diff --git a/morty.go b/morty.go
index 3c886d3..795e051 100644
--- a/morty.go
+++ b/morty.go
@@ -103,7 +103,7 @@ type Proxy struct {
 
 type RequestConfig struct {
 	Key     []byte
-	baseURL *url.URL
+	BaseURL *url.URL
 }
 
 var HTML_FORM_EXTENSION string = `<input type="hidden" name="mortyurl" value="%s" /><input type="hidden" name="mortyhash" value="%s" />`
@@ -196,7 +196,8 @@ func (p *Proxy) RequestHandler(ctx *fasthttp.RequestCtx) {
 		case 301, 302, 303, 307, 308:
 			loc := resp.Header.Peek("Location")
 			if loc != nil {
-				url, err := proxifyURI(&RequestConfig{p.Key, parsedURI}, string(loc))
+				rc := &RequestConfig{Key: p.Key, BaseURL: parsedURI}
+				url, err := rc.ProxifyURI(string(loc))
 				if err == nil {
 					ctx.SetStatusCode(resp.StatusCode())
 					ctx.Response.Header.Add("Location", url)
@@ -240,9 +241,9 @@ func (p *Proxy) RequestHandler(ctx *fasthttp.RequestCtx) {
 
 	switch {
 	case bytes.Contains(contentType, []byte("css")):
-		sanitizeCSS(&RequestConfig{p.Key, parsedURI}, ctx, responseBody)
+		sanitizeCSS(&RequestConfig{Key: p.Key, BaseURL: parsedURI}, ctx, responseBody)
 	case bytes.Contains(contentType, []byte("html")):
-		sanitizeHTML(&RequestConfig{p.Key, parsedURI}, ctx, responseBody)
+		sanitizeHTML(&RequestConfig{Key: p.Key, BaseURL: parsedURI}, ctx, responseBody)
 	default:
 		ctx.Write(responseBody)
 	}
@@ -290,7 +291,7 @@ func sanitizeCSS(rc *RequestConfig, out io.Writer, css []byte) {
 		urlStart := s[4]
 		urlEnd := s[5]
 
-		if uri, err := proxifyURI(rc, string(css[urlStart:urlEnd])); err == nil {
+		if uri, err := rc.ProxifyURI(string(css[urlStart:urlEnd])); err == nil {
 			out.Write(css[startIndex:urlStart])
 			out.Write([]byte(uri))
 			startIndex = urlEnd
@@ -382,12 +383,12 @@ func sanitizeHTML(rc *RequestConfig, out io.Writer, htmlDoc []byte) {
 					for _, attr := range attrs {
 						if bytes.Equal(attr[0], []byte("action")) {
 							formURL, _ = url.Parse(string(attr[1]))
-							mergeURIs(rc.baseURL, formURL)
+							mergeURIs(rc.BaseURL, formURL)
 							break
 						}
 					}
 					if formURL == nil {
-						formURL = rc.baseURL
+						formURL = rc.BaseURL
 					}
 					urlStr := formURL.String()
 					var key string
@@ -403,7 +404,7 @@ func sanitizeHTML(rc *RequestConfig, out io.Writer, htmlDoc []byte) {
 				writeEndTag := true
 				switch string(tag) {
 				case "body":
-					fmt.Fprintf(out, HTML_BODY_EXTENSION, rc.baseURL.String())
+					fmt.Fprintf(out, HTML_BODY_EXTENSION, rc.BaseURL.String())
 				case "style":
 					state = STATE_DEFAULT
 				case "noscript":
@@ -492,7 +493,7 @@ func sanitizeMetaAttrs(rc *RequestConfig, out io.Writer, attrs [][][]byte) {
 	urlIndex := bytes.Index(bytes.ToLower(content), []byte("url="))
 	if bytes.Equal(http_equiv, []byte("refresh")) && urlIndex != -1 {
 		contentUrl := content[urlIndex+4:]
-		if uri, err := proxifyURI(rc, string(contentUrl)); err == nil {
+		if uri, err := rc.ProxifyURI(string(contentUrl)); err == nil {
 			fmt.Fprintf(out, ` http-equiv="refresh" content="%surl=%s"`, content[:urlIndex], uri)
 		}
 	} else {
@@ -514,7 +515,7 @@ func sanitizeAttr(rc *RequestConfig, out io.Writer, attrName, attrValue, escaped
 	}
 	switch string(attrName) {
 	case "src", "href", "action":
-		if uri, err := proxifyURI(rc, string(attrValue)); err == nil {
+		if uri, err := rc.ProxifyURI(string(attrValue)); err == nil {
 			fmt.Fprintf(out, " %s=\"%s\"", attrName, uri)
 		} else {
 			log.Println("cannot proxify uri:", attrValue)
@@ -538,7 +539,7 @@ func mergeURIs(u1, u2 *url.URL) {
 	}
 }
 
-func proxifyURI(rc *RequestConfig, uri string) (string, error) {
+func (rc *RequestConfig) ProxifyURI(uri string) (string, error) {
 	// TODO check malicious data: - e.g. data:script
 	if strings.HasPrefix(uri, "data:") {
 		return uri, nil
@@ -552,7 +553,7 @@ func proxifyURI(rc *RequestConfig, uri string) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	mergeURIs(rc.baseURL, u)
+	mergeURIs(rc.BaseURL, u)
 
 	uri = u.String()