diff --git a/README.md b/README.md
index b5d249b..cc7f88d 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Freedom of information is an essential pillar of democracy and informed decision
 - [ ] Fetch from Google Cache if not available
 
 ### Limitations
-Certain sites may display missing images or encounter formatting issues. This can be attributed to the site's reliance on JavaScript or CSS for image and resource loading, which presents a limitation when accessed through this proxy. If you prefer a full experience, please concider buying a subscription for the site.
+Certain sites may display missing images or encounter formatting issues. This can be attributed to the site's reliance on JavaScript or CSS for image and resource loading, which presents a limitation when accessed through this proxy. If you prefer a full experience, please consider buying a subscription for the site.
 
 Some sites do not expose their content to search engines, which means that the proxy cannot access the content. A future version will try to fetch the content from Google Cache.
 
@@ -136,4 +136,4 @@ See in [ruleset.yaml](ruleset.yaml) for an example.
     - position: .left-content article # Position where to inject the code into DOM
       prepend: | 
         <h2>Suptitle</h2>
-```
\ No newline at end of file
+```
diff --git a/handlers/api.go b/handlers/api.go
index 28e0346..e8a7611 100644
--- a/handlers/api.go
+++ b/handlers/api.go
@@ -27,7 +27,8 @@ func Api(c *fiber.Ctx) error {
 		Version: version,
 		Body:    body,
 	}
-	response.Request.Headers = make([]interface{}, 0)
+
+	response.Request.Headers = make([]any, 0, len(req.Header))
 	for k, v := range req.Header {
 		response.Request.Headers = append(response.Request.Headers, map[string]string{
 			"key":   k,
@@ -35,7 +36,7 @@ func Api(c *fiber.Ctx) error {
 		})
 	}
 
-	response.Response.Headers = make([]interface{}, 0)
+	response.Response.Headers = make([]any, 0, len(resp.Header))
 	for k, v := range resp.Header {
 		response.Response.Headers = append(response.Response.Headers, map[string]string{
 			"key":   k,