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

index.php

@@ -586,6 +586,7 @@ $twitter_card_image = "https://ukdataservices.co.uk/assets/images/ukds-social-ca
                         <li><a href="/blog/articles/retail-price-monitoring-strategies">Promotional intelligence</a> & pricing strategy analysis</li>
                         <li><a href="/blog/categories/compliance">GDPR-compliant</a> data collection processes</li>
                         <li>Real-time market monitoring and alert systems</li>
+                        <li><a href="/services/data-scraping">Data scraping services</a> — APIs, documents, and databases</li>
                     </ul>
                 </div>
                 
@@ -1127,6 +1128,7 @@ $twitter_card_image = "https://ukdataservices.co.uk/assets/images/ukds-social-ca
                         <li><a href="/services/competitive-intelligence">Competitive Intelligence</a></li>
                         <li><a href="/services/price-monitoring">Price Monitoring</a></li>
                         <li><a href="/services/data-cleaning">Data Cleaning</a></li>
+                        <li><a href="/services/data-scraping">Data Scraping</a></li>
                         <li><a href="#services">All Services</a></li>
                     </ul>
                 </div>