What powers 
shef.ac.uk?
Last seen Oct 2026 · 182 technologies across 41 categories
Advertising
Twitter Ads
since Jun 2021
Analytics
Cloudflare Browser Insights
since Jul 2022
Google Analytics
since Jun 2018
Hotjar
since Jun 2018
Mixpanel
since Sep 2022
Plausible
since Sep 2022
Caching
Varnish
since May 2017
CDN
Amazon CloudFront
since Sep 2026
Amazon S3
since Aug 2022
cdnjs
since Dec 2021
Cloudflare
since Aug 2018
Fastly
since Dec 2021
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Jun 2023
jsDelivr
since Jun 2021
CMS
Cookie compliance
Databases
MySQL
since Aug 2018
Documentation
Ecommerce
Cart Functionality
since Aug 2020
Editors
Amaya
since Jun 2020
Amazon SES
since Aug 2022
Sendgrid
since Sep 2022
Font scripts
Hosting panels
Plesk
since Mar 2023
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Clipboard.js
since Mar 2022
Day.js
since Sep 2022
Flickity
since May 2020
HeadJS
since Dec 2019
Isotope
since Jan 2022
Loadable-Components
since Aug 2022
Modernizr
since Aug 2018
OWL Carousel
since May 2017
prettyPhoto
since Sep 2020
Select2
since Aug 2018
Slick
since Aug 2018
Swiper
since Sep 2022
Underscore.js
since Aug 2018
LMS
Moodle
since Dec 2021
Load balancers
Amazon ALB
since Dec 2022
Maps
Google Maps
since Apr 2023
Marketing automation
MailChimp
since Aug 2022
Salesforce Marketing Cloud Account Engagement
since Dec 2022
Miscellaneous
Operating systems
Debian
since Aug 2026
Scientific Linux
since Aug 2018
Ubuntu
since Aug 2018
Windows Server
since Aug 2018
PaaS
Page builders
Payment processors
PayPal
since Apr 2025
Performance
Priority Hints
since Oct 2023
Turbo
since Nov 2025
Programming languages
Adobe Flash
since Jul 2021
GraphQL
since Jan 2025
Java
since Jun 2018
PHP
since Aug 2018
Ruby
since Aug 2018
TypeScript
since Dec 2022
Rich text editors
RUM
New Relic
since Oct 2018
Security
Tag managers
Google Tag Manager
since May 2017
UI frameworks
Angular Material
since Aug 2022
Animate.css
since May 2020
Material Design Lite
since Apr 2022
Tailwind CSS
since Apr 2022
ZURB Foundation
since Sep 2019
Video players
Web frameworks
Microsoft ASP.NET
since Aug 2018
Ruby on Rails
since Aug 2018
Web server extensions
Web Servers
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Widgets
AddThis
since Aug 2018
Buttonizer
since Aug 2023
Facebook
since Jun 2018
Google Plus
since Sep 2020
POWR
since Aug 2022
ShareThis
since May 2022
Twitter
since Aug 2018
Wheelio
since Sep 2021
WordPress plugins
Elementor Header & Footer Builder
since Jun 2022
Essential Addons for Elementor
since Feb 2022
Jetpack
since Feb 2022
OrbitFox
since Jun 2022
Premio Chaty
since Apr 2023
Smart Slider 3
since Jun 2022
Smash Balloon Instagram Feed
since Apr 2023
TablePress
since May 2022
The Events Calendar
since Nov 2022
WordPress Super Cache
since Apr 2023
WP Rocket
since Apr 2019
WP-Optimize
since Mar 2024
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 robots.txt appeared
- Nov 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Sep 2026 * added to robots.txt
- Aug 2026 claudebot removed from robots.txt
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 82% desktop
- 16% phone
- 3% tablet
United States
United Kingdom
Canada
India
France
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.00 / 10 · ranked #7,603 of all domains
3,794 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.1 s |
| INP | 125 ms |
| CLS | 0.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.1 MB · 5 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Similar sites
ptc.org 4 shared
weareallhuman.org 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on JANET Jisc Services Limited (143.167.2.102)
- DNS: shef.ac.uk
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject, CAA, MTA-STS
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 6,385, 987 hosts
- Verified with: Apple Business, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| performancevenues.group.shef.ac.uk | 29 |
| innovationlaunchpad.group.shef.ac.uk | 27 |
| siid.group.shef.ac.uk | 27 |
| youruniversity.group.shef.ac.uk | 26 |
| bummit.union.shef.ac.uk | 23 |
| jus.shef.ac.uk | 22 |
| themediaunit.group.shef.ac.uk | 22 |
| www.historymatters.group.shef.ac.uk | 22 |
| dataviz.shef.ac.uk | 21 |
| auditreformlab.group.shef.ac.uk | 20 |
| eltc-language-resources.group.shef.ac.uk | 19 |
| find.shef.ac.uk | 19 |
| icog.group.shef.ac.uk | 18 |
| jibs.group.shef.ac.uk | 18 |
| mhs.group.shef.ac.uk | 18 |
| pheds.group.shef.ac.uk | 17 |
| www.myjobshop.shef.ac.uk | 17 |
| ihuman.group.shef.ac.uk | 16 |
| jobs.shef.ac.uk | 16 |
| mysapmobile.shef.ac.uk | 16 |
| onlineshop.shef.ac.uk | 16 |
| rse.shef.ac.uk | 16 |
| sbc.shef.ac.uk | 16 |
| www.dcs.shef.ac.uk | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Amazon ELB Oct 2026
- detected Amazon CloudFront Sep 2026
- dropped Preact Sep 2026
- detected Svelte Jul 2026