51dupdf.com 51dupdf.com

   
免费PDF电子图书下载-我要读PDF论坛 -

Domain Summary

What is the traffic rank for 51dupdf.com?

• 51dupdf.com ranks #4,306,072 globally on HypeStat.

What percent of global Internet users visit 51dupdf.com?

8.8E-5% of global Internet users visit 51dupdf.com

How many people visit 51dupdf.com each day?

• 51dupdf.com receives approximately 4.3K visitors and 8,677 page impressions per day.

Which countries does 51dupdf.com receive most of its visitors from?

• 51dupdf.com is mostly visited by people located in China.

How much 51dupdf.com can earn?

• 51dupdf.com should earn about $1.87/day from advertising revenue.

What is 51dupdf.com estimated value?

• Estimated value of 51dupdf.com is $1,730.82.

What IP addresses does 51dupdf.com resolve to?

• 51dupdf.com resolves to the IP addresses 121.42.88.36.

Where are 51dupdf.com servers located in?

• 51dupdf.com has servers located in Hangzhou, 02, China.

51dupdf.com Profile

Title:免费PDF电子图书下载-我要读PDF论坛 -
Description:我要读PDF论坛是PDF中国爱好者交流使用经验和电子书、小说、漫画、杂志资源共享互助的交流社区。大量的精排PDF电子书、漫画、杂志可以免费下载。
Tags:

What technologies does 51dupdf.com use?

These are the technologies used at 51dupdf.com. 51dupdf.com has a total of 2 technologies installed in 2 different categories.

51dupdf.com Traffic Analysis

51dupdf.com is ranked #4,306,072 in the world. This website is viewed by an estimated 4.3K visitors daily, generating a total of 8.7K pageviews. This equates to about 131.4K monthly visitors.
Daily Visitors4.3K
Monthly Visits131.4K
Pages per Visit2.00
Visit duration n/a
Bounce Rate n/a
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
4,338
Monthly Visits:
131,441
Pages per Visit:
2.00
Daily Pageviews:
8,677
Avg. visit duration:
n/a
Bounce rate:
n/a
Global Reach:
8.8E-5%
HypeRank:
4,306,072
*All traffic values are estimates only.

Visitors by country

Country
Users%
 
China 97.1%

Where do visitors go on 51dupdf.com?

 
Reach%Pageviews%PerUser
51dupdf.com
100.00%100.00%2
Last update was 1597 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with 51dupdf.com in any way. Only publicly available statistics data are displayed.

 

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  51dupdf.com
Rank:
(Rank based on keywords, cost and organic traffic)
  n/a
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00

Revenue report

Google.com would generate approximately $1.9 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $56.1 and annual gross revenue of approximately $682.6. Based on these figures, the site's net worth is estimated at around $1.7K.

How much would 51dupdf.com make?

Daily Revenue:
$1.87
Monthly Revenue:
$56.10
Yearly Revenue:
$682.55
*All earnings values are estimates only.

Daily earning by country

 
CountryPageviewsEarning
 
China 8,417$0.84

Loss of money due to Adblock?

Daily Revenue Loss:
$0.11
Monthly Revenue Loss:
$3.28
Yearly Revenue Loss:
$39.94
Daily Pageviews Blocked:
1,094
Monthly Pageviews Blocked:
32,825
Yearly Pageviews Blocked:
399,372

Daily revenue loss by country

 
CountryBlockedLost Money
 
China 1,094$0.11

How much is 51dupdf.com worth?

Website Value:
$1.7K

Ad Experience Report

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:
51dupdf.com
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
51dupdf.com
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Abusive Experience Report

Summary of the abusive experience rating of a website.
Root domain:
51dupdf.com
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

Where is 51dupdf.com hosted?

51dupdf.com may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
121.42.88.36
ASN:
AS37963 
ISP:
Hangzhou Alibaba Advertising Co.,Ltd. 
Server Location:
Hangzhou
02
China
 

Other sites hosted on 121.42.88.36

There are no other sites hosted on this IP

How fast does 51dupdf.com load?

The average loading time of 51dupdf.com is n/a ms. The Desktop speed index is 76 and mobile speed index is 100.
Average Load Time:
n/a ms

Page Speed (Google PageSpeed Insights) - Desktop

76
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)0 0% of loads for this page have a fast (<0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>0ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0ms) Largest Contentful Paint (LCP) 0%

Origin Data

All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)0 0% of loads for this page have a fast (<0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>0ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0ms) Largest Contentful Paint (LCP) 0%

Lab Data


Page Speed (Google PageSpeed Insights) - Mobile

100
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)0 0% of loads for this page have a fast (<0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have an average (0s ~ 0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>0s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0s) Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0s ~ 0s) Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0s) Largest Contentful Paint (LCP) 0%

Origin Data

All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)0 0% of loads for this page have a fast (<0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have an average (0s ~ 0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>0s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0s)Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0s ~ 0s)Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0s)Largest Contentful Paint (LCP) 0%

Lab Data

Does 51dupdf.com use compression?

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on 51dupdf.com are reduced by %.
51dupdf.com does not use compression.
Original size: n/a
Compressed size: n/a
File reduced by: (%)

Google Safe Browsing

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

SSL Checker - SSL Certificate Verify

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. 51dupdf.com does not support HTTPS.
 51dupdf.com does not support HTTPS
     
Verifying SSL Support. Please wait...

Verify HTTP/2 Support

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 51dupdf.com does not support HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.
HTTP/1.1 200 OK
Date: Sat, 28 Jan 2017 15:32:36 GMT
Server: Apache
Set-Cookie: ii3d_2132_saltkey=o24fN8r7; expires=Mon, 27-Feb-2017 15:32:36 GMT; path=/; httponly
Set-Cookie: ii3d_2132_lastvisit=1485613956; expires=Mon, 27-Feb-2017 15:32:36 GMT; path=/
Set-Cookie: ii3d_2132_sid=k1o44H; expires=Sun, 29-Jan-2017 15:32:36 GMT; path=/
Set-Cookie: ii3d_2132_lastact=1485617556%09forum.php%09; expires=Sun, 29-Jan-2017 15:32:36 GMT; path=/
Set-Cookie: ii3d_2132_onlineusernum=35; expires=Sat, 28-Jan-2017 15:37:36 GMT; path=/
Set-Cookie: ii3d_2132_pc_size_c=0; expires=Sun, 29-Jan-2017 15:32:36 GMT; path=/
Set-Cookie: ii3d_2132_sid=k1o44H; expires=Sun, 29-Jan-2017 15:32:36 GMT; path=/
Vary: User-Agent,Accept-Encoding
Connection: close
Content-Type: text/html; charset=gbk

DNS Lookup

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
SOA 3600
Mname ns1.ezdnscenter.com
Rname webmaster.ns1.ezdnscenter.com
Serial Number 7
Refresh 86400
Retry 180
Expire 2592000
Minimum TTL 28800
A 121.42.88.36 3600
NS ns1.ezdnscenter.com 3597
NS ns4.ezdnscenter.com 3597
NS ns2.ezdnscenter.com 3597
NS ns6.ezdnscenter.com 3597
NS ns5.ezdnscenter.com 3597
NS ns3.ezdnscenter.com 3597

Whois Lookup

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on April 1, 2015 and will expire on December 13, 2024 if not renewed. This website is now assigned through the registrar . The WHOIS data for this website's domain was last updated on December 13, 2024.
Domain Created:
2015-04-01
Domain Age:
9 years 8 months 12 days
WhoIs:
 

whois lookup at grs-whois.cndns.com...Domain Name: 51dupdf.com
Registry Domain ID: 10379744
Registrar WHOIS Server: grs-whois.cndns.com
Registrar URL: http://www.cndns.com
Updated Date: 2016-05-10T08:38:17Z
Create Date: 2015-04-01T11:43:08Z
Registrar Registration Expiration Date: 2018-04-01T11:43:08Z
Registrar: SHANGHAI MEICHENG TECHNOLOGY INFORMATION DEVELOPMENT CO., LTD.
Registrar IANA ID: 1621
Registrar Abuse Contact Email: email
Registrar Abuse Contact Phone: +86.2151697771
Reseller: (null)
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: 
Registrant Name: Whois Agent
Registrant Organization: Domain Whois Privacy Protection Service
Registrant Street: Room3001, No. 707 Zhangyang Road, Shanghai
Registrant City: shanghai
Registrant State/Province: shanghai
Registrant Postal Code: 200122
Registrant Country: CN
Registrant Phone: +86.2151697771
Registrant Phone Ext:
Registrant Fax: +86.02151697771
Registrant Fax Ext:
Registrant Email: email
Registry Admin ID: 
Admin Name: Whois Agent
Admin Street: Room3001, No. 707 Zhangyang Road, Shanghai
Admin City: shanghai
Admin State/Province: shanghai
Admin Postal Code: 200122
Admin Country: CN
Admin Phone: +86.2151697771
Admin Phone Ext:
Admin Fax: +86.02151697771
Admin Fax Ext:
Admin Email: email
Registry Tech ID: 
Tech Name: Whois Agent
Tech Street: Room3001, No. 707 Zhangyang Road, Shanghai
Tech City: shanghai
Tech State/Province: shanghai
Tech Postal Code: 200122
Tech Country: CN
Tech Phone: +86.2151697771
Tech Phone Ext:
Tech Fax: +86.02151697771
Tech Fax Ext:
Tech Email: email
Name Server: privacyprotect1.ezdnscenter.com
Name Server: privacyprotect2.ezdnscenter.com
DNSSEC:unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of whois database: 2009-05-29T20:15:00Z <<<
For more information on Whois status codes, please visit: https://www.icann.org/resources/pages/epp-status-codes-list-2014-06-18-enwhois lookup at whois.crsnic.net...Whois Server Version 2.0

Domain names in the .com and .net domains can now be registered
with many different competing registrars. Go to http://www.internic.net
for detailed information.

   Domain Name: 51DUPDF.COM
   Registrar: SHANGHAI MEICHENG TECHNOLOGY INFORMATION DEVELOPMENT CO., LTD.
   Sponsoring Registrar IANA ID: 1621
   Whois Server: grs-whois.cndns.com
   Referral URL: http://www.cndns.com
   Name Server: NS1.EZDNSCENTER.COM
   Name Server: NS2.EZDNSCENTER.COM
   Name Server: NS3.EZDNSCENTER.COM
   Name Server: NS4.EZDNSCENTER.COM
   Name Server: NS5.EZDNSCENTER.COM
   Name Server: NS6.EZDNSCENTER.COM
   Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
   Updated Date: 29-sep-2016
   Creation Date: 01-apr-2015
   Expiration Date: 01-apr-2018

>>> Last update of whois database: Sat, 28 Jan 2017 15:32:25 GMT <<<

For more information on Whois status codes, please visit https://icann.org/epp

NOTICE: The expiration date displayed in this record is the date the
registrar's sponsorship of the domain name registration in the registry is
currently set to expire. This date does not necessarily reflect the expiration
date of the domain name registrant's agreement with the sponsoring
registrar.  Users may consult the sponsoring registrar's Whois database to
view the registrar's reported date of expiration for this registration.

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