Cer.net SEO Analysis
Pagespeed Score
Desktop 94/100 ✔
Mobile 84/100 ✔
Optimization Stats
Field Data Result
Page Size 10 KB ✔
Compression 3 KB (-69.5%) ✔
Text/Html Ratio 862 / 10357 (bytes) = 8.32% ❗
Load Time 1.02 second ✘
Mobile Ready 0/100 ✘
In-Page Links 43 ✔
Doc Type XHTML 1.0 Transitional ✔
Encoding UTF-8 ✔
Declared Language Unknown ✘
Preferred Domain No ❗
Robots.txt No ✘
Url Rewrite Yes ✘
Underscores in url Yes ✘
Images Without ALT 6 / 9 ✘
Embedded Objects (Desktop) No ✔
Embedded Objects (Mobile) No ✔
Iframe No ✔
Custom 404 page No ✘
Email Privacy Yes ✔
Gsafe browsing Yes ✔
Analytics No ✘
W3C Validity No ✘
Keyword Consistency ❗
Keywords Freq Title Desc <H>
诚聘英才 1 ✘ ✘ ✘
版权所有 1 ✘ ✘ ✘
网站建设 1 ✘ ✘ ✘
公务员 1 ✘ ✘ ✘
就业 1 ✘ ✔ ✘
教育公益 1 ✘ ✘ ✘
考研 1 ✘ ✔ ✘
学前 1 ✘ ✘ ✘
联系方式 1 ✘ ✘ ✘
联系我们 1 ✘ ✘ ✘
招聘信息 1 ✘ ✘ ✘
主要客户 1 ✘ ✘ ✘
首　页 1 ✘ ✘ ✘
媒体伙伴 1 ✘ ✘ ✘
官方机构 1 ✘ ✘ ✘
45/100
Update

December, 23 2020

With 1.02 seconds in page load, 10 KB of page size and all other reports below, the cer.net has a SEO score of 45 out of 100
Meta tags data
Title 赛尔互联（北京）教育科技有限公司
Description 赛尔互联（北京）教育科技有限公司为赛尔网络有限公司联合有关方面组建的高新技术企业。赛尔互联在教育部指导下，依托中国教育和科研计算机网CERNET，运营中国最大的综合教育门户网站--中国教育在线（www.eol.cn）。中国教育在线作为中国最大的综合教育门户网站，秉承“立足教育 服务社会”的使命。中国教育在线以满足各类教育需求为主，发布各类权威的招考、就业、辅导等独家教育信息。中国教育在线囊括高考频道、考研频道、留学频道、行考频道、基教频道、教师频道、外语频道、培训频道等众多频道，贯穿从幼儿园到继续教育的所有教育需求，用户覆盖终身教育人群。
Keyword 赛尔互联,教育科技,高考,考研,立足教育,服务社会,发教育信息,上教育在线,找教育信息,上教育在线
Domain Registration
Age 23 Years, 280 Days
Created 19th-Mar-1997
Updated 21st-Mar-2020
Expiry 20th-Mar-2021
DNS Data
Host Type Ttl Other
cer.net A 575 ip:202.205.109.151
cer.net NS 3600 target:dns.edu.cn
cer.net NS 3600 target:dns1.cer.net
cer.net NS 3600 target:dns2.cer.net
cer.net NS 3600 target:ns2.net.edu.cn
cer.net SOA 86400 mname:ns.cer.net
rname:postmaster.cer.net
serial:2020120401
refresh:28800
retry:7200
expire:604800
minimum-ttl:86400
cer.net MX 3600 pri:20
target:mail.edu.cn
cer.net MX 3600 pri:10
target:cloudmark.cer.net
http Headers
WHOIS Data
Domain Name: CER.NET
Registry Domain ID: 488523_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.35.com
Registrar URL: http://www.35.com
Updated Date: 2020-03-10T19:01:17Z
Creation Date: 1997-03-18T16:00:00Z
Registrar Registration Expiration Date: 2021-03-20T04:00:00Z
Registrar: Xiamen 35.Com Technology Co., Ltd
Registrar IANA ID: 1316
Registrar Abuse Contact Email: domainabuse@35.cn
Registrar Abuse Contact Phone: +86.4001353511
Reseller:
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: Not Available From Registry
Registrant City: BEIJING
Registrant State/Province: BEIJING
Registrant Country: CN
Registrant Email: https://rdap.35.com/contact/domain/cer.net
Admin Email: https://rdap.35.com/contact/domain/cer.net
Tech Email: https://rdap.35.com/contact/domain/cer.net
Name Server: DNS1.CER.NET
Name Server: DNS2.CER.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2020-12-23T13:53:30Z
Server Location
Server IP 202.205.109.151
Server Location China
Service Provider China Education and Research Network Center
Domain Availability
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cer.com Already Registered
cer.org Already Registered
cer.biz Already Registered
cer.io Already Registered
cer.info Already Registered
Typo Availability
Domains (TLD) Status
xer.net Already Registered
ser.net Already Registered
der.net Already Registered
fer.net Already Registered
ver.net Already Registered
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