cdeledu.com - 正保远程教育-专注职业教育和服务

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 3.44 sec.
Last Checked: 02/05/2023

Over the time cdeledu.com has been ranked as high as 6,223 in the world, while most of its traffic comes from China, where it reached as high as 21,269 position.

Cdeledu.com receives about 669 unique visitors and 2,944 pageviews per day. The estimated value of cdeledu.com is 52,560 USD. Each unique visitor makes about 4.4 pageviews on average.

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

At the time of the last check (April 29, 2021) cdeledu.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 cdeledu.com is quite a safe domain.

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

Cdeledu.com General Information

Global Rank

221,494

Average Load Time

1.77sec

Links In Count

141

Website Value

$52,560

Audience Geography. Where are cdeledu.com visitors located?

Country	Rank
China CN	21269

Country	Percent of Pageviews
China CN	100%

Country	Percent of Visitors
China CN	100%

How popular is cdeledu.com?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	255928	11976	21	-5.831%
30	233505	-28828	2	20%
7	447701	302152	1	-74.56%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	182767	37304	25	-24.32%	4.4	-19.67%
30	150768	-106508	33	100%	5	70%
7	911084	851894	3	-97.106%	1	-88.623%

Period	Global Rank	Global Rank Delta
past 3 months	221494	19544
past month	195953	-51470
past week	571262	462200

Cdeledu.com Alexa Rank History

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

Cdeledu.com Safety Information

Overview

Last Updated: 05/03/2024

Overall result - "cdeledu.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: 03/21/2023

cdeledu.com is safe.

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

Google Safe Search

Last Updated: 10/24/2016

cdeledu.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 "cdeledu.com".
"cdeledu.com" is not a phishing page.
"cdeledu.com" does not install unwanted software.
"cdeledu.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: 02/23/2021

cdeledu.com is safe.

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

Web of Trust

Last Updated: 05/03/2024

cdeledu.com child safety isunknown.

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

Cdeledu.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)

Cdeledu.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: CDELEDU.COM
Registry Domain ID: 1384182053_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2020-05-20T08:10:05Z
Creation Date: 2008-01-21T08:54:44Z
Registry Expiry Date: 2027-01-21T08:54:44Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
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: 2021-05-03T08:17:43Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Cdeledu.com HTML Validation

HTML Validation Tool

Errors

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: “c3”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “e1”, “bc”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “da”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “be”.

Malformed byte sequence: “df”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “f2”, “b6”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “f2”, “b5”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “e7”, “bd”.

Malformed byte sequence: “e5”.

No space between the doctype public and system identifiers.

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”.

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

Malformed byte sequence: “dc”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “af”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “f2”, “bb”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “b0”.

Bad value “only screen and(max-width: 640px)” for attribute “media” on element “link”: Expected a letter or whitespace but saw “(” instead.

Element “dl” is missing a required child element.

Malformed byte sequence: “d9”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “e5”, “b9”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “ef”, “b7”.

Malformed byte sequence: “e7”, “b2”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “f1”, “ba”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “f3”, “ba”.

No space between attributes.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

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

Malformed byte sequence: “f2”, “bd”.

Malformed byte sequence: “ea”, “b3”.

Malformed byte sequence: “ea”.

Bad value “\images\cdeledu\cp-img.jpg” for attribute “src” on element “img”: Backslash ("\") used as path segment delimiter.

Malformed byte sequence: “f1”, “a3”, “ac”.

Malformed byte sequence: “ed”, “bd”.

Malformed byte sequence: “f3”, “b7”, “a2”.

Malformed byte sequence: “e0”, “bd”.

Malformed byte sequence: “e1”, “ba”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “f0”, “b4”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “f1”, “b5”.

Malformed byte sequence: “e0”, “be”.

Malformed byte sequence: “db”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “de”.

Forbidden code point U+fde8.

Malformed byte sequence: “ea”, “b6”.

Malformed byte sequence: “ec”, “bd”.

Malformed byte sequence: “e3”, “b8”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “ec”, “b5”.

Malformed byte sequence: “f1”, “a1”, “b0”.

Malformed byte sequence: “f2”, “bb”, “aa”.

Malformed byte sequence: “ec”, “be”.

Warnings

Attribute “"” is not serializable as XML 1.0.

NON-DOCUMENT-ERROR

Too many messages.

Cdeledu.com Desktop Insights

Desktop Page Insights Tool

Last tested: 11/11/2016

Desktop

Desktop Speed

80%

Leverage browser caching

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

Optimize images

Desktop Resource Breakdown

Total Resources	39
Number of Hosts	4
Static Resources	35
JavaScript Resources	1
CSS Resources	2

Cdeledu.com Mobile Insights

Mobile Page Insights Tool

Last tested: 12/14/2017

Mobile

Mobile Usability

100%

Mobile Speed

63%

Avoid landing page redirects

Optimize images

Enable compression

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

Minify JavaScript

Mobile Resource Breakdown

Total Resources	29
Number of Hosts	3
JavaScript Resources	5
CSS Resources	3

Cdeledu.com Typos

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Cdeledu.com 正保远程教育-专注职业教育和服务

Quick Summary

Cdeledu.com General Information

Cdeledu.com Alexa Rank History

Cdeledu.com Safety Information

Cdeledu.com Server Information

Cdeledu.com Domain Name Information

Cdeledu.com HTML Validation

Cdeledu.com Desktop Insights

Cdeledu.com Mobile Insights

Cdeledu.com Nearest Competitors

Cdeledu.com Typos