diff --git a/maigret/checking.py b/maigret/checking.py
index 6e9fea5..07e39ac 100644
--- a/maigret/checking.py
+++ b/maigret/checking.py
@@ -19,6 +19,7 @@ from .executors import AsyncioSimpleExecutor, AsyncioProgressbarQueueExecutor
 from .result import QueryResult, QueryStatus
 from .sites import MaigretDatabase, MaigretSite
 from .types import CheckError
+from .utils import get_random_user_agent
 
 
 supported_recursive_search_ids = (
@@ -383,7 +384,7 @@ async def maigret(username, site_dict, logger, query_notify=None,
         results_site['cookies'] = cookie_jar and cookie_jar.filter_cookies(site.url_main) or None
 
         headers = {
-            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 11.1; rv:55.0) Gecko/20100101 Firefox/55.0',
+            'User-Agent': get_random_user_agent(),
         }
 
         headers.update(site.headers)
diff --git a/maigret/maigret.py b/maigret/maigret.py
index bb791b8..7b3a871 100755
--- a/maigret/maigret.py
+++ b/maigret/maigret.py
@@ -275,7 +275,7 @@ async def main():
     site_data = get_top_sites_for_id(args.id_type)
 
     if args.new_site_to_submit:
-        is_submitted = await submit_dialog(db, args.new_site_to_submit, args.cookie_file)
+        is_submitted = await submit_dialog(db, args.new_site_to_submit, args.cookie_file, logger)
         if is_submitted:
             db.save_to_file(args.db_file)
 
diff --git a/maigret/resources/data.json b/maigret/resources/data.json
index 297b529..145b319 100644
--- a/maigret/resources/data.json
+++ b/maigret/resources/data.json
@@ -5436,13 +5436,12 @@
         },
         "Gitmemory": {
             "tags": [
-                "coding",
-                "github",
-                "in"
+                "coding"
             ],
             "checkType": "message",
             "absenceStrs": "Oops,404",
             "alexaRank": 6827,
+            "source": "GitHub",
             "url": "https://www.gitmemory.com/{username}",
             "urlMain": "https://www.gitmemory.com",
             "usernameClaimed": "adam",
@@ -5746,12 +5745,11 @@
         },
         "Gramho": {
             "tags": [
-                "instagram",
-                "jp",
                 "photo"
             ],
             "checkType": "status_code",
             "alexaRank": 4445,
+            "source": "Instagram",
             "url": "https://gramho.com/explore-hashtag/{username}",
             "urlMain": "https://gramho.com/",
             "usernameClaimed": "adam",
@@ -7228,13 +7226,12 @@
         },
         "Libraries": {
             "tags": [
-                "coding",
-                "github",
-                "in"
+                "coding"
             ],
             "regexCheck": "^[^\\.]+$",
             "checkType": "status_code",
             "alexaRank": 65552,
+            "source": "GitHub",
             "url": "https://libraries.io/github/{username}/",
             "urlMain": "https://libraries.io",
             "usernameClaimed": "snooppr",
@@ -9825,9 +9822,7 @@
         },
         "Picuki": {
             "tags": [
-                "instagram",
-                "photo",
-                "us"
+                "photo"
             ],
             "checkType": "message",
             "absenceStrs": [
@@ -11722,8 +11717,9 @@
         },
         "Shutterstock": {
             "tags": [
-                "fi",
-                "us"
+                "photo",
+                "music",
+                "stock"
             ],
             "checkType": "message",
             "absenceStrs": "T\u00e4m\u00e4p\u00e4 yll\u00e4tt\u00e4v\u00e4\u00e4...",
@@ -12244,9 +12240,7 @@
         },
         "Steam": {
             "tags": [
-                "gaming",
-                "steam",
-                "us"
+                "gaming"
             ],
             "checkType": "message",
             "absenceStrs": "The specified profile could not be found",
@@ -12256,14 +12250,28 @@
             "usernameClaimed": "blue",
             "usernameUnclaimed": "noonewouldeverusethis7"
         },
-        "SteamGroup": {
+        "Steam (by id)": {
             "tags": [
-                "steam",
-                "us"
+                "gaming"
+            ],
+            "type": "steam_id",
+            "checkType": "message",
+            "absenceStrs": "The specified profile could not be found",
+            "alexaRank": 370,
+            "source": "Steam",
+            "url": "https://steamcommunity.com/profiles/{username}",
+            "urlMain": "https://steamcommunity.com/",
+            "usernameClaimed": "76561197960287930",
+            "usernameUnclaimed": "noonewouldeverusethis7"
+        },
+        "Steam (Group)": {
+            "tags": [
+                "gaming"
             ],
             "checkType": "message",
             "absenceStrs": "No group could be retrieved for the given URL",
             "alexaRank": 370,
+            "source": "Steam",
             "url": "https://steamcommunity.com/groups/{username}",
             "urlMain": "https://steamcommunity.com/",
             "usernameClaimed": "blue",
@@ -12271,14 +12279,12 @@
         },
         "Steamid": {
             "tags": [
-                "eg",
-                "gaming",
-                "steam",
-                "us"
+                "gaming"
             ],
             "checkType": "message",
             "absenceStrs": "<div class=\"alert alert-warning\">Profile not found</div>",
             "alexaRank": 302717,
+            "source": "Steam",
             "url": "https://steamid.uk/profile/{username}",
             "urlMain": "https://steamid.uk/",
             "usernameClaimed": "blue",
@@ -12286,15 +12292,13 @@
         },
         "Steamid (by id)": {
             "tags": [
-                "eg",
-                "gaming",
-                "steam",
-                "us"
+                "gaming"
             ],
             "type": "steam_id",
             "checkType": "message",
             "absenceStrs": "<div class=\"alert alert-warning\">Profile not found</div>",
             "alexaRank": 302717,
+            "source": "Steam",
             "url": "https://steamid.uk/profile/{username}",
             "urlMain": "https://steamid.uk/",
             "usernameClaimed": "76561197982198022",
@@ -12302,9 +12306,7 @@
         },
         "Steamidfinder": {
             "tags": [
-                "gaming",
-                "steam",
-                "us"
+                "gaming"
             ],
             "checkType": "message",
             "presenseStrs": [
@@ -12314,6 +12316,7 @@
                 "could not be found."
             ],
             "alexaRank": 72851,
+            "source": "Steam",
             "url": "https://steamidfinder.com/lookup/{username}",
             "urlMain": "https://steamidfinder.com",
             "usernameClaimed": "channel",
@@ -12321,9 +12324,7 @@
         },
         "Steamidfinder (by id)": {
             "tags": [
-                "gaming",
-                "steam",
-                "us"
+                "gaming"
             ],
             "type": "steam_id",
             "checkType": "message",
@@ -12334,6 +12335,7 @@
                 "could not be found."
             ],
             "alexaRank": 72851,
+            "source": "Steam",
             "url": "https://steamidfinder.com/lookup/{username}",
             "urlMain": "https://steamidfinder.com",
             "usernameClaimed": "76561197982198022",
@@ -14688,6 +14690,7 @@
                 "\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0441\u043a\u0440\u044b\u043b \u0441\u0432\u043e\u044e \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u0443\u044e \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443"
             ],
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://reviews.yandex.ru/user/{username}",
             "urlMain": "https://yandex.ru/",
             "usernameClaimed": "20vpvmmwpnwyb0dpbnjvy3k14c",
@@ -14700,6 +14703,7 @@
             ],
             "checkType": "status_code",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://yandex.ru/bugbounty/researchers/{username}/",
             "urlMain": "https://yandex.ru/bugbounty/",
             "usernameClaimed": "pyrk1",
@@ -14722,18 +14726,21 @@
             ],
             "absenceStrs": "cl-not-found-content__title",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://yandex.ru/collections/user/{username}",
             "urlMain": "https://yandex.ru/collections/",
             "usernameClaimed": "yandex",
             "usernameUnclaimed": "noonewouldeverusethis7"
         },
         "YandexLocal": {
+            "disabled": true,
             "tags": [
                 "ru"
             ],
             "type": "yandex_public_id",
             "checkType": "status_code",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://local.yandex.ru/users/{username}",
             "urlMain": "https://local.yandex.ru/",
             "usernameClaimed": "gp7v6ufryzw3m1nvdj4ycexa8g",
@@ -14747,6 +14754,7 @@
             "checkType": "message",
             "absenceStrs": "//yastatic.net/market-export/_/i/zero-state/404.svg",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://market.yandex.ru/user/{username}",
             "urlMain": "https://market.yandex.ru/",
             "usernameClaimed": "6j2uh4rhp5d9gqgbynaqy2p75m",
@@ -14763,6 +14771,7 @@
             "urlProbe": "https://music.yandex.ru/handlers/library.jsx?owner={username}",
             "checkType": "status_code",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://music.yandex.ru/users/{username}/playlists",
             "urlMain": "https://music.yandex.ru/",
             "usernameClaimed": "YandexMusic",
@@ -14785,6 +14794,7 @@
             "type": "yandex_public_id",
             "checkType": "status_code",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://yandex.ru/q/profile/{username}",
             "urlMain": "https://yandex.ru/q/",
             "usernameClaimed": "blue",
@@ -14796,6 +14806,7 @@
             ],
             "checkType": "status_code",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://zen.yandex.ru/{username}",
             "urlMain": "https://zen.yandex.ru",
             "usernameClaimed": "tema",
@@ -14808,6 +14819,7 @@
             "type": "yandex_public_id",
             "checkType": "status_code",
             "alexaRank": 48,
+            "source": "Yandex",
             "url": "https://zen.yandex.ru/user/{username}",
             "urlMain": "https://zen.yandex.ru",
             "usernameClaimed": "20vpvmmwpnwyb0dpbnjvy3k14c",
@@ -18124,8 +18136,7 @@
         "tracr.co": {
             "disabled": true,
             "tags": [
-                "gaming",
-                "discord"
+                "gaming"
             ],
             "errors": {
                 "502 - Bad Gateway": "Site error",
@@ -18134,6 +18145,7 @@
             "regexCheck": "^[A-Za-z0-9]{2,32}$",
             "checkType": "message",
             "absenceStrs": "No search results",
+            "source": "Discord",
             "url": "https://tracr.co/users/1/{username}",
             "urlMain": "https://tracr.co/",
             "usernameClaimed": "blue",
@@ -18171,8 +18183,7 @@
         },
         "uID.me (by username)": {
             "tags": [
-                "ru",
-                "ucoz"
+                "ru"
             ],
             "checkType": "status_code",
             "alexaRank": 24715,
@@ -18183,8 +18194,7 @@
         },
         "uID.me (by uguid)": {
             "tags": [
-                "ru",
-                "ucoz"
+                "ru"
             ],
             "type": "uidme_uguid",
             "checkType": "status_code",
@@ -22825,6 +22835,7 @@
             ],
             "engine": "engineRedirect",
             "alexaRank": 72,
+            "source": "GitHub",
             "url": "https://gist.github.com/{username}",
             "urlMain": "https://gist.github.com",
             "usernameUnclaimed": "noonewouldeverusethis7",
@@ -23664,6 +23675,9 @@
             "usernameUnclaimed": "noonewouldeverusethis7"
         },
         "pikabu.monster": {
+            "tags": [
+                "ru"
+            ],
             "checkType": "message",
             "presenseStrs": [
                 "usertotalcomments",
@@ -23677,6 +23691,64 @@
             "urlMain": "https://pikabu.monster",
             "usernameClaimed": "Avezenit",
             "usernameUnclaimed": "noonewouldeverusethis7"
+        },
+        "steamdb.info": {
+            "tags": [
+                "gaming"
+            ],
+            "type": "steam_id",
+            "checkType": "message",
+            "presenseStrs": [
+                "profileForm",
+                " player-name",
+                " progress",
+                "  data-not-game="
+            ],
+            "absenceStrs": [
+                "error-page",
+                " Error 404"
+            ],
+            "source": "Steam",
+            "url": "https://steamdb.info/calculator/{username}",
+            "urlMain": "https://steamdb.info",
+            "usernameClaimed": "76561197978866368",
+            "usernameUnclaimed": "noonewouldeverusethis7"
+        },
+        "Niftygateway": {
+            "urlProbe": "https://api.niftygateway.com/user/profile-and-offchain-nifties-by-url/?profile_url={username}",
+            "checkType": "message",
+            "presenseStrs": [
+                "profile_url",
+                "name",
+                "profile_pic_url",
+                "verified",
+                "bio"
+            ],
+            "absenceStrs": [
+                "not_found",
+                " User profile not located in our system."
+            ],
+            "url": "https://niftygateway.com/profile/{username}",
+            "urlMain": "https://api.niftygateway.com",
+            "usernameClaimed": "admin",
+            "usernameUnclaimed": "noonewouldeverusethis7"
+        },
+        "opensea.io": {
+            "checkType": "message",
+            "presenseStrs": [
+                "username\\",
+                "lastSale",
+                "publicUsername",
+                "name",
+                "user"
+            ],
+            "absenceStrs": [
+                "><div width="
+            ],
+            "url": "https://opensea.io/accounts/{username}",
+            "urlMain": "https://opensea.io",
+            "usernameClaimed": "admin",
+            "usernameUnclaimed": "noonewouldeverusethis7"
         }
     },
     "engines": {
diff --git a/maigret/sites.py b/maigret/sites.py
index 39b33c9..f77aa31 100644
--- a/maigret/sites.py
+++ b/maigret/sites.py
@@ -15,7 +15,7 @@ SUPPORTED_TAGS = [
     'discussion', 'sharing', 'writing', 'wiki', 'business', 'shopping', 'sport',
     'books', 'news', 'documents', 'travel', 'maps', 'hobby', 'apps', 'classified',
     'career', 'geosocial', 'streaming', 'education', 'networking', 'torrent',
-    'science', 'medicine',
+    'science', 'medicine', 'reading', 'stock',
 ]
 
 
@@ -199,13 +199,14 @@ class MaigretDatabase:
         normalized_tags = list(map(str.lower, tags))
 
         is_name_ok = lambda x: x.name.lower() in normalized_names
+        is_source_ok = lambda x: x.source and x.source.lower() in normalized_names
         is_engine_ok = lambda x: isinstance(x.engine, str) and x.engine.lower() in normalized_tags
         is_tags_ok = lambda x: set(x.tags).intersection(set(normalized_tags))
         is_disabled_needed = lambda x: not x.disabled or ('disabled' in tags or disabled)
         is_id_type_ok = lambda x: x.type == id_type
 
         filter_tags_engines_fun = lambda x: not tags or is_engine_ok(x) or is_tags_ok(x)
-        filter_names_fun = lambda x: not names or is_name_ok(x)
+        filter_names_fun = lambda x: not names or is_name_ok(x) or is_source_ok(x)
 
         filter_fun = lambda x: filter_tags_engines_fun(x) and filter_names_fun(x) \
                                and is_disabled_needed(x) and is_id_type_ok(x)
diff --git a/maigret/submit.py b/maigret/submit.py
index 94bd90b..40d276e 100644
--- a/maigret/submit.py
+++ b/maigret/submit.py
@@ -3,6 +3,7 @@ import difflib
 import requests
 
 from .checking import *
+from .utils import get_random_user_agent
 
 
 DESIRED_STRINGS = ["username", "not found", "пользователь", "profile", "lastname", "firstname", "biography",
@@ -11,7 +12,7 @@ DESIRED_STRINGS = ["username", "not found", "пользователь", "profile
 SUPPOSED_USERNAMES = ['alex', 'god', 'admin', 'red', 'blue', 'john']
 
 HEADERS = {
-    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 11.1; rv:55.0) Gecko/20100101 Firefox/55.0',
+    'User-Agent': get_random_user_agent(),
 }
 
 RATIO = 0.6
@@ -125,7 +126,7 @@ async def detect_known_engine(db, url_exists, url_mainpage):
     return None
 
 
-async def check_features_manually(db, url_exists, url_mainpage, cookie_file, redirects=False):
+async def check_features_manually(db, url_exists, url_mainpage, cookie_file, logger, redirects=True):
     url_parts = url_exists.split('/')
     supposed_username = url_parts[-1]
     new_name = input(f'Is "{supposed_username}" a valid username? If not, write it manually: ')
@@ -143,7 +144,13 @@ async def check_features_manually(db, url_exists, url_mainpage, cookie_file, red
         cookie_dict = {c.key: c.value for c in cookie_jar}
 
     exists_resp = requests.get(url_exists, cookies=cookie_dict, headers=HEADERS, allow_redirects=redirects)
+    logger.debug(exists_resp.status_code)
+    logger.debug(exists_resp.text)
+
     non_exists_resp = requests.get(url_not_exists, cookies=cookie_dict, headers=HEADERS, allow_redirects=redirects)
+    logger.debug(non_exists_resp.status_code)
+    logger.debug(non_exists_resp.text)
+
 
     a = exists_resp.text
     b = non_exists_resp.text
@@ -187,7 +194,8 @@ async def check_features_manually(db, url_exists, url_mainpage, cookie_file, red
     site = MaigretSite(url_mainpage.split('/')[-1], site_data)
     return site
 
-async def submit_dialog(db, url_exists, cookie_file):
+
+async def submit_dialog(db, url_exists, cookie_file, logger):
     domain_raw = URL_RE.sub('', url_exists).strip().strip('/')
     domain_raw = domain_raw.split('/')[0]
 
@@ -208,19 +216,11 @@ async def submit_dialog(db, url_exists, cookie_file):
     sites = await detect_known_engine(db, url_exists, url_mainpage)
     if not sites:
         print('Unable to detect site engine, lets generate checking features')
-        sites = [await check_features_manually(db, url_exists, url_mainpage, cookie_file)]
+        sites = [await check_features_manually(db, url_exists, url_mainpage, cookie_file, logger)]
 
-    print(sites[0].__dict__)
+    logger.debug(sites[0].__dict__)
 
     sem = asyncio.Semaphore(1)
-    log_level = logging.INFO
-    logging.basicConfig(
-        format='[%(filename)s:%(lineno)d] %(levelname)-3s  %(asctime)s %(message)s',
-        datefmt='%H:%M:%S',
-        level=log_level
-    )
-    logger = logging.getLogger('site-submit')
-    logger.setLevel(log_level)
 
     found = False
     chosen_site = None
@@ -236,9 +236,9 @@ async def submit_dialog(db, url_exists, cookie_file):
         print('Try to run this mode again and increase features count or choose others.')
     else:
         if input(f'Site {chosen_site.name} successfully checked. Do you want to save it in the Maigret DB? [Yn] ').lower() in 'y':
-            print(chosen_site.json)
+            logger.debug(chosen_site.json)
             site_data = chosen_site.strip_engine_data()
-            print(site_data.json)
+            logger.debug(site_data.json)
             db.update_site(site_data)
             return True
 
diff --git a/maigret/utils.py b/maigret/utils.py
index cd00ee5..877fb8a 100644
--- a/maigret/utils.py
+++ b/maigret/utils.py
@@ -1,4 +1,10 @@
 import re
+import random
+
+
+DEFAULT_USER_AGENTS = [
+    'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36',
+]
 
 
 class CaseConverter:
@@ -76,3 +82,7 @@ def get_dict_ascii_tree(items, prepend='', new_line=True):
         text = text[1:]
 
     return text
+
+
+def get_random_user_agent():
+    return random.choice(DEFAULT_USER_AGENTS)