cuk.edu - 고려사이버대학교 대표 홈페이지

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.74 sec.
Last Checked: 02/12/2023

Over the time cuk.edu has been ranked as high as 10,518 in the world, while most of its traffic comes from Korea, where it reached as high as 7,543 position.

Cuk.edu receives about 606 unique visitors and 2,606 pageviews per day. The estimated value of cuk.edu is 45,990 USD. Each unique visitor makes about 4.3 pageviews on average.

Cuk.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.

At the time of the last check (December 29, 2022) cuk.edu has an expired wildcard SSL certificate issued by DigiCert Inc (expired on June 11, 2023). Check other websites using SSL certificates issued by DigiCert Inc.

According to Google Safe Browsing, Google Safe Search and Symantec cuk.edu is quite a safe domain.

Mobile-Friendly test indicates that cuk.edu is well optimized for mobile and tablet devices, however website page loading time could be improved.

Cuk.edu General Information

Global Rank

250,470

Average Load Time

2.75sec

Links In Count

102

Website Value

$45,990

Audience Geography. Where are cuk.edu visitors located?

Country	Rank
Korea KR	7543
Tunisia TN	10199
United States US	189645
India IN	190906
Russian Federation RU	426613

Country	Percent of Pageviews
Korea KR	63.1%
United States US	13%
India IN	6.2%
Tunisia TN	5.3%
Russian Federation RU	0.7%
Other	11.7%

Country	Percent of Visitors
Korea KR	66.4%
United States US	15.8%
India IN	3.5%
Tunisia TN	2.9%
Russian Federation RU	0.9%
Other	10.4%

Where do visitors go on cuk.edu?

Subdomain	Pageviews
korean.cuk.edu	49.71%
cuk.edu	25.54%
go.cuk.edu	17.83%
eng.cuk.edu	3.53%
other	3.34%

Subdomain	Pageviews per User
korean.cuk.edu	4.3
cuk.edu	4
go.cuk.edu	3
eng.cuk.edu	2

Subdomain	Reach
korean.cuk.edu	50.52%
go.cuk.edu	27.49%
cuk.edu	27.08%
eng.cuk.edu	6.64%

How popular is cuk.edu?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	289300	2505	18	0.8%
30	237213	-26211	24	10%
7	237600	-63496	2	40%
1	1083288	397919	3	-63.057%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	206747	22916	22	-12.18%	4.3	-12.83%
30	171874	-22957	28	20%	4.3	3%
7	187803	-46924	26	30%	4	-1.27%
1	633531	386206	4	-80.082%	5	-46.08%

Period	Global Rank	Global Rank Delta
past 3 months	250470	9346
past month	205343	-23676
past week	206816	-55864
yesterday	971361	493866

Cuk.edu Alexa Rank History

Alexa Rank shows how popular cuk.edu is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cuk.edu 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 cuk.edu and pageviews on cuk.edu over the past 3 months.

Cuk.edu Safety Information

Overview

Last Updated: 04/28/2024

Overall result - "cuk.edu" 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: 04/01/2024

cuk.edu is safe.

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

Google Safe Search

Last Updated: 12/29/2016

cuk.edu 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

Malware not found at "cuk.edu".
"cuk.edu" is not a phishing page.
"cuk.edu" does not install unwanted software.
"cuk.edu" does not contain harmfull applications.
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: 03/02/2021

cuk.edu is safe.

McAfee assesses cuk.edu 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 cuk.edu for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 04/28/2024

cuk.edu child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	*.cuk.edu
Issuer Organization	DigiCert Inc
Issuer	Thawte RSA CA 2018
Algorithm	RSA-SHA256
Valid form	05/11/2022
Expiration	06/11/2023
Signed	Certificate is not self signed
Additional Domains	*.cuk.edu cuk.edu

Cuk.edu Server Information

Server Location

Geolocation Tool

Not Found

ASN Information

ASN Lookup Tool

ASN ID: 3786
ASN Title: LGDACOM LG DACOM Corporation, KR

Last Update: 10/12/2023

ASN Whois

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

% Information related to 'AS3786'

% Abuse contact for 'AS3786' is 'hostmaster@nic.or.kr'

aut-num: AS3786
as-name: LGDACOM
descr: LG DACOM Corporation
country: KR
admin-c: AM1428-AP
tech-c: AM1428-AP
import: from AS4766
action pref=0;
accept ANY
import: from AS9318
action pref=0;
accept ANY
export: to AS4766
announce AS3786
export: to AS9318
announce AS3786
default: to AS9318
action pref=0;
networks ANY
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2016-10-13T02:35:40Z
source: APNIC

irt: IRT-KRNIC-KR
address: Seocho-ro 398, Seocho-gu, Seoul, Korea
e-mail: hostmaster@nic.or.kr
abuse-mailbox: hostmaster@nic.or.kr
admin-c: IM574-AP
tech-c: IM574-AP
auth: # Filtered
mnt-by: MNT-KRNIC-AP
last-modified: 2017-10-19T07:36:36Z
source: APNIC

person: AS Manager
address: Seoul Yongsan-gu Hangang-daero 32
country: KR
phone: +82-2-2089-0535
e-mail: ipadm@lguplus.co.kr
nic-hdl: AM1428-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2017-08-07T00:55:27Z
source: APNIC

% Information related to 'AS3786'

aut-num: AS3786
as-name: LGDACOM-KR
descr: LG DACOM Corporation
country: KR
import: from 9318 action pref=0 accept ANY
import: from 4766 action pref=0 accept ANY
export: to 9318 announce NEW
export: to 4766 announce NEW
admin-c: A11-KR
tech-c: A11-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
changed: hostmaster@nic.or.kr
source: KRNIC

person: AS Manager
address: Seoul Yongsan-gu Hangang-daero 32
address: LG UPLUS
country: KR
phone: +82-2-2089-0535
e-mail: ipadm@lguplus.co.kr
nic-hdl: A11-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr
source: KRNIC

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

Cuk.edu Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.

The EDUCAUSE Whois database is authoritative for the
.EDU domain.

A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu

By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.

-------------------------------------------------------------

Domain Name: CUK.EDU

Registrant:
The Cyber University of Korea
106 Bukchon-ro, Jongno-gu
Seoul, 03051
Korea

Administrative Contact:
Jun Hyung Park
The Cyber University Of Korea
106 Bukchon-ro, Jongno-gu
Seoul Korea(1-21 Gye-Dong)
Seoul, 03051
Korea
+82.263612051
info@cuk.edu

Technical Contact:
Jun Hyung Park
The Cyber University Of Korea
106 Bukchon-ro, Jongno-gu
Seoul Korea(1-21 Gye-Dong)
Seoul, 03051
Korea
+82.263612051
info@cuk.edu

Name Servers:
NS2.LGUPLUS.COM
NS.CUK.EDU

Domain record activated: 10-Apr-2013
Domain record last updated: 11-Aug-2020
Domain expires: 31-Jul-2023

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Cuk.edu HTML Validation

HTML Validation Tool

Errors

Attribute “size” not allowed on element “link” at this point.

Start tag “head” seen but an element of the same type was already open.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

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

The “font” 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.

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

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

Bad value “2018.08.22 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.24 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.20 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.17 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.16 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.14 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.08 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.01 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “ ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.21 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.09 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.07.31 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.07.23 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.23 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “2018.08.22 ” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “http://img.cuk.edu/university/main/defaultImg2.gif” for attribute “onerror” on element “img”: Unexpected end of file

Bad value “2018.08.10” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “08.10(금)” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “08.22(수)” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “08.27(월)” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “09.05(수)” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “09.25(화)” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Bad value “10.13(토)” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.

Element “dl” is missing a required instance of child element “dd”.

Duplicate ID “main_majorToggleBtn1”.

Duplicate ID “cont1”.

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

Unclosed element “footer”.

Stray end tag “footer”.

Stray end tag “div”.

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The first occurrence of ID “main_majorToggleBtn1” was here.

The first occurrence of ID “cont1” was here.

Cuk.edu Desktop Insights

Desktop Page Insights Tool

Last tested: 05/18/2017

Desktop

Desktop Speed

21%

Optimize images

Leverage browser caching

Enable compression

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

Minify JavaScript

Avoid landing page redirects

Minify HTML

Minify CSS

Desktop Resource Breakdown

Total Resources	114
Number of Hosts	16
Static Resources	94
JavaScript Resources	10
CSS Resources	4

Cuk.edu Mobile Insights

Mobile Page Insights Tool

Last tested: 05/18/2017

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

13%

Optimize images

Leverage browser caching

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

Enable compression

Avoid landing page redirects

Minify JavaScript

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	109
Number of Hosts	16
Static Resources	89
JavaScript Resources	10
CSS Resources	4

Cuk.edu Typos

www.cuk.com
www.cuk.net
www.cuk.org
www.cuk.info
www.cuk.biz
www.cuk.us
www.cuk.mobi
www.uk.edu
www.cuk.edu
www.xuk.edu
www.cxuk.edu
www.xcuk.edu
www.duk.edu
www.cduk.edu
www.dcuk.edu
www.fuk.edu
www.cfuk.edu
www.fcuk.edu
www.vuk.edu
www.cvuk.edu
www.vcuk.edu
www.ck.edu
www.cyk.edu
www.cuyk.edu
www.cyuk.edu
www.chk.edu
www.cuhk.edu
www.chuk.edu
www.cjk.edu
www.cujk.edu
www.cjuk.edu
www.cik.edu
www.cuik.edu
www.ciuk.edu
www.cu.edu
www.cuj.edu
www.cukj.edu
www.cui.edu
www.cuki.edu
www.cum.edu
www.cukm.edu
www.cumk.edu
www.cul.edu
www.cukl.edu
www.culk.edu
www.cuo.edu
www.cuko.edu
www.cuok.edu

Cuk.edu 고려사이버대학교 대표 홈페이지

성공을 만드는 또 다른 세상. 고려대학교의 교육철학을 사이버교육으로 이어가는 정규 4년제 사이버대학교

Quick Summary

Cuk.edu General Information

Cuk.edu Alexa Rank History

Cuk.edu Safety Information

Cuk.edu Server Information

Cuk.edu Domain Name Information

Cuk.edu HTML Validation

Cuk.edu Desktop Insights

Cuk.edu Mobile Insights

Cuk.edu Nearest Competitors

Cuk.edu Typos