semanticscholar.org
Mixed
Results vary across semanticscholar.org: of 6 URLs tested, 1 is disrupted some of the time and 5 load normally. 69 tests have been run under this domain since 2020-08-12, the most recent on 2026-09-02.
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://semanticscholar.orgIntermittenthttps://semanticscholar.orgas of 2026Not blockedhttps://www.semanticscholar.orgas of 2026Not blockedPages and subdomains (3)
https://api.semanticscholar.orgas of 2026Not blockedhttps://pdfs.semanticscholar.orgas of 2026Not blockedhttps://pdfs.semanticscholar.org/d916/28b88d1401e8a84751c9df53606df0694f79.pdfas of 2026Not blockedAbout semanticscholar.org and the Great Firewall
Results vary across semanticscholar.org: of 6 URLs tested, 1 is disrupted some of the time and 5 load normally. 69 tests have been run under this domain since 2020-08-12, the most recent on 2026-09-02.
Plain HTTP and HTTPS differ here: http://semanticscholar.org is intermittent, https://semanticscholar.org 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
Most-blocked .org domainsEvery tested URL under semanticscholar.org
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.