Thuvienkhoahoc.com Thư viện Khoa học - VLOS

The Vietanmese Library of Science Website www.thuvienkhoahoc.com

Thuvienkhoahoc.com Overview

Thuvienkhoahoc.com ranking shows that the page is at position 318,731 over the world, while the bulk of its audience is from Viet Nam, where it ranks 4,319.

Thuvienkhoahoc.com hosted on CMCTELECOM-AS-VN CMC Telecom Infrastructure Company, VN servers in United States. To reduce page loading time for the majority of thuvienkhoahoc.com users, we recommend migrating the server to Viet Nam, as it will speed up thuvienkhoahoc.com page load time for the majority of users. See the list of other webpages hosted on CMCTELECOM-AS-VN CMC Telecom Infrastructure Company, VN servers.

In terms of rank-to-traffic ratio, thuvienkhoahoc.com has 1,778 unique users per day, viewing 2,309 pages. The rank based value of thuvienkhoahoc.com is 42,616 USD. Every user makes 1.39 pageviews on average.

Thuvienkhoahoc.com boasts a link base consisting of 262 referring domains and 294 external backlinks, as revealed by the data obtained from web network scanning.

Thuvienkhoahoc.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in October 11, 2024, thuvienkhoahoc.com has an expired SSL certificate issued by Let's Encrypt (expired on November 18, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust thuvienkhoahoc.com is a fairly safe domain.

According the Mobile-Friendly test by Google thuvienkhoahoc.com is nice optimized for mobile devices and tablets.

Thuvienkhoahoc.com Rank Summary

Global Rank

318,731

Average Load Time

4.37sec

Links In Count

244

Website Value

$39,459

Audience Geography. Where are thuvienkhoahoc.com visitors located?

Country	Visitors
Viet Nam VN	93.1%
Other	6.7%

Country	Pageviews
Viet Nam VN	86.4%
Other	13.5%

Country	Rank
Viet Nam VN	4319

Where do visitors go on thuvienkhoahoc.com?

Subdomain	Pageviews
tusach.thuvienkhoahoc.com	98.85%
other	1.15%

Subdomain	Pageviews per User
tusach.thuvienkhoahoc.com	1.4

Subdomain	Reach
tusach.thuvienkhoahoc.com	100%

How popular is thuvienkhoahoc.com?

Period	Global Rank	Global Rank Delta
past 3 months	318731	58069
past month	443401	126873
past week	509147	47337
yesterday	1129487	718137

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	482231	116860	7	-29.69%	1.3	-16.77%
30	655958	158471	5	-34.03%	1.4	7%
7	767547	176032	4	-22.96%	1.2	-30.34%
1	1250168	644219	2	-73.007%	1	-13.79%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	274808	39009	2	-15.86%
30	386287	117274	12	-38.65%
7	441878	-6344	12	10%
1	1036450	678535	6	-68.816%

Thuvienkhoahoc.com Website Safety

Overview

Last Updated: 11/25/2025

Overall result - thuvienkhoahoc.com is safe.

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

Last Updated: 03/27/2025

thuvienkhoahoc.com is safe.

Norton ConnectSafe evaluates thuvienkhoahoc.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/23/2016

thuvienkhoahoc.com is safe.

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.

Google Safe Browsing

Last Updated: 01/09/2019

thuvienkhoahoc.com is safe.
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.

Site Advisor

Last Updated: 02/26/2021

thuvienkhoahoc.com is safe.

McAfee assesses thuvienkhoahoc.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 thuvienkhoahoc.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/10/2019

thuvienkhoahoc.com child safety is very good.

The WOT calculates reputation of the thuvienkhoahoc.com. This reputation system receives ratings from users and information from third-party sources, assesses the thuvienkhoahoc.com for safety features and confirms, whether thuvienkhoahoc.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	thuvienkhoahoc.com
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	08/20/2024
Expiration	11/18/2024
Signed	Certificate is not self signed
Additional Domains	thuvienkhoahoc.com www.thuvienkhoahoc.com

Thuvienkhoahoc.com Rank History

Alexa Rank shows how popular thuvienkhoahoc.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If thuvienkhoahoc.com 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 thuvienkhoahoc.com and pageviews on thuvienkhoahoc.com over the past 3 months.

Thuvienkhoahoc.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 45903

ASN Title: CMCTELECOM-AS-VN CMC Telecom Infrastructure Company, VN

Last Update: 04/22/2025

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS45056 - AS46079'

as-block: AS45056 - AS46079
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T05:48:11Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS45894 - AS45903'

as-block: AS45894 - AS45903
descr: VNNIC-ASBLOCK-VN
descr: VNNIC
descr: Vietnam Network Information Center
country: VN
admin-c: TMT17-AP
tech-c: NHT16-AP
remarks: Block of 10 AS numbers from 45894 - 45903
remarks: for assignment to VNNIC members
mnt-by: APNIC-HM
mnt-lower: MAINT-VN-VNNIC
last-modified: 2015-08-05T00:58:13Z
source: APNIC

person: Nguyen Hong Thang
nic-hdl: NHT16-AP
e-mail: tech@vnnic.vn
address: Vietnam Internet Network Information Center
address: 18 Nguyen Du, Hai Ba Trung, Hanoi
phone: +84-4-35564944
fax-no: +84-4-37821462
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2015-08-04T01:56:01Z
source: APNIC

person: Tran Minh Tan
nic-hdl: TMT17-AP
e-mail: info@vnnic.vn
address: Vietnam Internet Network Information Center
address: 18 Nguyen Du, Hai Ba Trung, Hanoi
phone: +84-4-35564944
fax-no: +84-4-37821462
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2015-08-04T01:56:01Z
source: APNIC

% Information related to 'AS45903'

% Abuse contact for 'AS45903' is 'hm-changed@vnnic.vn'

aut-num: AS45903
as-name: CMCTELECOM-AS-VN
descr: CMC Telecom Infrastructure Company
descr: 15th floor, CMC Tower, Duy Tan, Cau Giay, Hanoi, Vietnam
country: VN
import: from AS7643 action pref=100; accept AS45903
import: from AS7552 action pref=100; accept AS45903
import: from AS24086 action pref=100; accept AS45903
export: to AS7643 announce AS45903
export: to AS7552 announce AS45903
export: to AS24086 announce AS45903
admin-c: NNT29-AP
tech-c: NDP9-AP
mnt-by: MAINT-VN-VNNIC
mnt-irt: IRT-VNNIC-AP
mnt-routes: MAINT-VN-VNNIC
last-modified: 2017-11-16T09:03:30Z
source: APNIC

irt: IRT-VNNIC-AP
address: Ha Noi, VietNam
phone: +84-24-35564944
fax-no: +84-24-37821462
e-mail: hm-changed@vnnic.vn
abuse-mailbox: hm-changed@vnnic.vn
admin-c: NTTT1-AP
tech-c: NTTT1-AP
auth: # Filtered
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-08T09:40:06Z
source: APNIC

person: Nguyen Duc Phong
address: CMCTELECOM-VN
country: VN
phone: +84-0918467458
e-mail: phong.nd@cmctelecom.vn
nic-hdl: NDP9-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-16T08:35:09Z
source: APNIC

person: Nguyen Nhu Thanh
address: CMCTELECOM-VN
country: VN
phone: +84-0982741198
e-mail: thanh.nn@cmctelecom.vn
nic-hdl: NNT29-AP
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-16T08:32:42Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Thuvienkhoahoc.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: THUVIENKHOAHOC.COM
Registry Domain ID: 253755067_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2024-10-15T11:04:59Z
Creation Date: 2005-11-12T14:58:24Z
Registry Expiry Date: 2025-11-12T14:58:24Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS1.REGISTRAR-SERVERS.COM
Name Server: DNS2.REGISTRAR-SERVERS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-20T01:32:55Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
thuvienkhoahoc.com	192.187.96.123	38400

Host	MX Record	Priority	TTL
thuvienkhoahoc.com	mx2.mailhostbox.com	100	38400
thuvienkhoahoc.com	mx1.mailhostbox.com	100	38400
thuvienkhoahoc.com	mx3.mailhostbox.com	100	38400

Host	NS Record	TTL
thuvienkhoahoc.com	downtownhost.mars.orderbox-dns.com	38400
thuvienkhoahoc.com	downtownhost.venus.orderbox-dns.com	38400
thuvienkhoahoc.com	downtownhost.mercury.orderbox-dns.com	38400
thuvienkhoahoc.com	downtownhost.earth.orderbox-dns.com	38400

Host	TXT Record	TTL

downtownhost.mars.orderbox-dns.com
TTL: 38400
Email address: vietbio.gmail.com
Serial: 2018120916
Refresh: 7200
Retry: 7200
Expire: 7200
Minimum: 7200

Thuvienkhoahoc.com HTML Check

HTML Validation Tool

Warnings

Potentially bad value “copyright” for attribute “rel” on element “link”: The keyword “copyright” for the “rel” attribute should not be used. Consider using “license” instead.

Errors

Attribute “itemprop” not allowed on element “meta” at this point.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Element “dl” is missing a required child element.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Start tag “p” seen in “table”.

Cannot recover after last error. Any further errors will be ignored.

Thuvienkhoahoc.com Desktop Performance

Last tested: 11/21/2019

Desktop Speed

91%

Leverage browser caching

Optimize images

Desktop Resource Breakdown

Total Resources	20
Number of Hosts	9
Static Resources	11
JavaScript Resources	6

Thuvienkhoahoc.com Mobile Insights

Last tested: 01/17/2019

Mobile Usability

74%

Use legible font sizes

Configure the viewport

Mobile Speed

89%

Leverage browser caching

Optimize images

Mobile Resource Breakdown

Total Resources	33
Number of Hosts	12
Static Resources	19
JavaScript Resources	13
CSS Resources	1

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Thuvienkhoahoc.com Thư viện Khoa học - VLOS

The Vietanmese Library of Science Website www.thuvienkhoahoc.com

Thuvienkhoahoc.com Overview

Thuvienkhoahoc.com Rank Summary

Thuvienkhoahoc.com Website Safety

Thuvienkhoahoc.com Rank History

Thuvienkhoahoc.com Hosting Information

Thuvienkhoahoc.com Domain Registration and Settings

Thuvienkhoahoc.com HTML Check

Thuvienkhoahoc.com Desktop Performance

Thuvienkhoahoc.com Mobile Insights

Thuvienkhoahoc.com Similar Audits

Thuvienkhoahoc.com Common Typos