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

sitemap-services.xml

@@ -12,6 +12,13 @@
     </url>
 
     <!-- Service Pages -->
+    <url>
+        <loc>https://ukdataservices.co.uk/services/web-scraping-companies</loc>
+        <lastmod>2026-03-08</lastmod>
+        <changefreq>monthly</changefreq>
+        <priority>0.9</priority>
+    </url>
+
     <url>
         <loc>https://ukdataservices.co.uk/services/data-scraping</loc>
         <lastmod>2026-03-08</lastmod>