https://vnl2.leaint.comPractical programming guides to Go, HTML, and CSS.enFri, 30 Oct 2026 12:00:00 GMThttps://vnl2.leaint.com/guides/go-http-server/https://vnl2.leaint.com/guides/go-http-server/Start with the standard library. Add a route, return JSON, and give every request a sensible time limit.Gohttps://vnl2.leaint.com/guides/go-errors/https://vnl2.leaint.com/guides/go-errors/Return useful errors from the place where something failed, and handle them where a decision can be made.Gohttps://vnl2.leaint.com/guides/go-handler-tests/https://vnl2.leaint.com/guides/go-handler-tests/Use httptest to verify the contract a caller sees: status, headers, and response data.Gohttps://vnl2.leaint.com/guides/html-semantic-page/https://vnl2.leaint.com/guides/html-semantic-page/A practical document outline with landmarks, headings, and links that still works before you add CSS.HTMLhttps://vnl2.leaint.com/guides/html-accessible-forms/https://vnl2.leaint.com/guides/html-accessible-forms/Labels, input types, and useful validation are a better starting point than a clever floating placeholder.HTMLhttps://vnl2.leaint.com/guides/html-images/https://vnl2.leaint.com/guides/html-images/Set dimensions, describe the useful content, and let the browser pick an appropriately sized source.HTMLhttps://vnl2.leaint.com/guides/css-responsive-grid/https://vnl2.leaint.com/guides/css-responsive-grid/Let the available space decide the number of columns, then use media queries for the exceptions.CSShttps://vnl2.leaint.com/guides/css-readable-type/https://vnl2.leaint.com/guides/css-readable-type/Line length, line height, and spacing do more for a reading page than a long list of fonts.CSShttps://vnl2.leaint.com/guides/css-focus-states/https://vnl2.leaint.com/guides/css-focus-states/Make keyboard navigation visible without making every mouse click look like an error.CSS