title: Title of the post, sentence case, no trailing period author: @YourGithubHandle summary: One or two sentences. This is the index card, the meta description and the feed entry, so make it the reason to click rather than a restatement of the title.
Open with the concrete thing: the symptom, the number, the surprise. Not a preamble about how important performance is.
A heading
Body. Reference images by plain filename, they get rewritten:
Link to docs and other posts with absolute paths, never ../:
NOTE: callouts work here, as do mermaid diagrams, <?tabs> blocks and highlighted code fences.
Close with something the reader can run
A trace to open, a repo to clone, a query to paste.