wikibooks.org
Mostly blocked
20 of the 21 URLs we have a verdict for under wikibooks.org are blocked in mainland China; 1 are not. The site itself, https://wikibooks.org, is blocked. The Great Firewall silently drops its packets so requests time out, poisons its DNS and resets the connection. 798 tests have been run under this domain since 2012-05-08, the most recent on 2026-08-07.
The site itself
http://wikibooks.orgas of 2026Blockedhttps://wikibooks.orgBlockedhttp://www.wikibooks.orgIntermittenthttps://www.wikibooks.orgas of 2026BlockedPages and subdomains (17)
http://zh.wikibooks.orgas of 2026Blockedhttp://en.wikibooks.orgBlockedhttp://za.wikibooks.orgBlockedhttps://zh.wikibooks.orgBlockedhttps://ug.wikibooks.orgas of 2026Blockedhttps://en.wikibooks.orgBlockedhttp://zh.m.wikibooks.orgas of 2026Blockedhttp://en.m.wikibooks.orgas of 2026Blockedhttps://zh.m.wikibooks.orgas of 2026Blockedhttps://en.m.wikibooks.orgBlockedhttp://zh-min-nan.wikibooks.orgas of 2026Blockedhttp://fr.wikibooks.org/wiki/Accueilas of 2026Blockedhttps://en.m.wikibooks.org/wiki/X86_Assembly/GAS_SyntaxBlockedhttps://zh.wikibooks.org/wiki/Wikibooks%3A%E9%A6%96%E9%A1%B5as of 2026Blockedhttps://zh.wikibooks.org/wiki/Wikibooks%3A%E4%B8%AD%E5%AD%A6Blockedhttp://en.wikibooks.org/wiki/Transwiki%3ABypassing_the_Great_Firewall_of_Chinaas of 2026Blockedhttps://zh.wikibooks.org/zh-cn/%E7%AA%81%E7%A0%B4%E7%BD%91%E7%BB%9C%E5%AE%A1%E6%9F%A5as of 2026BlockedAbout wikibooks.org and the Great Firewall
20 of the 21 URLs we have a verdict for under wikibooks.org are blocked in mainland China; 1 are not. The site itself, https://wikibooks.org, is blocked. The Great Firewall silently drops its packets so requests time out, poisons its DNS and resets the connection. 798 tests have been run under this domain since 2012-05-08, the most recent on 2026-08-07.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks wikibooks.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
Most-blocked .org domainsEvery tested URL under wikibooks.org
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.