rubiconproject.com
Mixed
Results vary across rubiconproject.com: of 11 URLs tested, 1 is disrupted some of the time, 5 load normally and 5 have no conclusive recent result. 287 tests have been run under this domain since 2012-05-31, the most recent on 2026-07-29.
The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
The site itself
http://rubiconproject.comas of 2026Intermittenthttps://rubiconproject.comNot blockedPages and subdomains (9)
http://pixel.rubiconproject.comas of 2026Not blockedhttp://beacon-eu2.rubiconproject.comUnresolvablehttps://exapi-apac.rubiconproject.comas of 2025Not blockedhttp://beacon-eu-ams3.rubiconproject.comUnresolvablehttp://beacon-us-west.rubiconproject.comUnresolvablehttp://beacon-us-iad2.rubiconproject.comUnresolvablehttp://beacon-apac-hkg1.rubiconproject.comUnresolvablehttps://exapi-apac.rubiconproject.com/a/api/exchange.jsonNot blockedhttps://pixel.rubiconproject.com/exchange/sync.php?p=dfp&google_gid=XXXas of 2026Not blockedAbout rubiconproject.com and the Great Firewall
Results vary across rubiconproject.com: of 11 URLs tested, 1 is disrupted some of the time, 5 load normally and 5 have no conclusive recent result. 287 tests have been run under this domain since 2012-05-31, the most recent on 2026-07-29.
Plain HTTP and HTTPS differ here: http://rubiconproject.com is intermittent, https://rubiconproject.com is not blocked. The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
Elsewhere on the site
rubiconproject.com is ranked #191 among the world's most-visited domains (Tranco).
Sites of similar popularity:cnn.comvungle.comuserapi.comtaboola.com
Most-blocked .com domainsEvery tested URL under rubiconproject.com
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.