op.fi

Mixed

Results vary across op.fi: of 3 URLs tested, 2 are disrupted some of the time and 1 loads normally. 92 tests have been run under this domain since 2012-05-26, the most recent on 2026-08-21.

Plain HTTP and HTTPS differ here: http://op.fi is not blocked, https://op.fi is intermittent.

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.

3URLs tested
1accessible
92tests all-time
2012first tested
3 d agolast tested

The site itself

http://op.fias of 2026Not blockedhttps://op.fiIntermittenthttp://www.op.fias of 2026Intermittent

About op.fi and the Great Firewall

Is op.fi blocked in mainland China?

Results vary across op.fi: of 3 URLs tested, 2 are disrupted some of the time and 1 loads normally. 92 tests have been run under this domain since 2012-05-26, the most recent on 2026-08-21.

Why does http://op.fi behave differently from https://op.fi?

Plain HTTP and HTTPS differ here: http://op.fi is not blocked, https://op.fi is intermittent. 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 .fi domainsEvery tested URL under op.fi

Each URL's status is its verdict over the last 90 days, the same one its own page headlines.