diff --git a/youtube_dl/extractor/aparat.py b/youtube_dl/extractor/aparat.py
index 5d70758a36..63429780e8 100644
--- a/youtube_dl/extractor/aparat.py
+++ b/youtube_dl/extractor/aparat.py
@@ -20,6 +20,7 @@ class AparatIE(InfoExtractor):
             'id': 'wP8On',
             'ext': 'mp4',
             'title': 'تیم گلکسی 11 - زومیت',
+            'age_limit': 0,
         },
         # 'skip': 'Extremely unreliable',
     }
@@ -55,4 +56,5 @@ class AparatIE(InfoExtractor):
             'url': video_url,
             'ext': 'mp4',
             'thumbnail': thumbnail,
+            'age_limit': self._family_friendly_search(webpage),
         }
diff --git a/youtube_dl/extractor/goshgay.py b/youtube_dl/extractor/goshgay.py
index b116d251d5..1d9166455a 100644
--- a/youtube_dl/extractor/goshgay.py
+++ b/youtube_dl/extractor/goshgay.py
@@ -34,8 +34,6 @@ class GoshgayIE(InfoExtractor):
         duration = parse_duration(self._html_search_regex(
             r'<span class="duration">\s*-?\s*(.*?)</span>',
             webpage, 'duration', fatal=False))
-        family_friendly = self._html_search_meta(
-            'isFamilyFriendly', webpage, default='false')
 
         flashvars = compat_parse_qs(self._html_search_regex(
             r'<embed.+?id="flash-player-embed".+?flashvars="([^"]+)"',
@@ -49,5 +47,5 @@ class GoshgayIE(InfoExtractor):
             'title': title,
             'thumbnail': thumbnail,
             'duration': duration,
-            'age_limit': 0 if family_friendly == 'true' else 18,
+            'age_limit': self._family_friendly_search(webpage),
         }
diff --git a/youtube_dl/extractor/izlesene.py b/youtube_dl/extractor/izlesene.py
index d16d483eeb..99a1361f84 100644
--- a/youtube_dl/extractor/izlesene.py
+++ b/youtube_dl/extractor/izlesene.py
@@ -80,9 +80,6 @@ class IzleseneIE(InfoExtractor):
             r'comment_count\s*=\s*\'([^\']+)\';',
             webpage, 'comment_count', fatal=False)
 
-        family_friendly = self._html_search_meta(
-            'isFamilyFriendly', webpage, 'age limit', fatal=False)
-
         content_url = self._html_search_meta(
             'contentURL', webpage, 'content URL', fatal=False)
         ext = determine_ext(content_url, 'mp4')
@@ -120,6 +117,6 @@ class IzleseneIE(InfoExtractor):
             'duration': duration,
             'view_count': int_or_none(view_count),
             'comment_count': int_or_none(comment_count),
-            'age_limit': 18 if family_friendly == 'False' else 0,
+            'age_limit': self._family_friendly_search(webpage),
             'formats': formats,
         }
diff --git a/youtube_dl/extractor/teamcoco.py b/youtube_dl/extractor/teamcoco.py
index 18a8237197..e85d452a31 100644
--- a/youtube_dl/extractor/teamcoco.py
+++ b/youtube_dl/extractor/teamcoco.py
@@ -15,7 +15,8 @@ class TeamcocoIE(InfoExtractor):
                 'id': '80187',
                 'ext': 'mp4',
                 'title': 'Conan Becomes A Mary Kay Beauty Consultant',
-                'description': 'Mary Kay is perhaps the most trusted name in female beauty, so of course Conan is a natural choice to sell their products.'
+                'description': 'Mary Kay is perhaps the most trusted name in female beauty, so of course Conan is a natural choice to sell their products.',
+                'age_limit': 0,
             }
         }, {
             'url': 'http://teamcoco.com/video/louis-ck-interview-george-w-bush',
@@ -24,7 +25,8 @@ class TeamcocoIE(InfoExtractor):
                 'id': '19705',
                 'ext': 'mp4',
                 "description": "Louis C.K. got starstruck by George W. Bush, so what? Part one.",
-                "title": "Louis C.K. Interview Pt. 1 11/3/11"
+                "title": "Louis C.K. Interview Pt. 1 11/3/11",
+                'age_limit': 0,
             }
         }
     ]
@@ -83,4 +85,5 @@ class TeamcocoIE(InfoExtractor):
             'title': self._og_search_title(webpage),
             'thumbnail': self._og_search_thumbnail(webpage),
             'description': self._og_search_description(webpage),
+            'age_limit': self._family_friendly_search(webpage),
         }