diff --git a/src/extensions/ua-parser-extensions.js b/src/extensions/ua-parser-extensions.js
index f0d4a7b..a85052c 100644
--- a/src/extensions/ua-parser-extensions.js
+++ b/src/extensions/ua-parser-extensions.js
@@ -40,15 +40,17 @@ const CLIs = Object.freeze({
 const Crawlers = Object.freeze({
     browser : [
         [
+            // AhrefsBot - https://ahrefs.com/robot
             // Amazonbot - https://developer.amazon.com/amazonbot
             // Applebot - http://apple.com/go/applebot
             // Bingbot - http://www.bing.com/bingbot.htm
+            // Dotbot - https://moz.com/help/moz-procedures/crawlers/dotbot
             // DuckDuckBot - http://duckduckgo.com/duckduckbot.html
             // FacebookBot - https://developers.facebook.com/docs/sharing/bot/
             // GPTBot - https://platform.openai.com/docs/gptbot
             // MJ12bot - https://mj12bot.com/
             // SemrushBot - http://www.semrush.com/bot.html
-            /((?:amazon|apple|bing|duckduck|facebook|gpt|mj12|semrush)bot)\/([\w\.]+)/i,
+            /((?:ahrefs|amazon|apple|bing|dot|duckduck|facebook|gpt|mj12|semrush)bot)\/([\w\.]+)/i,
 
             // Baiduspider https://help.baidu.com/question?prod_id=99&class=0&id=3001
             /(baiduspider)[-imagevdonsfcpr]{0,6}\/([\w\.]+)/i,
@@ -56,6 +58,9 @@ const Crawlers = Object.freeze({
             // ClaudeBot
             /(claude(?:bot|-web))\/([\w\.]+)/i, 
 
+            // Coc Coc Bot - https://help.coccoc.com/en/search-engine
+            /(coccocbot-(?:image|web))\/([\w\.]+)/i, 
+
             // Googlebot - http://www.google.com/bot.html
             /(google(?:bot|other)(?:-image|-video|-news|-extended)?|(?:storebot-)?google(?:-inspectiontool)?)\/?([\w\.]*)/i, 
 
@@ -176,9 +181,10 @@ const Emails = Object.freeze({
 const Fetchers = Object.freeze({
     browser : [
         [
+            // AhrefsSiteAudit - https://ahrefs.com/robot/site-audit
             // ChatGPT-User - https://platform.openai.com/docs/plugins/bot
-            // BingPreview / Mastodon / Pinterestbot / Redditbot / Telegrambot / Twitterbot
-            /(bingpreview|chatgpt-user|mastodon|(?:discord|linkedin|pinterest|reddit|telegram|twitter)bot)\/([\w\.]+)/i,
+            // BingPreview / Mastodon / Pinterestbot / Redditbot / Rogerbot / Telegrambot / Twitterbot / UptimeRobot
+            /(ahrefssiteaudit|bingpreview|chatgpt-user|mastodon|(?:discord|linkedin|pinterest|reddit|roger|telegram|twitter|uptimero)bot)\/([\w\.]+)/i,
 
             // Slackbot - https://api.slack.com/robots
             /(slack(?:bot)?(?:-imgproxy|-linkexpanding)?) ([\w\.]+)/i,
diff --git a/test/specs/browser-crawlers.json b/test/specs/browser-crawlers.json
index b7e8169..b205ebf 100644
--- a/test/specs/browser-crawlers.json
+++ b/test/specs/browser-crawlers.json
@@ -1,4 +1,14 @@
 [
+    {
+        "desc"    : "AhrefsBot",
+        "ua"      : "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)",
+        "expect"  :
+        {
+            "name"    : "AhrefsBot",
+            "version" : "7.0",
+            "type"    : "crawler"
+        }
+    },
     {
         "desc"    : "Applebot",
         "ua"      : "Mozilla/5.0 (iPhone; CPU iPhone OS 8_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12B410 Safari/600.1.4 (Applebot/0.1;+http://www.apple.com/go/applebot)",
@@ -39,6 +49,26 @@
             "type"    : "crawler"
         }
     },
+    {
+        "desc"    : "Coc Coc Bot (web)",
+        "ua"      : "Mozilla/5.0 (compatible; coccocbot-web/1.0; +http://help.coccoc.com/searchengine)",
+        "expect"  :
+        {
+            "name"    : "coccocbot-web",
+            "version" : "1.0",
+            "type"    : "crawler"
+        }
+    },
+    {
+        "desc"    : "Coc Coc Bot (image)",
+        "ua"      : "Mozilla/5.0 (compatible; coccocbot-image/1.0; +http://help.coccoc.com/searchengine)",
+        "expect"  :
+        {
+            "name"    : "coccocbot-image",
+            "version" : "1.0",
+            "type"    : "crawler"
+        }
+    },
     {
         "desc"    : "ClaudeWeb",
         "ua"      : "Claude-Web/1.0 (web crawler; +https://www.anthropic.com/; bots@anthropic.com)",
@@ -49,6 +79,16 @@
             "type"    : "crawler"
         }
     },
+    {
+        "desc"    : "Dotbot",
+        "ua"      : "Mozilla/5.0 (compatible; DotBot/1.2; +https://opensiteexplorer.org/dotbot; help@moz.com)",
+        "expect"  :
+        {
+            "name"    : "DotBot",
+            "version" : "1.2",
+            "type"    : "crawler"
+        }
+    },
     {
         "desc"    : "FacebookBot",
         "ua"      : "Mozilla/5.0 (compatible; FacebookBot/1.0; +https://developers.facebook.com/docs/sharing/webmasters/facebookbot/",
diff --git a/test/specs/browser-fetchers.json b/test/specs/browser-fetchers.json
index 6b53772..c508bd2 100644
--- a/test/specs/browser-fetchers.json
+++ b/test/specs/browser-fetchers.json
@@ -1,4 +1,14 @@
 [
+    {
+        "desc"    : "AhrefsSiteAudit",
+        "ua"      : "Mozilla/5.0 (Linux; Android 13) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.128 Mobile Safari/537.36 (compatible; AhrefsSiteAudit/6.1; +http://ahrefs.com/robot/site-audit)",
+        "expect"  :
+        {
+            "name"    : "AhrefsSiteAudit",
+            "version" : "6.1",
+            "type"    : "fetcher"
+        }
+    },
     {
         "desc"    : "BingPreview",
         "ua"      : "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b",
@@ -18,5 +28,25 @@
             "version" : "1.0",
             "type"    : "fetcher"
         }
+    },
+    {
+        "desc"    : "Rogerbot",
+        "ua"      : "Mozilla/5.0 (compatible; rogerBot/1.0; UrlCrawler; http://www.seomoz.org/dp/rogerbot)",
+        "expect"  :
+        {
+            "name"    : "rogerBot",
+            "version" : "1.0",
+            "type"    : "fetcher"
+        }
+    },
+    {
+        "desc"    : "UptimeRobot",
+        "ua"      : "Mozilla/5.0 (compatible; UptimeRobot/2.0; http://www.uptimerobot.com/)",
+        "expect"  :
+        {
+            "name"    : "UptimeRobot",
+            "version" : "2.0",
+            "type"    : "fetcher"
+        }
     }
 ]
\ No newline at end of file