<?xml version="1.0" encoding="UTF-8"?>
<!-- @updated 2026-07-12 -->
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
        http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">

    <url>
        <loc>https://www.vocabkeep.com/</loc>
        <lastmod>2026-07-12</lastmod>
        <changefreq>daily</changefreq>
        <priority>1.0</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/pricing.php</loc>
        <lastmod>2026-07-09</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.9</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/updates.php</loc>
        <lastmod>2026-01-09</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.8</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/learning/library_select.php</loc>
        <lastmod>2026-07-09</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.8</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/</loc>
        <lastmod>2026-07-12</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.8</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/about.php</loc>
        <lastmod>2026-07-12</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/contact.php</loc>
        <lastmod>2026-07-04</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/tag/%E4%BA%A7%E5%93%81%E4%BB%8B%E7%BB%8D</loc>
        <lastmod>2026-07-12</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/tag/%E8%AE%BE%E8%AE%A1%E5%93%B2%E5%AD%A6</loc>
        <lastmod>2026-07-10</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/2</loc>
        <lastmod>2026-07-10</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/1</loc>
        <lastmod>2026-07-10</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/key-logic-upgrade-behind-vocabkeep-example-system</loc>
        <lastmod>2026-07-12</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/SpacedRepetitionFailureAnalysis202604</loc>
        <lastmod>2026-07-12</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/advantages-of-vocabkeep20260418</loc>
        <lastmod>2026-07-10</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/fsrs-algorithm-and-weights-deep-dive</loc>
        <lastmod>2026-07-10</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/vocabkeep-user</loc>
        <lastmod>2026-07-12</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/vocabkeep-changelog-history</loc>
        <lastmod>2026-07-10</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
    <url>
        <loc>https://www.vocabkeep.com/blog/design-philosophy20260415</loc>
        <lastmod>2026-07-10</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.7</priority>
    </url>
</urlset>