diff --git a/api-users.go b/api-users.go
index cf77781..adaad24 100644
--- a/api-users.go
+++ b/api-users.go
@@ -902,9 +902,23 @@ func (app *appContext) AdminPasswordReset(gc *gin.Context) {
 	respondBool(204, true, gc)
 }
 
+// getActiveReferrals returns a map of jellyfin user IDs to their active referral "invite" code, if they have one.
+// It does not check if the user still exists, simply finding invites with the ReferrerJellyfinID field set.
+func (app *appContext) getActiveReferrals() map[string]string {
+	out := map[string]string{}
+	for _, inv := range app.storage.GetInvites() {
+		if inv.ReferrerJellyfinID == "" {
+			continue
+		}
+		out[inv.ReferrerJellyfinID] = inv.Code
+	}
+	return out
+}
+
 // userSummary generates a respUser for to be displayed to the user, or sorted/filtered.
 // also, consider it a source of which data fields/struct modifications need to trigger a cache invalidation.
-func (app *appContext) userSummary(jfUser mediabrowser.User) respUser {
+// referralCache can be passed to avoid querying the db each time this is called. It can be generated with app.getActiveReferrals().
+func (app *appContext) userSummary(jfUser mediabrowser.User, referralCache *map[string]string) respUser {
 	adminOnly := app.config.Section("ui").Key("admin_only").MustBool(true)
 	allowAll := app.config.Section("ui").Key("allow_all").MustBool(false)
 	referralsEnabled := app.config.Section("user_page").Key("referrals").MustBool(false)
@@ -944,10 +958,17 @@ func (app *appContext) userSummary(jfUser mediabrowser.User) respUser {
 	}
 	// FIXME: Send referral data
 	referrerInv := Invite{}
+	// FIXME: This is veeery slow when running an arm64 binary through qemu
 	if referralsEnabled {
 		// 1. Directly attached invite.
-		err := app.storage.db.FindOne(&referrerInv, badgerhold.Where("ReferrerJellyfinID").Eq(jfUser.ID))
-		if err == nil {
+		found := false
+		if referralCache != nil {
+			_, found = (*referralCache)[jfUser.ID]
+		} else {
+			err := app.storage.db.FindOne(&referrerInv, badgerhold.Where("IsReferral").Eq(true).And("ReferrerJellyfinID").Eq(jfUser.ID))
+			found = err == nil
+		}
+		if found {
 			user.ReferralsEnabled = true
 			// 2. Referrals via profile template. Shallow check, doesn't look for the thing in the database.
 		} else if email, ok := app.storage.GetEmailsKey(jfUser.ID); ok && email.ReferralTemplateKey != "" {
diff --git a/logmessages/logmessages.go b/logmessages/logmessages.go
index 333ab5b..4d537e2 100644
--- a/logmessages/logmessages.go
+++ b/logmessages/logmessages.go
@@ -328,6 +328,9 @@ const (
 
 	// webhooks.go
 	WebhookRequest = "Webhook request send to \"%s\" (%d): %v"
+
+	// usercache.go
+	CacheRefreshCompleted = "Usercache refreshed, %d in %.2fs (%f.2u/sec)"
 )
 
 const (
diff --git a/usercache.go b/usercache.go
index 35b13e2..8b9cd33 100644
--- a/usercache.go
+++ b/usercache.go
@@ -8,6 +8,8 @@ import (
 	"strings"
 	"sync"
 	"time"
+
+	lm "github.com/hrfee/jfa-go/logmessages"
 )
 
 const (
@@ -85,10 +87,12 @@ func (c *UserCache) MaybeSync(app *appContext) error {
 				status <- err
 				return
 			}
+			startTime := time.Now()
 			cache := make([]respUser, len(users))
 			labels := map[string]bool{}
+			referralCache := app.getActiveReferrals()
 			for i, jfUser := range users {
-				cache[i] = app.userSummary(jfUser)
+				cache[i] = app.userSummary(jfUser, &referralCache)
 				if cache[i].Label != "" {
 					labels[cache[i].Label] = true
 				}
@@ -101,6 +105,9 @@ func (c *UserCache) MaybeSync(app *appContext) error {
 			for label, _ := range labels {
 				labelSlice = append(labelSlice, label)
 			}
+			elapsed := time.Since(startTime).Seconds()
+			usersPerSec := float64(len(users)) / elapsed
+			app.debug.Printf(lm.CacheRefreshCompleted, len(users), elapsed, usersPerSec)
 			c.Cache = cache
 			c.Ref = ref
 			c.Sorted = false
diff --git a/users.go b/users.go
index e641ba4..f7b8f13 100644
--- a/users.go
+++ b/users.go
@@ -141,7 +141,7 @@ func (app *appContext) NewUserPostVerification(p NewUserParams) (out NewUserData
 
 	webhookURIs := app.config.Section("webhooks").Key("created").StringsWithShadows("|")
 	if len(webhookURIs) != 0 {
-		summary := app.userSummary(out.User)
+		summary := app.userSummary(out.User, nil)
 		for _, uri := range webhookURIs {
 			pendingTasks.Add(1)
 			go func() {