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❌ 5 criteria to solve
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上海CA认证中心 | 数字证书|电子签名|电子签章|网络信任综合服务
https://sheca.com
上海CA中心成立于1998年，是中央密码工作领导小组批准的唯一试点，为政府、企事业单位、个人等提供合法合规的第三方电子认证、数字身份相关产品和集成实施服务，累计服务客户和企业用户超350万家。
https://sheca.com
上海CA认证中心 | 数字证书|电子签名|电子签章|网络信任综合服务
上海CA中心成立于1998年，是中央密码工作领导小组批准的唯一试点，为政府、企事业单位、个人等提供合法合规的第三方电子认证、数字身份相关产品和集成实施服务，累计服务客户和企业用户超350万家。
Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.
| Attribute | Value |
| ⓘ viewport | width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0 |
ⓘ The owner has associated the following topics to the website.
ⓘ This website is ranked #308.485 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
Mobile Rendering
This website seems 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.
| Top level heading |
| 上海数1111字证书认证中心 |
| 上海数字证书认证中心 |
| E-dims数字身份认证管理系统 |
| 面向政务的网络信任综合服务体系 |
| 丰富的行业解决方案 |
| 超过350万家成功客户和企业用户 |
| 公司动态 |
| 我们的合作伙伴 |
| 3rd level heading |
| 真实数字身份，让全程电子化安全可信 |
We found 78 images on this website.
2
ALT attributes are missing on your image tags. The issue affects 1 actual different images that could be loaded more than once in your page.
| Image | Image URL | Occurrences |
 |
/assets/images/logo@2X.png | 2 |
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 2 images on sheca.com. Check your website to make sure it's specified for each image on the page.
For a better readability, only the first 50 internal links are shown below.
| Anchor | Type | URL |
| 法人一证通 | text | https://www.962600.com |
| 信用上海APP | text | http://umsp.sheca.com/creditshanghai |
| 大家签 | text | https://www.letusign.com |
| 万维信认证 | text | http://www.imtrust.cn |
| 国家密码局 | text | http://www.sca.gov.cn |
| 中华人民共和国工信部 | text | http://www.miit.gov.cn/ |
| 上海市经信委 | text | http://www.sheitc.sh.gov.cn |
| 上海市密码管理局 | text | http://mgj.sh.gov.cn |
| 中国电子认证服务产业联盟 | text | http://www.ceaia.org.cn |
| 一网通办 | text | http://zwdt.sh.gov.cn/govportals/index.do |
| 官方微博 | text | https://weibo.com/u/2355239812 |
 |
image | https://www.cpacanada.ca/webtrustseal?sealid=10209 |
 |
image | https://www.cpacanada.ca/webtrustseal?sealid=10210 |
 |
image | https://www.cpacanada.ca/webtrustseal?sealid=10211 |
 |
image | https://www.cpacanada.ca/webtrustseal?sealid=10213 |
 |
image | https://www.cpacanada.ca/webtrustseal?sealid=10212 |
 |
image | http://beian.miit.gov.cn |
 |
image | http://www.beian.gov.cn/portal/registersystemınfo?recordcode=31010902002538 |
 |
image | http://www.sgs.gov.cn/lz/licenselink.do?method=licenceview&entyıd=20120314143909744 |
 |
image | http://www.shjbzx.cn/ |
| ⓘ Domain Registrar | NETWORK SOLUTIONS, LLC |
| ⓘ Registration Date | 12/25/1998 25 years, 10 months, 28 days ago |
| ⓘ Last Modified | 12/26/2018 5 years, 10 months, 27 days ago |
| ⓘ Expiration Date | 12/25/2028 4 years, 1 month, 7 days from now |
| Host | IP Address | Country |
| ns3.dnsv3.com | 52.221.20.79 |  Singapore |
| ns4.dnsv3.com | - | - |
China
SOCIAL MEDIA PRESENCE
It seems you have a very poor social media presence.
Follow these tips to build a better relationship with your audience : set smart goals, identify your audience, be human, seek relationships, create an editorial calendar, automate, focus on helping, optimize for engagement, get visual, stay active and create great content.