diff --git a/README.md b/README.md
index 620c2c8..27f0cd5 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,10 @@ A list of search engines useful during Penetration testing, vulnerability assess
   <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#attack-surface" target="_blank">Attack surface</a> •
   <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#code-search-engines" target="_blank">Code</a> •
   <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#mail-addresses" target="_blank">Mail addresses</a> •
-  <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#domains" target="_blank">Domains</a>
+  <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#domains" target="_blank">Domains</a> •
+  <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#urls" target="_blank">URLs</a> •
+  <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#certificate-search" target="_blank">Certificates</a> •
+  <a href="https://github.com/edoardottt/awesome-hacker-search-engines/blob/main/README.md#wifi-networks" target="_blank">WiFi networks</a>
 </p>
 
 ### General Search Engines