21csp.com.cn 中国安防行业网-中国安防网-安防产品-最权威安防网站

公安部科信局支持，中国安防协会主办。提供权威准确的法规政策、标准信息、行业资讯，拥有全面详实的安防产品库、安防商家库、安防解决方案库等。为安防管理机构、安防企业、安防用户及相关机构提供全方位的线上线下咨询服务。

21csp.com.cn Overview

21csp.com.cn is a comprehensive website that serves as a one-stop-shop for users to acquire all sorts of information related to the security and defense industry in China. The website is hosted by CNIX-AP China Networks Inter-Exchange, CN, and has a top-level domain of .CN, which suggests that it caters to Chinese internet users only.

The website is designed with a simple and intuitive user interface to provide users with easy access to diverse information, ranging from legal and regulatory policies, industry news, to an extensive database of security products, and solution providers. The website also aims to facilitate innovative ideas and cutting-edge technologies across the security market.

The home page provides a clear overview of the different categories of information provided by the site, with discrete links to popular sections, including News, Exhibition, Products, and Solutions. Additionally, the website has a search bar for users to enter keywords related to their field of inquiry, and they will be redirected to the relevant sections.

21csp.com.cn is created primarily to serve security management organizations, security companies, security users, and related institutions in the security industry. As a result, it could be said that the website is not necessarily family-friendly since it serves a specific set of niche users, and its contents may not be suitable for underage users.

The website's pagespeed insights score of 56, performance analysis provided by Google, reveals that the site needs improvement in terms of page speed. This means the website may take a few more seconds than necessary to load, which might result in users leaving the site or experiencing an unpleasant browsing experience. Therefore, the website developers should optimize the website's loading speed through various website optimization tools and techniques.

In conclusion, 21csp.com.cn is a reliable source for all security and defense-related inquiries in China, providing users with easy access to industry news, legal, and regulatory policies, products, and solution providers. While its pagespeed insights score of 56 indicates that the site's loading speed needs improvement, the website's seamless user interface and extensive database make it a one-stop-shop for all security enthusiasts in China.

21csp.com.cn Rank Summary

Global Rank

9,320

Average Load Time

4.39sec

Links In Count

305

Website Value

$960,179

Audience Geography. Where are 21csp.com.cn visitors located?

Country	Visitors
China CN	99.7%
Other	0.3%

Country	Pageviews
China CN	99.7%
Other	0.3%

Country	Rank
China CN	909

Where do visitors go on 21csp.com.cn?

Subdomain	Pageviews
21csp.com.cn	48.2%
news.21csp.com.cn	13.41%
b2b.21csp.com.cn	9.72%
train.21csp.com.cn	6.17%
project.21csp.com.cn	5.64%
xh.21csp.com.cn	5.45%
hr.21csp.com.cn	5.24%
usercenter.21csp.com.cn	3.01%
gcs.21csp.com.cn	1.59%
dictionary.21csp.com.cn	1.52%
other	0.07%

Subdomain	Pageviews per User
21csp.com.cn	2.4
b2b.21csp.com.cn	1.3
train.21csp.com.cn	1.2
news.21csp.com.cn	1.2
hr.21csp.com.cn	1.1
xh.21csp.com.cn	1.1
project.21csp.com.cn	1.1
dictionary.21csp.com.cn	1
gcs.21csp.com.cn	1
usercenter.21csp.com.cn	1
other	0

Subdomain	Reach
21csp.com.cn	56.09%
news.21csp.com.cn	30.01%
b2b.21csp.com.cn	20.55%
train.21csp.com.cn	14.44%
project.21csp.com.cn	13.73%
xh.21csp.com.cn	13.47%
hr.21csp.com.cn	13.39%
usercenter.21csp.com.cn	8.05%
gcs.21csp.com.cn	4.39%
dictionary.21csp.com.cn	4.18%

How popular is 21csp.com.cn?

Period	Global Rank	Global Rank Delta
past 3 months	9320	-1278
past month	8740	-673
past week	8708	-758
yesterday	8736	-711

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	11030	-1374	675	9.6%	2.8	0.7%
30	10514	-590	71	5%	2.8	-2.13%
7	10632	-1105	71	10%	2.7	2%
1	12242	280	63	-4.36%	2	-13.48%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	9355	-1312	892	9%
30	8701	-696	95	7%
7	8631	-660	96	8%
1	8242	-1146	99	10%

21csp.com.cn Website Safety

Overview

Last Updated: 12/27/2024

Overall result - 21csp.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: 03/19/2023

21csp.com.cn is safe.

Norton ConnectSafe evaluates 21csp.com.cn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/12/2016

21csp.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

21csp.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: 02/22/2021

21csp.com.cn is safe.

McAfee assesses 21csp.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 21csp.com.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 12/27/2024

21csp.com.cn child safety is unknown.

The WOT calculates reputation of the 21csp.com.cn. This reputation system receives ratings from users and information from third-party sources, assesses the 21csp.com.cn for safety features and confirms, whether 21csp.com.cn is suitable for children.

SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
Domain	Unknown
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	Unknown
Valid form	Unknown
Expiration	Unknown
Signed	No information
Additional Domains

21csp.com.cn Rank History

Alexa Rank shows how popular 21csp.com.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If 21csp.com.cn 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 21csp.com.cn and pageviews on 21csp.com.cn over the past 3 months.

21csp.com.cn Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 4847

ASN Title: CNIX-AP China Networks Inter-Exchange, CN

Last Update: 10/02/2023

% [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 'AS4847'

% Abuse contact for 'AS4847' is 'anti-spam@ns.chinanet.cn.net'

aut-num: AS4847
as-name: CNIX-AP
descr: China Networks Inter-Exchange
descr: Using International Link at Beijing
descr: Connect to Sprint Link Intl and Global Sprint Link
country: CN
import: from AS1792
action pref=100;
accept ANY
import: from AS4000
action pref=100;
accept ANY
export: to AS3460
announce ANY
export: to AS3717
announce ANY
admin-c: LZ1-AP
tech-c: WZ1-CN
mnt-by: MAINT-CHINANET-CN
mnt-irt: IRT-CHINANET-CN
remarks: hostmaster@apnic.net 960910
last-modified: 2015-12-01T22:09:32Z
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: Liang Zhiping
address: Data Communication Bureau
address: Ministry of Posts and Telecommunications
address: 40,Xue Yuan Road
address: Beijing 1000083
country: CN
phone: +86-10-62053944
fax-no: +86-10-62053995
e-mail: lzp@public.bta.net.cn
nic-hdl: LZ1-AP
mnt-by: MAINT-NULL
last-modified: 2008-09-04T07:29:13Z
source: APNIC

person: Wanshu Zhou
address: Data Communication Bureau MPT
address: 40 Xueyuan Rd.
address: Beijing China 100083
country: CN
phone: +86-10-205-3992
fax-no: +86-10-205-3994
e-mail: zhouws@public.bta.net.cn
nic-hdl: WZ1-CN
notify: zhouws@public.bta.net.cn
notify: zhang@usai.asiainfo.com
mnt-by: MAINT-NULL
last-modified: 2011-12-22T05:14:24Z
source: APNIC

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

21csp.com.cn Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: 21csp.com.cn
ROID: 20021209s10011s00057804-cn
Domain Status: ok
Registrant: 中国安全防范产品行业协会
Registrant Contact Email: 897108425@qq.com
Sponsoring Registrar: 阿里云计算有限公司（万网）
Name Server: dns21.hichina.com
Name Server: dns22.hichina.com
Registration Time: 2000-09-27 00:00:00
Expiration Time: 2026-09-27 00:00:00
DNSSEC: unsigned

DNS Records

DNS Lookup Tool

Host	A Record	TTL
21csp.com.cn	122.112.2.221	300

Host	MX Record	Priority	TTL
21csp.com.cn	mxcom.263xmail.com	2	300
21csp.com.cn	mxwcom.263xmail.com	1	300

Host	NS Record	TTL
21csp.com.cn	n3583.ns.yunjiasu.com	86400
21csp.com.cn	n770.ns.yunjiasu.com	86400

Host	TXT Record	TTL

21csp.com.cn HTML Check

HTML Validation Tool

Errors

Malformed byte sequence: “d6”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “b0”.

Malformed byte sequence: “b2”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “d0”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “fe”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “c9”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “d3”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “e0”, “bf”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “ee”, “b6”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “cb”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “eb”, “bf”.

Malformed byte sequence: “da”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “a8”.

Malformed byte sequence: “be”.

Malformed byte sequence: “af”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “f1”, “bb”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “ea”, “bc”.

Malformed byte sequence: “d5”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “a2”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “e2”, “be”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “e2”, “b5”.

Malformed byte sequence: “dc”.

Malformed byte sequence: “ed”, “bb”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “e0”, “b9”.

Malformed byte sequence: “df”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “f1”, “a1”, “a3”.

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”.

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: “d1”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “eb”, “b9”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “d2”.

Bad value “http://b2b.21csp.com.cn/key/��.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.

Bad value “http://b2b.21csp.com.cn/key/��ܱ��.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.

Bad value “http://b2b.21csp.com.cn/key/�Ž�.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.

Bad value “http://b2b.21csp.com.cn/key/��.html” for attribute “href” on element “a”: Illegal character in path segment: “�” is not allowed.

Bad element name “wb:follow-button”: Code point “U+003A” is not allowed

Malformed byte sequence: “a6”.

Malformed byte sequence: “db”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “a5”.

Malformed byte sequence: “d4”.

Bad value “http://wpa.qq.com/msgrd?V=1&Uin=105511899&Site=�߻��Ӣ&Menu=yes” for attribute “href” on element “a”: Illegal character in query: “�” is not allowed.

Bad value “http://wpa.qq.com/msgrd?V=1&Uin=76717287&Site=CEO��&Menu=yes” for attribute “href” on element “a”: Illegal character in query: “�” is not allowed.

Bad value “http://wpa.qq.com/msgrd?V=1&Uin=126455849&Site=��&Menu=yes” for attribute “href” on element “a”: Illegal character in query: “�” is not allowed.

Bad value “http://wpa.qq.com/msgrd?V=1&Uin=105512710&Site=��Ʒ&Menu=yes” for attribute “href” on element “a”: Illegal character in query: “�” is not allowed.

Malformed byte sequence: “d9”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “f2”.

Element “area” is missing required attribute “alt”.

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

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

Malformed byte sequence: “e0”, “b1”.

Malformed byte sequence: “ee”, “b4”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “e7”, “ba”.

Malformed byte sequence: “aa”.

Warnings

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

Element name “wb:follow-button” cannot be represented as XML 1.0.

Text run starts with a composing character.

Text run is not in Unicode Normalization Form C.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

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.

21csp.com.cn Desktop Performance

Last tested: 08/09/2016

Desktop Speed

33%

Optimize images

Leverage browser caching

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

Enable compression

Prioritize visible content

Minify JavaScript

Minify CSS

Desktop Resource Breakdown

Total Resources	199
Number of Hosts	20
Static Resources	188
JavaScript Resources	21
CSS Resources	3

21csp.com.cn Mobile Insights

Last tested: 08/09/2016

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

56%

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

Enable compression

Leverage browser caching

Prioritize visible content

Minify JavaScript

Optimize images

Minify CSS

Mobile Resource Breakdown

Total Resources	30
Number of Hosts	7
Static Resources	22
JavaScript Resources	7
CSS Resources	2

21csp.com.cn Common Typos

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www.21csp.net
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21csp.com.cn 中国安防行业网-中国安防网-安防产品-最权威安防网站

21csp.com.cn Overview

21csp.com.cn Rank Summary

21csp.com.cn Website Safety

21csp.com.cn Rank History

21csp.com.cn Hosting Information

21csp.com.cn Domain Registration and Settings

21csp.com.cn HTML Check

21csp.com.cn Desktop Performance

21csp.com.cn Mobile Insights

21csp.com.cn Similar Audits

21csp.com.cn Common Typos