acs.org
Mixed
Results vary across acs.org: of 20 URLs tested, 1 is blocked, 18 load normally and 1 has no conclusive recent result. The Great Firewall silently drops its packets so requests time out. 553 tests have been run under this domain since 2011-10-26, the most recent on 2026-07-04.
The site itself
http://acs.orgas of 2026Not blockedhttps://acs.orgNot enough datahttp://www.acs.orgNot blockedPages and subdomains (17)
https://acs.org/pressroom/tiny-matters/Not blockedhttp://pubs.acs.orgas of 2025Not blockedhttps://sso.acs.orgas of 2026Not blockedhttps://pubs.acs.orgas of 2026Not blockedhttp://global.acs.orgas of 2026Not blockedhttps://global.acs.orgNot blockedhttps://assets.acs.orgNot blockedhttp://symposium.acs.orgas of 2026Not blockedhttps://swebanalytics.acs.orgNot blockedhttp://cen.acs.org/index.htmlas of 2026Not blockedhttp://pubs.acs.org/journal/jacsatas of 2026Not blockedhttps://www.acs.org/content/acs/en.htmlNot blockedhttp://pubs.acs.org/doi/abs/10.1021/bi1016167as of 2026Not blockedhttp://cen.acs.org/articles/93/i45/Learning-Love-CO2.htmlNot blockedhttps://testpubschina.acs.org/doi/pdf/10.1021/acsenergylett.8b00889Blockedhttps://cen.acs.org/collections/chemistry-in-pictures/submit-your-photo-cn.htmlNot blockedhttps://join.acs.org/eweb/ACSOMATemplate.aspx?site=ACS_OMA&WebCode=CreateAccountas of 2026Not blockedAbout acs.org and the Great Firewall
Results vary across acs.org: of 20 URLs tested, 1 is blocked, 18 load normally and 1 has no conclusive recent result. The Great Firewall silently drops its packets so requests time out. 553 tests have been run under this domain since 2011-10-26, the most recent on 2026-07-04.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks acs.org. GreatFire runs GreatFire VPN; the Analyzer also tests the domains of many VPN and proxy providers, so you can check whether one is reachable before relying on it.
Elsewhere on the site
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.