What powers nihr.ac.uk?
Last seen Sep 2026 · 253 technologies across 48 categories
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since Aug 2022
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cdnjs
since Oct 2021
Cloudflare
since Nov 2021
Fastly
since Jun 2022
Google Cloud CDN
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since Feb 2022
jQuery CDN
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jsDelivr
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October CMS
since Feb 2026
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since Aug 2018
Squiz Matrix
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since Jun 2022
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since Apr 2026
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since Mar 2020
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since Jul 2021
Closure Library
since Oct 2023
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since Dec 2023
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since Aug 2018
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since Jun 2021
LazySizes
since Feb 2022
Lightbox
since Apr 2020
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since Jul 2026
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since Apr 2019
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since Nov 2021
prettyPhoto
since Apr 2019
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since Oct 2020
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since Aug 2018
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since Jul 2026
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since Oct 2022
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since Jul 2022
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since Feb 2024
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since Aug 2018
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since Aug 2018
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since Apr 2019
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since Jan 2019
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since Aug 2018
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since Aug 2022
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since Dec 2016
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since Aug 2018
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since Jul 2022
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since Nov 2022
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Smart Slider 3
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TablePress
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since Jul 2026
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since May 2023
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since Dec 2025
WP-PageNavi
since Aug 2022
WPForms
since Nov 2022
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
- Aug 2026 *: Restricted (was Allowed)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| multiple sclerosis | #76 | 770 |
| marion knight | #27 | 260 |
| research | #82 | 190 |
| plain | #73 | 160 |
| nihr | #1 | 150 |
| col care | #63 | 130 |
| terry quinn | #39 | 130 |
| when will trodusquemine be available | #3 | 97 |
| nother | #47 | 70 |
| national health institute uk | #1 | 64 |
| clinical | #69 | 57 |
| designs for health | #70 | 57 |
| nih uk | #1 | 48 |
| national brain research centre | #78 | 47 |
| nih clinical center | #78 | 38 |
| international conference on harmonization | #50 | 38 |
| norovirus vaccine | #16 | 35 |
| bmbr | #2 | 34 |
| gcp meaning | #8 | 32 |
| nih grants | #35 | 31 |
| open invention network | #83 | 31 |
| open invention network | #45 | 31 |
| gcp | #30 | 28 |
| another word for innovative | #70 | 25 |
| nih grant | #42 | 23 |
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.
AI Crawlers
No AI crawlers blocked
Audience
- 78% desktop
- 21% phone
- 1% tablet
United Kingdom
United States
India
Canada
Brazil
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.08 / 10 · ranked #6,154 of all domains
4,381 referring domains · OpenPageRank
Search traffic
4,200 est. monthly organic visits (US)
4,426 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 0.5 MB · 25 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
catholique.fr 31 sharedca.gov 49 shared
ufpa.br 19 shared
utah.gov 35 sharedufscar.br 24 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- National Institute for Health and Care Research
- Founded: 2006
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on CSC (165.160.13.20)
- DNS: cscdns.net
- Email: Google Workspace
- Email security: no SPF record, DMARC quarantine, CAA
- SSL: Amazon Trust Services, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 8,437, 347 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| openresearch.nihr.ac.uk | 39 |
| leedsbrc.nihr.ac.uk | 31 |
| www.dementiaresearcher.nihr.ac.uk | 31 |
| oxfordbrc.nihr.ac.uk | 30 |
| www.rds-nw.nihr.ac.uk | 30 |
| cambridge.crf.nihr.ac.uk | 29 |
| arc-yh.nihr.ac.uk | 28 |
| www.cambridgecrf.nihr.ac.uk | 28 |
| arc-sw.nihr.ac.uk | 27 |
| eeh.hpru.nihr.ac.uk | 27 |
| mdc.nihr.ac.uk | 27 |
| www.leicesterbrc.nihr.ac.uk | 27 |
| behscipru.nihr.ac.uk | 26 |
| clahrc-norththames.nihr.ac.uk | 26 |
| clinicalresearchliverpool.nihr.ac.uk | 26 |
| oxfordhealthbrc.nihr.ac.uk | 26 |
| www.newcastlebrc.nihr.ac.uk | 26 |
| www.rds-sc.nihr.ac.uk | 26 |
| arc-swp.nihr.ac.uk | 25 |
| evidence.nihr.ac.uk | 25 |
| local.nihr.ac.uk | 25 |
| oxfordhealthcrf.nihr.ac.uk | 25 |
| psrc-yh.nihr.ac.uk | 25 |
| www.birminghambrc.nihr.ac.uk | 25 |
Full technology history →
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Recent changes
- dropped Burst Aug 2026
- dropped Polyfill Aug 2026
- dropped Elfsight Jul 2026
- detected Gravatar Jul 2026
- detected Marked Jul 2026
- detected Tiny Slider Jul 2026
- dropped BugSnag Jun 2026
- detected Burst Jun 2026
- dropped Gravatar Jun 2026
- detected Matomo Analytics Jun 2026
- dropped OpenLayers Jun 2026
- dropped Backbone.js May 2026
- dropped Marionette.js May 2026
- dropped Ninja Forms May 2026
- dropped Pure Chat May 2026
- detected Redis May 2026
- detected Redis Object Cache May 2026
- detected Cloudways Apr 2026
- detected Complianz Apr 2026
- detected Contentsquare Apr 2026
- detected Gravatar Apr 2026
- detected Reddit Ads Apr 2026
- dropped VideoJS Apr 2026
- detected Debian Mar 2026
- dropped Redis Mar 2026
- dropped Redis Object Cache Mar 2026
- dropped Stripe Mar 2026
- dropped Trix Mar 2026
- dropped Turbolinks Mar 2026
- detected Usercentrics Mar 2026
- dropped Envoy Feb 2026
- dropped Gravatar Feb 2026
- dropped Pingdom RUM Feb 2026
- detected Redis Dec 2025
- detected Redis Object Cache Dec 2025
- detected WP-Optimize Dec 2025