51cto.com 51CTO.COM - 技术成就梦想 - 中国领先的IT技术网站

中国领先的IT技术网站51CTO(www.51cto.com)是一个为CTO、IT技术经理、系统工程师、网络工程师、安全工程师、数据库工程师、网络管理员、开发工程师、项目管理人员等IT技术人员搭建的互动媒体平台,主要为IT技术人员提供新闻资讯、技术文档、BBS、博客、技术圈、培训课程、人才交流等专业...

51cto.com Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 1.76 sec.

Last Checked: 01/18/2021

51cto.com traffic estimate is about 120,550 unique visitors and 301,375 pageviews per day. The approximated value of 51cto.com is 3,955,140 USD. Every unique visitor makes about 2.5 pageviews on average.

Alexa Traffic Rank estimates that 51cto.com is ranked number 430 in the world, while most of its traffic comes from China, where it occupies as high as 640 place.

51cto.com is registered under .COM top-level domain. Check other websites in .COM zone.

During the last check (November 28, 2019) 51cto.com has an expired SSL certificate issued by DigiCert Inc (expired on February 19, 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 51cto.com is pretty a safe domain.

Relying on Google Mobile-Friendly test 51cto.com is well optimized for mobile and tablet devices, however website page loading time may be improved.

51cto.com General Information

51cto.com Audience Geography

Where are website visitors coming from?

Country Visitors
China China CN90.8%
United States United States US3%
Taiwan Taiwan TW1.7%
Hong Kong Hong Kong HK1.4%
Other3.2%

51cto.com Traffic Distribution

Where do visitors go on 51cto.com?

SubdomainPageviews
blog.51cto.com65.52%
developer.51cto.com9.64%
edu.51cto.com6.13%
51cto.com3.6%
bbs.51cto.com3.51%
other11.61%

51cto.com Popularity

How popular is 51cto.com?

PeriodGlobal RankGlobal Rank Delta
past 3 months2273582
past month53373128
past week4578-60
yesterday3936-1381

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51cto.com Safety Information

Rankchart Summary

Safe

Updated: 01/18/2021

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: 10/10/2016

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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: 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: 02/22/2020

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McAfee assesses 51cto.com 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 51cto.com 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 51cto.com. This reputation system receives ratings from users and information from third-party sources, assesses the 51cto.com for safety features and confirms, whether 51cto.com is suitable for children.

51cto.com SSL Information

Information about SSL/TLS certificates

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Domainwww.cioage.com
Issuer OrganizationDigiCert Inc
IssuerEncryption Everywhere DV TLS CA - G1
AlgorithmRSA-SHA256
Valid form02/19/2019
Expiration02/19/2020
SignedCertificate is not self signed
Additional Domains www.cioage.com
cioage.com

51cto.com Server Information

51cto.com Server Location

Where website hosting server is located?

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51cto.com 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

51cto.com Domain Name Information

51cto.com DNS Information

Domain name service records

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HostA RecordTTL

51cto.com Whois Information

Information about registered users or assignees of an Internet resource

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51cto.com HTML Validation

51cto.com W3C HTML Markup Validation

HTML markup errors and warnings

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Warnings:
Errors:

51cto.com Desktop Performance

How Well 51cto.com Performs On Desktops?

Website desktop performance and usability tips

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Speed

51%

51%


Updated: 05/05/2017

51cto.com Mobile Performance

How Optimized Is 51cto.com for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

89%

89%


Updated: 12/02/2019

51cto.com Nearest Competitors

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