CipherCue measured CDNs for 44,143 tracked European companies and found 89.6% of those using a CDN sit behind Cloudflare (country shares range ~79%–95.6%), highlighting high market concentration and the systemic outage risk when a single front-door provider has incidents. The analysis is based on HTTP/DNS fingerprinting of a cohort skewed to small/mid companies, detects CDNs via response headers (with caveats such as CloudFront/AWS ambiguity), and is not a representative sample of all firms.
An air traffic control (ATC) problem in the UK has caused widespread disruption, with hundreds of flights cancelled or delayed and at least 22 Heathrow arrivals diverted to other UK and European airports (list includes flights from Los Angeles, Tokyo, Singapore, Delhi, etc.).