diff --git a/go.mod b/go.mod
index 040a265..e90bf03 100644
--- a/go.mod
+++ b/go.mod
@@ -43,13 +43,13 @@ require (
 	github.com/paulmach/go.geojson v1.4.0
 	github.com/posener/wstest v1.2.0
 	github.com/pquerna/otp v1.3.0
-	github.com/samber/lo v1.29.0
+	github.com/samber/lo v1.31.0
 	github.com/schollz/sqlite3dump v1.3.1
 	github.com/snabb/sitemap v1.0.0
 	github.com/spf13/cast v1.5.0
 	github.com/spf13/viper v1.13.0
 	github.com/stretchr/testify v1.8.0
-	github.com/tdewolff/minify/v2 v2.12.3
+	github.com/tdewolff/minify/v2 v2.12.4
 	// master
 	github.com/tkrajina/gpxgo v1.2.2-0.20220217201249-321f19554eec
 	github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80
@@ -59,7 +59,7 @@ require (
 	// master
 	github.com/yuin/goldmark-emoji v1.0.2-0.20210607094911-0487583eca38
 	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa
-	golang.org/x/net v0.0.0-20221002022538-bcab6841153b
+	golang.org/x/net v0.0.0-20221004154528-8021a29435af
 	golang.org/x/sync v0.0.0-20220929204114-8fcdb60fdcc0
 	golang.org/x/text v0.3.7
 	gopkg.in/yaml.v3 v3.0.1
diff --git a/go.sum b/go.sum
index e71d475..b66ad4c 100644
--- a/go.sum
+++ b/go.sum
@@ -429,8 +429,8 @@ github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFR
 github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
 github.com/rogpeppe/go-internal v1.8.1-0.20211023094830-115ce09fd6b4 h1:Ha8xCaq6ln1a+R91Km45Oq6lPXj2Mla6CRJYcuV2h1w=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/samber/lo v1.29.0 h1:sh95NCc0FLh/RU596UfoO5+iOnlLHpsGclmx52P9KN8=
-github.com/samber/lo v1.29.0/go.mod h1:it33p9UtPMS7z72fP4gw/EIfQB2eI8ke7GR2wc6+Rhg=
+github.com/samber/lo v1.31.0 h1:Sfa+/064Tdo4SvlohQUQzBhgSer9v/coGvKQI/XLWAM=
+github.com/samber/lo v1.31.0/go.mod h1:HLeWcJRRyLKp3+/XBJvOrerCQn9mhdKMHyd7IRlgeQ8=
 github.com/schollz/sqlite3dump v1.3.1 h1:QXizJ7XEJ7hggjqjZ3YRtF3+javm8zKtzNByYtEkPRA=
 github.com/schollz/sqlite3dump v1.3.1/go.mod h1:mzSTjZpJH4zAb1FN3iNlhWPbbdyeBpOaTW0hukyMHyI=
 github.com/scylladb/termtables v0.0.0-20191203121021-c4c0b6d42ff4/go.mod h1:C1a7PQSMz9NShzorzCiG2fk9+xuCgLkPeCvMHYR2OWg=
@@ -474,8 +474,8 @@ github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85 h1:zrsUcqrG2uQ
 github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85/go.mod h1:NzVQi3Mleb+qzq8VmcWpSkcSYxXIg0DkI6XDzpVkhJ0=
 github.com/tcnksm/go-httpstat v0.2.0 h1:rP7T5e5U2HfmOBmZzGgGZjBQ5/GluWUylujl0tJ04I0=
 github.com/tcnksm/go-httpstat v0.2.0/go.mod h1:s3JVJFtQxtBEBC9dwcdTTXS9xFnM3SXAZwPG41aurT8=
-github.com/tdewolff/minify/v2 v2.12.3 h1:YcwaWQ5Grdz6EMOSykHXnHY6hbkAu6mCdAJTBDV3c6A=
-github.com/tdewolff/minify/v2 v2.12.3/go.mod h1:h+SRvSIX3kwgwTFOpSckvSxgax3uy8kZTSF1Ojrr3bk=
+github.com/tdewolff/minify/v2 v2.12.4 h1:kejsHQMM17n6/gwdw53qsi6lg0TGddZADVyQOz1KMdE=
+github.com/tdewolff/minify/v2 v2.12.4/go.mod h1:h+SRvSIX3kwgwTFOpSckvSxgax3uy8kZTSF1Ojrr3bk=
 github.com/tdewolff/parse/v2 v2.6.4 h1:KCkDvNUMof10e3QExio9OPZJT8SbdKojLBumw8YZycQ=
 github.com/tdewolff/parse/v2 v2.6.4/go.mod h1:woz0cgbLwFdtbjJu8PIKxhW05KplTFQkOdX78o+Jgrs=
 github.com/tdewolff/test v1.0.7 h1:8Vs0142DmPFW/bQeHRP3MV19m1gvndjUb1sn8yy74LM=
@@ -624,8 +624,8 @@ golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211020060615-d418f374d309/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20221002022538-bcab6841153b h1:6e93nYa3hNqAvLr0pD4PN1fFS+gKzp2zAXqrnTCstqU=
-golang.org/x/net v0.0.0-20221002022538-bcab6841153b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/net v0.0.0-20221004154528-8021a29435af h1:wv66FM3rLZGPdxpYL+ApnDe2HzHcTFta3z5nsc13wI4=
+golang.org/x/net v0.0.0-20221004154528-8021a29435af/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
diff --git a/httpListener.go b/httpListener.go
index 6d0eb20..1b2f404 100644
--- a/httpListener.go
+++ b/httpListener.go
@@ -9,19 +9,19 @@ import (
 	"tailscale.com/client/tailscale"
 )
 
-func (a *goBlog) getTCPListener(s *http.Server) (net.Listener, error) {
+func (a *goBlog) getTCPListener(serverAddr string) (net.Listener, error) {
 	if a.tailscaleEnabled() {
 		// Tailscale listener
-		return a.getTailscaleListener(s.Addr)
-	} else if s.Addr == ":443" && a.cfg.Server.PublicHTTPS {
+		return a.getTailscaleListener(serverAddr)
+	} else if serverAddr == ":443" && a.cfg.Server.PublicHTTPS {
 		m := a.getAutocertManager()
 		if m == nil {
 			return nil, errors.New("autocert not initialized")
 		}
 		return a.getAutocertManager().Listener(), nil
-	} else if s.Addr == ":443" && a.cfg.Server.TailscaleHTTPS {
+	} else if serverAddr == ":443" && a.cfg.Server.TailscaleHTTPS {
 		// Listener with Tailscale TLS config
-		ln, err := net.Listen("tcp", s.Addr)
+		ln, err := net.Listen("tcp", serverAddr)
 		if err != nil {
 			return nil, err
 		}
@@ -32,12 +32,12 @@ func (a *goBlog) getTCPListener(s *http.Server) (net.Listener, error) {
 		}), nil
 	} else {
 		// Default
-		return net.Listen("tcp", s.Addr)
+		return net.Listen("tcp", serverAddr)
 	}
 }
 
 func (a *goBlog) listenAndServe(s *http.Server) error {
-	listener, err := a.getTCPListener(s)
+	listener, err := a.getTCPListener(s.Addr)
 	if err != nil {
 		return err
 	}
diff --git a/utils.go b/utils.go
index 7339611..d0b20c5 100644
--- a/utils.go
+++ b/utils.go
@@ -126,18 +126,21 @@ type stringGroup struct {
 }
 
 func groupStrings(toGroup []string) []stringGroup {
-	stringMap := map[string][]string{}
-	for _, s := range toGroup {
-		first := strings.ToUpper(string([]rune(s)[0]))
-		stringMap[first] = append(stringMap[first], s)
-	}
-	stringGroups := []stringGroup{}
-	for key, sa := range stringMap {
-		stringGroups = append(stringGroups, stringGroup{
-			Identifier: key,
-			Strings:    sortedStrings(sa),
-		})
-	}
+	// Group strings and map them to stringGroups
+	stringGroups := lo.MapToSlice(
+		// strings -> map
+		lo.GroupBy(toGroup, func(s string) string {
+			return strings.ToUpper(string([]rune(s)[0]))
+		}),
+		// map -> stringGroups
+		func(key string, strings []string) stringGroup {
+			return stringGroup{
+				Identifier: key,
+				Strings:    sortedStrings(strings),
+			}
+		},
+	)
+	// Sort stringGroups
 	sort.Slice(stringGroups, func(i, j int) bool {
 		return strings.ToLower(stringGroups[i].Identifier) < strings.ToLower(stringGroups[j].Identifier)
 	})
diff --git a/utils_test.go b/utils_test.go
index 6b28f4f..3076978 100644
--- a/utils_test.go
+++ b/utils_test.go
@@ -154,3 +154,16 @@ func Fuzz_lowerUnescaptedPath(f *testing.F) {
 		}
 	})
 }
+
+func Test_groupStrings(t *testing.T) {
+	strings := []string{"Aaaaaa", "Dddedddee", "Bbbbb", "anjkdhfkjshf", "hjgsfkjdhkfhskjdfh", "🚴🏼‍♀️ jhfjshkfjh"}
+	groups := groupStrings(strings)
+
+	assert.Len(t, groups, 5)
+
+	assert.Equal(t, "A", groups[0].Identifier)
+	assert.Equal(t, "B", groups[1].Identifier)
+	assert.Equal(t, "D", groups[2].Identifier)
+	assert.Equal(t, "H", groups[3].Identifier)
+	assert.Equal(t, "🚴", groups[4].Identifier)
+}