W3school.com.cn w3school 在线教程
全球最大的中文 Web 技术教程。
Server IP address resolved: Yes
Http response code: 200
Response time: 6.34 sec.
Last Checked: 01/14/2023
Over the time w3school.com.cn has been ranked as high as 10,113 in the world, while most of its traffic comes from China, where it reached as high as 194 position.
W3school.com.cn receives about 193,614 unique visitors and 726,053 pageviews per day. The estimated value of w3school.com.cn is 9,539,640 USD. Each unique visitor makes about 3.75 pageviews on average.
W3school.com.cn is registered under .CN top-level domain. Check other websites in .CN zone.
At the time of the last check (November 28, 2019) w3school.com.cn has an expired SSL certificate issued by DigiCert Inc (expired on July 27, 2020). Check other websites using SSL certificates issued by DigiCert Inc.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust w3school.com.cn is quite a safe domain.
Mobile-Friendly test indicates that w3school.com.cn is well optimized for mobile and tablet devices.
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?
| 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% |
| 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% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 935 | -25 |
| past month | 837 | -224 |
| past week | 813 | -152 |
| yesterday | 847 | 178 |
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.
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.
"w3school.com.cn" is not a phishing page.
"w3school.com.cn" does not install unwanted software.
"w3school.com.cn" does not contain harmfull applications.
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 |
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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
Last tested: 09/12/2018
| Total Resources | 20 |
| Number of Hosts | 5 |
| Static Resources | 16 |
| JavaScript Resources | 2 |
| CSS Resources | 1 |
Last tested: 02/08/2018
| Total Resources | 2 |
| Number of Hosts | 1 |
| Static Resources | 1 |
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