Public technology profileFresh scan

kakuyomu.jp

Our latest scan of kakuyomu.jp detected 32 technologies across 10 categories. The strongest signals include Amazon CloudFront, Apollo, AppNexus.

32
Technologies
10
Categories
95%
Avg. confidence
1d ago
Last scanned

Current snapshot

Detected technology stack

Grouped by category · confidence is detection certainty

Advertising

6 detected
AppNexus
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
OpenX
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
Prebid
v10.23.0
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
PubMatic
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
Twitter Ads
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
Yahoo Advertising
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence

Backend

5 detected
Nginx
First seen Jul 17, 2026Last seen Jul 20, 2026
100%
confidence
Sentry
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
GraphQL
First seen Jul 20, 2026Last seen Jul 20, 2026
80%
confidence
Node.js
First seen Jul 17, 2026Last seen Jul 20, 2026
80%
confidence
TypeScript
First seen Jul 20, 2026Last seen Jul 20, 2026
50%
confidence

CDN & delivery

3 detected
Amazon CloudFront
First seen Jul 17, 2026Last seen Jul 20, 2026
100%
confidence
jsDelivr
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
Cloudflare
First seen Jul 20, 2026Last seen Jul 20, 2026
80%
confidence

JavaScript frameworks

3 detected
Apollo
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
core-js
v3.32.2
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
React
First seen Jul 17, 2026Last seen Jul 20, 2026
80%
confidence

Other

3 detected
PWA
First seen Jul 17, 2026Last seen Jul 20, 2026
100%
confidence
Twitter
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence
Webpack
First seen Jul 17, 2026Last seen Jul 20, 2026
80%
confidence

Hosting & infrastructure

2 detected
Amazon Route 53
First seen Jul 17, 2026Last seen Jul 20, 2026
95%
confidence
Amazon Web Services
First seen Jul 17, 2026Last seen Jul 20, 2026
80%
confidence

Tag management

1 detected
Google Tag Manager
First seen Jul 20, 2026Last seen Jul 20, 2026
100%
confidence

Frameworks

1 detected
Next.js
v16.2.1
First seen Jul 17, 2026Last seen Jul 20, 2026
100%
confidence

Publisher intelligence

Advertising ecosystem

Declared direct and reseller relationships from ads.txt and app-ads.txt. These are publisher declarations, not runtime detections.

Declaration files

2/2

ads.txt and app-ads.txt

Direct relationships

143

Reseller relationships

849

Declared systems

187

Counted per declaration file

ads.txt

PresentHTTP 200
Direct
117
Reseller
829
Systems
162

app-ads.txt

PresentHTTP 200
Direct
26
Reseller
20
Systems
25

Representative advertising systems

Top 12
pubmatic.com10 direct · 95 reseller
rubiconproject.com4 direct · 65 reseller
appnexus.com4 direct · 53 reseller
openx.com8 direct · 38 reseller
google.com6 direct · 36 reseller
indexexchange.com5 direct · 29 reseller
smartadserver.com1 direct · 32 reseller
impact-ad.jp7 direct · 16 reseller
video.unrulymedia.com3 direct · 19 reseller
lijit.com3 direct · 15 reseller
contextweb.com1 direct · 16 reseller
ad-stir.com3 direct · 13 reseller

Publisher declarations are relationship evidence, not proof that every system executed during this scan. Aggregate counts are complete; the displayed systems are a storage-safe representative set.

Infrastructure

Network and security

DNS, hosting, TLS and email-security evidence observed during the latest scan. Incomplete lookups remain explicitly unknown.

Transport and email security

HTTPSObserved
HSTSNot observed on scanned response
SPFConfigured
DMARCConfigured · quarantine
Certificate issuer
Amazon Amazon RSA 2048 M01

Network footprint

Observed host
kakuyomu.jp
Nameservers
ns-1435.awsdns-51.org, ns-1802.awsdns-33.co.uk, ns-457.awsdns-57.com, ns-971.awsdns-57.net
Resolved IPs
13.224.68.13, 13.224.68.18, 13.224.68.20, 13.224.68.39
Provider evidence
Amazon Route 53, Nginx

Site signals

Content and capabilities

Structured data, languages, social platforms and page capabilities observed across the scanned pages.

Languages

ja

Social platforms

x

Observed capabilities

Responsive viewportApple touch iconApple app linkSearch formLoginSignup

2 form elements observed across scanned pages.

Recent technology changes

Observed changes between stored scans, not vendor-confirmed installation dates.

First detected
Apollo100% confidenceJul 20, 2026, 05:03 AM
First detected
AppNexus100% confidenceJul 20, 2026, 05:03 AM
First detected
Cloudflare80% confidenceJul 20, 2026, 05:03 AM
First detected
Cloudflare Bot Management100% confidenceJul 20, 2026, 05:03 AM
First detected
Facebook Login100% confidenceJul 20, 2026, 05:03 AM
First detected
Facebook Pixel100% confidenceJul 20, 2026, 05:03 AM
First detected
Global Site Tag100% confidenceJul 20, 2026, 05:03 AM
First detected
Google Analytics100% confidenceJul 20, 2026, 05:03 AM
First detected
Google Analytics 4100% confidenceJul 20, 2026, 05:03 AM
First detected
Google Tag Manager100% confidenceJul 20, 2026, 05:03 AM
First detected
GraphQL80% confidenceJul 20, 2026, 05:03 AM
First detected
Microsoft Clarity100% confidenceJul 20, 2026, 05:03 AM

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