UCAI.CN Website Review

An error occurred while visiting the website ucai.cn

We encountered errors when trying to access the following URL addresses of the website ucai.cn:

When an HTTP status code of 0 is encountered, it indicates that communication with the server via HTTP(s) cannot be established. If this pertains to your website, check if the site is online and if DNS resolution is correctly configured. Also, verify if the HTTPS certificate is valid if an SSL certificate is configured.

The content below showcases a portion of the historical analysis data cached by our server on May 30, 2020. Due to our bot's inability to access this website, the data may be incomplete or outdated, and is provided for your reference only.

Basic Information

Server:
Unknown
IP:
Unknown
City:
Unknown

Pages Indexed

Bing:
Google:

Page Information

Title:
UCAI - 互联网职业技能在线学习平台
Length: 20 character(s); Best length: 10 ~ 60 character(s)
Meta description:
UCAI是国内唯一一家专注于多方向全栈工程师培养的互联网职业技能在线学习平台,致力于打造中国IT职业教育O2O创新品牌。
Length: 60 character(s); Best length: 50 ~ 160 character(s)
Meta keywords:
安卓培训,Android培训,UI培训,UI设计培训,PHP培训,iOS培训,WEB前端培训,HTML5培训,Android开发培训,Android学习,北京UI培训,网页设计培训,平面设计培训,UI设计教程,PHP教程,PHP视频教程,PHP学习,PHP工程师,PHP程序员,全栈工程师,优才学院,优才网
Length: 153 character(s); Best length: 10 ~ 255 character(s)
H1 Tag:
Length: 0 character(s); Best length: 10 ~ 255 character(s)

Your page does not include an H1 tag.

The H1 tag in HTML is the main headline users see first when a page loads. It conveys the page's topic, enticing visitors to read further. H1 tags are crucial for SEO, user experience, and accessibility. They distinguish the main title on a webpage, aiding search engines and users in understanding the content.

Here are best practices for H1 tags

  • Use H1 tags for page titles.
  • Limit to one H1 tag per page.
  • Keep H1 tags short and concise.
  • Structure headings hierarchically.
  • Include your main keyword.
  • Ensure H1 tags are engaging.

Site Technology

Server:
Unknown
SSL Secure:
Unavailable
robots.txt:
Unavailable
XML Sitemap:
Unavailable
Gzip Compress:
Available
favicon.ico:
Unavailable

HTTP Header Analysis

HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of ucai.cn:
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Sat, 29 Sep 2018 09:47:05 GMT
Content-Type: text/html
Content-Length: 178
Connection: keep-alive
Location: http://www.ucai.cn/

HTTP/1.1 302 Moved Temporarily
Server: nginx
Date: Sat, 29 Sep 2018 09:47:06 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/5.6.30
Set-Cookie: PHPSESSID=hrb2fjp0phnaa905d6tin4gds4; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Location: http://www.ucai.cn/index
Access-Control-Allow-Credentials: true

HTTP/1.1 200 OK
Server: nginx
Date: Sat, 29 Sep 2018 09:47:06 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Powered-By: PHP/5.6.30
Set-Cookie: PHPSESSID=kg383lkctla86n1tgetmovqu70; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Cache-control: private
Access-Control-Allow-Credentials: true
Content-Encoding: gzip

DNS Record Analysis

Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 6 DNS record(s) of ucai.cn.
Host Type IP/Target TTL Extra Infomation
ucai.cnA10
ucai.cnMX600pri: 5
ucai.cnMX600pri: 10
ucai.cnNS86400
ucai.cnNS86400
ucai.cnSOA600expire: 1209600
serial: 1451321146