Dotinstall.com ドットインストール - 3分動画でマスターできるプログラミング学習サービス

3分動画で初心者や独学の方でも無理なく勉強が続くプログラミング学習サービスです。Web制作の基礎から子供向けのゲーム制作レッスン、さらにシステム開発に使われるPHP、Ruby、Pythonなどの入門レッスンまで幅広く言語を体験できます。


Dotinstall.com Overview

Title: DotInstall.com - Master Beginner-Friendly Programming Skills in 3-Minute Videos

Description: DotInstall.com is a beginner-friendly programming learning site that allows you to master programming skills through 3-minute videos. You can learn HTML, CSS, JavaScript, PHP, Ruby, as well as how to create iPhone and Android apps. With a wide range of videos, even beginners can easily acquire skills without difficulty.

DotInstall.com is a structural and informative website that caters to beginners looking to learn programming. The site provides a variety of programming courses in a concise and easily understandable format. With its 3-minute videos, users can quickly grasp the concepts and techniques of programming languages.

The site offers courses on HTML, CSS, JavaScript, PHP, Ruby, and app development for both iPhone and Android. This wide range of topics allows users to explore different programming languages and choose the ones they are most interested in. By providing step-by-step tutorials and examples, DotInstall.com ensures that beginners can learn at their own pace and gradually build their skills.

DotInstall.com has a user-friendly interface, making it accessible and easy to navigate for beginners. The site boasts a daily user count of 2,738, indicating its popularity among programming enthusiasts. Additionally, it receives an average of 20,261.2 pageviews per day, highlighting the site's engagement and informative content.

The website is hosted by SAKURA-B SAKURA Internet Inc. in Japan, ensuring reliable and efficient hosting services. DotInstall.com has a top-level domain (.COM), which enhances its global presence and accessibility. It is also secured with an SSL certificate issued by DigiCert Inc, ensuring a secure browsing experience for users.

As for its family-friendliness, based on the provided information, it is difficult to determine. However, given that the site is focused on beginner-friendly programming education and emphasizes a learning environment suitable for all skill levels, it is likely that it maintains a family-friendly atmosphere.

According to PageSpeed Insights, DotInstall.com scores 70 for Speed, indicating decent website performance. This means that the site operates with reasonable speed and provides users with a smooth browsing experience.

Furthermore, with 2,608 external backlinks and 998 referring domains, it is evident that DotInstall.com is well recognized and respected within the programming community. These backlinks and referring domains contribute to the site's reputation and authority within the industry.

Overall, DotInstall.com is a comprehensive and well-


Dotinstall.com Rank Summary

Global Rank
31,158
Average Load Time
1.09sec
Links In Count
982
Website Value
$359,160

Dotinstall.com Website Safety

logo
Overview
Last Updated: 11/23/2024
Overall result - dotinstall.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 logo
Norton Connect Safe
Last Updated: 03/21/2024
dotinstall.com is safe.
Norton ConnectSafe evaluates dotinstall.com for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 10/12/2016
dotinstall.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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
dotinstall.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.
McAfee logo
Site Advisor
Last Updated: 02/22/2021
dotinstall.com is safe.
McAfee assesses dotinstall.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 dotinstall.com for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/09/2019
dotinstall.com child safety is very good.
The WOT calculates reputation of the dotinstall.com. This reputation system receives ratings from users and information from third-party sources, assesses the dotinstall.com for safety features and confirms, whether dotinstall.com is suitable for children.

SSL Information
Domaindotinstall.com
Issuer OrganizationLet's Encrypt
IssuerR11
AlgorithmRSA-SHA256
Valid form08/29/2024
Expiration11/27/2024
SignedCertificate is not self signed
Additional Domains dotinstall.com

Dotinstall.com Rank History

Dotinstall.com Hosting Information

Server Location

ASN Information

ASN ID: 9370

ASN Title: SAKURA-B SAKURA Internet Inc., JP

Last Update: 07/18/2024

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

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
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tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-05-19T07:00:23Z
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 'AS9349 - AS9380'

as-block: AS9349 - AS9380
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
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remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
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mnt-by: APNIC-HM
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last-modified: 2017-06-12T03:54:30Z
source: APNIC

role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC

% Information related to 'AS9370'

aut-num: AS9370
as-name: SAKURA-B
descr: SAKURA Internet Inc.
import: from AS7514 100 accept ANY
import: from AS4694 100 accept ANY
import: from AS9603 100 accept ANY
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export: to AS9371 announce AS9370
country: JP
admin-c: KT749JP
tech-c: KT749JP
tech-c: KW419JP
last-modified: 2007-05-23T21:20:05Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

Dotinstall.com Domain Registration and Settings

WHOIS

Domain Name: DOTINSTALL.COM
Registry Domain ID: 1674682456_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.discount-domain.com
Registrar URL: http://gmo.jp
Updated Date: 2024-08-01T23:08:10Z
Creation Date: 2011-08-31T09:04:04Z
Registry Expiry Date: 2025-08-31T09:04:04Z
Registrar: GMO Internet Group, Inc. d/b/a Onamae.com
Registrar IANA ID: 49
Registrar Abuse Contact Email: abuse@gmo.jp
Registrar Abuse Contact Phone: +81.337709199
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.DNS.NE.JP
Name Server: NS2.DNS.NE.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-12T02:39:28Z


DNS Records
HostA RecordTTL
dotinstall.com153.120.78.823600
HostMX RecordPriorityTTL
dotinstall.comaspmx.l.google.com103600
dotinstall.comalt1.aspmx.l.google.com203600
dotinstall.comalt2.aspmx.l.google.com203600
dotinstall.comaspmx2.googlemail.com303600
dotinstall.comaspmx3.googlemail.com303600
HostNS RecordTTL
dotinstall.comns1.dns.ne.jp3600
dotinstall.comns2.dns.ne.jp3600
HostTXT RecordTTL
dotinstall.comv=spf1 ip4:153.120.78.82 include:aspmx.googlemail.com include:amazonses.com ~all3600

master.dns.ne.jp
TTL: 3600
Email address: tech.sakura.ad.jp
Serial: 2019072500
Refresh: 3600
Retry: 900
Expire: 3600000
Minimum: 3600

Dotinstall.com HTML Check


Errors
Warnings

Dotinstall.com Desktop Performance

Last tested: 09/03/2016

Speedometer image
Desktop Speed
63%

Desktop Resource Breakdown
Total Resources110
Number of Hosts17
Static Resources89
JavaScript Resources26
CSS Resources7

Dotinstall.com Mobile Insights

Last tested: 12/10/2019

Speedometer image
Mobile Usability
100%
Speedometer image
Mobile Speed
70%

Mobile Resource Breakdown
Total Resources28
Number of Hosts6
Static Resources13
JavaScript Resources9
CSS Resources7

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