ck100.com - 橙课_财会培训

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.32 sec.
Last Checked: 02/04/2023

Over the time ck100.com has been ranked as high as 11,911 in the world.

Ck100.com receives about 211 unique visitors and 211 pageviews per day. The estimated value of ck100.com is 2,920 USD. Each unique visitor makes about 1 pageviews on average.

Ck100.com is registered under .COM top-level domain. Check other websites in .COM zone.

At the time of the last check (April 28, 2021) ck100.com has an expired wildcard SSL certificate issued by Symantec Corporation (expired on July 25, 2020). Check other websites using SSL certificates issued by Symantec Corporation.

According to Google Safe Browsing, Google Safe Search and Symantec ck100.com is quite a safe domain.

Mobile-Friendly test indicates that ck100.com is well optimized for mobile and tablet devices.

Ck100.com General Information

Global Rank

3,265,259

Average Load Time

0.78sec

Links In Count

142

Website Value

$2,920

How popular is ck100.com?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	2688035	817379	1	-40.3%
30	1209600	0	3	0%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	4574298	1203390	0	-40.3%	1	0%
30	2200686	0	1	0%	1	0%

Period	Global Rank	Global Rank Delta
past 3 months	3265259	985580
past month	1497808	0

Ck100.com Alexa Rank History

Alexa Rank shows how popular ck100.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If ck100.com 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 ck100.com and pageviews on ck100.com over the past 3 months.

Ck100.com Safety Information

Overview

Last Updated: 05/05/2024

Overall result - "ck100.com" 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: 03/24/2024

ck100.com is safe.

Norton ConnectSafe evaluates ck100.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/01/2016

ck100.com 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 "ck100.com".
"ck100.com" is not a phishing page.
"ck100.com" does not install unwanted software.
"ck100.com" 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: 02/24/2021

ck100.com is safe.

McAfee assesses ck100.com 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 ck100.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 05/05/2024

ck100.com child safety isunknown.

The WOT calculates reputation of the ck100.com. This reputation system receives ratings from users and information from third-party sources, assesses the ck100.com for safety features and confirms, whether ck100.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	*.chinapen.org.cn
Issuer Organization	Symantec Corporation
Issuer	Symantec Class 3 Secure Server CA - G4
Algorithm	RSA-SHA256
Valid form	07/26/2017
Expiration	07/25/2020
Signed	Certificate is not self signed
Additional Domains	*.chinapen.org.cn chinapen.org.cn

Ck100.com Server Information

Server Location

Geolocation Tool

Not Found

ASN Information

ASN Lookup Tool

ASN ID: 4835
ASN Title: CHINANET-IDC-SN China Telecom (Group), CN

Last Update: 10/04/2023

ASN Whois

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

% Information related to 'AS4608 - AS4864'

as-block: AS4608 - AS4864
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: 2008-09-04T06:40:26Z
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 'AS4835'

% Abuse contact for 'AS4835' is 'anti-spam@ns.chinanet.cn.net'

aut-num: AS4835
as-name: CHINANET-IDC-SN
descr: China Telecom (Group)
descr: IDC center xi'an node
country: CN
import: from AS4134
action pref=100;
accept ANY
import: from AS4815
action pref=100;
accept ANY
import: from AS4816
action pref=100;
accept ANY
export: to AS4134
announce AS4835
export: to AS4815
announce AS4835
export: to AS4816
announce AS4835
admin-c: JS183-AP
tech-c: JS183-AP
mnt-by: MAINT-CHINANET
mnt-irt: IRT-CHINANET-CN
last-modified: 2015-12-01T22:12:54Z
source: APNIC

irt: IRT-CHINANET-CN
address: No.31 ,jingrong street,beijing
address: 100032
e-mail: anti-spam@ns.chinanet.cn.net
abuse-mailbox: anti-spam@ns.chinanet.cn.net
admin-c: CH93-AP
tech-c: CH93-AP
auth: # Filtered
mnt-by: MAINT-CHINANET
last-modified: 2010-11-15T00:31:55Z
source: APNIC

person: jun shen
nic-hdl: JS183-AP
e-mail: shenjun@cndata.com
address: China Telecom
address: No.31,Jing-rong Street,
address: 100032,beijing China
phone: +86-10-66027112
fax-no: +86-10-666027334
country: CN
mnt-by: MAINT-CHINANET
last-modified: 2008-09-04T07:29:18Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Ck100.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: CK100.COM
Registry Domain ID: 72863577_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.paycenter.com.cn
Registrar URL: http://www.xinnet.com
Updated Date: 2019-01-14T09:53:21Z
Creation Date: 2001-06-19T12:24:32Z
Registry Expiry Date: 2022-06-19T12:24:32Z
Registrar: Xin Net Technology Corporation
Registrar IANA ID: 120
Registrar Abuse Contact Email: supervision@xinnet.com
Registrar Abuse Contact Phone: +86.1087127926
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.CDELEDU.COM
Name Server: NS2.CDELEDU.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-03T06:47:06Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Ck100.com HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “b2”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “d5”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “e1”, “bc”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “f0”, “b4”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “f1”, “bf”, “bc”.

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

Internal encoding declaration “gb2312” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=gb2312” for attribute “content” on element “meta”: “gb2312” is not a preferred encoding name. The preferred label for this encoding is “gbk”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “be”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e8”.

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

Malformed byte sequence: “e3”, “ba”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “d9”.

Malformed byte sequence: “e2”, “b7”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “fb”.

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

Malformed byte sequence: “e3”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “b0”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “e4”, “bb”.

Malformed byte sequence: “dc”.

Bad value “” for attribute “name” on element “input”: Must not be empty.

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

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

Malformed byte sequence: “f1”.

Malformed byte sequence: “e3”, “b8”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “df”.

Malformed byte sequence: “f0”, “b1”, “a8”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “a9”.

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

End tag “a” violates nesting rules.

Cannot recover after last error. Any further errors will be ignored.

Warnings

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

Text run starts with a composing character.

Ck100.com Desktop Insights

Desktop Page Insights Tool

Last tested: 11/21/2016

Desktop

Desktop Speed

91%

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

Enable compression

Optimize images

Minify JavaScript

Desktop Resource Breakdown

Total Resources	71
Number of Hosts	4
JavaScript Resources	13
CSS Resources	4

Ck100.com Mobile Insights

Mobile Page Insights Tool

Last tested: 06/02/2017

Mobile

Mobile Usability

63%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Mobile Speed

68%

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

Optimize images

Enable compression

Minify JavaScript

Mobile Resource Breakdown

Total Resources	67
Number of Hosts	4
JavaScript Resources	11
CSS Resources	4

Ck100.com Typos

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Quick Summary

Ck100.com General Information

Ck100.com Alexa Rank History

Ck100.com Safety Information

Ck100.com Server Information

Ck100.com Domain Name Information

Ck100.com HTML Validation

Ck100.com Desktop Insights

Ck100.com Mobile Insights

Ck100.com Nearest Competitors

Ck100.com Typos