What powers 
thelondonarchives.org?
Last seen Sep 2026 · 18 technologies across 11 categories
Analytics
Google Analytics
since Oct 2024
Caching
Varnish
since Sep 2024
CDN
Amazon S3
since Sep 2024
Cookie compliance
CIVIC
since Sep 2024
JavaScript frameworks
React
since Sep 2024
JavaScript libraries
Loadable-Components
since Sep 2024
Preact
since Sep 2024
Marketing automation
MailChimp
since Sep 2024
Miscellaneous
PaaS
Amazon Web Services
since Sep 2024
Security
HSTS
since Sep 2024
Tag managers
Google Tag Manager
since Sep 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 51% desktop
- 46% phone
- 3% tablet
United Kingdom
United States
Australia
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.08 / 10 · ranked #517,536 of all domains
80 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 5.9 MB · 104 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ZENGENTI (185.18.139.221)
- DNS: colt.net
- Email: no MX record returned
- SSL: Entrust, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 724,959, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted