One of the little feature of reader mode I love is, if you time it correctly (before loading all javascript of the page) you can skip a lot of prompts ( subscribe to read / monthly limit reached and so on )
The workaround was to whitelist Google's spider ips and remove the paywall for those but with the progress of other search engine / social nets it's more complicated to paywall without hurting SEO.
Isn't that against Google's own policies? I think they call it cloaking.
I'm aware that HN has multiple levels of penalties applied to sites / domains, for various reasons. Users may also flag inaccessible content. (I certainly do.)
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Notes:
1. If you've determined that "etc." is doing much heavy lifting here, congratulations. The resources listed are highly encouraged.
Though I guess this extension is less useful now that many sites are purposely breaking reader mode.