W3school.com.cn w3school 在线教程

全球最大的中文 Web 技术教程。

W3school.com.cn Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 5.47 sec.

Last Checked: 04/13/2021

W3school.com.cn traffic estimate is about 193,614 unique visitors and 726,053 pageviews per day. The approximated value of w3school.com.cn is 9,539,640 USD. Every unique visitor makes about 3.75 pageviews on average.

Alexa Traffic Rank estimates that w3school.com.cn is ranked number 330 in the world, while most of its traffic comes from China, where it occupies as high as 194 place.

It’s good for w3school.com.cn that their hosting company CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN is located in China, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN.

W3school.com.cn is registered under .CN top-level domain. Check other websites in .CN zone.

During the last check (November 28, 2019) w3school.com.cn has an expired SSL certificate issued by DigiCert Inc (expired on July 27, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by DigiCert Inc.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust w3school.com.cn is pretty a safe domain.

Relying on Google Mobile-Friendly test w3school.com.cn is well optimized for mobile and tablet devices.

W3school.com.cn General Information

W3school.com.cn Audience Geography

Where are website visitors coming from?

Country Visitors
China China CN95.7%
Japan Japan JP1.9%
Taiwan Taiwan TW1.3%
Other1%

W3school.com.cn Traffic Distribution

Where do visitors go on w3school.com.cn?

SubdomainPageviews
w3school.com.cn100%

W3school.com.cn Popularity

How popular is w3school.com.cn?

PeriodGlobal RankGlobal Rank Delta
past 3 months935-25
past month837-224
past week813-152
yesterday847178

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W3school.com.cn Safety Information

Rankchart Summary

Safe

Updated: 04/13/2021

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: 08/05/2020

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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: 02/01/2019

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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: 08/11/2020

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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: 02/22/2021

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McAfee assesses w3school.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 w3school.com.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/09/2019

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The WOT calculates reputation of the w3school.com.cn. This reputation system receives ratings from users and information from third-party sources, assesses the w3school.com.cn for safety features and confirms, whether w3school.com.cn is suitable for children.

W3school.com.cn SSL Information

Information about SSL/TLS certificates

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Domainwww.w3school.com.cn
Issuer OrganizationDigiCert Inc
IssuerEncryption Everywhere DV TLS CA - G1
AlgorithmRSA-SHA256
Valid form07/28/2019
Expiration07/27/2020
SignedCertificate is not self signed
Additional Domains www.w3school.com.cn
w3school.com.cn

W3school.com.cn Server Information

W3school.com.cn Server Location

Where website hosting server is located?

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W3school.com.cn ASN Information

Information about IP address owner

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ASN ID: 37963

ASN Title: CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN

Updated: 10/09/2020

W3school.com.cn Domain Name Information

W3school.com.cn DNS Information

Domain name service records

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HostA RecordTTL
w3school.com.cn120.55.40.41600

W3school.com.cn Whois Information

Information about registered users or assignees of an Internet resource

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W3school.com.cn HTML Validation

W3school.com.cn W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

W3school.com.cn Desktop Performance

How Well W3school.com.cn Performs On Desktops?

Website desktop performance and usability tips

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Speed

88%

88%


Updated: 09/12/2018

W3school.com.cn Mobile Performance

How Optimized Is W3school.com.cn for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

89%

89%


Updated: 02/08/2018

W3school.com.cn Nearest Competitors

W3school.com.cn URL Typos

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