diff --git a/README.md b/README.md
index e5732d6..68ea7bb 100644
--- a/README.md
+++ b/README.md
@@ -113,9 +113,9 @@ Optional API protection tuning:
 ```sh
 API_CACHE_TTL_MS=15000
 PUBLIC_DATA_CACHE_DIR=~/tsswebstorage/public-data
-PUBLIC_DATA_CACHE_FRESH_MS=60000
+PUBLIC_DATA_CACHE_FRESH_MS=300000
 PUBLIC_DATA_CACHE_STALE_MS=86400000
-PUBLIC_DATA_PREWARM_INTERVAL_MS=60000
+PUBLIC_DATA_PREWARM_INTERVAL_MS=300000
 API_RATE_LIMIT_WINDOW_MS=60000
 API_RATE_LIMIT_MAX=120
 ```
diff --git a/example.env b/example.env
index d14e602..a4ac672 100644
--- a/example.env
+++ b/example.env
@@ -34,9 +34,9 @@ ANALYTICS_ACTIVE_WINDOW_SECONDS=75
 
 API_CACHE_TTL_MS=15000
 PUBLIC_DATA_CACHE_DIR=~/tsswebstorage/public-data
-PUBLIC_DATA_CACHE_FRESH_MS=60000
+PUBLIC_DATA_CACHE_FRESH_MS=300000
 PUBLIC_DATA_CACHE_STALE_MS=86400000
-PUBLIC_DATA_PREWARM_INTERVAL_MS=60000
+PUBLIC_DATA_PREWARM_INTERVAL_MS=300000
 API_RATE_LIMIT_WINDOW_MS=60000
 API_RATE_LIMIT_MAX=120
 
diff --git a/server.cjs b/server.cjs
index 80416d5..9af838a 100644
--- a/server.cjs
+++ b/server.cjs
@@ -51,7 +51,7 @@ const API_CACHE_TTL_MS = Number(process.env.API_CACHE_TTL_MS || 15000)
 const PUBLIC_DATA_CACHE_DIR = path.resolve(
   expandHome(process.env.PUBLIC_DATA_CACHE_DIR || path.join(UPTIME_STORAGE_DIR, 'public-data')),
 )
-const PUBLIC_DATA_CACHE_FRESH_MS = Number(process.env.PUBLIC_DATA_CACHE_FRESH_MS || 60 * 1000)
+const PUBLIC_DATA_CACHE_FRESH_MS = Number(process.env.PUBLIC_DATA_CACHE_FRESH_MS || 5 * 60 * 1000)
 const PUBLIC_DATA_CACHE_STALE_MS = Number(process.env.PUBLIC_DATA_CACHE_STALE_MS || 24 * 60 * 60 * 1000)
 const PUBLIC_DATA_PREWARM_INTERVAL_MS = Number(process.env.PUBLIC_DATA_PREWARM_INTERVAL_MS || PUBLIC_DATA_CACHE_FRESH_MS)
 const API_RATE_LIMIT_WINDOW_MS = Number(process.env.API_RATE_LIMIT_WINDOW_MS || 60000)