SEO: fix 404 redirects, sitemap cleanup, canonical fix, internal links

- .htaccess: 301 redirect data-analytics-companies-london-top-providers → -compared
- .htaccess: 301 redirect gdpr-compliance-web-scraping-uk-guide → web-scraping-compliance-uk-guide
- sitemap.xml: remove redirecting /services/data-analytics entry
- sitemap.xml: remove duplicate real-time-analytics-streaming (2025) entry
- sitemap.xml: add locations/london, /manchester, /birmingham pages
- real-time-analytics-streaming.php: canonical → real-time-analytics-streaming-data (2026 version)
- data-analytics-companies-london-top-providers-compared.php: internal link to churn article
- python-data-pipeline-tools-2025.php: internal link to churn article
- real-time-analytics-streaming-data.php: internal link to churn article

sitemap.xml

@@ -42,12 +42,6 @@
     <changefreq>monthly</changefreq>
     <priority>0.8</priority>
 </url>
-<url>
-    <loc>https://ukdataservices.co.uk/services/data-analytics</loc>
-    <lastmod>2026-02-04T00:00:00+00:00</lastmod>
-    <changefreq>monthly</changefreq>
-    <priority>0.8</priority>
-</url>
 <url>
     <loc>https://ukdataservices.co.uk/services/property-data-extraction</loc>
     <lastmod>2026-02-04T00:00:00+00:00</lastmod>
@@ -229,12 +223,6 @@
     <changefreq>monthly</changefreq>
     <priority>0.7</priority>
 </url>
-<url>
-    <loc>https://ukdataservices.co.uk/blog/articles/real-time-analytics-streaming</loc>
-    <lastmod>2026-02-04T08:34:00+00:00</lastmod>
-    <changefreq>monthly</changefreq>
-    <priority>0.7</priority>
-</url>
 <url>
     <loc>https://ukdataservices.co.uk/blog/articles/real-time-data-extraction-technical-guide-uk-businesses</loc>
     <lastmod>2026-02-04T08:34:00+00:00</lastmod>
@@ -332,4 +320,24 @@
     <changefreq>monthly</changefreq>
     <priority>0.7</priority>
 </url>
+
+<!-- Location Pages -->
+<url>
+    <loc>https://ukdataservices.co.uk/locations/london</loc>
+    <lastmod>2026-02-20T00:00:00+00:00</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+</url>
+<url>
+    <loc>https://ukdataservices.co.uk/locations/manchester</loc>
+    <lastmod>2026-02-20T00:00:00+00:00</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+</url>
+<url>
+    <loc>https://ukdataservices.co.uk/locations/birmingham</loc>
+    <lastmod>2026-02-20T00:00:00+00:00</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+</url>
 </urlset>