While I agree that in new design headers are more recognizable as clickable links, I still find "Read more" link being useful (after reading the article paragraph).
Regarding adding name and photo - I think it's a personal taste :) Personally I don't feel a need to have them on the main blog page, but if you like it - please do, to give the blog a bit of personality. With name and photo the blog will probably feel more personal - written for those people who know you (either IRL or online). And without - the blog feels more like designed to be a thing by itself. Although note that it's my personal opinion, which might change tomorrow morning :)
Regarding tags - note that you can see "main page with tags" at https://incoherency.co.uk/blog2/tags/all.html :) Wonder how much heavier it makes the page look. Maybe hide it behind some "show tags" link?
Also check the <title> tag of the main page - I'm not sure if it was your intention to name the page "incoherency - ", but for me it looks kinda broken (something's missing on the right side of "-"), so maybe call it something like "incoherency - all posts"?