<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">

  <!-- Homepage — highest priority, core conversion entry point -->
  <url>
    <loc>https://www.immunespan.com/</loc>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Analyzer — primary paid conversion page -->
  <url>
    <loc>https://www.immunespan.com/analyze.html</loc>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Pricing — high-intent commercial page -->
  <url>
    <loc>https://www.immunespan.com/pricing.html</loc>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Science — authority/trust page, NLR/inflammaging/NHANES keyword cluster -->
  <url>
    <loc>https://www.immunespan.com/science.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- About — E-E-A-T authority, founder credibility -->
  <url>
    <loc>https://www.immunespan.com/about.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Compliance — trust signal, FDA General Wellness Policy keyword -->
  <url>
    <loc>https://www.immunespan.com/compliance.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Press Kit — E-E-A-T trust signal, media credibility -->
  <url>
    <loc>https://www.immunespan.com/press.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <lastmod>2026-04-05</lastmod>
  </url>

  <!-- Privacy — trust signal, zero-knowledge architecture keyword -->
  <url>
    <loc>https://www.immunespan.com/privacy.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.4</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Terms -->
  <url>
    <loc>https://www.immunespan.com/terms.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.3</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Science Hub / Blog Index -->
  <url>
    <loc>https://www.immunespan.com/blog/</loc>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: What Is NLR — high-traffic keyword target -->
  <url>
    <loc>https://www.immunespan.com/blog/what-is-nlr.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: Inflammaging Explained — core concept keyword -->
  <url>
    <loc>https://www.immunespan.com/blog/inflammaging-explained.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: Immune Age vs Biological Age — longevity comparison keyword -->
  <url>
    <loc>https://www.immunespan.com/blog/immune-age-vs-biological-age.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: Biohacking with CBC — biohacker audience keyword -->
  <url>
    <loc>https://www.immunespan.com/blog/biohacking-cbc-blood-work.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: RDW and Aging — undercompeted longevity biomarker keyword -->
  <url>
    <loc>https://www.immunespan.com/blog/rdw-aging-longevity.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: Longevity Blood Work Panel — high commercial intent keyword -->
  <url>
    <loc>https://www.immunespan.com/blog/longevity-blood-work-panel.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: NHANES Reference Ranges — scientific authority keyword -->
  <url>
    <loc>https://www.immunespan.com/blog/nhanes-reference-ranges.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

  <!-- Blog: Immune Archetypes Guide — unique product keyword -->
  <url>
    <loc>https://www.immunespan.com/blog/immune-archetypes-guide.html</loc>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
    <lastmod>2026-04-04</lastmod>
  </url>

</urlset>
