I think this post and series will be useful for those needing to efficiently get a lot of data from the STEEM blockchain. For my limited uses, steem.js has been working fine.
<script src="https://cdn.jsdelivr.net/npm/steem/dist/steem.min.js"></script>
By the way, the link for Steem Pressure #7 seems broken. Here's where that post is:
Thank you, I just fixed that.
(I was shortening links and went too far with that ;-) )