Shameless plug, but hopefully relevant enough: my directory and search engine for personal blogs[1] indexes over 1000 RSS feeds, and naturally lots of them are about engineering and software development. Full-text search is implemented with Typesense, and there are also "related" recommendations for each post, example [2].
Looks really nice! Any plan to add social aspect like comments, likes and such?
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I was surprised that I started reading one blog on your site, and it was badly written. Only afterwards below the text, did I notice it was a summary!
I'd advise to put it at the top, before the text, to let people know beforehand and not be caught off guard. Then you can have a big button saying "read full article in website" or something, to make it easy for people to see both options.