diff --git a/sql/2025/page-weight/response_media_file_type.distribution.sql b/sql/2025/page-weight/response_media_file_type_distribution.sql
similarity index 100%
rename from sql/2025/page-weight/response_media_file_type.distribution.sql
rename to sql/2025/page-weight/response_media_file_type_distribution.sql
diff --git a/sql/2025/page-weight/use-efficient-cache-lifetimes.sql b/sql/2025/page-weight/use-efficient-cache-lifetimes.sql
new file mode 100644
index 00000000000..d92efd96314
--- /dev/null
+++ b/sql/2025/page-weight/use-efficient-cache-lifetimes.sql
@@ -0,0 +1,21 @@
+-- looks at the distribution of wasted bytes from resources identified by the Lighthouse "Use Efficient Cache Lifetimes" audit
+-- https://developer.chrome.com/docs/performance/insights/cache
+SELECT
+  percentile,
+  client,
+  is_root_page,
+  --get the wasted bytes from resources that could be cached longer, in KB
+  APPROX_QUANTILES((CAST(JSON_VALUE(lighthouse.audits['uses-long-cache-ttl'].numericValue) AS FLOAT64) / 1024), 1000)[OFFSET(percentile * 10)] AS wasted_kb
+FROM
+  `httparchive.crawl.pages`,
+  UNNEST([10, 25, 50, 75, 90, 100]) AS percentile
+WHERE
+  date = '2025-07-01'
+GROUP BY
+  percentile,
+  client,
+  is_root_page
+ORDER BY
+  client,
+  is_root_page,
+  percentile