ef.com.cn ▷ EF英孚教育官网,英孚英语,少儿和青少年课程,成人英语培训,海外游学留学

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 4.17 sec.
Last Checked: 11/14/2024

Ef.com.cn traffic volume is 5,470 unique daily visitors and their 33,366 pageviews. The web value rate of ef.com.cn is 581,138 USD. Each visitor makes around 6.53 page views on average.

By Alexa's traffic estimates ef.com.cn placed at 1,282 position over the world, while the largest amount of its visitors comes from China, where it takes 2,865 place.

Ef.com.cn registered under .CN top-level domain. Check other websites in .CN zone.

The last verification results, performed on (October 11, 2024) ef.com.cn show that ef.com.cn has a valid and up-to-date SSL certificate issued by Google Trust Services expiring on December 19, 2024. Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Google Trust Services.

In accordance with Google Safe Browsing, Google Safe Search and Symantec ef.com.cn is pretty a safe domain.

Relying Google MobileFriendly test ef.com.cn is well optimized for mobile and tablet devices, however web page loading speed may be improved.

Ef.com.cn General Information

Global Rank

20,710

Average Load Time

0.70sec

Links In Count

356

Website Value

$543,120

Audience Geography. Where are ef.com.cn visitors located?

Country	Visitors
China CN	91.6%
Japan JP	4.2%
United States US	1.1%
Hong Kong HK	0.6%
Other	2.4%

Country	Pageviews
China CN	97.4%
Japan JP	2%
United States US	0.2%
Hong Kong HK	0.1%
Other	0.4%

Country	Rank
China CN	2865
Hong Kong HK	27603
Japan JP	35190
United States US	306718

Where do visitors go on ef.com.cn?

Subdomain	Pageviews
ec.ef.com.cn	74.04%
ef.com.cn	17.5%
liuxue.ef.com.cn	3.21%
center.ef.com.cn	2.31%
evc.ef.com.cn	0.85%
other	2.11%

Subdomain	Pageviews per User
ec.ef.com.cn	16
ef.com.cn	3.2
liuxue.ef.com.cn	2
evc.ef.com.cn	1
center.ef.com.cn	1

Subdomain	Reach
ef.com.cn	42.97%
ec.ef.com.cn	37.15%
center.ef.com.cn	13.63%
liuxue.ef.com.cn	10.87%
evc.ef.com.cn	6.59%

How popular is ef.com.cn?

Period	Global Rank	Global Rank Delta
past 3 months	20710	3922
past month	23508	3302
past week	19051	-6627
yesterday	119502	94710

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	14140	542	521	-6.631%	6.1	29%
30	13532	-220	55	0.8%	7.8	30%
7	9305	-13610	81	160%	9.7	100%
1	214719	197872	2	-94.98%	1	-84.709%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	25516	6015	32	-27.49%
30	30580	5647	26	-19.85%
7	26096	-2848	31	10%
1	85943	54490	8	-67.181%

Ef.com.cn Safety Information

Overview

Last Updated: 11/14/2024

Overall result - ef.com.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: 03/21/2024

ef.com.cn is safe.

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

Google Safe Search

Last Updated: 02/07/2019

ef.com.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

ef.com.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: 02/22/2020

ef.com.cn is safe.

McAfee assesses ef.com.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 ef.com.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/14/2024

ef.com.cn child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	ef.com.cn
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	09/20/2024
Expiration	12/19/2024
Signed	Certificate is not self signed
Additional Domains	ef.com.cn *.ef.com.cn

Ef.com.cn Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 45090
ASN Title: CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN

Last Update: 07/16/2024

ASN Whois

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

% Information related to 'AS45056 - AS45115'

as-block: AS45056 - AS45115
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: 2009-09-29T06:15:17Z
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 'AS45056 - AS46079'

as-block: AS45056 - AS46079
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: 2009-09-29T05:48:11Z
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 'AS45090'

% Abuse contact for 'AS45090' is 'ipas@cnnic.cn'

aut-num: AS45090
as-name: CNNIC-TENCENT-NET-AP
descr: Shenzhen Tencent Computer Systems Company Limited
descr: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan
descr: District,Shenzhen
country: CN
import: from AS18118
action pref=100;
accept ANY
import: from AS17962
action pref=100;
accept ANY
export: to AS18118
announce AS45090
export: to AS17962
announce AS45090
admin-c: DR196-AP
tech-c: JW2054-AP
mnt-routes: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2016-10-17T00:30:37Z
source: APNIC

irt: IRT-CNNIC-CN
address: Beijing, China
e-mail: ipas@cnnic.cn
abuse-mailbox: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
auth: # Filtered
remarks: Please note that CNNIC is not an ISP and is not
remarks: empowered to investigate complaints of network abuse.
remarks: Please contact the tech-c or admin-c of the network.
mnt-by: MAINT-CNNIC-AP
last-modified: 2017-11-01T08:57:39Z
source: APNIC

person: Dreams Ruan
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
country: CN
phone: +86-755-86013388-84520
fax-no: +86-755-86013030
e-mail: dreamsruan@tencent.com
nic-hdl: DR196-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2010-05-10T10:02:01Z
source: APNIC

person: Jsquare Wu
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
country: CN
phone: +86-755-86013388-88441
fax-no: +86-755-86013030
e-mail: jsquare@tencent.com
nic-hdl: JW2054-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2010-05-10T10:02:01Z
source: APNIC

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

Ef.com.cn Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: ef.com.cn
ROID: 20030610s10011s00258370-cn
Domain Status: clientTransferProhibited
Registrant: 上海英培商务咨询有限公司
Registrant Contact Email: domainadmintl@ef.com
Sponsoring Registrar: 阿里云计算有限公司（万网）
Name Server: ns226.dns.cf-ns.net
Name Server: ns26.dns.cf-ns.com
Registration Time: 2003-06-10 10:44:39
Expiration Time: 2025-06-10 10:44:39
DNSSEC: unsigned

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Ef.com.cn HTML Validation

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Attribute “master” not allowed on element “html” at this point.

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Stray end tag “link”.

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

Attribute “hasmany” not allowed on element “a” at this point.

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

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

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

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

Attribute “eventid” not allowed on element “a” at this point.

End tag “div” seen, but there were open elements.

Unclosed element “form”.

Stray end tag “form”.

Stray end tag “div”.

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

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

Warnings

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

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

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

Ef.com.cn Desktop Insights

Last tested: 06/03/2017

Desktop

Desktop Speed

71%

Optimize images

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

Avoid landing page redirects

Leverage browser caching

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	46
Number of Hosts	8
Static Resources	38
JavaScript Resources	8
CSS Resources	3

Ef.com.cn Mobile Insights

Last tested: 05/24/2017

Mobile

Mobile Usability

100%

Mobile Speed

50%

Optimize images

Avoid landing page redirects

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

Leverage browser caching

Reduce server response time

Minify HTML

Mobile Resource Breakdown

Total Resources	44
Number of Hosts	12
Static Resources	33
JavaScript Resources	17
CSS Resources	3

Ef.com.cn Typos

www.ef.com
www.ef.net
www.ef.org
www.ef.info
www.ef.biz
www.ef.us
www.ef.mobi
www.f.com.cn
www.ef.com.cn
www.wf.com.cn
www.ewf.com.cn
www.wef.com.cn
www.sf.com.cn
www.esf.com.cn
www.sef.com.cn
www.df.com.cn
www.edf.com.cn
www.def.com.cn
www.rf.com.cn
www.erf.com.cn
www.ref.com.cn
www.e.com.cn
www.ec.com.cn
www.efc.com.cn
www.ecf.com.cn
www.ed.com.cn
www.efd.com.cn
www.er.com.cn
www.efr.com.cn
www.et.com.cn
www.eft.com.cn
www.etf.com.cn
www.eg.com.cn
www.efg.com.cn
www.egf.com.cn
www.ev.com.cn
www.efv.com.cn
www.evf.com.cn

Ef.com.cn EF英孚教育官网,英孚英语,少儿和青少年课程,成人英语培训,海外游学留学

Quick Summary

Ef.com.cn General Information

Ef.com.cn Safety Information

Ef.com.cn Server Information

Ef.com.cn Domain Name Information

Ef.com.cn HTML Validation

Ef.com.cn Desktop Insights

Ef.com.cn Mobile Insights

Ef.com.cn Nearest Competitors

Ef.com.cn Typos