What powers sign.ac.uk?

Last seen Jun 2026 · 15 technologies across 10 categories

Analytics

Google Analytics vUA
since Jan 2019
Microsoft Clarity
since Dec 2021

CDN

Google Hosted Libraries
since Aug 2022

CMS

Umbraco
since Oct 2023

Font scripts

Google Font API
since Aug 2020

JavaScript libraries

jQuery v3.5.1
since Jan 2019

Miscellaneous

HTTP/3
since Aug 2025
Open Graph
since Sep 2022
Popper
since Apr 2022
PWA
since Aug 2022

Security

hCaptcha
since Jul 2022
HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Sep 2021

UI frameworks

Bootstrap v4.5.0
since Aug 2020

Web frameworks

Microsoft ASP.NET
since Oct 2023

Top search keywords

KeywordPositionEst. monthly visits
superseded #94 140
network #90 120
fasd #34 43
male growth chart #18 40
infant weight percentile #42 16
normal eye pressure range #16 14
newborn weight chart #50 11
sign checklists #1 9
ac deli #48 8
handling depression without medication #14 8
fas signs #37 7
scotland language #93 6
sign search #8 6
asthma treatment guidelines #54 5
newborn height chart #55 5
newborn growth chart #46 5
focus 2010 #91 5
average male growth chart #8 4
inhaler chart #54 4
refresh nutrition #58 3
sign guidelines #4 3
normal height and weight chart #61 3
list of signs #84 3
acs guidelines #30 3
acs disease #73 3

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

  • 72% desktop
  • 28% phone
  • India
  • United Kingdom

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

Open Page Rank

6.91 / 10 · ranked #50,112 of all domains

657 referring domains · OpenPageRank

Search traffic

650 est. monthly organic visits (US)

813 keywords in Google's top 30

Core Web Vitals

LCP1.3 s
INP75 ms
CLS0
TTFB600 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English (United Kingdom)
  • Weight: 1.2 MB · 43 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Jul 2026.

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018