diff --git a/pkg/api/collect.go b/pkg/api/collect.go
index bf35985..333371a 100644
--- a/pkg/api/collect.go
+++ b/pkg/api/collect.go
@@ -27,8 +27,8 @@ type Collector struct {
 }
 
 func NewCollector(store datastore.Datastore) *Collector {
-	bufferCap := 90                         // persist every 90 pageviews, see https://github.com/usefathom/fathom/issues/132
-	bufferTimeout := 900 * time.Millisecond // or every 900 ms, whichever comes first
+	bufferCap := 100                         // persist every 100 pageviews, see https://github.com/usefathom/fathom/issues/132
+	bufferTimeout := 1000 * time.Millisecond // or every 1000 ms, whichever comes first
 
 	c := &Collector{
 		Store:     store,
@@ -59,10 +59,8 @@ func (c *Collector) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		IsNewVisitor:   q.Get("nv") == "1",
 		IsNewSession:   q.Get("ns") == "1",
 		IsUnique:       q.Get("u") == "1",
-		IsBounce:       q.Get("b") != "0",
 		Referrer:       parseReferrer(q.Get("r")),
 		IsFinished:     false,
-		Duration:       0,
 		Timestamp:      now,
 	}
 
@@ -138,8 +136,7 @@ func (c *Collector) worker(cap int, timeout time.Duration) {
 }
 
 func (c *Collector) buffer(p *models.Pageview) int {
-	// a bounce is always an insert
-	if p.IsBounce {
+	if !p.IsFinished {
 		c.inserts[c.sizei] = p
 		c.sizei++
 	} else {
diff --git a/pkg/datastore/sqlstore/pageviews.go b/pkg/datastore/sqlstore/pageviews.go
index ba11b9f..692853e 100644
--- a/pkg/datastore/sqlstore/pageviews.go
+++ b/pkg/datastore/sqlstore/pageviews.go
@@ -4,6 +4,7 @@ import (
 	"strings"
 	"time"
 
+	log "github.com/sirupsen/logrus"
 	"github.com/usefathom/fathom/pkg/models"
 )
 
@@ -20,7 +21,8 @@ func (db *sqlstore) GetPageview(id string) (*models.Pageview, error) {
 	return result, nil
 }
 
-// InsertPageviews inserts multiple pageviews using a single INSERT statement
+// InsertPageviews bulks-insert multiple pageviews using a single INSERT statement
+// IMPORTANT: This does not insert the actual IsBounce, Duration and IsFinished values
 func (db *sqlstore) InsertPageviews(pageviews []*models.Pageview) error {
 	n := len(pageviews)
 	if n == 0 {
@@ -28,7 +30,7 @@ func (db *sqlstore) InsertPageviews(pageviews []*models.Pageview) error {
 	}
 
 	// generate placeholders string
-	placeholderTemplate := "(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?),"
+	placeholderTemplate := "(?, ?, ?, ?, ?, ?, ?, ?, ?, FALSE, FALSE, 0),"
 	placeholders := strings.Repeat(placeholderTemplate, n)
 	placeholders = placeholders[:len(placeholders)-1]
 	nPlaceholders := strings.Count(placeholderTemplate, "?")
@@ -40,6 +42,12 @@ func (db *sqlstore) InsertPageviews(pageviews []*models.Pageview) error {
 	// overwrite nil values in slice
 	j := 0
 	for i := range pageviews {
+
+		// test for columns with ignored values
+		if pageviews[i].IsBounce != false || pageviews[i].Duration > 0 || pageviews[i].IsFinished != false {
+			log.Warnf("inserting pageview with invalid column values for bulk-insert")
+		}
+
 		j = i * nPlaceholders
 		values[j] = pageviews[i].ID
 		values[j+1] = pageviews[i].SiteTrackingID
@@ -48,14 +56,12 @@ func (db *sqlstore) InsertPageviews(pageviews []*models.Pageview) error {
 		values[j+4] = pageviews[i].IsNewVisitor
 		values[j+5] = pageviews[i].IsNewSession
 		values[j+6] = pageviews[i].IsUnique
-		values[j+7] = pageviews[i].IsBounce
-		values[j+8] = pageviews[i].Referrer
-		values[j+9] = pageviews[i].Duration
-		values[j+10] = pageviews[i].Timestamp
+		values[j+7] = pageviews[i].Referrer
+		values[j+8] = pageviews[i].Timestamp
 	}
 
 	// string together query & execute with values
-	query := `INSERT INTO pageviews(id, site_tracking_id, hostname, pathname, is_new_visitor, is_new_session, is_unique, is_bounce, referrer, duration, timestamp) VALUES ` + placeholders
+	query := `INSERT INTO pageviews(id, site_tracking_id, hostname, pathname, is_new_visitor, is_new_session, is_unique, referrer, timestamp, is_bounce, is_finished, duration) VALUES ` + placeholders
 	query = db.Rebind(query)
 	_, err := db.Exec(query, values...)
 	if err != nil {
@@ -66,7 +72,7 @@ func (db *sqlstore) InsertPageviews(pageviews []*models.Pageview) error {
 }
 
 // UpdatePageviews updates multiple pageviews using a single transaction
-// Please note that this function only updates the IsBounce and Duration properties
+// IMPORTANT: this function only updates the IsFinished, IsBounce and Duration values
 func (db *sqlstore) UpdatePageviews(pageviews []*models.Pageview) error {
 	if len(pageviews) == 0 {
 		return nil