Public technology profileAging scan

21kschool.com

Our latest scan of 21kschool.com detected 26 technologies across 12 categories. The strongest signals include Bootstrap, Bootstrap Icons, Cloudflare.

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Technologies

Detected technology stack

Grouped by category · confidence is detection certainty

Analytics

7 detected

Contentsquare

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Facebook Pixel

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Global Site Tag

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Google Analytics

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Google Analytics 4

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Linkedin Insight Tag

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Microsoft Clarity

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

JavaScript frameworks

3 detected

Bootstrap

v5.0.2

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

OWL Carousel

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

jQuery

v3.7.1

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Frontend

3 detected

Bootstrap Icons

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Font Awesome

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Google Font API

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

CDN & delivery

2 detected

Cloudflare

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Redis Object Cache

First seen Jul 17, 2026Last seen Jul 17, 2026

100%

confidence

CMS

2 detected

WordPress

v6.7.2

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Yoast SEO

v26.3

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Security

2 detected

reCAPTCHA

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Google Trust Services

First seen Jul 17, 2026Last seen Jul 19, 2026

95%

confidence

Database

2 detected

MySQL

First seen Jul 17, 2026Last seen Jul 19, 2026

80%

confidence

Redis

First seen Jul 17, 2026Last seen Jul 17, 2026

80%

confidence

Tag management

1 detected

Google Tag Manager

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Marketing

1 detected

Leadsquared

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Advertising

1 detected

Linkedin Ads

First seen Jul 19, 2026Last seen Jul 19, 2026

100%

confidence

Other

1 detected

RSS

First seen Jul 17, 2026Last seen Jul 19, 2026

100%

confidence

Backend

1 detected

PHP

First seen Jul 17, 2026Last seen Jul 19, 2026

80%

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

0/2

ads.txt and app-ads.txt

Direct relationships

Reseller relationships

Declared systems

Counted per declaration file

ads.txt

Not presentHTTP 404

Direct: 0
Reseller: 0
Systems: 0

app-ads.txt

Not presentHTTP 404

Direct: 0
Reseller: 0
Systems: 0

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

HSTSObserved on scanned response

SPFConfigured

DMARCConfigured · none

Certificate issuer

Google Trust Services WE1

Network footprint

Observed host

www.21kschool.com

Nameservers

grannbo.ns.cloudflare.com, jermaine.ns.cloudflare.com

Resolved IPs

104.21.19.151, 172.67.186.199, 2606:4700:3030::ac43:bac7, 2606:4700:3035::6815:1397

Provider evidence

Cloudflare, Google Trust Services

Site signals

Content and capabilities

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

Languages

en-IN

Structured data

AnswerBreadcrumbListContactPointEducationalOccupationalCredentialEducationalOrganizationEntryPointFAQPageImageObjectListItemOrganizationPersonPostalAddressPropertyValueSpecificationQuestionReadActionSearchActionWebPageWebSite

Social platforms

facebookinstagramlinkedinxyoutube

Observed capabilities

Responsive viewportEmail formContact pageCareers pageBlog

1 form elements observed across scanned pages.

Recent technology changes

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

First detected

Contentsquare100% confidenceJul 19, 2026, 09:13 PM

First detected

Facebook Pixel100% confidenceJul 19, 2026, 09:13 PM

First detected

Global Site Tag100% confidenceJul 19, 2026, 09:13 PM

First detected

Google Analytics100% confidenceJul 19, 2026, 09:13 PM

First detected

Google Analytics 4100% confidenceJul 19, 2026, 09:13 PM

First detected

Google Font API100% confidenceJul 19, 2026, 09:13 PM

First detected

Leadsquared100% confidenceJul 19, 2026, 09:13 PM

First detected

Linkedin Ads100% confidenceJul 19, 2026, 09:13 PM

First detected

Linkedin Insight Tag100% confidenceJul 19, 2026, 09:13 PM

First detected

Microsoft Clarity100% confidenceJul 19, 2026, 09:13 PM

Detection changed

Bootstrap100% confidenceJul 19, 2026, 09:13 PM

First detected

Bootstrap100% confidenceJul 17, 2026, 08:25 PM