URL长度
建议不要超过255byte
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静态页参数
在静态页面上使用动态参数,会造成spider多次和重复抓取
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Meta及标题信息
搜索引擎优化的关键
该页面信息完整
Frame信息
搜索引擎抓取不到Frame的内容
该页面有框架
Flash文字描述
Flash描述能让搜索引擎了解该Flash信息
无Flash描述(0)
1. <img id="loginCode-img">
2. <img src="" id="code_img">
3. <img src="" id="code_img_new_tel">
4. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/shanghai.png" >
5. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/tianjin.png">
6. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/beijing.png">
7. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/schoolIcon/sh.png" >
8. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/schoolIcon/nk.png" >
9. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/schoolIcon/bh.png" >
10. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/schoolIcon/bjsd.png" >
11. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/schoolIcon/nkzx.png" style="width: 42px;height: 42px">
12. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/school/schoolIcon/xz.png" >
13. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/par-icon.png" class="pic">
14. <img src="https://cdn-cnc.17zuoye.cn/ucenter/public/skin/default/v5/images/login-image.png" class="pic">
15. <img id='captchaImage' height="34" style="padding: 0; height: 38px; cursor: pointer;" class="code"/>
16. <img onclick="refreshCaptcha();" id='captchaImageLogin' class="code" style="padding: 0; height: 38px; cursor: pointer;"/>
seo优化建议可以快速定位你页面哪些地方存在不利seo的因素。