diff --git a/config/generic.json.sample b/config/generic.json.sample
index 0bab9024..50abe424 100644
--- a/config/generic.json.sample
+++ b/config/generic.json.sample
@@ -10,6 +10,7 @@
     "days": 0,
     "hours": 0
   },
+  "use_user_agents_users": false,
   "enable_mail_notification": false,
   "email": {
       "from": "Lookyloo <lookyloo@myorg.local>",
@@ -27,6 +28,7 @@
     "default_user_agent": "Ultimate fallback if the capture form, or the asynchronous submission, don't provide a UA",
     "cache_clean_user": "Format: {username: password}",
     "time_delta_on_index": "Time interval of the capture displayed on the index",
+    "use_user_agents_users": "Only usable for medium/high use instances: use the user agents of the users of the platform",
     "enable_mail_notification": "Enable email notification or not",
     "email": "Configuration for sending email notifications."
   }
diff --git a/lookyloo/helpers.py b/lookyloo/helpers.py
index ae8b662a..add73c20 100644
--- a/lookyloo/helpers.py
+++ b/lookyloo/helpers.py
@@ -143,7 +143,13 @@ def update_user_agents() -> None:
     except Exception:
         traceback.print_exc()
         return
-    soup = BeautifulSoup(r.text, 'html.parser')
+    to_store = ua_parser(r.text)
+    with open(ua_file_name, 'w') as f:
+        json.dump(to_store, f, indent=2)
+
+
+def ua_parser(html_content: str) -> Dict[str, Any]:
+    soup = BeautifulSoup(html_content, 'html.parser')
 
     try:
         uas = soup.find_all('textarea')[1].text
@@ -161,12 +167,11 @@ def update_user_agents() -> None:
             to_store[os][browser] = []
         to_store[os][browser].append(ua['useragent'])
         to_store['by_frequency'].append({'os': os, 'browser': browser, 'useragent': ua['useragent']})
-    with open(ua_file_name, 'w') as f:
-        json.dump(to_store, f, indent=2)
+    return to_store
 
 
-def get_user_agents() -> Dict[str, Any]:
-    ua_files_path = str(get_homedir() / 'user_agents' / '*' / '*' / '*.json')
+def get_user_agents(directory: str='user_agents') -> Dict[str, Any]:
+    ua_files_path = str(get_homedir() / directory / '*' / '*' / '*.json')
     paths = sorted(glob(ua_files_path), reverse=True)
     if not paths:
         update_user_agents()
diff --git a/lookyloo/lookyloo.py b/lookyloo/lookyloo.py
index 65128917..46d67178 100644
--- a/lookyloo/lookyloo.py
+++ b/lookyloo/lookyloo.py
@@ -2,9 +2,9 @@
 # -*- coding: utf-8 -*-
 
 import base64
-from collections import defaultdict
+from collections import defaultdict, Counter
 
-from datetime import datetime
+from datetime import datetime, date, timedelta
 from email.message import EmailMessage
 from io import BufferedIOBase, BytesIO
 import ipaddress
@@ -24,6 +24,8 @@ from har2tree import CrawledTree, Har2TreeError, HarFile, HostNode, URLNode
 from redis import Redis
 from scrapysplashwrapper import crawl
 
+from werkzeug.useragents import UserAgent
+
 from .exceptions import NoValidHarFile, MissingUUID
 from .helpers import get_homedir, get_socket_path, load_cookies, load_configs, safe_create_dir, get_email_template
 from .modules import VirusTotal, SaneJavaScript, PhishingInitiative
@@ -63,6 +65,36 @@ class Lookyloo():
         if not self.redis.exists('cache_loaded'):
             self._init_existing_dumps()
 
+    def cache_user_agents(self, user_agent: str, remote_ip: str) -> None:
+        today = date.today().isoformat()
+        self.redis.zincrby(f'user_agents|{today}', 1, f'{remote_ip}|{user_agent}')
+
+    def build_ua_file(self) -> None:
+        yesterday = (date.today() - timedelta(days=1))
+        self_generated_ua_file_path = get_homedir() / 'own_user_agents' / str(yesterday.year) / f'{yesterday.month:02}'
+        safe_create_dir(self_generated_ua_file_path)
+        self_generated_ua_file = self_generated_ua_file_path / f'{yesterday.isoformat()}.json'
+        if self_generated_ua_file.exists():
+            return
+        entries = self.redis.zrevrange(f'user_agents|{yesterday.isoformat()}', 0, -1)
+        if not entries:
+            return
+
+        to_store: Dict[str, Any] = {'by_frequency': []}
+        uas = Counter([entry.split('|', 1)[1] for entry in entries])
+        for ua, count in uas.most_common():
+            parsed_ua = UserAgent(ua)
+            if parsed_ua.platform not in to_store:
+                to_store[parsed_ua.platform] = {}
+            if f'{parsed_ua.browser} {parsed_ua.version}' not in to_store[parsed_ua.platform]:
+                to_store[parsed_ua.platform][f'{parsed_ua.browser} {parsed_ua.version}'] = []
+            to_store[parsed_ua.platform][f'{parsed_ua.browser} {parsed_ua.version}'].append(parsed_ua.string)
+            to_store['by_frequency'].append({'os': parsed_ua.platform,
+                                             'browser': f'{parsed_ua.browser} {parsed_ua.version}',
+                                             'useragent': parsed_ua.string})
+        with self_generated_ua_file.open('w') as f:
+            json.dump(to_store, f, indent=2)
+
     def rebuild_cache(self) -> None:
         self.redis.flushdb()
         self._init_existing_dumps()
@@ -314,6 +346,29 @@ class Lookyloo():
         except Exception as e:
             logging.exception(e)
 
+    def _ensure_meta(self, capture_dir: Path, tree: CrawledTree) -> None:
+        metafile = capture_dir / 'meta'
+        if metafile.exists():
+            return
+        ua = UserAgent(tree.root_hartree.user_agent)
+        to_dump = {}
+        if ua.platform:
+            to_dump['os'] = ua.platform
+        if ua.browser:
+            if ua.version:
+                to_dump['browser'] = f'{ua.browser} {ua.version}'
+            else:
+                to_dump['browser'] = ua.browser
+        if ua.language:
+            to_dump['language'] = ua.language
+
+        if not to_dump:
+            # UA not recognized
+            self.logger.info(f'Unable to recognize the User agent: {ua}')
+        to_dump['user_agent'] = ua.string
+        with metafile.open('w') as f:
+            json.dump(to_dump, f)
+
     def get_crawled_tree(self, capture_dir: Path) -> CrawledTree:
         pickle_file = capture_dir / 'tree.pickle'
         ct = self._load_pickle(pickle_file)
@@ -323,6 +378,7 @@ class Lookyloo():
             har_files = sorted(capture_dir.glob('*.har'))
             try:
                 ct = CrawledTree(har_files, uuid)
+                self._ensure_meta(capture_dir, ct)
             except Har2TreeError as e:
                 raise NoValidHarFile(e.message)
             with pickle_file.open('wb') as _p:
diff --git a/tools/README.md b/tools/README.md
new file mode 100644
index 00000000..66e1515a
--- /dev/null
+++ b/tools/README.md
@@ -0,0 +1,4 @@
+# Tools used for the maintenance of a Lookyloo instance
+
+* `generate_meta_file.py`: Make sure all the captures have a meta file (short view of the User Agent)
+* `manual_parse_ua_list.py`: Parse html dump from https://techblog.willshouse.com/2012/01/03/most-common-user-agents/
diff --git a/tools/generate_meta_file.py b/tools/generate_meta_file.py
new file mode 100644
index 00000000..46c7fb89
--- /dev/null
+++ b/tools/generate_meta_file.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from lookyloo.lookyloo import Lookyloo
+
+lookyloo = Lookyloo()
+
+for capture_dir in lookyloo.capture_dirs:
+    try:
+        ct = lookyloo.get_crawled_tree(capture_dir)
+    except Exception:
+        continue
+    lookyloo._ensure_meta(capture_dir, ct)
diff --git a/tools/manual_parse_ua_list.py b/tools/manual_parse_ua_list.py
new file mode 100644
index 00000000..a05166d9
--- /dev/null
+++ b/tools/manual_parse_ua_list.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from datetime import datetime
+from pathlib import Path
+import json
+
+from lookyloo.helpers import ua_parser, get_homedir, safe_create_dir
+
+to_parse = Path('Most Common User Agents - Tech Blog (wh).html')
+
+today = datetime.now()
+ua_path = get_homedir() / 'user_agents' / str(today.year) / f'{today.month:02}'
+safe_create_dir(ua_path)
+ua_file_name: Path = ua_path / f'{today.date().isoformat()}.json'
+
+with to_parse.open() as f:
+    to_store = ua_parser(f.read())
+
+with open(ua_file_name, 'w') as f:
+    json.dump(to_store, f, indent=2)
diff --git a/user_agents/2020/06/2020-06-25.json b/user_agents/2020/06/2020-06-25.json
new file mode 100644
index 00000000..551730f5
--- /dev/null
+++ b/user_agents/2020/06/2020-06-25.json
@@ -0,0 +1,574 @@
+{
+  "by_frequency": [
+    {
+      "os": "Win10",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Firefox 77.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Firefox 76.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Safari 13.1",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15"
+    },
+    {
+      "os": "macOS",
+      "browser": "Safari 13.1",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Firefox 68.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Firefox/68.0"
+    },
+    {
+      "os": "Win7",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Firefox 77.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0) Gecko/20100101 Firefox/77.0"
+    },
+    {
+      "os": "Linux",
+      "browser": "Firefox 77.0",
+      "useragent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:77.0) Gecko/20100101 Firefox/77.0"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 74.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Opera 68",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.125"
+    },
+    {
+      "os": "macOS",
+      "browser": "Firefox 76.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:76.0) Gecko/20100101 Firefox/76.0"
+    },
+    {
+      "os": "Linux",
+      "browser": "Firefox 76.0",
+      "useragent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "Win7",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "Linux",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "Linux",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "Linux",
+      "browser": "Firefox 68.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0"
+    },
+    {
+      "os": "Win10",
+      "browser": "IE 11.0 for Desktop",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko"
+    },
+    {
+      "os": "Linux",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Edge 18.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18362"
+    },
+    {
+      "os": "Win10",
+      "browser": "Edge 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36 Edg/83.0.478.37"
+    },
+    {
+      "os": "Win7",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "Linux",
+      "browser": "Firefox 77.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64; rv:77.0) Gecko/20100101 Firefox/77.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Safari 13.1",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15"
+    },
+    {
+      "os": "Win10",
+      "browser": "Edge 18.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18363"
+    },
+    {
+      "os": "Win10",
+      "browser": "Firefox 75.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0"
+    },
+    {
+      "os": "Win7",
+      "browser": "Firefox 76.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "Win7",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "Win7",
+      "browser": "Firefox 77.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Firefox 77.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:77.0) Gecko/20100101 Firefox/77.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Safari 13.1",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 76.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36"
+    },
+    {
+      "os": "Win8.1",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Safari 13.1",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15"
+    },
+    {
+      "os": "Win10",
+      "browser": "Edge 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36 Edg/83.0.478.45"
+    },
+    {
+      "os": "macOS",
+      "browser": "Safari 13.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.5 Safari/605.1.15"
+    },
+    {
+      "os": "Win10",
+      "browser": "Firefox 68.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0"
+    },
+    {
+      "os": "Win8.1",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "Linux",
+      "browser": "Headless Chrome 68.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/68.0.3440.106 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Safari 13.1",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Opera 68",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.142"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36"
+    },
+    {
+      "os": "Linux",
+      "browser": "Firefox 76.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0"
+    },
+    {
+      "os": "Linux",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Firefox 76.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:76.0) Gecko/20100101 Firefox/76.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Edge 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36 Edg/83.0.478.54"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Opera 68",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.165"
+    },
+    {
+      "os": "Win7",
+      "browser": "Opera 68",
+      "useragent": "Mozilla/5.0 (Windows NT 6.1; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.125"
+    },
+    {
+      "os": "Linux",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Edge 18.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763"
+    },
+    {
+      "os": "Win10",
+      "browser": "Chrome 79.0",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36"
+    },
+    {
+      "os": "Win8.1",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    },
+    {
+      "os": "Android",
+      "browser": "Android Browser 4.0",
+      "useragent": "Mozilla/5.0 (Linux; U; Android 4.3; en-us; SM-N900T Build/JSS15J) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
+    },
+    {
+      "os": "Win10",
+      "browser": "Yandex Browser Generic",
+      "useragent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 YaBrowser/20.6.0.905 Yowser/2.5 Yptp/1.23 Safari/537.36"
+    },
+    {
+      "os": "ChromeOS",
+      "browser": "Chrome 81.0",
+      "useragent": "Mozilla/5.0 (X11; CrOS x86_64 12871.102.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.141 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Firefox Generic",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Firefox/78.0"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    },
+    {
+      "os": "macOS",
+      "browser": "Chrome 83.0",
+      "useragent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    }
+  ],
+  "Win10": {
+    "Chrome 83.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36"
+    ],
+    "Firefox 77.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0"
+    ],
+    "Chrome 81.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36"
+    ],
+    "Firefox 76.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0"
+    ],
+    "Firefox 68.0": [
+      "Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Firefox/68.0",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0"
+    ],
+    "Chrome 74.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36"
+    ],
+    "Opera 68": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.125",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.142",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.165"
+    ],
+    "IE 11.0 for Desktop": [
+      "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko"
+    ],
+    "Edge 18.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18362",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18363",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763"
+    ],
+    "Edge 83.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36 Edg/83.0.478.37",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36 Edg/83.0.478.45",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36 Edg/83.0.478.54"
+    ],
+    "Firefox 75.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0"
+    ],
+    "Chrome 76.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36"
+    ],
+    "Chrome 79.0": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36"
+    ],
+    "Yandex Browser Generic": [
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 YaBrowser/20.6.0.905 Yowser/2.5 Yptp/1.23 Safari/537.36"
+    ]
+  },
+  "macOS": {
+    "Safari 13.1": [
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1 Safari/605.1.15",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15"
+    ],
+    "Chrome 83.0": [
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36"
+    ],
+    "Chrome 81.0": [
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    ],
+    "Firefox 77.0": [
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:77.0) Gecko/20100101 Firefox/77.0",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:77.0) Gecko/20100101 Firefox/77.0"
+    ],
+    "Firefox 76.0": [
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:76.0) Gecko/20100101 Firefox/76.0",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:76.0) Gecko/20100101 Firefox/76.0"
+    ],
+    "Safari 13.0": [
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.5 Safari/605.1.15"
+    ],
+    "Firefox Generic": [
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Firefox/78.0"
+    ]
+  },
+  "Win7": {
+    "Chrome 83.0": [
+      "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    ],
+    "Firefox 76.0": [
+      "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0"
+    ],
+    "Chrome 81.0": [
+      "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36"
+    ],
+    "Firefox 77.0": [
+      "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0"
+    ],
+    "Opera 68": [
+      "Mozilla/5.0 (Windows NT 6.1; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.125"
+    ]
+  },
+  "Linux": {
+    "Firefox 77.0": [
+      "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:77.0) Gecko/20100101 Firefox/77.0",
+      "Mozilla/5.0 (X11; Linux x86_64; rv:77.0) Gecko/20100101 Firefox/77.0"
+    ],
+    "Firefox 76.0": [
+      "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0",
+      "Mozilla/5.0 (X11; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0"
+    ],
+    "Chrome 83.0": [
+      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    ],
+    "Firefox 68.0": [
+      "Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0"
+    ],
+    "Chrome 81.0": [
+      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
+      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36"
+    ],
+    "Headless Chrome 68.0": [
+      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/68.0.3440.106 Safari/537.36"
+    ]
+  },
+  "Win8.1": {
+    "Chrome 83.0": [
+      "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36",
+      "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Safari/537.36"
+    ]
+  },
+  "Android": {
+    "Android Browser 4.0": [
+      "Mozilla/5.0 (Linux; U; Android 4.3; en-us; SM-N900T Build/JSS15J) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30"
+    ]
+  },
+  "ChromeOS": {
+    "Chrome 81.0": [
+      "Mozilla/5.0 (X11; CrOS x86_64 12871.102.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.141 Safari/537.36"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/website/web/__init__.py b/website/web/__init__.py
index ebe7f5c9..3300fe94 100644
--- a/website/web/__init__.py
+++ b/website/web/__init__.py
@@ -60,6 +60,12 @@ def sizeof_fmt(num, suffix='B'):
 app.jinja_env.globals.update(sizeof_fmt=sizeof_fmt)
 
 
+@app.after_request
+def after_request(response):
+    lookyloo.cache_user_agents(request.headers.get('User-Agent'), request.remote_addr)
+    return response
+
+
 @auth.get_password
 def get_pw(username: str) -> Optional[str]:
     if username in user:
@@ -115,7 +121,15 @@ def scrape_web():
                                          user_agent=request.form.get('user_agent'),
                                          os=request.form.get('os'), browser=request.form.get('browser'))
             return redirect(url_for('tree', tree_uuid=perma_uuid))
-    user_agents = get_user_agents()
+    if lookyloo.get_config('use_user_agents_users'):
+        lookyloo.build_ua_file()
+        # NOTE: For now, just generate the file, so we have an idea of the size
+        # user_agents = get_user_agents('own_user_agents')
+        user_agents = {}
+        if not user_agents:
+            user_agents = get_user_agents()
+    else:
+        user_agents = get_user_agents()
     user_agents.pop('by_frequency')
     return render_template('scrape.html', user_agents=user_agents)