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.xml

@@ -35,6 +35,7 @@
   <url><loc>https://ukdataservices.co.uk/services/financial-data-services</loc><lastmod>2026-03-08</lastmod><changefreq>weekly</changefreq></url>
   <url><loc>https://ukdataservices.co.uk/services/price-monitoring</loc><lastmod>2026-03-08</lastmod><changefreq>weekly</changefreq></url>
   <url><loc>https://ukdataservices.co.uk/services/property-data-extraction</loc><lastmod>2026-03-08</lastmod><changefreq>weekly</changefreq></url>
+  <url><loc>https://ukdataservices.co.uk/services/web-scraping-companies</loc><lastmod>2026-03-08</lastmod><changefreq>monthly</changefreq></url>
   <url><loc>https://ukdataservices.co.uk/services/data-scraping</loc><lastmod>2026-03-08</lastmod><changefreq>monthly</changefreq></url>
   <url><loc>https://ukdataservices.co.uk/services/web-scraping</loc><lastmod>2026-03-08</lastmod><changefreq>weekly</changefreq></url>
   <url><loc>https://ukdataservices.co.uk/terms-of-service</loc><lastmod>2026-03-08</lastmod><changefreq>weekly</changefreq></url>