Khoahoc.tv KhoaHoc.tv: Khoa học - Công nghệ - Tri Thức - Khám phá

Khoahoc.tv Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 1.20 sec.

Last Checked: 04/25/2024

Khoahoc.tv traffic estimate is about 4,447 unique visitors and 13,697 pageviews per day. The approximated value of khoahoc.tv is 236,520 USD. Every unique visitor makes about 3.08 pageviews on average.

Alexa Traffic Rank estimates that khoahoc.tv is ranked number 212,385 in the world, while most of its traffic comes from Viet Nam, where it occupies as high as 382 place.

Khoahoc.tv is registered under .TV top-level domain. Check other websites in .TV zone.

During the last check (November 27, 2019) khoahoc.tv has an expired SSL certificate issued by Let's Encrypt (expired on February 21, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust khoahoc.tv is pretty a safe domain.

Relying on Google Mobile-Friendly test khoahoc.tv is well optimized for mobile and tablet devices.

Khoahoc.tv General Information

Khoahoc.tv Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors
Viet Nam VN	81.8%
Japan JP	8.8%
United Kingdom GB	3.2%
Canada CA	2.6%
United States US	1.3%
Australia AU	0.7%
Other	1.5%

Country	Rank
Viet Nam VN	382
Canada CA	26657
United Kingdom GB	35397
Japan JP	35684
Australia AU	56618
United States US	412896

Khoahoc.tv Traffic Distribution

Where do visitors go on khoahoc.tv?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
khoahoc.tv	99.81%
img.khoahoc.tv	0.19%

Subdomain	Views per User
khoahoc.tv	2.7
img.khoahoc.tv	1

Subdomain	Reach
khoahoc.tv	99.67%
img.khoahoc.tv	0.53%

Khoahoc.tv Popularity

How popular is khoahoc.tv?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	49023	-4228
past month	48749	55
past week	52382	8082
yesterday	46615	-8202

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	51526	-4243	121	10%	3.08	2%
30	55020	7120	112	-14.43%	2.7	-20.47%
7	58946	8317	11	-16.35%	2.8	1%
1	55614	-11519	12	20%	2.8	5%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	51155	-4385	146	8%
30	49272	-3037	15	8%
7	53334	8461	14	-17.69%
1	47830	-8931	16	20%

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Khoahoc.tv Safety Information

Rankchart Summary

Safe

Updated: 04/25/2024

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: 03/21/2024

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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: 10/15/2016

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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: 01/09/2019

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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: 02/22/2021

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

Khoahoc.tv SSL Information

Information about SSL/TLS certificates

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Domain	khoahoc.tv
Issuer Organization	Let's Encrypt
Issuer	Let's Encrypt Authority X3
Algorithm	RSA-SHA256
Valid form	11/23/2019
Expiration	02/21/2020
Signed	Certificate is not self signed
Additional Domains	khoahoc.tv

SSL Checker

Khoahoc.tv Server Information

Khoahoc.tv Server Location

Where website hosting server is located?

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Khoahoc.tv ASN Information

Information about IP address owner

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ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Updated: 10/03/2023

Raw ASN data:

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Geolocation

ASN Lookup

Khoahoc.tv Domain Name Information

Khoahoc.tv DNS Information

Domain name service records

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A

Host	A Record	TTL

Khoahoc.tv Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Khoahoc.tv HTML Validation

Khoahoc.tv W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

CSS: “transition”: “0” is not a “transition” value.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Warnings:

Text run is not in Unicode Normalization Form C.

The value of attribute “alt” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

HTML Validator

Khoahoc.tv Desktop Performance

How Well Khoahoc.tv Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

87%

Optimize images

Leverage browser caching

Enable compression

Minify JavaScript

Updated: 12/12/2019

Khoahoc.tv Mobile Performance

How Optimized Is Khoahoc.tv for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 12/11/2019

Khoahoc.tv Nearest Competitors

Estimated Nearest Competitors Of Khoahoc.tv

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khoahoc.tv
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r***************e.com
tuyengiao.vn
honda.com.vn
toadandco.com
naea.edu.cn
sita.sk
jmc.or.jp
cultuurparticipatie.nl

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Total Resources	184
Number of Hosts	33
Static Resources	94
JavaScript Resources	20
CSS Resources	1

CSS	31.9 KBytes
Images	888.1 KBytes
HTML	478.7 KBytes
JavaScript	1.5 MBytes
Other	37.1 KBytes

Total Resources	237
Number of Hosts	37
Static Resources	115
JavaScript Resources	28
CSS Resources	6

CSS	65.4 KBytes
Images	968.1 KBytes
HTML	723.9 KBytes
JavaScript	1.9 MBytes
Other	168.3 KBytes