diff --git a/internal/monitor/history.go b/internal/monitor/history.go
index 1049e04..69a7f4d 100644
--- a/internal/monitor/history.go
+++ b/internal/monitor/history.go
@@ -2,7 +2,7 @@ package monitor
 
 import "time"
 
-const maxHistoryLen = 30
+const maxHistoryLen = 60
 
 type SiteHistory struct {
 	Latencies   []time.Duration
diff --git a/internal/tui/tab_sites.go b/internal/tui/tab_sites.go
index ffd50dc..9417d9c 100644
--- a/internal/tui/tab_sites.go
+++ b/internal/tui/tab_sites.go
@@ -211,8 +211,8 @@ func (m Model) dynamicWidths() (nameW, sparkW int) {
 	if sparkW < 10 {
 		sparkW = 10
 	}
-	if sparkW > 40 {
-		sparkW = 40
+	if sparkW > 60 {
+		sparkW = 60
 	}
 	return
 }