CF-RAY
HTTP response headerThe CF-RAY response header is a unique ID from CloudFlare and indicates that the resource was served through CloudFlare. The CF-Cache-Status response header indicates specifically if the file was from the cache or not. If the value of CF-Cache-Status is HIT then that resource was served from CloudFlare's cache
Header usage statistics
CF-RAY response header information and usage statistics.| Websites using header CF-RAY | 909,415 |
| Percentage of websites that use CF-RAY header | 7.80% |
| Total discovered header values | 909,403 |
| Header uses directives | No |
| Header values are unique or random | Yes |
| Most popular in the country | 
United States of America
|
Connected technologies
Technologies that utilize the header
CloudFlare, category
Content Delivery Networks, total
910,090 websites
|
Distribution by websites popularity
CF-RAY detection in the top websites by popularity| Top 10k sites | 2,561 websites |
| Top 100k sites | 14,663 websites |
| Top 1m sites | 121,013 websites |
Websites utilizing CF-RAY
List of websites that use CF-RAY header| Domain | Country | Rank | Contacts |
|---|---|---|---|
|
|
United States of America
|
33 | |
|
|
United States of America
|
34 | |
|
|
United States of America
|
37 | |
|
|
United States of America
|
69 | |
|
|
United States of America
|
94 | |
|
|
United States of America
|
129 |
Geographical Distribution
Header usage distribution by websites across the globe.Common header values
List of top common CF-RAY header values| Header value | Value prevalence |
|---|---|
| - | 0.00% |
| 607852a0cc4c0353-ORD | 0.00% |
| 605c083ce8053b34-SJC | 0.00% |
| 605550cebc3a39a2-SEA | 0.00% |
| d13b3671cfa213d29caa52a2a69f0da3 | 0.00% |
| 606014e0497142c3-LAX | 0.00% |
| 604751c21a3b35da-LAX | 0.00% |
| 604013bcfceced1b-SJC | 0.00% |
| 5f6bc1edb980029d-SEA | 0.00% |
| 3b1412753f475cc969c37231dd6eaea2 | 0.00% |
| 4445414442454546-LED | 0.00% |
| 4fe9c4aea8d5ced8-IAD | 0.00% |
| 50433176194ad89e79418efd1478446a | 0.00% |
| 5813b2db0bdbf1a6-ATL | 0.00% |
| 589d3b43886ddd8f-SIN | 0.00% |
| 5a1e50e6e88904c8-LAX | 0.00% |
| 5a1e59914bd8e7fd-LAX | 0.00% |
| 5a1e5d1cbb76eb49-LAX | 0.00% |
| 5a1e5d2bcf79987b-LAX | 0.00% |
| 5a1e89458828d392-LAX | 0.00% |