jcrb.com audit at Webchart

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 01/22/2023

Over the time jcrb.com has been ranked as high as 4,003 in the world, while most of its traffic comes from China, where it reached as high as 11,101 position.

Jcrb.com receives about 6,498 unique visitors and 7,148 pageviews per day. The estimated value of jcrb.com is 122,640 USD. Each unique visitor makes about 1.1 pageviews on average.

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

At the time of the last check (August 29, 2018) jcrb.com has an expired SSL certificate (expired on May 24, 2018).

According to Google Safe Browsing and Symantec jcrb.com is quite a safe domain.

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

Jcrb.com General Information

Global Rank

96,761

Average Load Time

0.22sec

Links In Count

881

Website Value

$122,640

Audience Geography. Where are jcrb.com visitors located?

Country	Rank
China CN	11101
Korea KR	29471

Country	Percent of Pageviews
China CN	85.7%
Korea KR	3.5%
Other	10.8%

Country	Percent of Visitors
China CN	87%
Korea KR	4%
Other	9%

Where do visitors go on jcrb.com?

Subdomain	Pageviews
news.jcrb.com	50.08%
jcrb.com	26.43%
newspaper.jcrb.com	8.72%
other	14.8%

Subdomain	Pageviews per User
news.jcrb.com	1.1
newspaper.jcrb.com	1
jcrb.com	1

Subdomain	Reach
news.jcrb.com	52.89%
jcrb.com	27.98%
newspaper.jcrb.com	9.27%

How popular is jcrb.com?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	74526	6425	95	-10.92%
30	63115	-41153	11	80%
7	50994	-192187	15	500%
1	50056	-13260	20	20%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	167185	47275	28	-33.79%	1.1	-25.68%
30	140706	-83459	35	80%	1.1	2%
7	124506	-424311	43	600%	1	7%
1	135231	-3443	4	20%	1	0%

Period	Global Rank	Global Rank Delta
past 3 months	96761	17488
past month	81087	-49495
past week	66905	-243913
yesterday	66873	-12145

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

Jcrb.com Safety Information

Overview

Last Updated: 04/28/2024

Unknown status.
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

jcrb.com is safe.

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

Google Safe Search

Last Updated: 04/28/2024

Unknown status.

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 "jcrb.com".
"jcrb.com" is not a phishing page.
"jcrb.com" does not install unwanted software.
"jcrb.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: 02/22/2021

jcrb.com is safe.

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

Web of Trust

Last Updated: 04/28/2024

jcrb.com child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	techjc.cc
Issuer	CA 沃通免费SSL证书 G2
Algorithm	RSA-SHA256
Valid form	05/24/2016
Expiration	05/24/2018
Signed	Certificate is not self signed
Additional Domains	techjc.cc www.techjc.cc

Jcrb.com Server Information

Server Location

Geolocation Tool

Beijing

China

ASN Information

ASN Lookup Tool

ASN ID: 4808
ASN Title: CHINA169-BJ China Unicom Beijing Province Network, CN

Last Update: 10/02/2023

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 'AS4808'

% Abuse contact for 'AS4808' is 'hqs-ipabuse@chinaunicom.cn'

aut-num: AS4808
as-name: CHINA169-BJ
descr: China Unicom Beijing Province Network
country: CN
member-of: AS4837:AS-CNCGROUP
import: from AS4837
action pref=100;
accept ANY
import: from AS9929
action pref=100;
accept AS4814
export: to AS4837
announce AS4808
export: to AS9929
announce AS4808
admin-c: CH1302-AP
tech-c: CH1302-AP
mnt-by: MAINT-CNCGROUP
mnt-irt: IRT-CU-CN
mnt-routes: MAINT-CNCGROUP-RR
last-modified: 2016-05-18T08:44:24Z
source: APNIC

irt: IRT-CU-CN
address: No.21,Financial Street
address: Beijing,100033
address: P.R.China
e-mail: hqs-ipabuse@chinaunicom.cn
abuse-mailbox: hqs-ipabuse@chinaunicom.cn
admin-c: CH1302-AP
tech-c: CH1302-AP
auth: # Filtered
mnt-by: MAINT-CNCGROUP
last-modified: 2017-10-23T05:59:13Z
source: APNIC

person: ChinaUnicom Hostmaster
nic-hdl: CH1302-AP
e-mail: hqs-ipabuse@chinaunicom.cn
address: No.21,Jin-Rong Street
address: Beijing,100033
address: P.R.China
phone: +86-10-66259764
fax-no: +86-10-66259764
country: CN
mnt-by: MAINT-CNCGROUP
last-modified: 2017-08-17T06:13:16Z
source: APNIC

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

Jcrb.com Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: JCRB.COM
Registry Domain ID: 2953247_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2020-10-23T02:02:56Z
Creation Date: 1999-01-06T05:00:00Z
Registry Expiry Date: 2023-01-06T05:00:00Z
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: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS23.HICHINA.COM
Name Server: DNS24.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-25T14:01:11Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
jcrb.com	223.202.67.34	600

Host	MX Record	Priority	TTL
jcrb.com	mail.jcrb.com	1	3600

Host	NS Record	TTL
jcrb.com	dns24.hichina.com	86400
jcrb.com	dns23.hichina.com	86400

Host	TXT Record	TTL

dns23.hichina.com
TTL: 600
Email address: hostmaster.hichina.com
Serial: 1
Refresh: 3600
Retry: 1200
Expire: 3600
Minimum: 600

Jcrb.com HTML Validation

HTML Validation Tool

Errors

Malformed byte sequence: “d5”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “ec”, “b2”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “b0”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “be”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “af”.

Malformed byte sequence: “dc”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “ee”, “b8”.

Malformed byte sequence: “df”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “f1”, “bc”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “ee”, “b4”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “d1”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “e7”, “bb”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “ec”, “ba”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “da”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “f3”, “b0”, “b8”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “e9”, “bc”.

Malformed byte sequence: “e0”, “b2”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “e0”, “b8”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “dd”.

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

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

Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.

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: “a9”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “a5”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “e0”, “bf”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “de”.

Malformed byte sequence: “f7”.

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

Malformed byte sequence: “e4”.

Malformed byte sequence: “db”.

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: “e9”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “e6”.

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

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

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

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

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

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

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

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

Malformed byte sequence: “a4”.

Malformed byte sequence: “e5”, “bb”.

Malformed byte sequence: “ea”, “bc”.

Malformed byte sequence: “ec”, “bb”.

Malformed byte sequence: “eb”, “b6”.

Malformed byte sequence: “e5”, “b6”.

Malformed byte sequence: “ec”, “b9”.

Malformed byte sequence: “ec”, “b6”.

Malformed byte sequence: “e2”, “b4”.

Malformed byte sequence: “f3”, “bb”.

Malformed byte sequence: “e2”, “b6”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “f3”, “bc”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “f2”, “b6”, “ab”.

Malformed byte sequence: “ee”, “b9”.

Malformed byte sequence: “e2”, “b8”.

Malformed byte sequence: “f1”, “b6”, “b7”.

Malformed byte sequence: “e2”, “bb”.

Malformed byte sequence: “e6”, “ba”.

Malformed byte sequence: “d9”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “eb”, “b5”.

Warnings

Text run starts with a composing character.

Empty heading.

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

NON-DOCUMENT-ERROR

Too many messages.

Jcrb.com Desktop Insights

Desktop Page Insights Tool

Last tested: 10/08/2018

Desktop

Desktop Speed

Optimize images

Leverage browser caching

Enable compression

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

Minify HTML

Minify CSS

Minify JavaScript

Desktop Resource Breakdown

Total Resources	154
Number of Hosts	13
Static Resources	133
JavaScript Resources	16
CSS Resources	1

Jcrb.com Mobile Insights

Mobile Page Insights Tool

Last tested: 10/08/2018

Mobile

Mobile Usability

100%

Mobile Speed

Optimize images

Leverage browser caching

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

Enable compression

Minify HTML

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	113
Number of Hosts	9
Static Resources	106
JavaScript Resources	14
CSS Resources	2

Jcrb.com Typos

www.jcrb.com
www.jcrb.net
www.jcrb.org
www.jcrb.info
www.jcrb.biz
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www.jcb.com
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www.jcdb.com
www.jcrdb.com
www.jcfb.com
www.jcrfb.com
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www.jcrtb.com
www.jctrb.com
www.jcr.com
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www.jcrnb.com
www.jcrb.con

Jcrb.com

Quick Summary

Jcrb.com General Information

Jcrb.com Alexa Rank History

Jcrb.com Safety Information

Jcrb.com Server Information

Jcrb.com Domain Name Information

Jcrb.com HTML Validation

Jcrb.com Desktop Insights

Jcrb.com Mobile Insights

Jcrb.com Nearest Competitors

Jcrb.com Typos