blur-up/blur-up.html at master · Danjohnsonnj/blur-up · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">

    <meta name="description" content="Sample implementation of blur-up progressive image loading.">

    <meta name="viewport" content="width=device-width, initial-scale=1">

    <title>Blur-up image loading</title>

    <link rel="stylesheet" href="./styles.css" />

  </head>

  <body>

    <div class="image-wrapper" style="
        background-image: url(./assets/thumbtest-gb5px-resize100-quality50.jpg);
        background-size: cover;
        background-position: 50% 50%;
        background-color: #a5a0a5;">
      <img srcset="
          ./assets/full-quality80-2500w.jpg?cache=1 2500w,
          ./assets/full-quality80-1500w.jpg?cache=1 1500w,
          ./assets/full-quality80-1000w.jpg?cache=1 1000w,
          ./assets/full-quality80-750w.jpg?cache=1 750w,
          ./assets/full-quality80-500w.jpg?cache=1 500w,
          ./assets/full-quality80-300w.jpg?cache=1 300w,
          ./assets/full-quality80-100w.jpg?cache=1 100w"
        sizes="100vw"
        alt="image"
        onload="this.style.opacity = 1;"
        />
    </div>

  </body>
</html>