Compare this self promoting tweet with this other self promoting tweet1, one of them has the image in and the other doesn't. You really do need all this:
<meta name="twitter:card" content="summary">
<meta name="twitter:site" content="@pauly">
<meta name="twitter:creator" content="@pauly">
<meta name="twitter:url" content="http://www.clarkeology.com/2020/05/06/popex-got-graphs">
<meta name="twitter:title" content="popEx got graphs">
<meta name="twitter:description" content="Couple of important steps for popex today. I have twenty automated traders buying and selling all day and it's not broken anything. I have graphs of the price changes these traders are affecting! I k…">
<meta name="twitter:image" content="http://www.clarkeology.com/img/2020/05/_bw-2020-05-06-popex-got-graphs-Screenshot-2020-05-06-at-22.25.16.png">I might try it without the description next, as it's idential to the meta description:
<meta name="Description" content="Couple of important steps for popex today. I have twenty automated traders buying + selling all day and it's not broken something. I have graphs of the price changes these traders are affecting! I k…" />and I don't like have any unneccessary weight in the page.
Paul Clarke's weblog - I live in A small town, Kent. Wed to Clare + dad to two, I am a full-stack web engineer, + I do javascript / nodejs, some ruby, other languages ect ect. I like pubs, running, eating, home-automation + other diy stuff, history, genealogy, TV, squirrels, pirates, lego, + time travel.