opencv.org.cn ▷ Webrate website statistics and online tools

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 3.06 sec.
Last Checked: 11/13/2024

Opencv.org.cn traffic volume is 5,063 unique daily visitors and their 14,177 pageviews. The web value rate of opencv.org.cn is 243,703 USD. Each visitor makes around 3.00 page views on average.

By Alexa's traffic estimates opencv.org.cn placed at 8,902 position over the world, while the largest amount of its visitors comes from China, where it takes 7,338 place.

Opencv.org.cn is hosted by Shenzhen Tencent Computer Systems Company Limited in Hong Kong; however, we recommend migrating the server to China, as it will speed up opencv.org.cn page load time for the majority of users. See the list of other web pages hosted by Shenzhen Tencent Computer Systems Company Limited.

Opencv.org.cn registered under .CN top-level domain. Check other websites in .CN zone.

The last verification results, performed on (August 20, 2024) opencv.org.cn show that opencv.org.cn has a valid and up-to-date SSL certificate issued by TrustAsia Technologies, Inc. expiring on April 07, 2025. Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by TrustAsia Technologies, Inc..

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust opencv.org.cn is pretty a safe domain.

Relying Google MobileFriendly test opencv.org.cn is not well optimized for mobiles and tablets. Designing your sites to be mobile friendly ensures that all of your web pages perform well on all devices.

Opencv.org.cn General Information

Global Rank

50,893

Average Load Time

0.38sec

Links In Count

199

Website Value

$227,760

Audience Geography. Where are opencv.org.cn visitors located?

Country	Visitors
China CN	96.9%
Taiwan TW	1.5%
Other	1.6%

Country	Pageviews
China CN	97.4%
Taiwan TW	0.5%
Other	2.1%

Country	Rank
China CN	7338
Taiwan TW	42248

Where do visitors go on opencv.org.cn?

Subdomain	Pageviews
opencv.org.cn	94.15%
wiki.opencv.org.cn	5.85%

Subdomain	Pageviews per User
opencv.org.cn	2.9
wiki.opencv.org.cn	2

Subdomain	Reach
opencv.org.cn	92.35%
wiki.opencv.org.cn	9.83%

How popular is opencv.org.cn?

Period	Global Rank	Global Rank Delta
past 3 months	50893	18143
past month	64682	7577
past week	41309	-9105
yesterday	138850	101760

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	56972	18045	11	-36.56%	2.8	10%
30	71700	11267	83	-17.02%	2.8	-7.921%
7	39615	-32819	17	100%	3.6	100%
1	248138	193411	2	-83.729%	1	-48.454%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	51606	19169	14	-42.14%
30	66133	6520	11	-10.05%
7	44997	-622	17	1%
1	109497	75461	8	-68.51%

Opencv.org.cn Safety Information

Overview

Last Updated: 11/13/2024

Overall result - opencv.org.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: 03/21/2024

opencv.org.cn is safe.

Norton ConnectSafe evaluates opencv.org.cn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/15/2016

opencv.org.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

opencv.org.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

opencv.org.cn is safe.

McAfee assesses opencv.org.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 opencv.org.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

opencv.org.cn child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	iapr-tc4.org
Issuer Organization	TrustAsia Technologies, Inc.
Issuer	TrustAsia RSA DV TLS CA G2
Algorithm	RSA-SHA384
Valid form	04/07/2024
Expiration	04/07/2025
Signed	Certificate is not self signed
Additional Domains	iapr-tc4.org www.iapr-tc4.org

Opencv.org.cn Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 132203
ASN Title: Shenzhen Tencent Computer Systems Company Limited

Last Update: 07/18/2024

ASN Whois

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

% Information related to 'AS132096 - AS133119'

as-block: AS132096 - AS133119
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: 2011-08-10T06:21:42Z
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 'AS132203'

% Abuse contact for 'AS132203' is 'jimmyxiao@tencent.com'

aut-num: AS132203
as-name: TENCENT-NET-AP-CN
descr: Tencent Building, Kejizhongyi Avenue
descr: Hi-techPark
descr: Nanshan District
country: CN
org: ORG-STCS1-AP
admin-c: STCS2-AP
tech-c: STCS2-AP
mnt-routes: MAINT-TENCENT-NET-AP-CN
mnt-by: MAINT-TENCENT-NET-AP-CN
mnt-irt: IRT-TENCENT-NET-AP-CN
last-modified: 2017-10-16T00:27:25Z
source: APNIC

irt: IRT-TENCENT-NET-AP-CN
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
e-mail: jimmyxiao@tencent.com
abuse-mailbox: jimmyxiao@tencent.com
admin-c: STCS2-AP
tech-c: STCS2-AP
auth: # Filtered
mnt-by: MAINT-TENCENT-NET-AP-CN
last-modified: 2014-09-17T00:54:14Z
source: APNIC

organisation: ORG-STCS1-AP
org-name: Shenzhen Tencent Computer Systems Company Limited
country: HK
address: Tencent Building, Kejizhongyi Avenue
address: Hi-techPark
address: Nanshan District
phone: +86-755-86013388
fax-no: +86-755-86013030
e-mail: tencent_idc@tencent.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2017-09-01T12:56:34Z
source: APNIC

role: SHENZHEN TENCENT COMPUTER SYSTEMS COMPANY LIMITED
address: Tencent Building, Kejizhongyi Avenue, Hi-techPark,Nanshan District,Shenzhen
country: CN
phone: +86-755-86013388-64196
fax-no: +86-755-86013030
e-mail: jimmyxiao@tencent.com
admin-c: STCS2-AP
tech-c: STCS2-AP
nic-hdl: STCS2-AP
mnt-by: MAINT-TENCENT-NET-AP-CN
last-modified: 2014-09-17T00:57:52Z
source: APNIC

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

Opencv.org.cn Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: opencv.org.cn
ROID: 20060927s10051s02876893-cn
Domain Status: ok
Registrant: 于仕琪
Registrant Contact Email: shiqi.yu@gmail.com
Sponsoring Registrar: 北京新网数码信息技术有限公司
Name Server: ns19.xincache.com
Name Server: ns20.xincache.com
Registration Time: 2006-09-27 16:54:55
Expiration Time: 2029-09-27 16:54:55
DNSSEC: unsigned

DNS Records

DNS Lookup Tool

Host	A Record	TTL
opencv.org.cn	103.28.47.39	3600

Host	MX Record	Priority	TTL

Host	NS Record	TTL
opencv.org.cn	ns20.xincache.com	3600
opencv.org.cn	ns19.xincache.com	3600

Host	TXT Record	TTL

ns19.xincache.com
TTL: 3600
Email address: hostmaster.xincache.com
Serial: 2002042718
Refresh: 3600
Retry: 900
Expire: 720000
Minimum: 3600

Opencv.org.cn HTML Validation

HTML Validation Tool

Errors

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

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

Bad value “archives” for attribute “rel” on element “link”: The string “archives” is not a registered keyword.

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

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

Attribute “width” not allowed on element “select” at this point.

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

Attribute “x-webkit-speech” not allowed on element “input” at this point.

Attribute “speech” not allowed on element “input” at this point.

Attribute “sc” not allowed on element “button” at this point.

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

Bad value “article” for attribute “rel” on element “a”: The string “article” is not a registered keyword.

Bad value “forum” for attribute “rel” on element “a”: The string “forum” is not a registered keyword.

Bad value “user” for attribute “rel” on element “a”: The string “user” is not a registered keyword.

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

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

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

No space between attributes.

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

Row 6 of a row group established by a “tbody” element has no cells beginning on it.

Row 3 of a row group established by a “tbody” element has no cells beginning on it.

Row 2 of a row group established by a “tbody” element has no cells beginning on it.

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

Attribute “hidefocus” not allowed on element “span” at this point.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

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)

The “type” attribute for the “style” element is not needed and should be omitted.

A table row was 0 columns wide, which is less than the column count established by the first row (4).

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

Opencv.org.cn Desktop Insights

Last tested: 09/05/2016

Desktop

Desktop Speed

68%

Leverage browser caching

Optimize images

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

Enable compression

Desktop Resource Breakdown

Total Resources	53
Number of Hosts	6
Static Resources	43
JavaScript Resources	8
CSS Resources	3

Opencv.org.cn Mobile Insights

No data

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Opencv.org.cn

Quick Summary

Opencv.org.cn General Information

Opencv.org.cn Safety Information

Opencv.org.cn Server Information

Opencv.org.cn Domain Name Information

Opencv.org.cn HTML Validation

Opencv.org.cn Desktop Insights

Opencv.org.cn Mobile Insights

Opencv.org.cn Nearest Competitors

Opencv.org.cn Typos