2026-04-01
Eight years ago, we launched 1.1.1.1 to build a faster, more private Internet. Today, we’re sharing the results of our latest independent examination. The result: our privacy protections are working exactly as promised....
2026-01-26
The last quarter of 2025 brought several notable disruptions to Internet connectivity. Cloudflare Radar data reveals the impact of cable cuts, power outages, extreme weather, technical problems, and more....
2026-01-14
A recent change to 1.1.1.1 accidentally altered the order of CNAME records in DNS responses, breaking resolution for some clients. This post explores the technical root cause, examines the source code of affected resolvers, and dives into the inherent ambiguities of the DNS RFCs. ...
2025-11-03
Cloudflare used historical data to investigate reports of potential new firewall tests in Turkmenistan. Shifts in TCP resets/timeouts across ASNs corroborate large-scale network control system changes. ...
2025-10-28
In Q3 2025, we observed Internet disruptions around the world resulting from government directed shutdowns, power outages, cable cuts, a cyberattack, an earthquake, a fire, and technical problems, as well as several with unexplained causes....
2025-08-21
Fogos.pt, a volunteer-run wildfire tracker in Portugal, grew from a side project into a critical national resource used by citizens, media, and government. During 2025 fire season it was hit by DDoS ...
2025-07-22
In Q2 2025, we observed Internet disruptions around the world resulting from government-directed shutdowns, power outages, cable damage, a cyberattack, and technical problems....
2025-04-22
In Q1 2025, we observed Internet disruptions around the world caused by cable damage, power outages, natural disasters, fire, a cyberattack, and technical problems....
2025-01-28
After a rather busy third quarter, the fourth quarter of 2024 saw significantly fewer Internet disruptions....
2024-10-30
On October 30, 2024, cloud hosting provider OVHcloud (AS16276) suffered a brief but significant outage. Within this post, we review Cloudflare’s perspective on this outage....
2024-10-29
The third quarter of 2024 was particularly active, with quite a few significant Internet disruptions. ...
2024-10-01
On Monday, September 30, customers on Verizon’s mobile network in multiple cities across the United States reported experiencing a loss of connectivity. HTTP request traffic data from Verizon’s mobile ASN (AS6167) showed nominal declines across impacted cities. ...
2024-09-05
Cloudflare brings visibility to the practice of connection tampering as observed from our global network....
2024-08-13
The traffic graphs on Cloudflare Radar have been enhanced to include HTTP request traffic. This new metric complements the existing bytes-based “HTTP traffic” view, and the new graphs can be found on Radar’s Overview and Traffic pages....
2024-07-30
This blog post explores the impact of the Paris 2024 Summer Olympics on Internet traffic in France and beyond, concentrating on web activity during the opening ceremony and the initial days of competition. Let the games continue....
2024-07-16
Government directed shutdowns and cable cuts were both significant sources of Internet outages in Q2 2024. This post explores these disruptions, as well as others caused by power outages, maintenance,...
2024-06-21
Similar to actions taken over the last several years, governments in Syria, Iraq, and Algeria have again disrupted Internet connectivity nationwide in an attempt to prevent cheating on exams. We investigate how these disruptions were implemented, and their impact...
2023-07-24
Today, we are improving our Domain Rankings page and adding Trending Domains lists...
