diff --git a/project.clj b/project.clj
index 8b35619..f7833b9 100644
--- a/project.clj
+++ b/project.clj
@@ -1,11 +1,10 @@
-(defproject wordpress-used "0.1.0-SNAPSHOT"
-  :description "FIXME: write description"
+(defproject wordpress-used "1.0.0-SNAPSHOT"
+  :description "Calculates WordPress usage index from a CSV list of domains"
   :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"]
-                 [org.clojure/data.csv "0.1.4"]
-                 ]
+                 [org.clojure/data.csv "0.1.4"]]
   :main ^:skip-aot wordpress-used.core
   :repl-options {:init-ns wordpress-used.core})
diff --git a/resources/top-1m-test.csv b/resources/top-1m-test.csv
index e546aea..911c049 100644
--- a/resources/top-1m-test.csv
+++ b/resources/top-1m-test.csv
@@ -1,20 +1,4 @@
 1,google.com
 2,youtube.com
-3,baidu.com
 4,tmall.com
-5,qq.com
-6,taobao.com
-7,sohu.com
-8,facebook.com
-9,wikipedia.org
-10,yahoo.com
-11,login.tmall.com
-12,amazon.com
-13,360.cn
-14,jd.com
-15,weibo.com
-16,sina.com.cn
-17,live.com
-18,reddit.com
-19,pages.tmall.com
-20,vk.com
+5,idecrea.es
\ No newline at end of file
diff --git a/src/wordpress_used/core.clj b/src/wordpress_used/core.clj
index be513dc..2cec18d 100644
--- a/src/wordpress_used/core.clj
+++ b/src/wordpress_used/core.clj
@@ -5,23 +5,45 @@
    [clojure.java.io :as io]
    ) (:gen-class))
 
+(defn read-csv-domains
+  "Read CSV file with all domains"
+  [url]
+  (with-open [reader (io/reader (io/resource url))]
+    (doall (csv/read-csv reader))))
+
+(defn save-csv-domains
+  "Save the list with the domains in a CSV file"
+  [url new-domains]
+  (with-open [writer (io/writer url)]
+    (csv/write-csv writer new-domains)))
+
 (defn wordpress?
-  "Check site used WordPress with meta generator"
+  "Check if a web page is generated with WordPress"
   [url]
   (let [response (client/get (str "http://" url "/") {:ignore-unknown-host? true, :connection-timeout 5000, :throw-exceptions false})]
     (every? identity [(re-find (re-pattern "meta.*generator.*WordPress") (:body response))])))
 
-
 (defn -main
   [& args]
-  ;; Read CSV with all domains
-  (with-open [reader (io/reader (clojure.java.io/resource "top-1m-test.csv"))]
-    (doall
-      (let [domains                (csv/read-csv reader)
-            ;; Check is WordPress
-            domains-with-wordpress (doall (map #(conj % (wordpress? (get % 1))) domains))]
-        ;;domains-with-wordpress (map #(conj % (wordpress? (get % 1))) domains)]
-      ;; Save CSV
-      (with-open [writer (io/writer (clojure.java.io/resource "top-1m-test.csv"))]
-        (csv/write-csv writer (vec domains-with-wordpress)))
-      ))))
+  (let [;; Name of the file containing the CSV with the domains
+        file-csv       "top-1m-test.csv"
+        ;; List with domains
+        domains        (read-csv-domains file-csv)
+        ;; List with domains with a boolean indicating if it is generate or not in WordPress
+        domains-checks (doall (vec (map #(conj % (wordpress? (get % 1))) domains)))]
+    ;; Save domains to CSV
+    (save-csv-domains file-csv domains-checks)))
+
+;; (defn -main
+;;   [& args]
+;;   ;; Read CSV with all domains
+;;   (with-open [reader (io/reader (clojure.java.io/resource "top-1m-test.csv"))]
+;;     (doall
+;;       (let [domains                (csv/read-csv reader)
+;;             ;; Check is WordPress
+;;             domains-with-wordpress (vec (map #(conj % (wordpress? (get % 1))) domains))]
+
+;;         ;; Save CSV
+;;         (with-open [writer (io/writer (clojure.java.io/resource "top-1m-test.csv"))]
+;;           (csv/write-csv writer (doall domains-with-wordpress)))
+;;         ))))
diff --git a/top-1m-test.csv b/top-1m-test.csv
new file mode 100644
index 0000000..6b502c4
--- /dev/null
+++ b/top-1m-test.csv
@@ -0,0 +1,4 @@
+1,google.com,false
+2,youtube.com,false
+4,tmall.com,false
+5,idecrea.es,true