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❌ 6 criteria to solve
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工程机械商贸网-工程机械网-工程机械-挖掘机-装载机
http://21-sun.com
工程机械商贸网专业从事工程机械领域商贸服务的电子商务网站。工程机械商贸网是目前知名的工程机械门户网站，大量的企业在工程机械商贸网的辅导下完成了从企业网站制作、网上业务开展……
http://21-sun.com
工程机械商贸网-工程机械网-工程机械-挖掘机-装载机
工程机械商贸网专业从事工程机械领域商贸服务的电子商务网站。工程机械商贸网是目前知名的工程机械门户网站，大量的企业在工程机械商贸网的辅导下完成了从企业网站制作、网上业务开展……
No 301 redirects are in place to redirect traffic to your preferred domain. Pages that load successfully both with and without www. are treated as duplicate content! Not all versions of your page point to the same URL.
| URL | Resolved URL |
| http://21-sun.com | http://www.21-sun.com/ |
| https://21-sun.com | HTTP header error |
| http://www.21-sun.com | http://www.21-sun.com/ |
| https://www.21-sun.com | HTTP header error |
| Attribute | Value |
| ⓘ author | design by www.21-sun.com |
ⓘ The owner has associated the following topics to the website.
❌ 21-sun.com website speed is very slow. Page speed is important for visitors and search engines.
Get insights to improve your page loading time.
This domain loads at the median speed of 2.7 seconds.
21-sun.com is faster than approximately 28 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.
A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.
ⓘ This website is ranked #637.482 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
Mobile Rendering
This website doesn't seem to be optimized for Mobile Visitors.
Phone
Tablet
A good text to HTML ratio is anywhere from 25 to 70%.
This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.
Great, we found headings on this page.
However, you have not defined a top level heading, or <H1>. It is used to define the most important heading.
We recommend using one top level heading to set up a semantic relationship between that heading and the remainder of the content on a page. It clearly describes to the readers and the search engines what it is about.
| 2nd level heading |
| 今日聚焦： cm趣闻研究院：吃不起猪肉，还不让吐槽吗？ |
| 三一装备北极圈创-48℃极寒施工纪录 |
| 中联重科“轻量化标杆”67米钢臂架泵车下线 |
| 搏击“一带一路”，徐工又一kd工厂落子海外 |
| 铁臂直播 |
| 活动专题 |
| 行业展会 |
For a better readability, only the first 20 <H3> tags are shown below.
| 3rd level heading |
| 产品快报： 如何征服矿山！徐工xe950d矿用挖掘机测评 |
| 卡特彼勒“巨无霸”助力南极科考 |
| 徐工xr220d显身手 助力鹰潭产业园大建设 |
| 徐工gr5505征服新西伯利亚！ |
| 新中国第一台高等沥青摊铺机 |
| 热销机型： 卡特彼勒，全球实干家的强大伙伴 |
| 最新询价助您了解工程机械价格的最新动态 |
| 铁臂指数掌握全局，把握市场商机！ |
| 用户口碑帮您更好的了解工程机械产品 |
| 用户故事 |
| 铁臂视频发现更多工程机械行业的惊叹与不可能 |
| 机友播客 我要上传 |
| 铁臂图库： 价值引领 质赢未来 2019挖掘机械分会年会隆重召开 |
| 购机中心 |
| 促销活动 |
| 热销产品 |
| 猜你喜欢 |
| 二手设备 |
| 供求市场 购机方便又快捷！ |
| 配件： 徐州小松纯正配件 品质保证 |
We found 290 images on this website.
24
ALT attributes are missing on your image tags. The issue affects 21 actual different images that could be loaded more than once in your page.
Alternative text allows you to add a description to an image.
Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.
It looks like you're missing alternative text for 24 images on 21-sun.com. Check your website to make sure it's specified for each image on the page.
For a better readability, only the first 50 external links are shown below.
| ⓘ Domain Registrar | ALIBABA CLOUD COMPUTING (BEIJING) CO., LTD. |
| ⓘ Registration Date | 05/09/2000 24 years, 6 months, 12 days ago |
| ⓘ Last Modified | 03/15/2018 6 years, 8 months, 8 days ago |
| ⓘ Expiration Date | 05/09/2020 Expired |
China
SOCIAL MEDIA PRESENCE
It's a good start.
You should focus on obtaining more social shares to improve your overall SEO strategy. Check out these tips to build a better social media presence.