Javalab.org 자바실험실 - 과학 시뮬레이션

Javalab.org Overview

Javalab.org ranking shows that the page is at position 462,573 over the world, while the bulk of its audience is from Korea, where it ranks 11,407.

Javalab.org hosted on AMAZON-02 - Amazon.com, Inc., US servers in United States. To reduce page loading time for the majority of javalab.org users, we recommend migrating the server to Korea, as it will speed up javalab.org page load time for the majority of users. See the list of other webpages hosted on AMAZON-02 - Amazon.com, Inc., US servers.

In terms of rank-to-traffic ratio, javalab.org has 710 unique users per day, viewing 1,579 pages. The rank based value of javalab.org is 18,941 USD. Every user makes 2.35 pageviews on average.

Javalab.org boasts a link base consisting of 264 referring domains and 291 external backlinks, as revealed by the data obtained from web network scanning.

Javalab.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in December 17, 2022, javalab.org has an expired SSL certificate issued by Let's Encrypt (expired on March 04, 2023). 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 and Symantec javalab.org is a fairly safe domain.

According the Mobile-Friendly test by Google javalab.org is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Javalab.org Rank Summary

Global Rank

462,573

Average Load Time

0.00sec

Links In Count

Website Value

$17,538

Audience Geography. Where are javalab.org visitors located?

Country	Visitors
Korea KR	77.3%
Other	22.7%

Country	Pageviews
Korea KR	87.5%
Other	12.5%

Country	Rank
Korea KR	11407

Where do visitors go on javalab.org?

Subdomain	Pageviews
javalab.org	100%

Subdomain	Pageviews per User
javalab.org	1.8

Subdomain	Reach
javalab.org	100%

How popular is javalab.org?

Period	Global Rank	Global Rank Delta
past 3 months	462573	-489806
past month	369958	-161784
past week	760066	371840
yesterday	491865	0

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	536011	-911245	6	310%	2.2	100%
30	484324	33224	7	-7.635%	1.8	-54.863%
7	1161515	736818	2	-75.664%	1	-60.938%
1	699663	0	4	0%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	460597	-328455	1	100%
30	349708	-262910	15	100%
7	614426	196360	8	-37.8%
1	389314	0	2	0%

Javalab.org Website Safety

Overview

Last Updated: 11/22/2024

Overall result - javalab.org 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: 12/17/2023

javalab.org is safe.

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

Google Safe Search

Last Updated: 11/04/2017

javalab.org 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: 12/17/2022

javalab.org 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: 12/17/2022

javalab.org is safe.

McAfee assesses javalab.org 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 javalab.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/22/2024

javalab.org child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	javalab.org
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	12/04/2022
Expiration	03/04/2023
Signed	Certificate is not self signed
Additional Domains	javalab.org mully.net sci-sim.net www.javalab.org www.mully.net www.sci-sim.net

Javalab.org Rank History

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

Javalab.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 16509

ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 06/15/2024

#
# 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: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-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.
#

Javalab.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: javalab.org
Registry Domain ID: 74145f3ee21047f99cc3d2572a89fead-LROR
Registrar WHOIS Server: http://whois.gabia.com
Registrar URL: http://www.gabia.com
Updated Date: 2023-02-03T13:59:08Z
Creation Date: 2015-08-15T00:38:52Z
Registry Expiry Date: 2024-08-15T00:38:52Z
Registrar: Gabia, Inc.
Registrar IANA ID: 244
Registrar Abuse Contact Email: abuse@gabia.com
Registrar Abuse Contact Phone: +82.28293543
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization:
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province:
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: KR
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns-1374.awsdns-43.org
Name Server: ns-1619.awsdns-10.co.uk
Name Server: ns-490.awsdns-61.com
Name Server: ns-818.awsdns-38.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2023-12-11T17:36:41Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
javalab.org	3.39.183.59	60

Host	MX Record	Priority	TTL

Host	NS Record	TTL
javalab.org	ns-1374.awsdns-43.org	172800
javalab.org	ns-1619.awsdns-10.co.uk	172800
javalab.org	ns-490.awsdns-61.com	172800
javalab.org	ns-818.awsdns-38.net	172800

Host	TXT Record	TTL

ns-818.awsdns-38.net
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Javalab.org HTML Check

HTML Validation Tool

Errors

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

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

Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.

Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.

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

Warnings

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

Javalab.org Desktop Performance

Last tested: 03/30/2019

Desktop Speed

58%

Enable compression

Optimize images

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

Leverage browser caching

Prioritize visible content

Minify CSS

Minify JavaScript

Reduce server response time

Desktop Resource Breakdown

Total Resources	89
Number of Hosts	19
Static Resources	48
JavaScript Resources	44
CSS Resources	11

Javalab.org Mobile Insights

Last tested: 03/30/2019

Mobile Usability

97%

Size tap targets appropriately

Mobile Speed

56%

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

Enable compression

Leverage browser caching

Optimize images

Minify CSS

Minify JavaScript

Reduce server response time

Mobile Resource Breakdown

Total Resources	78
Number of Hosts	17
Static Resources	41
JavaScript Resources	38
CSS Resources	11

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Javalab.org 자바실험실 - 과학 시뮬레이션

Javalab.org Overview

Javalab.org Rank Summary

Javalab.org Website Safety

Javalab.org Rank History

Javalab.org Hosting Information

Javalab.org Domain Registration and Settings

Javalab.org HTML Check

Javalab.org Desktop Performance

Javalab.org Mobile Insights

Javalab.org Similar Audits

Javalab.org Common Typos