Javascript.info The Modern JavaScript Tutorial

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented progr...

Javascript.info Overview

JavaScript.info is a website that provides modern JavaScript tutorials. The website adopts a simple, yet detailed approach in explaining various concepts in JavaScript programming to beginners and advanced learners alike. There are explanations, examples, and tasks to help readers gain a better understanding of the topics.

The website has a simple layout and is easy to navigate, making it user-friendly. The homepage provides a brief overview of what the website entails, and the menu bar at the top contains links to various sections of the website. The sections include Tutorials, Exercises, References, Quiz, and Handbook. The Tutorials section contains articles that cover various topics, such as closures, document and events, object-oriented programming, and more. The Exercises section contains a collection of practical exercises that help learners to put what they learn into practice. The References section contains a comprehensive guide to JavaScript and its features. The quiz section contains quizzes that help learners assess their knowledge of the topics, while the Handbook contains a list of commonly used objects, functions, and features in JavaScript.

The website is hosted by Cloudflare, Inc., a reputable US-based hosting company. The website has 14702 unique users and 29404 pageviews per day, indicating that the website is popular among JavaScript learners. The website has a site value of 516840 US dollars, which is a testament to its relevance and value to its users. Besides, the website is SSL certified by CloudFlare, Inc., meaning that the website is secure and safe for users to visit.

Regarding the web page's family-friendly status, the website has no adult content, explicit images, or offensive language, thus making it safe for use by all ages. However, some sections of the website contain technical terms and jargon, which may be difficult for younger children to understand.

According to the PageSpeed Insights scores, the website has a speed score of 74, indicating that there is room for improvement in terms of page load times. However, this score does not significantly impact the user experience.

In conclusion, JavaScript.info is a well-designed website that provides modern JavaScript tutorials to learners. The website is user-friendly and has a comprehensive approach to teaching various topics in JavaScript. It is a safe and secure website, with no offensive content, and it is accessible to all ages. The website has room for improvement regarding page speed, but this does not significantly affect user experience.

Javascript.info Rank Summary

Global Rank

23,271

Average Load Time

1.10sec

Links In Count

409

Website Value

$517,357

Audience Geography. Where are javascript.info visitors located?

Country	Visitors
United States US	24.3%
India IN	22.1%
Iran IR	8.7%
Japan JP	5.8%
Nigeria NG	3%
United Kingdom GB	2.7%
France FR	2%
Germany DE	1.8%
Poland PL	1.6%
Other	27.8%

Country	Pageviews
India IN	27.7%
United States US	19.3%
Iran IR	16.6%
Japan JP	3.6%
Nigeria NG	3.4%
Turkey TR	3%
France FR	1.7%
United Kingdom GB	1.7%
Canada CA	1.3%
Other	21.8%

Country	Rank
Nigeria NG	3415
Iran IR	4207
India IN	5229
Israel IL	8483
Denmark DK	9898
Austria AT	10240
Portugal PT	11035
Pakistan PK	11183
Turkey TR	11913
Switzerland CH	13768
United States US	14366
Viet Nam VN	14692

Where do visitors go on javascript.info?

Subdomain	Pageviews
javascript.info	100%

Subdomain	Pageviews per User
javascript.info	1.9

Subdomain	Reach
javascript.info	100%

How popular is javascript.info?

Period	Global Rank	Global Rank Delta
past 3 months	23271	-9039
past month	21421	-1192
past week	21002	427
yesterday	20067	-4430

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	32632	-10099	207	36%	2	-3.85%
30	30998	148	219	-0.78%	1.9	-9.859%
7	29672	-527	23	2%	2	5%
1	33080	11587	22	-37.09%	1.7	-61.573%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	21284	-9055	383	42%
30	19432	-1692	42	10%
7	19312	726	43	-2.65%
1	17573	-10635	49	60%

Javascript.info Website Safety

Overview

Last Updated: 09/20/2024

Overall result - javascript.info 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: 04/07/2024

javascript.info is safe.

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

Google Safe Search

Last Updated: 02/08/2019

javascript.info 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: 04/07/2023

javascript.info 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: 04/07/2023

javascript.info is safe.

McAfee assesses javascript.info 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 javascript.info for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

javascript.info child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	sni.cloudflaressl.com
Issuer Organization	CloudFlare, Inc.
Issuer	CloudFlare Inc ECC CA-2
Algorithm	ecdsa-with-SHA256
Valid form	11/15/2019
Expiration	10/09/2020
Signed	Certificate is not self signed
Additional Domains	*.javascript.info sni.cloudflaressl.com javascript.info

Javascript.info Rank History

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

Javascript.info Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 07/16/2024

#
# 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: 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.
#

Javascript.info Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: javascript.info
Registry Domain ID: dc62dd4a0a7e40df9302cc7bdfe491d2-DONUTS
Registrar WHOIS Server: http://whois.cloudflare.com
Registrar URL: http://cloudflare.com
Updated Date: 2024-08-27T04:03:06Z
Creation Date: 2001-09-21T03:49:14Z
Registry Expiry Date: 2025-09-21T03:49:14Z
Registrar: Cloudflare, Inc
Registrar IANA ID: 1910
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Kantor Ilya Aleksandrovich
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Moscow
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: RU
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: ines.ns.cloudflare.com
Name Server: damon.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-11T01:37:34Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
javascript.info	104.26.13.17	300
javascript.info	104.26.12.17	300
javascript.info	172.67.74.41	300

Host	MX Record	Priority	TTL
javascript.info	aspmx5.googlemail.com	10	300
javascript.info	aspmx.l.google.com	1	300
javascript.info	alt1.aspmx.l.google.com	5	300
javascript.info	alt2.aspmx.l.google.com	5	300
javascript.info	aspmx2.googlemail.com	10	300
javascript.info	aspmx3.googlemail.com	10	300
javascript.info	aspmx4.googlemail.com	10	300

Host	NS Record	TTL
javascript.info	damon.ns.cloudflare.com	86400
javascript.info	ines.ns.cloudflare.com	86400

Host	TXT Record	TTL
javascript.info	yandex-verification: 9ecaa357f86ab13e	300
javascript.info	google-site-verification=OPB5BvCtqM2C2mOORtOj07XW_sgzSq2aW7r63B5s6yY	300
javascript.info	v=spf1 include:amazonses.com include:_spf.google.com include:mail.zendesk.com ~all	300

damon.ns.cloudflare.com
TTL: 3600
Email address: dns.cloudflare.com
Serial: 2291267034
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 3600

Javascript.info HTML Check

HTML Validation Tool

Warnings

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Errors

The “itemprop” attribute was specified, but the element is not a property of any item.

Javascript.info Desktop Performance

Last tested: 12/09/2019

Desktop Speed

89%

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

Leverage browser caching

Reduce server response time

Desktop Resource Breakdown

Total Resources	24
Number of Hosts	5
Static Resources	13
JavaScript Resources	8
CSS Resources	3

Javascript.info Mobile Insights

Last tested: 12/09/2019

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

74%

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

Leverage browser caching

Reduce server response time

Mobile Resource Breakdown

Total Resources	23
Number of Hosts	4
Static Resources	13
JavaScript Resources	8
CSS Resources	3

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Javascript.info The Modern JavaScript Tutorial

Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented progr...

Javascript.info Overview

Javascript.info Rank Summary

Javascript.info Website Safety

Javascript.info Rank History

Javascript.info Hosting Information

Javascript.info Domain Registration and Settings

Javascript.info HTML Check

Javascript.info Desktop Performance

Javascript.info Mobile Insights

Javascript.info Similar Audits

Javascript.info Common Typos