Fix sql queries

Author: burakguneli

sql/2025/sustainability/cdn_adoption.sql

@@ -6,7 +6,7 @@ SELECT
   total,
   IF(cdn = '', 'No CDN', cdn) AS cdn,
   COUNT(0) AS freq,
-  COUNT(0) / total AS pct
+  ROUND(100 * COUNT(0) / total, 2) AS pct
 FROM (
   SELECT
     client,

sql/2025/sustainability/content-visibility.sql

@@ -45,7 +45,7 @@ content_visibility_pages AS (
     COUNT(DISTINCT root_page) AS pages_with_content_visibility
   FROM
     `httparchive.crawl.parsed_css`,
-    UNNEST(HASCONTENTVISIBILITY(css))
+    UNNEST(HASCONTENTVISIBILITY(TO_JSON_STRING(css)))
   WHERE
     date = '2025-06-01' AND
     is_root_page