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19 lines
737 B
PHP
19 lines
737 B
PHP
<?php
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// First visit -> 5s, times match
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// Second visit -> instant, times don't match
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// … T+14 -> instant, times don't match
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// … T+15 (or 16) -> instant, times match (or almost)
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// Nothing for 30s -> 5s, times match
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header('Cache-Control: s-max-age=60, stale-while-revalidate=20');
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sleep(5);
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print('This is a slow test with data cached for 10s but updated smartly. ' . date('Y-m-d H:i:s'));
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?>
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<ul>
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<li><a href="./slow.php">Slow</a></li>
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<li><a href="./slow-but-fast.php">Slow but fast</a></li>
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<li><a href="./compromise.php">A good compromise to deal with slow pages fast</a></li>
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</ul>
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<p id="js-date"></p>
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<script type="text/javascript">
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document.getElementById('js-date').innerText = new Date().toISOString();
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</script>
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