This is the official Wikimedia Foundation status page for the whole of Wikipedia, so it's a reliable primary source.
Actually, usage of primary sources is kinda complicated [0], generally Wikipedia prefers secondary and tertiary sources.
[0] https://en.wikipedia.org/wiki/Wikipedia:No_original_research...
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Actually, usage of primary sources is kinda complicated [0], generally Wikipedia prefers secondary and tertiary sources.
[0] https://en.wikipedia.org/wiki/Wikipedia:No_original_research...