Fixed bounce rate calculation.

components/metrics/MetricsBar.js

@@ -35,7 +35,7 @@ export default function MetricsBar({ websiteId, startDate, endDate, className })
       <MetricCard label="Visitors" value={uniques} format={formatFunc} />
       <MetricCard
         label="Bounce rate"
-        value={uniques ? (bounces / uniques) * 100 : 0}
+        value={pageviews ? (bounces / pageviews) * 100 : 0}
         format={n => Number(n).toFixed(0) + '%'}
       />
       <MetricCard

lib/queries.js

@@ -236,7 +236,7 @@ export function getMetrics(website_id, start_at, end_at) {
       `
       select sum(t.c) as "pageviews",
         count(distinct t.session_id) as "uniques",
-        sum(case when t.c = 1 then t.c else 0 end) as "bounces",
+        sum(case when t.c = 1 then 1 else 0 end) as "bounces",
         sum(t.time) as "totaltime"
       from (
          select session_id,
@@ -260,7 +260,7 @@ export function getMetrics(website_id, start_at, end_at) {
       `
       select sum(t.c) as "pageviews",
         count(distinct t.session_id) as "uniques",
-        sum(case when t.c = 1 then t.c else 0 end) as "bounces",
+        sum(case when t.c = 1 then 1 else 0 end) as "bounces",
         sum(t.time) as "totaltime"
       from (
          select session_id,