Hoc24.vn Cộng đồng học tập - Trao đổi bài tập - Học trực tuyến - Hoc24

HOC24.VN cung cấp ngân hàng các câu hỏi và đề thi các môn Toán, Vật lý, Hóa học, Sinh học, Tiếng Anh, Lịch sử, Địa Lý, GDCD cùng với hệ thống hỏi đáp ...

Hoc24.vn Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 2.89 sec.

Last Checked: 11/02/2024

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Hoc24.vn traffic estimate is about 1,448 unique visitors and 2,896 pageviews per day. The approximated value of hoc24.vn is 2,160 USD. Every unique visitor makes about 2 pageviews on average.

hoc24.vn is hosted by FPT-AS-AP The Corporation for Financing & Promoting Technology, VN. See the list of other websites hosted by FPT-AS-AP The Corporation for Financing & Promoting Technology, VN.

Hoc24.vn is registered under .VN top-level domain. Check other websites in .VN zone.

During the last check (October 13, 2024) hoc24.vn has a valid and up-to-date SSL certificate issued by Sectigo Limited that expires on December 20, 2024, please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing, Google Safe Search and Symantec hoc24.vn is pretty a safe domain.

Relying on Google Mobile-Friendly test hoc24.vn is well optimized for mobile and tablet devices, however website page loading time may be improved.

Hoc24.vn General Information

Information not available

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Hoc24.vn Safety Information

Rankchart Summary

Safe

Updated: 11/02/2024

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: 03/24/2024

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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: 11/20/2019

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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: 03/05/2021

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McAfee assesses hoc24.vn 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 hoc24.vn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 11/02/2024

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The WOT calculates reputation of the hoc24.vn. This reputation system receives ratings from users and information from third-party sources, assesses the hoc24.vn for safety features and confirms, whether hoc24.vn is suitable for children.

Hoc24.vn SSL Information

Information about SSL/TLS certificates

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Domain	hoc24.vn
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	11/20/2023
Expiration	12/20/2024
Signed	Certificate is not self signed
Additional Domains	hoc24.vn www.hoc24.vn

SSL Checker

Hoc24.vn Server Information

Hoc24.vn Server Location

Where website hosting server is located?

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Hoc24.vn ASN Information

Information about IP address owner

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ASN ID: 18403

ASN Title: FPT-AS-AP The Corporation for Financing & Promoting Technology, VN

Updated: 03/06/2024

Raw ASN data:

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

% Information related to 'AS17408 - AS18409'

as-block: AS17408 - AS18409
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: 2008-09-04T06:40:26Z
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 'AS17653 - AS18431'

as-block: AS17653 - AS18431
descr: APNIC ASN block
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-APNIC-AP
last-modified: 2016-09-30T02:07:37Z
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 'AS18403'

% Abuse contact for 'AS18403' is 'hm-changed@vnnic.vn'

aut-num: AS18403
as-name: FPT-AS-AP
descr: The Corporation for Financing & Promoting Technology
descr: 2nd floor â FPT Building, Pham Hung Road, Cau Giay District, Hanoi
country: VN
import: from AS4637 action pref=10; accept any
import: from AS7643 action pref=10; accept any
export: to AS4637 announce AS18403
export: to AS7643 announce AS18403
remarks: mail to: abuse@fpt.vn
admin-c: TTH19-AP
tech-c: NOC21-AP
notify: abuse@fpt.vn
mnt-by: MAINT-VN-VNNIC
mnt-routes: MAINT-VN-FPT
mnt-irt: IRT-VNNIC-AP
last-modified: 2012-08-31T06:58:26Z
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: Network Operation Center
nic-hdl: NOC21-AP
e-mail: ftel.noc.net@fpt.com.vn
address: FPT Telecom
phone: +84-28-73093388
fax-no: +84-28-73008889
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-13T06:48:10Z
source: APNIC

person: Tran Thanh Hai
nic-hdl: TTH19-AP
e-mail: haitt3@fpt.com.vn
address: FPT Telecom
phone: +84-90-4211450
fax-no: +84-24-37262163
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-13T04:26:47Z
source: APNIC

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

Geolocation

ASN Lookup

Hoc24.vn Domain Name Information

Hoc24.vn DNS Information

Domain name service records

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A
MX
NS
TXT
SOA

Host	A Record	TTL
hoc24.vn	103.35.64.12	360

Host	MX Record	Priority	TTL
hoc24.vn	mx.yandex.net	10	360

Host	NS Record	TTL
hoc24.vn	ns2.inet.vn	360
hoc24.vn	ns1.inet.vn	360

Host	TXT Record	TTL
hoc24.vn	v=spf1 redirect=_spf.yandex.net	360

Hoc24.vn Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Hoc24.vn HTML Validation

Hoc24.vn W3C HTML Markup Validation

HTML markup errors and warnings

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Warnings:

The “navigation” role is unnecessary for element “nav”.

The “form” role is unnecessary for element “form”.

The first occurrence of ID “username_login” was here.

The first occurrence of ID “login-submit” was here.

The first occurrence of ID “menu_login” was here.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Text run is not in Unicode Normalization Form C.

Errors:

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

Duplicate attribute “class”.

The element “label” must not appear as a descendant of the “a” element.

The element “input” must not appear as a descendant of the “a” element.

Duplicate ID “username_login”.

Duplicate ID “login-submit”.

Duplicate ID “menu_login”.

The “center” element is obsolete. Use CSS instead.

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

Attribute “height” not allowed on element “g” at this point.

Attribute “width” not allowed on element “g” at this point.

Attribute “x” not allowed on element “g” at this point.

Attribute “y” not allowed on element “g” at this point.

Bad value “undefined” for attribute “stroke-linecap” on element “line”.

Bad value “undefined” for attribute “stroke-linejoin” on element “line”.

Start tag “a” seen but an element of the same type was already open.

End tag “a” violates nesting rules.

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

HTML Validator

Hoc24.vn Desktop Performance

How Well Hoc24.vn Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

44%

Enable compression

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Leverage browser caching

Minify JavaScript

Minify CSS

Updated: 08/22/2018

Hoc24.vn Mobile Performance

How Optimized Is Hoc24.vn 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: 08/22/2018

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Hoc24.vn URL Typos

Most common user URL mistypes for hoc24.vn

www.hoc24.com
www.hoc24.net
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Total Resources	160
Number of Hosts	32
Static Resources	120
JavaScript Resources	58
CSS Resources	8

Text	5.3 KBytes
CSS	333.5 KBytes
Images	436.6 KBytes
HTML	857.4 KBytes
JavaScript	3.2 MBytes
Other	23.6 KBytes

Total Resources	241
Number of Hosts	59
Static Resources	138
JavaScript Resources	70
CSS Resources	11

CSS	347.9 KBytes
Images	599.5 KBytes
HTML	1.0 MBytes
JavaScript	2.8 MBytes
Other	50.9 KBytes