<p><span class="h-card" translate="no"><a href="https://mastodon.acm.org/@liyao" class="u-url mention">@<span>liyao</span></a></span> <span class="h-card" translate="no"><a href="https://recurse.social/@lindsey" class="u-url mention">@<span>lindsey</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@bangbangcon" class="u-url mention">@<span>bangbangcon</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.acm.org/@pldi" class="u-url mention">@<span>pldi</span></a></span> You could do it with two different Firefox containers (which is still two tabs) if you use the Multi-Account Containers extension (which is admittedly a bit fiddly, but gets the job done)</p>