Emi Griffith
85e4e08f96
Sharing a Thermograph URL (Discord, Slack, iMessage…) now unfurls into a card with the site name, page title, description, accent color, and logo. - All five pages get description/theme-color/og:*/twitter:card meta and a favicon. og:url/og:image need absolute URLs and crawlers don't run JS, so pages carry an __ORIGIN__ placeholder the server fills in per request from X-Forwarded-Proto (Caddy) / scheme + the Host header + base path — correct on both the LAN dev server and the prod domain without hardcoding either. - New logo assets: the header's ▚ mark as an app icon (accent quadrants on the dark surface) — logo.png (512x512, the og:image) and logo.svg (favicon). - Page routes render the substitution with a weak ETag + 304 revalidation (replacing plain FileResponse) and now answer HEAD, which preview crawlers probe with (previously 404).
75 lines
3.4 KiB
HTML
75 lines
3.4 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>Thermograph — how unusual is your weather?</title>
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<meta name="description" content="Pick any point on Earth and see how its recent weather stacks up against ~45 years of local climate history — graded days, calendars, forecasts, and side-by-side comparisons." />
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<meta name="theme-color" content="#f0803c" />
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<!-- Link previews (Discord, Slack, iMessage…). The server fills the og:url /
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og:image origins in from this request's scheme://host + base path —
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crawlers need absolute URLs and don't run JS. -->
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<meta property="og:type" content="website" />
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<meta property="og:site_name" content="Thermograph" />
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<meta property="og:title" content="Thermograph — how unusual is your weather?" />
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<meta property="og:description" content="Pick any point on Earth and see how its recent weather stacks up against ~45 years of local climate history — graded days, calendars, forecasts, and side-by-side comparisons." />
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<meta property="og:url" content="__ORIGIN__/" />
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<meta property="og:image" content="__ORIGIN__/logo.png" />
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<meta property="og:image:width" content="512" />
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<meta property="og:image:height" content="512" />
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<meta property="og:image:alt" content="Thermograph logo" />
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<meta name="twitter:card" content="summary" />
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<link rel="icon" href="logo.svg" type="image/svg+xml" />
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<link rel="apple-touch-icon" href="logo.png" />
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
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<link rel="stylesheet" href="style.css" />
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</head>
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<body>
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<header>
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<div class="brand">
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<span class="logo">▚</span>
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<div>
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<h1>Thermograph</h1>
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<p class="tag">Grading today's weather against ~45 years of local climate history</p>
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</div>
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<nav class="view-nav" aria-label="Views">
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<a href="./" data-view="map" class="active">Weekly</a>
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<a href="calendar" data-view="calendar">Calendar</a>
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<a href="day" data-view="day">Day</a>
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<a href="compare" data-view="compare">Compare</a>
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</nav>
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</div>
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</header>
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<main>
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<section class="controls">
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<div class="find-bar">
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<button type="button" id="find-btn" class="find-btn"></button>
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<span id="loc-label" class="loc-label" hidden></span>
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</div>
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<div class="date-row">
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<label>Target date
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<input id="date-input" type="date" />
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</label>
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<button type="button" id="today-btn" class="today-chip" title="Reset the target date to today">Today</button>
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<span class="hint"><a href="legend">What do the grades mean? →</a></span>
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</div>
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</section>
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<section id="panel" class="panel panel-full">
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<div class="placeholder" id="placeholder">
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<p>Find a location to begin.</p>
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<p class="muted">Thermograph fetches decades of daily highs, lows, and precipitation
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for your ~4 sq mi cell, builds a ±7-day seasonal distribution for each
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day of the year, and grades recent weather by where it falls on that distribution.</p>
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</div>
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<div id="results" hidden></div>
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</section>
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</main>
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<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
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<script src="nav.js"></script>
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<script src="mappicker.js"></script>
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<script src="app.js"></script>
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</body>
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</html>
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