I21st.cn 21英语网-21世纪报官方网站

21英语网是极具原创性的英语学习和教学网站，拥有独家的英语学习资料及教育资料，专注于打造最具人气的英语学习交流平台，为全国英语学习者和教育者提供专业服务。

I21st.cn Overview

i21st.cn is the official website of 21st Century English Newspaper, which belongs to China Daily, one of the most influential media organizations in China. The website aims to provide a platform for English language learning and teaching, offering exclusive learning materials and educational resources.

As a trusted source in the English language learning community, i21st.cn attracts approximately 3253 unique users per day and generates around 8457.8 pageviews. With a site value of 148,920 US dollars, it is evident that the website holds significant importance in the English learning landscape.

i21st.cn is hosted by China Mobile hosting, an established and reputable hosting service provider in China. This ensures reliability and stability for the website's performance and accessibility.

The website's top-level domain is .CN, which indicates that it is primarily targeted at Chinese users. However, it is worth noting that the website offers English language learning resources, making it suitable for a global audience interested in learning English.

i21st.cn prioritizes user experience by emphasizing speed. According to PageSpeed Insights scores, the website achieves an impressive speed score of 90, indicating that it loads quickly and provides a seamless browsing experience for users.

Furthermore, the website has garnered a significant online presence with 1137 external backlinks and 974 referring domains. This demonstrates the credibility and authority of the website within the English language learning community, as well as its ability to attract attention and recommendations from other reputable sources.

Regarding its family-friendliness, without specific information, it is challenging to determine definitively. However, given the website's focus on English language learning and teaching, it is likely that the content is appropriate for users of all ages, including families.

In summary, i21st.cn serves as an essential platform for English language learners and educators in China and beyond. With its exclusive learning materials, educational resources, and emphasis on user experience, the website continues to attract a substantial user base and maintain its position as a trusted and influential resource in the English learning community.

I21st.cn Rank Summary

Global Rank

79,833

Average Load Time

0.68sec

Links In Count

222

Website Value

$148,920

Audience Geography. Where are i21st.cn visitors located?

Country	Visitors
China CN	87.2%
United States US	3%
Hong Kong HK	1.8%
Taiwan TW	1.5%
Other	6.4%

Country	Pageviews
China CN	96.1%
United States US	0.9%
Hong Kong HK	0.6%
Taiwan TW	0.5%
Other	1.9%

Country	Rank
China CN	7969
Hong Kong HK	25815
Taiwan TW	42438
United States US	310976

Where do visitors go on i21st.cn?

Subdomain	Pageviews
paper.i21st.cn	38.27%
i21st.cn	20.41%
elt.i21st.cn	14.68%
contest.i21st.cn	6.85%
m.i21st.cn	3.08%
other	16.71%

Subdomain	Pageviews per User
paper.i21st.cn	5
elt.i21st.cn	4
i21st.cn	1.8
m.i21st.cn	1
contest.i21st.cn	1

Subdomain	Reach
i21st.cn	38.82%
paper.i21st.cn	24.62%
contest.i21st.cn	18.15%
elt.i21st.cn	12.28%
m.i21st.cn	10.24%

How popular is i21st.cn?

Period	Global Rank	Global Rank Delta
past 3 months	79833	23504
past month	65134	-34537
past week	47944	-15287
yesterday	53769	14364

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	91403	38726	61	-48.295%	2.6	-28.93%
30	64812	-56697	93	120%	3.3	50%
7	38031	-15350	18	50%	4.9	10%
1	91667	62714	7	-72.989%	1	-74.653%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	80010	18510	88	-27.33%
30	69759	-26857	10	50%
7	56367	-16431	13	30%
1	45298	-2948	20	6%

I21st.cn Website Safety

Overview

Last Updated: 09/20/2024

Overall result - i21st.cn is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/22/2024

i21st.cn is safe.

Norton ConnectSafe evaluates i21st.cn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/09/2019

i21st.cn is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

i21st.cn is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/23/2021

i21st.cn is safe.

McAfee assesses i21st.cn for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze i21st.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

i21st.cn child safety is very good.

The WOT calculates reputation of the i21st.cn. This reputation system receives ratings from users and information from third-party sources, assesses the i21st.cn for safety features and confirms, whether i21st.cn is suitable for children.

SSL Information

SSL Checker Tool

Domain	*.i21st.cn
Issuer Organization	GlobalSign nv-sa
Issuer	GlobalSign RSA OV SSL CA 2018
Algorithm	RSA-SHA256
Valid form	01/03/2024
Expiration	02/03/2025
Signed	Certificate is not self signed
Additional Domains	*.i21st.cn owa.i21st.cn mail.i21st.cn autodiscover.i21st.cn www.i21st.cn i21st.cn

I21st.cn Rank History

Alexa Rank shows how popular i21st.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If i21st.cn has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to i21st.cn and pageviews on i21st.cn over the past 3 months.

I21st.cn Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 9808

ASN Title: China Mobile

Last Update: 07/18/2024

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-05-19T07:00:23Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS9800 - AS9819'

as-block: AS9800 - AS9819
descr: CNNIC ASN block
country: CN
remarks: These AS numbers are further assigned by CNNIC
remarks: to CNNIC members and end-users in China
admin-c: IPAS1-AP
tech-c: IPAS1-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-CNNIC-AP
last-modified: 2008-09-04T06:40:26Z
source: APNIC

role: CNNIC IPAS CONFEDERATION
address: No.4, Zhongguancun No.4 South Street,
address: Haidian District, Beijing
country: CN
phone: +86-010-58813000
fax-no: +86-010-58813075
e-mail: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
nic-hdl: IPAS1-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-09-12T07:40:01Z
source: APNIC

% Information related to 'AS9808'

% Abuse contact for 'AS9808' is 'abuse@chinamobile.com'

aut-num: AS9808
as-name: CMNET-GD
descr: Guangdong Mobile Communication Co.Ltd.
country: CN
org: ORG-CM1-AP
import: from AS4134
action pref=10;
accept ANY
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action pref=10;
accept ANY
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action pref=10;
accept ANY
export: to AS4134
announce AS9808
export: to AS4637
announce AS9808
export: to AS6453
announce AS9808
admin-c: WL113-AP
tech-c: WL113-AP
mnt-by: MAINT-CN-CMCC
mnt-irt: IRT-CHINAMOBILE-CN
last-modified: 2017-10-16T00:26:24Z
source: APNIC

irt: IRT-CHINAMOBILE-CN
address: China Mobile Communications Corporation
address: 29, Jinrong Ave., Xicheng District, Beijing, 100032
e-mail: abuse@chinamobile.com
abuse-mailbox: abuse@chinamobile.com
admin-c: CT74-AP
tech-c: CT74-AP
auth: # Filtered
mnt-by: MAINT-CN-CMCC
last-modified: 2014-11-18T02:41:02Z
source: APNIC

organisation: ORG-CM1-AP
org-name: China Mobile
country: CN
address: 29, Jinrong Ave.
phone: +86-10-5260-6688
fax-no: +86-10-5261-6187
e-mail: hostmaster@chinamobile.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2017-08-23T12:56:36Z
source: APNIC

person: Weijian Li
address: 53A Xibianmennei Ave, Xuanwu Distract, Beijing, China , BJ 100031 CN
country: CN
phone: +86-10-63604841
fax-no: +86-10-63604946
e-mail: lidaiyong@chinamobile.com
nic-hdl: WL113-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2008-09-04T07:29:19Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

I21st.cn Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: i21st.cn
ROID: 20090224s10001s39958556-cn
Domain Status: clientTransferProhibited
Registrant: 21世纪报社
Registrant Contact Email: wangrujian@21stcentury.com.cn
Sponsoring Registrar: 阿里云计算有限公司（万网）
Name Server: vip3.alidns.com
Name Server: vip4.alidns.com
Registration Time: 2009-02-24 14:39:15
Expiration Time: 2026-02-24 14:39:15
DNSSEC: unsigned

DNS Records

DNS Lookup Tool

Host	A Record	TTL
i21st.cn	111.13.49.202	3600

Host	MX Record	Priority	TTL
i21st.cn	mail.i21st.cn	1	3600

Host	NS Record	TTL
i21st.cn	dns30.hichina.com	86400
i21st.cn	dns29.hichina.com	86400

Host	TXT Record	TTL
i21st.cn	v=spf1 a mx ~all	3600

dns29.hichina.com
TTL: 600
Email address: hostmaster.hichina.com
Serial: 1
Refresh: 3600
Retry: 1200
Expire: 3600
Minimum: 600

I21st.cn HTML Check

HTML Validation Tool

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

The “center” element is obsolete. Use CSS instead.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

No space between attributes.

Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “0'” not allowed on element “img” at this point.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

The “font” element is obsolete. Use CSS instead.

Stray end tag “font”.

Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)

Stray end tag “span”.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “clear” attribute on the “br” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Attribute “name” not allowed on element “div” at this point.

The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.

Attribute “name” not allowed on element “td” at this point.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Attribute “0'” is not serializable as XML 1.0.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

I21st.cn Desktop Performance

Last tested: 12/12/2019

Desktop Speed

68%

Optimize images

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Enable compression

Leverage browser caching

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	61
Number of Hosts	5
Static Resources	50
JavaScript Resources	10
CSS Resources	2

I21st.cn Mobile Insights

Last tested: 12/10/2019

Mobile Usability

100%

Mobile Speed

90%

Avoid landing page redirects

Optimize images

Mobile Resource Breakdown

Total Resources	6
Number of Hosts	2
Static Resources	3

I21st.cn Common Typos

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I21st.cn 21英语网-21世纪报官方网站

21英语网是极具原创性的英语学习和教学网站，拥有独家的英语学习资料及教育资料，专注于打造最具人气的英语学习交流平台，为全国英语学习者和教育者提供专业服务。

I21st.cn Overview

I21st.cn Rank Summary

I21st.cn Website Safety

I21st.cn Rank History

I21st.cn Hosting Information

I21st.cn Domain Registration and Settings

I21st.cn HTML Check

I21st.cn Desktop Performance

I21st.cn Mobile Insights

I21st.cn Similar Audits

I21st.cn Common Typos