alc.co.jp - 英語学習・TOEIC対策・英辞郎 on the WEB

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 10/07/2023

Over the time alc.co.jp has been ranked as high as 20,453 in the world, while most of its traffic comes from Japan, where it reached as high as 170 position.

Alc.co.jp receives about 150,475 unique visitors and 270,855 pageviews per day. The estimated value of alc.co.jp is 3,560,940 USD. Each unique visitor makes about 1.8 pageviews on average.

Alc.co.jp is registered under .JP top-level domain. Check other websites in .JP zone.

At the time of the last check (November 28, 2019) alc.co.jp has an expired wildcard SSL certificate issued by GlobalSign nv-sa (expired on October 20, 2020). Check other websites using SSL certificates issued by GlobalSign nv-sa.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust alc.co.jp is quite a safe domain.

Mobile-Friendly test indicates that alc.co.jp is well optimized for mobile and tablet devices, however website page loading time could be improved.

Alc.co.jp General Information

Global Rank

2,548

Average Load Time

1.16sec

Links In Count

1,944

Website Value

$3.6 M

Audience Geography. Where are alc.co.jp visitors located?

Country	Rank
Japan JP	170
South Africa ZA	1608
United States US	17479

Country	Percent of Pageviews
Japan JP	94.2%
United States US	2.9%
South Africa ZA	1.9%
Other	1.1%

Country	Percent of Visitors
Japan JP	94.5%
United States US	3%
South Africa ZA	1%
Other	1.5%

Where do visitors go on alc.co.jp?

Subdomain	Pageviews
eow.alc.co.jp	40.27%
alc.co.jp	25.18%
eowp.alc.co.jp	15.89%
eowf.alc.co.jp	5.78%
nihongo-student.alc.co.jp	4.28%
eikaiwa-instructor.alc.co.jp	1.89%
ej.alc.co.jp	1.69%
ec.alc.co.jp	1.45%
nihongo.alc.co.jp	0.9%
other	2.69%

Subdomain	Pageviews per User
nihongo-student.alc.co.jp	7
eikaiwa-instructor.alc.co.jp	3.5
eowp.alc.co.jp	2.1
ec.alc.co.jp	2
eowf.alc.co.jp	2
alc.co.jp	1.9
eow.alc.co.jp	1.1
nihongo.alc.co.jp	1
ej.alc.co.jp	1

Subdomain	Reach
eow.alc.co.jp	70.09%
alc.co.jp	24.58%
eowp.alc.co.jp	13.57%
eowf.alc.co.jp	5.3%
ej.alc.co.jp	2.65%
ec.alc.co.jp	1.23%
nihongo.alc.co.jp	1.16%
nihongo-student.alc.co.jp	1.16%
eikaiwa-instructor.alc.co.jp	0.99%

How popular is alc.co.jp?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	2185	125	275	-3.97%
30	2059	-273	290	10%
7	1986	192	300	-9.134%
1	1955	44	320	-1.36%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	4592	393	123	-4.978%	1.8	-1.11%
30	4386	-596	13	20%	1.8	2%
7	4867	762	12	-12.3%	1.7	-3.49%
1	4960	-1535	13	20%	1.7	30%

Period	Global Rank	Global Rank Delta
past 3 months	2548	143
past month	2397	-296
past week	2391	243
yesterday	2322	-195

Alc.co.jp Alexa Rank History

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

Alc.co.jp Safety Information

Overview

Last Updated: 04/25/2024

Overall result - "alc.co.jp" 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: 02/01/2024

alc.co.jp is safe.

Norton ConnectSafe evaluates alc.co.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/10/2016

alc.co.jp 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: 08/11/2020

Malware not found at "alc.co.jp".
"alc.co.jp" is not a phishing page.
"alc.co.jp" does not install unwanted software.
"alc.co.jp" does not contain harmfull applications.
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: 02/22/2021

alc.co.jp is safe.

McAfee assesses alc.co.jp 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 alc.co.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

alc.co.jp child safety isvery good.

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

SSL Information

SSL Checker Tool

Domain	*.alc.co.jp
Issuer Organization	GlobalSign nv-sa
Issuer	GlobalSign RSA OV SSL CA 2018
Algorithm	RSA-SHA256
Valid form	08/16/2019
Expiration	10/20/2020
Signed	Certificate is not self signed
Additional Domains	*.alc.co.jp alc.co.jp

Alc.co.jp Server Information

Server Location

Geolocation Tool

Tokyo

Japan

ASN Information

ASN Lookup Tool

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 09/25/2023

ASN Whois

#
# 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.
#

Alc.co.jp Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]

Domain Information: [ドメイン情報]
a. [ドメイン名] ALC.CO.JP
e. [そしきめい] かぶしきがいしゃあるく
f. [組織名] 株式会社アルク
g. [Organization] ALC PRESS INC.
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] TK66678JP
n. [技術連絡担当者] TK66678JP
p. [ネームサーバ] ns-1226.awsdns-25.org
p. [ネームサーバ] ns-667.awsdns-19.net
p. [ネームサーバ] ns-1649.awsdns-14.co.uk
p. [ネームサーバ] ns-311.awsdns-38.com
s. [署名鍵]
[状態] Connected (2021/06/30)
[登録年月日] 1995/06/05
[接続年月日] 1995/07/24
[最終更新] 2020/08/06 09:58:36 (JST)

DNS Records

DNS Lookup Tool

Host	A Record	TTL
alc.co.jp	165.100.234.44	600

Host	MX Record	Priority	TTL
alc.co.jp	ALT3.ASPMX.L.GOOGLE.COM	30	3600
alc.co.jp	ASPMX.L.GOOGLE.COM	10	3600
alc.co.jp	ALT1.ASPMX.L.GOOGLE.COM	20	3600
alc.co.jp	ALT2.ASPMX.L.GOOGLE.COM	20	3600
alc.co.jp	ALT4.ASPMX.L.GOOGLE.COM	30	3600

Host	NS Record	TTL
alc.co.jp	viola.scsc3.net	600
alc.co.jp	ns3.scnet.ne.jp	600

Host	TXT Record	TTL
alc.co.jp	_globalsign-domain-verification=rawm9IbP52XIEqjdm6IlWa-wKVA4sD_xfvCIzLy0Mo	3600
alc.co.jp	google-site-verification=-_nYH7RHkN6ulWs-QEs_t4-s_qMcHE61fyJ1Xw5Jjis	3600
alc.co.jp	v=spf1	3600
alc.co.jp	MS=ms59047996	3600

ns3.scnet.ne.jp
TTL: 600
Email address: hostmaster.scnet.ne.jp
Serial: 2019073010
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600

Alc.co.jp HTML Validation

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Bad value “http://www.w3.org/TR/xhtml1” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).

Attribute “xmlns:og” not allowed here.

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.

Bad value “” for attribute “action” on element “form”: Must be non-empty.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

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

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

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

Attribute “alt” not allowed on element “input” at this point.

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

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

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

No space between attributes.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Attribute “"” not allowed on element “a” at this point.

The “align” attribute on the “div” element is obsolete. Use CSS instead.

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

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

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

Duplicate ID “div-gpt-ad-1529904911933-0”.

Warnings

Attribute “xmlns” is not serializable as XML 1.0.

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

The “type” attribute is unnecessary for JavaScript resources.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The “charset” attribute on the “script” element is obsolete.

Attribute “"” is not serializable as XML 1.0.

The first occurrence of ID “div-gpt-ad-1529904911933-0” was here.

Alc.co.jp Desktop Insights

Desktop Page Insights Tool

Last tested: 07/10/2017

Desktop

Desktop Speed

24%

Optimize images

Enable compression

Leverage browser caching

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

Minify CSS

Minify HTML

Minify JavaScript

Desktop Resource Breakdown

Total Resources	245
Number of Hosts	61
Static Resources	108
JavaScript Resources	72
CSS Resources	16

Alc.co.jp Mobile Insights

Mobile Page Insights Tool

Last tested: 05/21/2017

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

25%

Optimize images

Leverage browser caching

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

Enable compression

Minify JavaScript

Minify HTML

Minify CSS

Mobile Resource Breakdown

Total Resources	235
Number of Hosts	60
Static Resources	161
JavaScript Resources	64
CSS Resources	11

Alc.co.jp Typos

www.alc.com
www.alc.net
www.alc.org
www.alc.info
www.alc.biz
www.alc.us
www.alc.mobi
www.lc.co.jp
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www.qlc.co.jp
www.aqlc.co.jp
www.qalc.co.jp
www.wlc.co.jp
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www.walc.co.jp
www.slc.co.jp
www.aslc.co.jp
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www.zlc.co.jp
www.azlc.co.jp
www.zalc.co.jp
www.ac.co.jp
www.apc.co.jp
www.alpc.co.jp
www.aplc.co.jp
www.aoc.co.jp
www.aloc.co.jp
www.aolc.co.jp
www.akc.co.jp
www.alkc.co.jp
www.aklc.co.jp
www.al.co.jp
www.alx.co.jp
www.alcx.co.jp
www.alxc.co.jp
www.ald.co.jp
www.alcd.co.jp
www.aldc.co.jp
www.alf.co.jp
www.alcf.co.jp
www.alfc.co.jp
www.alv.co.jp
www.alcv.co.jp
www.alvc.co.jp

Alc.co.jp 英語学習・TOEIC対策・英辞郎 on the WEB | アルク

Quick Summary

Alc.co.jp General Information

Alc.co.jp Alexa Rank History

Alc.co.jp Safety Information

Alc.co.jp Server Information

Alc.co.jp Domain Name Information

Alc.co.jp HTML Validation

Alc.co.jp Desktop Insights

Alc.co.jp Mobile Insights

Alc.co.jp Nearest Competitors

Alc.co.jp Typos