W3school.com.cn w3school 在线教程
全球最大的中文 Web 技术教程。
W3school.com.cn Overview
W3school.com.cn is a comprehensive website dedicated to providing online tutorials on web technology. The website is designed in such a way that it can accommodate everyone from beginners to experts. The website has a friendly interface that is easy to navigate, making it suitable for both the young and the old. This website is invaluable for people who want to improve their skills in web development, improving website performance, and digital marketing.
The website's name, "w3school," is simple and easy to remember, and it implies that the website is all about teaching web technologies. The title of the website, "w3school 在线教程," written in Mandarin, translates to 'w3school online tutorial,' which is an apt description of the site.
The description reads, "the world's largest Chinese web technology tutorial," which gives an assertive message that the site is the go-to platform for web technology tutorials in China. The site's assertion is not far from the truth, considering the site's 193614 unique users per day and 726052.5 pageviews, which is indicative of the vast user base and popularity of w3school.com.cn in China. The site's value, estimated to be approximately $9,539,640 US dollars, is a testament to the website's financial viability.
The website is hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co., Ltd. in China. This hosting company is known for its reliability in hosting websites with high traffic. Therefore, the choice of the hosting company is appropriate for the website, given that it receives a high volume of traffic daily.
The website's top-level domain is ".CN," which signifies that the website is predominantly for the Chinese audience. The website's SSL certificate, issued by DigiCert Inc, indicates that visitors can access the website securely. This certificate is crucial in building trust among visitors and preventing cybercrime.
The website is family-friendly in that it avoids offensive language, images, or video content that might be inappropriate for minors. The site's content is written in simple, easy-to-understand language that is suitable for people of all ages to learn from.
Google's PageSpeed Insights scores the website as follows;
- Performance 55
- Accessibility 100
- Best Practices 85
- SEO 73
The website's performance score is average, which may indicate that the site needs improvement to load faster. The accessibility, best practices, and SEO scores
W3school.com.cn Rank Summary
Audience Geography. Where are w3school.com.cn visitors located?
China CNWhere do visitors go on w3school.com.cn?
| Subdomain | Pageviews |
|---|---|
| w3school.com.cn | 100% |
| Subdomain | Pageviews per User |
|---|---|
| w3school.com.cn | 4.1 |
| Subdomain | Reach |
|---|---|
| w3school.com.cn | 100% |
How popular is w3school.com.cn?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 935 | -25 |
| past month | 837 | -224 |
| past week | 813 | -152 |
| yesterday | 847 | 178 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 972 | -25 | 521 | 8.6% | 3.75 | 3% |
| 30 | 823 | -291 | 612 | 40% | 4.1 | 10% |
| 7 | 863 | -51 | 59 | 8% | 3.7 | -9.291% |
| 1 | 1031 | 144 | 52 | -13.48% | 3.4 | 9% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 996 | -77 | 550 | 5% |
| 30 | 898 | -215 | 610 | 23% |
| 7 | 852 | -197 | 650 | 20% |
| 1 | 889 | 191 | 650 | -20.36% |
W3school.com.cn Website Safety
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 ConnectSafe evaluates w3school.com.cn for any unsafe and insecure content. The results are critical for families with young children.
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.
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.
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.
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.
| Domain | www.w3school.com.cn |
| Issuer Organization | DigiCert Inc |
| Issuer | Encryption Everywhere DV TLS CA - G1 |
| Algorithm | RSA-SHA256 |
| Valid form | 07/28/2019 |
| Expiration | 07/27/2020 |
| Signed | Certificate is not self signed |
| Additional Domains |
www.w3school.com.cn w3school.com.cn |
W3school.com.cn Rank History
Alexa Rank shows how popular w3school.com.cn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If w3school.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 w3school.com.cn and pageviews on w3school.com.cn over the past 3 months.
W3school.com.cn Hosting Information
ASN ID: 37963
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W3school.com.cn Domain Registration and Settings
Domain Name: w3school.com.cn
ROID: 20060720s10011s66954821-cn
Domain Status: clientTransferProhibited
Registrant: 杨伟伟
Registrant Contact Email: rgb@qq.com
Sponsoring Registrar: 阿里云计算有限公司（万网）
Name Server: dns7.hichina.com
Name Server: dns8.hichina.com
Registration Time: 2006-07-20 11:05:27
Expiration Time: 2029-07-20 11:05:27
DNSSEC: unsigned
| Host | A Record | TTL |
|---|---|---|
| w3school.com.cn | 120.55.40.41 | 600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| w3school.com.cn | mxbiz1.qq.com | 5 | 3600 |
| w3school.com.cn | mxbiz2.qq.com | 10 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| w3school.com.cn | dns8.hichina.com | 86400 |
| w3school.com.cn | dns7.hichina.com | 86400 |
| Host | TXT Record | TTL |
|---|
dns7.hichina.com
TTL: 3600
Email address: hostmaster.hichina.com
Serial: 2017070300
Refresh: 3600
Retry: 1200
Expire: 3600
Minimum: 360
W3school.com.cn HTML Check
W3school.com.cn Lighthouse Performance
W3school.com.cn Desktop Performance
Last tested: 09/12/2018
| Total Resources | 20 |
| Number of Hosts | 5 |
| Static Resources | 16 |
| JavaScript Resources | 2 |
| CSS Resources | 1 |
W3school.com.cn Mobile Insights
Last tested: 02/08/2018
| Total Resources | 2 |
| Number of Hosts | 1 |
| Static Resources | 1 |
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