What powers masterclass.com?

Last seen Jun 2026 · 101 technologies across 36 categories

A/B Testing

Optimizely
since May 2018

Advertising

Adalyser
since Sep 2021
Amazon Advertising
since Nov 2022
AppNexus
since Mar 2021
Criteo
since Dec 2021
LiveIntent
since Jun 2021
Microsoft Advertising
since Feb 2021
Reddit Ads
since Dec 2021
Tatari
since Sep 2021
theTradeDesk
since Sep 2021

Affiliate programs

Impact
since May 2022

Analytics

Amplitude
since Oct 2018
Contentsquare
since Jun 2026
Facebook Pixel v2.9.338
since Jun 2021
Google Analytics
since Jun 2018
Hotjar
since Jul 2018
HubSpot Analytics
since Mar 2022
Linkedin Insight Tag
since Oct 2021
Matomo Analytics
since Mar 2022
Microsoft Clarity v0.6.42
since Jun 2022
Profitwell
since Nov 2021
Snowplow Analytics
since Jun 2023
TikTok Pixel
since Dec 2021

Authentication

Google Sign-in
since Mar 2021

Blogs

WordPress v5.3.2
since Aug 2018

CDN

Amazon CloudFront
since Mar 2021
Amazon S3
since Aug 2018
cdnjs
since Sep 2023
Cloudflare
since May 2018
Google Hosted Libraries
since Aug 2022

Cookie compliance

OneTrust
since Nov 2020
Transcend
since Sep 2022

CRM

Salesforce
since Aug 2022

Customer data platform

Segment
since May 2018

Databases

MySQL
since Aug 2018

Digital asset management

Dropbox
since Aug 2022

Documentation

Zendesk
since Aug 2022

Ecommerce

Amazon Webstore
since Dec 2022
Cart Functionality
since Nov 2021

Email

Amazon SES
since Aug 2022

Font scripts

Google Font API
since May 2018
Typekit
since Mar 2021

JavaScript frameworks

Angular
since Jun 2026
AngularJS
since Jan 2019
Emotion
since Oct 2022
Next.js v15.5.12
since Apr 2022
React
since Aug 2018
React Router v6
since May 2026
Stimulus
since Feb 2021
styled-components v6.4.2
since Jul 2021
Zone.js
since Jun 2026

JavaScript Libraries

Apollo v3.14.1
since Jun 2025
core-js v3.32.2
since Sep 2021
FingerprintJS v1.8.0
since Sep 2025
jQuery v3.5.1
since Jun 2018
jQuery Migrate v1.4.1
since Aug 2018
Lodash v4.17.21
since Jun 2018

Marketing automation

Grin
since Nov 2021
HubSpot
since Mar 2022
Mautic
since Jun 2026
Pardot
since Oct 2021

Miscellaneous

DocuSign
since Aug 2022
HTTP/3
since Nov 2024
Open Graph
since Sep 2022
Twitter Emoji (Twemoji)
since Aug 2018
Webpack
since Jul 2018

PaaS

Amazon Web Services
since Aug 2020
Heroku
since Aug 2020
SiteGround
since Mar 2020

Page builders

Webflow
since Jun 2024

Payment processors

PayPal
since Sep 2022
Stripe
since Aug 2022

Performance

Priority Hints
since Apr 2025

Programming Languages

GraphQL
since Jun 2025
Java
since Oct 2021
Node.js
since Apr 2022
PHP
since Aug 2018
Ruby
since Jun 2018
TypeScript
since Jun 2025

RUM

Datadog
since Jul 2021
New Relic
since Jun 2018
SpeedCurve
since Jul 2021

Security

Cloudflare Bot Management
since Nov 2021
Cloudflare Turnstile
since Jul 2024
HSTS
since Sep 2022

Segmentation

Adobe Audience Manager
since Aug 2022

Surveys

Sprig
since Feb 2022

Tag managers

Google Tag Manager
since Jun 2018

UI frameworks

Bootstrap
since Jun 2026
Tailwind CSS
since Apr 2022

Video Players

VideoJS
since Mar 2020
YouTube
since Aug 2018

Web frameworks

Ruby on Rails
since Jun 2018

Web servers

Cowboy
since Aug 2022

Webmail

Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022

Widgets

Facebook
since Jun 2018

Top search keywords

KeywordPositionEst. monthly visits
how many teaspoons per tablespoon #2 44,700
masterclass #1 27,500
how many cups in a gallon #2 24,400
tbsp to tsp #2 17,800
century egg #2 9,800
metric vs imperial #1 8,200
metric system vs imperial #1 8,200
bondage #3 8,000
satin weave #2 8,000
grunge music genre #4 7,200
how much mls is a cup #3 7,200
types of fabric material #1 6,700
such as synonym #1 6,700
cups in a gallon #3 6,600
nihilisms #7 6,300
martin scorsese #7 6,300
metric system versus imperial #1 6,200
metric or imperial #1 6,200
imperial units vs metric #1 6,200
iambic pattern #3 5,900
2nd person point of view #2 5,400
century old egg #2 4,900
satin #3 4,800
aaron sorkin #3 4,800
dynamic range compression #3 4,800

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

Audience

  • 55% phone
  • 44% desktop
  • 1% tablet
  • Canada
  • United States
  • India
  • Germany
  • United Kingdom
  • Brazil

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

8.40 / 10 · ranked #3,135 of all domains

9,571 referring domains · OpenPageRank

Search traffic

1,998,400 est. monthly organic visits (US)

498,901 keywords in Google's top 30

Core Web Vitals

LCP1.9 s
INP125 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 5.3 MB · 352 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
nextjs-to-rails.masterclass.com 51
work.masterclass.com 48
www.masterclass.com 48
learn.masterclass.com 46
links.masterclass.com 46
oncall.masterclass.com 27
privacy.masterclass.com 26
news.masterclass.com 24
careers.masterclass.com 18
gql.masterclass.com 17
community.masterclass.com 16
support.masterclass.com 7

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