diff --git a/Makefile b/Makefile
index faa71f1..2d5d551 100644
--- a/Makefile
+++ b/Makefile
@@ -14,3 +14,6 @@ prepare: ## Download and format csv with domains
 
 run: ## Run checks 
 		lein run
+
+calculate: ## Calculate the percentage
+		(awk 'END {print NR}' resources/top-1m.csv) / (cat resources/top-1m.csv | grep ',true' | wc -l)
diff --git a/project.clj b/project.clj
index 51dd63f..b907c97 100644
--- a/project.clj
+++ b/project.clj
@@ -3,8 +3,7 @@
   :url "http://example.com/FIXME"
   :license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"
             :url  "https://www.eclipse.org/legal/epl-2.0/"}
-  :dependencies [[org.clojure/clojure "1.10.0"]
-                 [clj-http "3.10.0"]
+  :dependencies [[org.clojure/clojure "1.10.1"]
                  [org.clojure/data.csv "0.1.4"]]
   :jvm-opts ["-Xmx1G"]
   :main ^:skip-aot wordpress-used.core
diff --git a/src/wordpress_used/core.clj b/src/wordpress_used/core.clj
index e5541e8..7eb06f7 100644
--- a/src/wordpress_used/core.clj
+++ b/src/wordpress_used/core.clj
@@ -1,26 +1,14 @@
 (ns wordpress-used.core
   (:require
-   [clj-http.client :as client]
    [clojure.data.csv :as csv]
    [clojure.java.io :as io]
    [clojure.java.shell :as shell]
    ) (:gen-class))
 
-(def headers {"User-Agent"                "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:69.0) Gecko/20100101 Firefox/69.0"
-              "Accept"                    "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
-              "Accept-Language"           "es,en-US;q=0.7,en;q=0.3"
-              "Accept-Encoding"           "gzip, deflate, br"
-              "DNT"                       "1"
-              "Connection"                "keep-alive"
-              "Upgrade-Insecure-Requests" "1"
-              "Pragma"                    "no-cache"
-              "Cache-Control"             "no-cache"
-              "TE"                        "Trailers"})
-(def http-config
-  {:headers              headers
-   :ignore-unknown-host? true
-   :connection-timeout   5000
-   :throw-exceptions     false})
+(defn request
+  "Make a request by means of curl"
+  [url]
+  (shell/sh "curl" "-L" "-H" "User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:69.0) Gecko/20100101 Firefox/69.0" "-H" "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" "-H" "Accept-Language: es,en-US;q=0.7,en;q=0.3" "-H" "DNT: 1" "-H" "Connection: keep-alive" "-H" "Upgrade-Insecure-Requests: 1" "-H" "Pragma: no-cache" "-H" "Cache-Control: no-cache" url))
 
 (defn read-csv-domains
   "Read CSV file with all domains"
@@ -31,11 +19,8 @@
 (defn wordpress?
   "Check if a web page is generated with WordPress"
   [url]
-  (try
-    (let [response (client/get (str "http://" url "/") http-config)]
-      (every? identity [(re-find (re-pattern "meta.*generator.*WordPress") (:body response))]))
-    (catch Exception e
-      "timeout")))
+  (let [response (request url)]
+    (every? identity [(re-find (re-pattern "meta.*generator.*WordPress") (:out response))])))
 
 (defn -main
   [& args]