WWW.COREMAIL.CN Website Review

Pages Indexed

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Page Information

Title:
Coremail邮件系统_企业邮箱_邮件网关_10亿用户信赖的邮件服务器系统
Length: 38 character(s); Best length: 10 ~ 60 character(s)
Meta description:
Coremail是国内头部电子邮件产品与解决方案提供商,全面国产化适配,产品涵盖信创邮件系统、信创云企业邮箱、邮件安全网关等,可为各行业提供更加安全、高效、自主可控的信创邮件解决方案。
Length: 92 character(s); Best length: 50 ~ 160 character(s)
Meta keywords:
邮件系统,企业邮箱,邮件服务器,邮箱系统
Length: 20 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:
cmproxy
SSL Secure:
Available
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 www.coremail.cn:
HTTP/1.1 200 OK
Date: Fri, 08 Aug 2025 08:27:17 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Keep-Alive: timeout=300
Last-Modified: Wed, 06 Aug 2025 09:56:12 GMT
ETag: W/"689326bc-190d4"
Server: cmproxy
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 7 DNS record(s) of coremail.cn.
Host Type IP/Target TTL Extra Infomation
coremail.cnA360
coremail.cnNS360
coremail.cnNS360
coremail.cnSOA360expire: 604800
serial: 2025072402
coremail.cnMX360pri: 5
coremail.cnTXT
v=spf1 include:spf.icoremail.net -all
360
coremail.cnTXT
GQQv71UiN0CAIcs6
360