SEO: freshen articles, internal links, comparison page

- predictive-analytics-customer-churn: title broadened for CTR
- web-scraping-compliance-uk-guide: modified date 2026, 2025->2026 in body/keywords
- python-data-pipeline-tools: last_modified updated to 2026-03-08
- index.php: data-scraping linked in services card and footer nav
- services/web-scraping.php: cross-link to data-scraping page
- New: services/web-scraping-companies.php comparison page (508 GSC impressions, pos 22)
- sitemaps: web-scraping-companies added

services/web-scraping.php

@@ -826,6 +826,13 @@ $breadcrumbs = [
         </div>
     </section>
 
+    <!-- Related Services -->
+    <section class="content-section" style="padding: 40px 0; background: #f8f9fa;">
+        <div class="container" style="text-align:center;">
+            <p style="color:#555; font-size:1.05rem;">Also see: <a href="/services/data-scraping" style="color:#144784; font-weight:600;">Data Scraping Services</a> — broader data collection covering APIs, documents and databases, not just websites.</p>
+        </div>
+    </section>
+
     <!-- CTA Section -->
     <section class="cta-section">
         <div class="container">