载时间。导致用户体验很差。另外图片大小要合适,比例控制在四比三是最好的。

    对于图片优化,百度官方曾经也给过建议,扩展阅读,请看:《百度图片搜索收录展现基本要求》!


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