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tac-school.co.jp

tac-school.co.jp had about 2.38M visits in September 2026, down 16.51% from August; the top source is search.

資格試験・資格取得の情報サイト｜資格の学校TAC[タック]

Traffic

2.38M

-16.51%MoMEstimated monthly visits
7893.8M2.53M1.27M0
Global rank

22,086

Country rank · Japan

1,453

Category rank · Business Training

1

Average visit duration

04:13

Pages per visit

4.41

Bounce rate

47.03%

Domain age

31 years

Search share

43.1%

Traffic sources

  • Search
    43.1%
  • Direct
    37.4%
  • Referrals
    5.5%
  • Display ads
    4.2%
  • Paid search
    3.8%
  • Social
    3.7%
  • Email
    1.5%
  • Generative AI
    0.7%
  • Other
    0.1%

Regions

  • Japan
    99.5%
  • United States
    0.3%
  • United Kingdom
    0.1%
  • South Korea
    0.0%
  • Thailand
    0.0%

See how tac-school.co.jp compares with the most visited websites in the world, the fastest growing websites and sites gaining organic search traffic.

Search visibility

Keyword samples

Estimated visitsMonthly searchesVisits ÷ searches
  1. tacBRAND33.31K61.8K54%
  2. tac web school30.91K2.19K1411%
  3. tac出版22.34K8.56K261%
  4. tac webschool ログイン10.17K—
  5. tac出版 書籍連動ダウンロードサービス6.37K1063700%

Keyword rankings

Keyword rankings

Example · google.comUnited States · English

86.4M

Search estimate

New 1 · Up 2

Ranking keywords
12,400
Landing pages
4
Search competitors
4
AI citations
2
PositionEstimated visits
  1. google#142M
  2. gmail#118.2M
  3. google maps#19.4M
  4. google drive#14.1M

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Baidu rank

Site profile

  • HTTP 200
  • Email authentication
  • Hosting ASN
HTTP
200
Page size
131.8 KiB
Hosting
AMAZON-02 · AS16509
Email authentication
SPF · DMARC none
TLS
TLSv1.3 · 191 days
Page and SEO
Title
資格試験・資格取得の情報サイト｜資格の学校TAC[タック]
Description
資格試験・資格取得の情報サイト・資格の学校TACのホームページ
Cross-origin redirect
Yes
Word count
8,041
Internal / external links
163 / 14
Canonical
https://www.tac-school.co.jp/index.html
Language
ja
H1 / H2
1 / 4
Images missing alt
25 / 138
OG / Twitter
OG
Technology and tracking1 tracking
Technology clues
jQuery
Tracking clues
Google Tag Manager
Social links
twitter.com · facebook.com
Server
Apache
Security headers
2 / 6
Cookie
2（Secure 0）
Email and DNS securitySet
SPF
Set
DMARC
Set · none
MTA-STS / BIMI
MTA-STS
DKIM selectors
google · s1 · s2
Mail stack
Google Workspace
IPv6
No AAAA
Site verification TXT
Google · Microsoft
SOA
ns-443.awsdns-55.com
NS
ns-1261.awsdns-29.org. · ns-1945.awsdns-51.co.uk. · ns-443.awsdns-55.com. · 1 more
MX
1 aspmx.l.google.com. · 10 alt3.aspmx.l.google.com. · 10 alt4.aspmx.l.google.com. · 2 more
Hosting and networkAS16509
A
18.65.207.5 · 18.65.207.105 · 18.65.207.121 · 18.65.207.65
Hosting ASN
AS16509 · 18.65.200.0/21
Hosting organization
AMAZON-02 - Amazon.com, Inc.
Hosting country
US
BGP announcement
Yes
Reverse DNS
server-18-65-207-5.nrt57.r.cloudfront.net
TLS
TLSv1.3 · Verified
Certificate issuer
Amazon RSA 2048 M01
Certificate remaining
191 days
Certificate SAN
DNS:*.tac-school.co.jp · DNS:tac-school.co.jp
robots and AI crawlingHTTP 404
Robots.txt
404
Sitemap
URL set · 5,225
Well-known public paths
Present / checked
0 / 5

Website information

Domain
tac-school.co.jp
Registration status
Domain registered
Registered
1995-10-24
Domain age
31 years

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What's in this report

The report starts with a whole-site monthly visit estimate. Search visibility and public site facts follow when they exist.

  • Website traffic is a modeled whole-site estimate, with a source, observation period and confidence.
  • Search visibility is ranking keywords and search traffic, listed separately from whole-site visits.
  • Missing or partial values stay marked in the report.
Data notes →How estimates are produced →Website traffic sources →Claim, correct or hide this report →