Teratail.com teratail【テラテイル】|ITエンジニア特化型Q&Aサイト

teratail(テラテイル)はプログラミングに特化したQ&Aサイトです。実現したい機能や作業中に発生したエラーについて質問すると、他のエンジニアから回答を得られます。


Teratail.com Overview

Teratail.com is a Japanese Q&A website focused on programming, where developers can ask questions about a specific functionality or problem they are encountering while working on a project, and receive answers from other programmers. The website has a clean and minimalist design that makes it easy for users to navigate and search for content. With 42 out of 100 in the PageSpeed Insights score, it takes a bit longer than expected to load the website, but we can attribute some of this slowness to the sheer number of users and pageviews it receives every day.

The website is family-friendly. It does not contain any adult content or offensive materials, and users are expected to abide by the community guidelines when asking or answering questions. Teratail.com employs a strict moderation system to ensure that its content remains relevant and helpful to its users and that any malicious or spammy content is removed promptly.

On average, the website receives 42,506 unique users per day, and its total pageviews are around 83,736.82. These numbers highlight the popularity of teratail.com, demonstrating that it is a vital part of the developer community in Japan. The website's value is calculated at around 1,103,760 US dollars. It's a significant indication of the website's importance in the world of IT.

Amazon.com, Inc hosts the website, which ensures that it is secure and reliable. Teratail.com has an SSL certificate issued by DigiCert Inc., ensuring that user data and information are safe and protected.

In conclusion, teratail.com is a well-organized and highly reputable Q&A website for developers in Japan. It offers a platform where programmers can quickly obtain solutions to their problems related to programming and development. While there is still room for improvement in terms of website speed, overall, the site provides an excellent user experience and is a valuable resource for anyone in the IT industry in Japan.


Teratail.com Rank Summary

Global Rank
8,199
Average Load Time
1.72sec
Links In Count
48
Website Value
$1.1 M

Teratail.com Website Safety

logo
Overview
Last Updated: 11/22/2024
Overall result - teratail.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
teratail.com is safe.
Norton ConnectSafe evaluates teratail.com for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 02/13/2019
teratail.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
teratail.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
teratail.com is safe.
McAfee assesses teratail.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 teratail.com for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 11/22/2024
teratail.com child safety is unknown.
The WOT calculates reputation of the teratail.com. This reputation system receives ratings from users and information from third-party sources, assesses the teratail.com for safety features and confirms, whether teratail.com is suitable for children.

SSL Information
Domainteratail.com
Issuer OrganizationAmazon
IssuerAmazon RSA 2048 M02
AlgorithmRSA-SHA256
Valid form11/23/2023
Expiration12/22/2024
SignedCertificate is not self signed
Additional Domains teratail.com

Teratail.com Rank History

Teratail.com Hosting Information

Server Location

ASN Information

ASN ID: 16509

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

Last Update: 07/19/2024

#
# 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.
#

Teratail.com Domain Registration and Settings

WHOIS

Domain Name: TERATAIL.COM
Registry Domain ID: 1830422028_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.jprs.jp
Registrar URL: http://jprs.jp/registrar/
Updated Date: 2024-08-27T18:15:03Z
Creation Date: 2013-10-09T01:13:12Z
Registry Expiry Date: 2025-10-09T01:13:12Z
Registrar: Japan Registry Services Co., Ltd.
Registrar IANA ID: 1485
Registrar Abuse Contact Email: gtld-abuse@jprs.jp
Registrar Abuse Contact Phone: +81.352158457
Domain Status: ok https://icann.org/epp#ok
Name Server: NS-1043.AWSDNS-02.ORG
Name Server: NS-1877.AWSDNS-42.CO.UK
Name Server: NS-7.AWSDNS-00.COM
Name Server: NS-872.AWSDNS-45.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-20T18:03:39Z


DNS Records
HostA RecordTTL
teratail.com57.180.210.21560
teratail.com35.76.160.10560
teratail.com54.250.132.1160
HostMX RecordPriorityTTL
teratail.comaspmx.l.google.com1300
teratail.comalt3.aspmx.l.google.com10300
teratail.comalt4.aspmx.l.google.com10300
teratail.comalt1.aspmx.l.google.com5300
teratail.comalt2.aspmx.l.google.com5300
HostNS RecordTTL
teratail.comns-1043.awsdns-02.org172800
teratail.comns-1877.awsdns-42.co.uk172800
teratail.comns-7.awsdns-00.com172800
teratail.comns-872.awsdns-45.net172800
HostTXT RecordTTL
teratail.comgoogle-site-verification=AmSo_GrO03xJgOb3j93G44EfBiKKBbaWmagZiLG9kBE300
teratail.comgoogle-site-verification=nK3X1Y3yJN5Esj_bh4Jz-dE7sIU53orkzXLaPDaUr7Q300

ns-872.awsdns-45.net
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Teratail.com HTML Check


Errors
Warnings

Teratail.com Desktop Performance

Last tested: 11/07/2016

Speedometer image
Desktop Speed
54%

Desktop Resource Breakdown
Total Resources154
Number of Hosts40
Static Resources74
JavaScript Resources29
CSS Resources3

Teratail.com Mobile Insights

Last tested: 11/07/2016

Speedometer image
Mobile Usability
99%
Speedometer image
Mobile Speed
42%

Mobile Resource Breakdown
Total Resources123
Number of Hosts36
Static Resources39
JavaScript Resources25
CSS Resources8

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