diff --git a/handler/artwork.go b/handler/artwork.go
index 0d6a149..23b32d7 100644
--- a/handler/artwork.go
+++ b/handler/artwork.go
@@ -14,7 +14,7 @@ func (p *PixivClient) GetArtworkImages(id string) ([]models.Image, error) {
 	var resp []models.ImageResponse
 	var images []models.Image
 
-	URL := fmt.Sprintf(ArtworkImagesURL, id)
+	URL := UrlSprintf(ArtworkImagesURL, id)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -44,7 +44,7 @@ func (p *PixivClient) GetArtworkImages(id string) ([]models.Image, error) {
 func (p *PixivClient) GetArtworkByID(id string) (*models.Illust, error) {
 	var images []models.Image
 
-	URL := fmt.Sprintf(ArtworkInformationURL, id)
+	URL := UrlSprintf(ArtworkInformationURL, id)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -175,7 +175,7 @@ func (p *PixivClient) GetArtworkComments(id string) ([]models.Comment, error) {
 		Comments []models.Comment `json:"comments"`
 	}
 
-	URL := fmt.Sprintf(ArtworkCommentsURL, id)
+	URL := UrlSprintf(ArtworkCommentsURL, id)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -195,7 +195,7 @@ func (p *PixivClient) GetRelatedArtworks(id string) ([]models.IllustShort, error
 		Illusts []models.IllustShort `json:"illusts"`
 	}
 
-	URL := fmt.Sprintf(ArtworkRelatedURL, id, 96)
+	URL := UrlSprintf(ArtworkRelatedURL, id, 96)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
diff --git a/handler/misc.go b/handler/misc.go
index 413fc71..34ef0cc 100644
--- a/handler/misc.go
+++ b/handler/misc.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
+	"net/url"
 	"strings"
 	"time"
 
@@ -37,7 +38,7 @@ func (p *PixivClient) GetNewestArtworks(worktype string, r18 string) ([]models.I
 	lastID := "0"
 
 	for i := 0; i < 10; i++ {
-		URL := fmt.Sprintf(ArtworkNewestURL, worktype, r18, lastID)
+		URL := UrlSprintf(ArtworkNewestURL, worktype, r18, lastID)
 
 		response, err := p.PixivRequest(URL)
 		if err != nil {
@@ -69,7 +70,7 @@ func (p *PixivClient) GetRanking(mode string, content string, date string, page
 		date = "&date=" + date
 	}
 
-	url := fmt.Sprintf(ArtworkRankingURL, mode, content, date, page)
+	url := UrlSprintf(ArtworkRankingURL, mode, content, date, page)
 
 	s, err := p.TextRequest(url)
 
@@ -88,7 +89,7 @@ func (p *PixivClient) GetRanking(mode string, content string, date string, page
 }
 
 func (p *PixivClient) GetSearch(artworkType string, name string, order string, age_settings string, page string) (*models.SearchResult, error) {
-	URL := fmt.Sprintf(SearchArtworksURL, artworkType, name, order, age_settings, page)
+	URL := UrlSprintf(SearchArtworksURL, artworkType, name, order, age_settings, page)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -132,7 +133,7 @@ func (p *PixivClient) GetDiscoveryArtwork(mode string, count int) ([]models.Illu
 
 		count -= itemsForRequest
 
-		URL := fmt.Sprintf(ArtworkDiscoveryURL, mode, itemsForRequest)
+		URL := UrlSprintf(ArtworkDiscoveryURL, mode, itemsForRequest)
 
 		response, err := p.PixivRequest(URL)
 		if err != nil {
@@ -217,3 +218,13 @@ func (p *PixivClient) GetRankingLog(mode string, year, month int, image_proxy st
 	}
 	return template.HTML(renderString), nil
 }
+
+func UrlSprintf(format string, a ...interface{}) string {
+	for i, v := range a {
+		s, ok := v.(string)
+		if ok {
+			a[i] = url.PathEscape(s)
+		}
+	}
+	return fmt.Sprintf(format, a...)
+}
\ No newline at end of file
diff --git a/handler/self.go b/handler/self.go
index ed94ba0..0b43d61 100644
--- a/handler/self.go
+++ b/handler/self.go
@@ -1,14 +1,12 @@
 package handler
 
 import (
-	"fmt"
-
 	"codeberg.org/vnpower/pixivfe/models"
 	"github.com/goccy/go-json"
 )
 
 func (p *PixivClient) GetNewestFromFollowing(mode, page, token string) ([]models.IllustShort, error) {
-	URL := fmt.Sprintf(NewestFromFollowURL, "illust", mode, page)
+	URL := UrlSprintf(NewestFromFollowURL, "illust", mode, page)
 
 	var body struct {
 		Thumbnails json.RawMessage `json:"thumbnails"`
diff --git a/handler/tag.go b/handler/tag.go
index 41400a4..b5533b0 100644
--- a/handler/tag.go
+++ b/handler/tag.go
@@ -1,8 +1,6 @@
 package handler
 
 import (
-	"fmt"
-
 	"codeberg.org/vnpower/pixivfe/models"
 	"github.com/goccy/go-json"
 )
@@ -10,7 +8,7 @@ import (
 func (p *PixivClient) GetTagData(name string) (models.TagDetail, error) {
 	var tag models.TagDetail
 
-	URL := fmt.Sprintf(SearchTagURL, name)
+	URL := UrlSprintf(SearchTagURL, name)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -28,7 +26,7 @@ func (p *PixivClient) GetTagData(name string) (models.TagDetail, error) {
 func (p *PixivClient) GetFrequentTags(ids string) ([]models.FrequentTag, error) {
 	var tags []models.FrequentTag
 
-	URL := fmt.Sprintf(FrequentTagsURL, ids)
+	URL := UrlSprintf(FrequentTagsURL, ids)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
diff --git a/handler/template.go b/handler/template.go
index 6a2dc04..81b16fa 100644
--- a/handler/template.go
+++ b/handler/template.go
@@ -107,7 +107,7 @@ func ParsePixivRedirect(s string) template.HTML {
 }
 
 func EscapeString(s string) string {
-	escaped := url.QueryEscape(s)
+	escaped := url.PathEscape(s)
 	return escaped
 }
 
diff --git a/handler/top.go b/handler/top.go
index 8c9282e..cb37af1 100644
--- a/handler/top.go
+++ b/handler/top.go
@@ -1,15 +1,13 @@
 package handler
 
 import (
-	"fmt"
-
 	"codeberg.org/vnpower/pixivfe/models"
 	"github.com/goccy/go-json"
 )
 
 func (p *PixivClient) GetLandingPage(mode string) (models.LandingArtworks, error) {
 	var context models.LandingArtworks
-	URL := fmt.Sprintf(LandingPageURL, mode)
+	URL := UrlSprintf(LandingPageURL, mode)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
diff --git a/handler/user.go b/handler/user.go
index f2cd91b..5cb1f96 100644
--- a/handler/user.go
+++ b/handler/user.go
@@ -12,7 +12,7 @@ import (
 )
 
 func (p *PixivClient) GetUserArtworksID(id string, category string, page int) (string, int, error) {
-	URL := fmt.Sprintf(UserArtworksURL, id)
+	URL := UrlSprintf(UserArtworksURL, id)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -80,7 +80,7 @@ func (p *PixivClient) GetUserArtworksID(id string, category string, page int) (s
 func (p *PixivClient) GetUserArtworks(id string, ids string) ([]models.IllustShort, error) {
 	var works []models.IllustShort
 
-	URL := fmt.Sprintf(UserArtworksFullURL, id, ids)
+	URL := UrlSprintf(UserArtworksFullURL, id, ids)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -113,7 +113,7 @@ func (p *PixivClient) GetUserArtworks(id string, ids string) ([]models.IllustSho
 func (p *PixivClient) GetUserBasicInformation(id string) (models.UserShort, error) {
 	var user models.UserShort
 
-	URL := fmt.Sprintf(UserBasicInformationURL, id)
+	URL := UrlSprintf(UserBasicInformationURL, id)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -131,7 +131,7 @@ func (p *PixivClient) GetUserBasicInformation(id string) (models.UserShort, erro
 func (p *PixivClient) GetUserInformation(id string, category string, page int) (*models.User, error) {
 	var user *models.User
 
-	URL := fmt.Sprintf(UserInformationURL, id)
+	URL := UrlSprintf(UserInformationURL, id)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {
@@ -202,7 +202,7 @@ func (p *PixivClient) GetUserInformation(id string, category string, page int) (
 
 func (p *PixivClient) GetUserBookmarks(id string, mode string, page int) ([]models.IllustShort, int, error) {
 	page--
-	URL := fmt.Sprintf(UserBookmarksURL, id, page*48, mode)
+	URL := UrlSprintf(UserBookmarksURL, id, page*48, mode)
 
 	response, err := p.PixivRequest(URL)
 	if err != nil {