diff --git a/include/uri.hpp b/include/uri.hpp
index 8d2c5f1..71b0a57 100644
--- a/include/uri.hpp
+++ b/include/uri.hpp
@@ -107,6 +107,7 @@ public:
 
 protected:
     string _uri;
+    string _document;
 
     /*!
      *  @brief  Make a HTTP(S) request.
@@ -122,7 +123,7 @@ protected:
      *  @since  0.6.0
      */
     [[nodiscard]]
-    string extract_title(const string &html) const;
+    string extract_title() const;
 
     /*!
      *  @brief  Extract the description from an HTML page.
@@ -130,7 +131,7 @@ protected:
      *  @since  0.6.0
      */
     [[nodiscard]]
-    string extract_description(const string &html) const;
+    string extract_description() const;
 
     /*!
      *  @brief  Removes HTML tags and superflous spaces from an HTML page.
@@ -138,7 +139,7 @@ protected:
      *  @since  0.6.0
      */
     [[nodiscard]]
-    string strip_html(const string &html) const;
+    string strip_html() const;
 
     /*!
      *  @brief  Remove HTML tags.
@@ -181,6 +182,13 @@ protected:
      */
     [[nodiscard]]
     string cut_text(const string &text, uint16_t n_chars) const;
+
+    /*!
+     *  @brief  Returns true if document is *HTML.
+     *
+     *  @since  0.9.2
+     */
+    bool is_html() const;
 };
 } // namespace remwharead
 
diff --git a/src/lib/uri.cpp b/src/lib/uri.cpp
index ca11dec..c875a52 100644
--- a/src/lib/uri.cpp
+++ b/src/lib/uri.cpp
@@ -66,7 +66,7 @@ archive_answer::operator bool()
 }
 
 URI::URI(string uri)
-    :_uri(move(uri))
+    : _uri(move(uri))
 {
     Poco::Net::initializeSSL();
 
@@ -130,16 +130,16 @@ html_extract URI::get()
 {
     try
     {
-        const string answer = make_request(_uri);
-        if (!answer.empty())
+        _document = make_request(_uri);
+        if (!_document.empty())
         {
             return
                 {
                     true,
                     "",
-                    extract_title(answer),
-                    extract_description(answer),
-                    strip_html(answer)
+                    extract_title(),
+                    extract_description(),
+                    strip_html()
                 };
         }
     }
@@ -224,14 +224,13 @@ string URI::make_request(const string &uri, bool archive) const
     }
 }
 
-string URI::extract_title(const string &html) const
+string URI::extract_title() const
 {
-    const RegEx re_htmlfile(".*\\.(.?html?|xml|rss)$", RegEx::RE_CASELESS);
-    if (_uri.substr(0, 4) == "http" || re_htmlfile.match(_uri))
+    if (is_html())
     {
         const RegEx re_title("<title(?: [^>]+)?>([^<]+)", RegEx::RE_CASELESS);
         vector<string> matches;
-        re_title.split(html, matches);
+        re_title.split(_document, matches);
         if (matches.size() >= 2)
         {
             return remove_newlines(unescape_html(matches[1]));
@@ -241,29 +240,28 @@ string URI::extract_title(const string &html) const
     return "";
 }
 
-string URI::extract_description(const string &html) const
+string URI::extract_description() const
 {
-    const RegEx re_htmlfile(".*\\.(.?html?|xml|rss)$", RegEx::RE_CASELESS);
-    if (_uri.substr(0, 4) == "http" || re_htmlfile.match(_uri))
+    if (is_html())
     {
         const RegEx re_desc(R"(description"[^>]+content="([^"]+))",
                             RegEx::RE_CASELESS);
         vector<string> matches;
-        re_desc.split(html, matches);
+        re_desc.split(_document, matches);
         if (matches.size() >= 2)
         {
-            return remove_newlines(cut_text(unescape_html(matches[1]), 500));
+            return cut_text(remove_newlines(unescape_html(matches[1])), 500);
         }
     }
 
     return "";
 }
 
-string URI::strip_html(const string &html) const
+string URI::strip_html() const
 {
     string out;
 
-    out = remove_html_tags(html, "script"); // Remove JavaScript.
+    out = remove_html_tags(_document, "script"); // Remove JavaScript.
     out = remove_html_tags(out, "style");   // Remove CSS.
     out = remove_html_tags(out);            // Remove tags.
 
@@ -681,4 +679,15 @@ string URI::cut_text(const string &text, const uint16_t n_chars) const
     return text;
 }
 
+bool URI::is_html() const
+{
+    const RegEx re_htmlfile(".*\\.(.?html?|xml|rss)$", RegEx::RE_CASELESS);
+    if (_uri.substr(0, 4) == "http" || re_htmlfile.match(_uri))
+    {
+        return true;
+    }
+
+    return false;
+}
+
 } // namespace remwharead
diff --git a/tests/test_uri.cpp b/tests/test_uri.cpp
index 34f403f..743ea26 100644
--- a/tests/test_uri.cpp
+++ b/tests/test_uri.cpp
@@ -32,41 +32,29 @@ SCENARIO ("URI works correctly")
             explicit URITest(const string &)
                 : URI("") {}
             URITest()
-                : URI("test.html") {}
+                : URI("test.html")
+            {
+                _document =
+                    "<html><head><title>title</title>"
+                    "<meta name=\"description\" content=\"description\" />"
+                    "<body><p>A short <span style=\"\">sentence</span>.</p>"
+                    "</body></head></html>";
+            }
 
             bool test_title()
             {
-                if (extract_title(_html) == "title")
-                {
-                    return true;
-                }
-                return false;
+                return (extract_title() == "title");
             }
 
             bool test_description()
             {
-                if (extract_description(_html) == "description")
-                {
-                    return true;
-                }
-                return false;
+                return (extract_description() == "description");
             }
 
             bool test_fulltext()
             {
-                if (strip_html(_html) == "titleA short sentence.")
-                {
-                    return true;
-                }
-                return false;
+                return (strip_html() == "titleA short sentence.");
             }
-
-        private:
-            const string _html =
-                "<html><head><title>title</title>"
-                "<meta name=\"description\" content=\"description\" />"
-                "<body><p>A short <span style=\"\">sentence</span>.</p>"
-                "</body></head></html>";
         };
 
         WHEN ("extract_title() is called")