What powers nsf.org?

Last seen Jun 2026 · 100 technologies across 34 categories

Analytics

Crazy Egg
since Sep 2025
Dynatrace
since Oct 2021
Facebook Pixel v2.9.337
since Jul 2021
Google Analytics
since Jun 2018
Linkedin Insight Tag
since Mar 2021
Naver Analytics
since Aug 2025

Authentication

Apple Sign-in
since Aug 2024
Facebook Login
since Aug 2024
Google Sign-in
since Aug 2024

CDN

Amazon S3
since Feb 2024
cdnjs
since Nov 2021
Cloudflare
since Jan 2024
Cloudinary
since Oct 2025
jsDelivr
since Jan 2024

CMS

Craft CMS
since Nov 2021
WordPress v6.5.3
since May 2024

Cookie compliance

CookieYes v3.1.2
since May 2024
OneTrust
since Oct 2020

Databases

MySQL
since May 2024

Ecommerce

WooCommerce
since May 2024

Email

Amazon SES
since Aug 2022

Font scripts

Font Awesome v6.1.2
since Oct 2021
Google Font API
since Oct 2021
Twitter Emoji (Twemoji)
since May 2024
Typekit v1.21.0
since Feb 2021

Hosting panels

Plesk
since May 2024

Issue trackers

Atlassian Jira
since Aug 2022
Sentry
since Jan 2025

JavaScript frameworks

Alpine.js v3.7.0
since Jan 2022
Angular v19.2.14
since Jan 2024
Backbone.js v1.4.0
since Aug 2022
Knockout.js v3.5.1
since Jun 2021
Next.js v14.2.35
since Dec 2023
Next.js App Router
since Dec 2023
React
since Aug 2022
styled-components v4.4.1
since Aug 2022
Zone.js
since Jan 2024

JavaScript graphics

Chart.js
since Feb 2024

JavaScript libraries

core-js v3.32.2
since Sep 2021
Hammer.js v2.0.7
since Jan 2024
jQuery v4.0.0
since Apr 2018
jQuery Migrate v3.5.2
since Aug 2022
jQuery UI v1.13.3
since Oct 2021
lit-element v4.1.0
since Sep 2024
lit-html v3.2.0
since Sep 2024
Lodash v4.17.21
since Aug 2022
Moment.js v2.29.4
since Aug 2022
PubSubJS v3.4.0
since May 2024
Select2
since Feb 2024
Underscore.js v1.13.4
since Aug 2022

Load balancers

Amazon ALB
since Feb 2024
Azure Front Door
since Nov 2022

Marketing automation

Miscellaneous

DocuSign
since Aug 2022
HTTP/3
since Aug 2024
Open Graph
since Sep 2022
Popper
since May 2024
Prism
since Feb 2024
PWA
since Aug 2022
RSS
since Dec 2022
Webpack
since Jun 2021

Mobile frameworks

jQuery-pjax
since Aug 2022

Operating systems

Windows Server
since Aug 2018

PaaS

Amazon Web Services
since Aug 2022
Azure
since Sep 2022

Payment processors

PayPal
since Oct 2025

Performance

Blitz
since Nov 2021
Priority Hints
since Dec 2023

Programming languages

Java
since Jun 2022
Node.js
since Dec 2023
PHP v8.2.19
since Jun 2018
Ruby
since Jul 2024
TypeScript
since Jan 2024

Rich text editors

CKEditor
since Aug 2022

RUM

Dynatrace RUM
since Apr 2022
New Relic
since Jun 2022

Security

Cloudflare Bot Management
since Nov 2024
HSTS
since Sep 2022
reCAPTCHA
since Dec 2023

Surveys

Qualtrics
since May 2022

Tag managers

Google Tag Manager
since Oct 2020

UI frameworks

Bootstrap v5.2.0
since Oct 2021
Headless UI
since Dec 2023
Kendo UI
since Oct 2021
Radix UI
since Dec 2023
Tailwind CSS
since Apr 2022

Video players

VideoJS v7.21.6
since Feb 2024

Web frameworks

Microsoft ASP.NET
since Aug 2018
Ruby on Rails
since Jul 2024
Yii
since Nov 2021

Web servers

Apache HTTP Server
since Apr 2018
IIS v7.5
since Aug 2018
Nginx
since Aug 2020

Webmail

Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Outlook Web App v14.3.468.0
since Aug 2018

WordPress plugins

Elementor v3.15.3
since May 2024

Top search keywords

KeywordPositionEst. monthly visits
iso14001 #7 5,100
nsf #5 3,500
iso 45001 #8 3,300
iso 9001 #9 3,000
nsf science #3 2,600
consumer confidence report #9 1,700
national sanitation foundation international #1 1,600
nsf int #1 1,600
iso 14001 #11 1,500
nsf international #1 1,300
nsf sanitation #1 1,200
what does nsf mean #1 1,100
what is nsf #1 1,100
what is nsf certified #1 730
nsf certified meaning #1 730
3rd party supplement testing #1 730
food standards agency #71 630
sqf certification #2 580
e-waste recycling certification #2 580
food safety training courses #3 480
iso14001 #31 420
nsf certification #1 370
iso 14001 #71 350
household water purification systems #26 350
iso 9001 certification #6 340

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

  • 69% desktop
  • 31% phone
  • Mexico
  • Philippines
  • Malaysia
  • Singapore
  • Saudi Arabia
  • Peru

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

Open Page Rank

8.20 / 10 · ranked #5,193 of all domains

3,731 referring domains · OpenPageRank

Search traffic

64,100 est. monthly organic visits (US)

18,497 keywords in Google's top 30

Core Web Vitals

LCP6.1 s
INP125 ms
CLS0.2
TTFB800 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English
  • CDN: Microsoft Azure
  • Weight: 15.3 MB · 57 requests

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
www.nsf.org 32
standards.nsf.org 29
foodtraining.it.nsf.org 27
listings.nsf.org 25
info.nsf.org 23
www2.nsf.org 23
my.nsf.org 21
es.nsf.org 17
help.nsf.org 17
nsftraining.la.nsf.org 17
forms.nsf.org 13
nsftraining.sa.nsf.org 13
sellerpartner.nsf.org 10
webapps.nsf.org 4
webmail.nsf.org 4

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