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  <!-- Interactive Tools -->
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  <url>
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  <!-- Articles Index -->
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  <!-- Featured Articles -->
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  <!-- VPN & Privacy Series -->
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  <!-- Beginner Guides -->
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  <url>
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  <!-- Problem Solver Articles -->
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  <!-- Technical Deep Dives -->
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    <priority>0.7</priority>
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  <url>
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  <!-- Static Pages -->
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    <loc>https://check.systems/about.php</loc>
    <lastmod>2026-05-27</lastmod>
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  <url>
    <loc>https://check.systems/privacy.php</loc>
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    <priority>0.5</priority>
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  <url>
    <loc>https://check.systems/terms.php</loc>
    <lastmod>2026-05-27</lastmod>
    <changefreq>monthly</changefreq>
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