Access-Control-Allow-Origin Directives (2 total)
- *
- null
Access-Control-Allow-Origin
HTTP response headerAllows restricted resources on a web page to be requested from another domain outside the domain from which the first resource was served (Indicates whether the response can be shared.)
Header usage statistics
Access-Control-Allow-Origin response header information and usage statistics.| Websites using header Access-Control-Allow-Origin | 2,571,592 |
| Percentage of websites that use Access-Control-Allow-Origin header | 2.58% |
| Total discovered header values | 10,001 |
| Header uses directives | Yes |
| Header values are unique or random | No |
| Most popular in the country | 
United States of America
|
Access-Control-Allow-Origin Directives
Access-Control-Allow-Origin directives value information and usage statistics| Directive | Share | Websites count | Unique Values |
|---|---|---|---|
| * | 86.73% | 2,230,219 | 1 |
| null | <0.1% | 1,818 | 1 |
Distribution by websites popularity
Access-Control-Allow-Origin detection in the top websites by popularity| Top 10k sites | 1,223 websites |
| Top 100k sites | 10,229 websites |
| Top 1m sites | 74,534 websites |
Websites utilizing Access-Control-Allow-Origin
List of websites that use Access-Control-Allow-Origin header| Domain | Country | Rank | Contacts |
|---|---|---|---|
|
|
Ireland
|
2 | |
|
|
United States of America
|
14 | |
|
|
United States of America
|
14 | |
|
|
United States of America
|
26 | |
|
|
United States of America
|
31 | |
|
|
United States of America
|
33 |
Flat price per the report, subscription is not required.
Geographical Distribution
Header usage distribution by websites across the globe.Common header values
List of top common Access-Control-Allow-Origin header values| Header value | Value prevalence |
|---|---|
| * | 86.60% |
| https://developer.cimpress.io | 3.00% |
| *.iyp.tw | 0.56% |
| https://img-fl.nccdn.net | 0.32% |
| cdn.kotisivukone.fi | 0.27% |
| https://pixieset.com | 0.25% |
| https://app.hu-manity.co | 0.22% |
| http://gammatesting.jdseller.com | 0.14% |
| https://s7.addthis.com | 0.12% |
| https://admin.thebase.in | 0.11% |
| https://park.101datacenter.net | 0.10% |
| undefined | 0.08% |
| https://imgur.com | 0.08% |
| null | 0.07% |
| http://www.wishpond.com, https://www.wishpond.com | 0.06% |
| https://img-to.nccdn.net | 0.06% |
| https://www.matthies.de | 0.06% |
| http://localhost:3000 | 0.05% |
| none | 0.05% |
| http://www.autoweb.co.uk | 0.05% |