What powers sciencehistory.org?

Last seen Jun 2026 · 41 technologies across 22 categories

Advertising

Microsoft Advertising
since Feb 2023

Analytics

Facebook Pixel v2.9.334
since Jul 2021
Google Analytics
since Jan 2019
Hotjar
since Aug 2019

Caching

Varnish
since Jan 2019

CDN

Fastly
since Feb 2021

CMS

WordPress
since Jun 2023

Databases

MariaDB
since May 2019
MySQL
since Jun 2023

Font scripts

Google Font API
since Jan 2019
Typekit
since Feb 2021

JavaScript libraries

core-js v3.39.0
since Sep 2021
jQuery v3.7.1
since Jan 2019
jQuery Migrate v3.4.0
since May 2026
LazySizes
since Feb 2022
Swiper
since Oct 2023

Miscellaneous

Open Graph
since Sep 2022
Popper
since Apr 2022
PWA
since Aug 2022

PaaS

Heroku
since Jul 2021
Pantheon
since May 2019

Page builders

WordPress Block Editor
since Jul 2024

Performance

Priority Hints
since Nov 2023

Programming languages

Erlang
since Jan 2023
Java
since Nov 2021
PHP
since Jan 2019
Ruby
since Feb 2019

RUM

New Relic
since Jan 2019

Security

HSTS
since Sep 2022
reCAPTCHA
since Oct 2023

SEO

Yoast SEO Premium v27.3
since Apr 2024

Tag managers

Google Tag Manager
since Aug 2022

UI frameworks

Bootstrap v4.3.1
since Feb 2019

Video players

VideoJS
since Apr 2022

Web frameworks

Ruby on Rails
since Feb 2019

Web servers

Cowboy
since Jul 2021
Jetty v10.0.26
since Aug 2023
Nginx
since Jan 2019

WordPress plugins

Contact Form 7 v6.1.5
since Jun 2023
Yoast SEO v27.3
since Jun 2023

Top search keywords

KeywordPositionEst. monthly visits
biohazard symbol #1 6,700
sexes #23 3,800
george washington carver #6 3,700
jessica ainscough #4 3,300
rare earth minerals #3 2,900
haber chemist #2 1,600
earth minerals #5 1,600
john dalton #4 1,500
ernest rutherford #4 1,200
haber #4 980
what are rare earth elements #3 960
fritz haber #3 960
marie curie #14 920
nikola tesla #16 860
alexander fleming #5 850
alfred nobel #5 850
mendeleev #4 800
faraday michael #4 800
joseph j thomson #3 720
cod collapse #2 710
paracelsus #5 690
paracelsus #5 690
michael faraday scientist #5 690
what are rare earth minerals #4 690
what did jj thomson discover #1 660

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

  • 54% desktop
  • 44% phone
  • 2% tablet
  • Philippines
  • New Zealand
  • United States
  • India
  • Germany
  • United Kingdom

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

Open Page Rank

7.59 / 10 · ranked #15,663 of all domains

1,904 referring domains · OpenPageRank

Search traffic

102,500 est. monthly organic visits (US)

16,342 keywords in Google's top 30

Core Web Vitals

LCP2.2 s
INP50 ms
CLS0
TTFB1000 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English (United States)
  • CDN: Fastly
  • Weight: 5.0 MB · 109 requests
  • WordPress theme: shi · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
www.sciencehistory.org 27
sciencehistory.org 24
staging-digital.sciencehistory.org 14
archives.sciencehistory.org 10
digital.sciencehistory.org 8
othmerlib.sciencehistory.org 1

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