Sdada.edu.cn

Sdada.edu.cn Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 04/28/2024

Sdada.edu.cn traffic estimate is about 13,440 unique visitors and 67,200 pageviews per day. The approximated value of sdada.edu.cn is 100,800 USD. Every unique visitor makes about 5 pageviews on average.

Alexa Traffic Rank estimates that sdada.edu.cn is ranked number 19,896 in the world.

Sdada.edu.cn server is located in China, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time. See the list of other websites hosted by CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN.

Sdada.edu.cn is registered under .CN top-level domain. Check other websites in .CN zone.

During the last check (November 13, 2019) sdada.edu.cn has an expired wildcard SSL certificate issued by WoSign CA Limited (expired on June 14, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by WoSign CA Limited.

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

Relying on Google Mobile-Friendly test sdada.edu.cn is well optimized for mobile and tablet devices, however website page loading time may be improved.

Sdada.edu.cn General Information

Sdada.edu.cn Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Sdada.edu.cn Traffic Distribution

Where do visitors go on sdada.edu.cn?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Sdada.edu.cn Popularity

How popular is sdada.edu.cn?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta

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Sdada.edu.cn Safety Information

Rankchart Summary

Safe

Updated: 04/28/2024

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

Safe

Updated: 03/21/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 11/01/2016

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/24/2021

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McAfee assesses sdada.edu.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 sdada.edu.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/10/2019

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

Sdada.edu.cn SSL Information

Information about SSL/TLS certificates

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Domain	*.sdada.edu.cn
Issuer Organization	WoSign CA Limited
Issuer	WoSign OV SSL CA
Algorithm	RSA-SHA256
Valid form	06/16/2017
Expiration	06/14/2020
Signed	Certificate is not self signed
Additional Domains	*.sdada.edu.cn sdada.edu.cn

SSL Checker

Sdada.edu.cn Server Information

Sdada.edu.cn Server Location

Where website hosting server is located?

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Sdada.edu.cn ASN Information

Information about IP address owner

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ASN ID: 4837

ASN Title: CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN

Updated: 03/06/2024

Raw ASN data:

% [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 'AS4837'

% Abuse contact for 'AS4837' is 'hqs-ipabuse@chinaunicom.cn'

aut-num: AS4837
as-name: CHINA169-Backbone
descr: CHINA UNICOM China169 Backbone
country: CN
member-of: AS4837:AS-CNCGROUP
import: from AS701
action pref=100;
accept ANY
import: from AS1239
action pref=100;
accept ANY
import: from AS4808
action pref=100;
accept AS4808
import: from AS4814
action pref=100;
accept AS4814
import: from AS17816
action pref=100;
accept AS17816
export: to AS701
announce AS4837
export: to AS1239
announce AS4837
export: to AS4808
announce AS4837
export: to AS4814
announce AS4837
export: to AS17816
announce AS4837
admin-c: CH444-AP
tech-c: CH444-AP
mnt-routes: MAINT-CNCGROUP-RR
mnt-by: MAINT-CNCGROUP-RR
mnt-irt: IRT-CU-CN
last-modified: 2017-08-28T02:14:10Z
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: CNCGroup Hostmaster
nic-hdl: CH444-AP
e-mail: hqs-ipabuse@chinaunicom.cn
address: No.21,Financial Street
address: Beijing,100033,P.R.China
phone: +86-10-66259764
fax-no: +86-10-66259764
country: CN
mnt-by: MAINT-CN-CUCGROUP
last-modified: 2017-09-05T06:36:14Z
source: APNIC

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

Geolocation

ASN Lookup

Sdada.edu.cn Domain Name Information

Sdada.edu.cn DNS Information

Domain name service records

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A
MX
NS
TXT
SOA

Host	A Record	TTL
sdada.edu.cn	124.128.249.249	10800

Host	MX Record	Priority	TTL
sdada.edu.cn	mxbiz2.qq.com	10	10800
sdada.edu.cn	mxbiz1.qq.com	5	10800

Host	NS Record	TTL
sdada.edu.cn	dns1.sdada.edu.cn	10800
sdada.edu.cn	dns2.sdada.edu.cn	10800
sdada.edu.cn	dns3.sdada.edu.cn	10800

Host	TXT Record	TTL
sdada.edu.cn	v=spf1	10800

Sdada.edu.cn Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Sdada.edu.cn HTML Validation

Sdada.edu.cn W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

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

The “for” attribute on the “script” element is obsolete. Use DOM Events mechanisms to register event listeners.

The “event” attribute on the “script” element is obsolete. Use DOM Events mechanisms to register event listeners.

Stray end tag “link”.

Attribute “devices” not allowed on element “script” at this point.

The “align” attribute on the “div” 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 “width” 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.

Attribute “background” not allowed on element “td” at this point.

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

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

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

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

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

Stray end tag “td”.

Stray end tag “tr”.

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

Saw “=” when expecting an attribute name. Probable cause: Attribute name missing.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Start tag “tdheight” seen in “table”.

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.

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

Attribute “="8"” is not serializable as XML 1.0.

HTML Validator

Sdada.edu.cn Desktop Performance

How Well Sdada.edu.cn Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

53%

Leverage browser caching

Optimize images

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

Enable compression

Minify HTML

Updated: 04/09/2016

Sdada.edu.cn Mobile Performance

How Optimized Is Sdada.edu.cn for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

96%

Size content to viewport

Updated: 11/27/2019

Sdada.edu.cn Nearest Competitors

Estimated Nearest Competitors Of Sdada.edu.cn

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sdada.edu.cn
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tabletpcreview.com
c*******r.top
tadalafi.buzz
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esl-lounge.com
g******u.cn
9lessons.info

Sdada.edu.cn URL Typos

Most common user URL mistypes for sdada.edu.cn

www.sdada.com
www.sdada.net
www.sdada.org
www.sdada.info
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www.sdadza.edu.cn

Total Resources	126
Number of Hosts	11
Static Resources	121
JavaScript Resources	5

Images	656.9 KBytes
HTML	154.0 KBytes
JavaScript	49.2 KBytes

Total Resources	47
Number of Hosts	1
Static Resources	45
JavaScript Resources	10
CSS Resources	5

CSS	52.2 KBytes
Images	4.0 MBytes
HTML	41.1 KBytes
JavaScript	152.0 KBytes