What powers 
cityofderryairport.com?
Last seen Sep 2026 · 38 technologies across 15 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
UI frameworks
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no ai-input=yes declared in robots.txt
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Standards: Content Signals
Audience
- 86% phone
- 11% desktop
- 3% tablet
United Kingdom
Ireland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.52 / 10 · ranked #872,310 of all domains
86 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- CDN: Cloudflare
- Weight: 6.2 MB · 115 requests
- WordPress theme: cityofderry2021 · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.41.11)
- Email: no MX record returned
- Email security: SPF, DMARC reject, MTA-STS
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 819,258, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.cityofderryairport.com | 32 |
| prebook.cityofderryairport.com | 12 |
Full technology history →
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Recent changes
- dropped MailChimp Mar 2026
- detected reCAPTCHA Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Moment.js Nov 2025
- dropped React Nov 2025
- dropped Underscore.js Nov 2025