X-Server-Upstream
HTTP response headerHeader usage statistics
X-Server-Upstream response header information and usage statistics.| Websites using header X-Server-Upstream | 528 |
| Percentage of websites that use X-Server-Upstream header | <0.1% |
| Total discovered header values | 16 |
| Header uses directives | No |
| Header values are unique or random | No |
| Most popular in the country | 
United States of America
|
Distribution by websites popularity
X-Server-Upstream detection in the top websites by popularity| Top 10k sites | 0 websites |
| Top 100k sites | 1 websites |
| Top 1m sites | 111 websites |
Websites utilizing X-Server-Upstream
List of websites that use X-Server-Upstream header| Domain | Country | Rank | Contacts |
|---|---|---|---|
|
|
United States of America
|
31,558 | |
|
|
United States of America
|
132,392 | |
|
|
United States of America
|
161,749 | |
|
|
United States of America
|
169,061 | |
|
|
United States of America
|
178,489 | |
|
|
United States of America
|
187,856 |
Geographical Distribution
Header usage distribution by websites across the globe.Common header values
List of top common X-Server-Upstream header values| Header value | Value prevalence |
|---|---|
| kpe1-webpag-a01 | 28.22% |
| kpe1-webpag-d01 | 26.14% |
| kpe1-webpag-b01 | 23.86% |
| kpe1-webpag-d02 | 7.39% |
| kpe1-webpag-d03 | 2.65% |
| kpe1-webpag-a03 | 2.08% |
| kpe1-webapp-d01 | 1.89% |
| kpe1-webpage-b03 | 1.89% |
| kpe1-webapp-a01 | 1.70% |
| kpe1-webpag-a02 | 1.52% |
| kpe1-webpag-b02 | 1.52% |
| kpe1-webapp-a03 | 0.38% |
| kpe1-webapp-b02 | 0.19% |
| kpe1-webapp-b04 | 0.19% |
| kpe1-webapp-d04 | 0.19% |
| WEB01A | 0.19% |