W3cschool.cn w3cschool官网 - 1000多本编程教程免费学

w3cschool启用中文品牌名--编程狮，是一个专业的W3C前端开发及编程入门学习平台，提供包括HTML,CSS,Javascript,jQuery,C,PHP,Java,Python,Sql,Mysql等编程语言和开源技术的在线教程及使用手册，是类国外w3schools的W3C学习社区及菜鸟编程...

W3cschool.cn Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 1.89 sec.

Last Checked: 04/25/2024

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W3cschool.cn traffic estimate is about 22,606 unique visitors and 76,860 pageviews per day. The approximated value of w3cschool.cn is 1,011,780 USD. Every unique visitor makes about 3.4 pageviews on average.

Alexa Traffic Rank estimates that w3cschool.cn is ranked number 1,062 in the world, while most of its traffic comes from China, where it occupies as high as 1,026 place.

It’s good for w3cschool.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.

W3cschool.cn is registered under .CN top-level domain. Check other websites in .CN zone.

During the last check (June 16, 2019) w3cschool.cn has an expired wildcard SSL certificate (expired on April 24, 2020), please click the “Refresh” button for SSL Information at the Safety Information section.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust w3cschool.cn is pretty a safe domain.

Relying on Google Mobile-Friendly test w3cschool.cn is well optimized for mobile and tablet devices, however website page loading time may be improved.

W3cschool.cn General Information

W3cschool.cn Audience Geography

Where are website visitors coming from?

Country Visitors
China China CN91.8%
Japan Japan JP2.3%
United States United States US1.1%
Hong Kong Hong Kong HK0.9%
Taiwan Taiwan TW0.6%
Other3.2%

W3cschool.cn Traffic Distribution

Where do visitors go on w3cschool.cn?

SubdomainPageviews
w3cschool.cn96.06%
m.w3cschool.cn3.08%
123.w3cschool.cn0.86%

W3cschool.cn Popularity

How popular is w3cschool.cn?

PeriodGlobal RankGlobal Rank Delta
past 3 months8767167
past month8777345
past week7787-2406
yesterday6979469

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W3cschool.cn Safety Information

Rankchart Summary

Safe

Updated: 04/25/2024

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: 03/22/2024

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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: 10/16/2016

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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: 02/22/2021

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McAfee assesses w3cschool.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 w3cschool.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 w3cschool.cn. This reputation system receives ratings from users and information from third-party sources, assesses the w3cschool.cn for safety features and confirms, whether w3cschool.cn is suitable for children.

W3cschool.cn SSL Information

Information about SSL/TLS certificates

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Domain*.w3cschool.cn
Issuer OrganizationUnknown
IssuerRapidSSL RSA CA 2018
AlgorithmRSA-SHA256
Valid form03/26/2019
Expiration04/24/2020
SignedCertificate is not self signed
Additional Domains*.w3cschool.cn
w3cschool.cn
SSL Checker

W3cschool.cn Server Information

W3cschool.cn Server Location

Where website hosting server is located?

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W3cschool.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: 10/15/2023

Geolocation
ASN Lookup

W3cschool.cn Domain Name Information

W3cschool.cn DNS Information

Domain name service records

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HostA RecordTTL
w3cschool.cn120.79.88.157600

W3cschool.cn Whois Information

Information about registered users or assignees of an Internet resource

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Whois
DNS Lookup

W3cschool.cn HTML Validation

W3cschool.cn W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:
Warnings:
HTML Validator

W3cschool.cn Desktop Performance

How Well W3cschool.cn Performs On Desktops?

Website desktop performance and usability tips

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Speed

93%

93%

Updated: 09/29/2015

W3cschool.cn Mobile Performance

How Optimized Is W3cschool.cn for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

100%

100%

Updated: 07/04/2019

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