diff --git a/config/app.php.txt b/config/app.php.txt
index c5af62a..8469469 100644
--- a/config/app.php.txt
+++ b/config/app.php.txt
@@ -270,14 +270,24 @@ define('CRAWL_HOST_DEFAULT_STATUS', true);
 define('CRAWL_HOST_DEFAULT_META_ONLY', false);
 
 /*
- * Images limit per new host by default
+ * Not suitable/safe for work status for new host by default
  *
- * Crawler stops indexing on this limit reach to prevent disk overuse
+ * Could be filtered in search results
+ *
+ * Custom rule for specified host could be provided in the DB `host`.`nsfw` field
+ *
+ */
+define('CRAWL_HOST_DEFAULT_NSFW', false);
+
+/*
+ * Not suitable/safe for work status for new host by default
+ *
+ * Could be filtered in crawl conditions or search results
  *
- * Custom rule for specified host could be provided in the DB `host`.`crawlImageLimit` field
+ * Custom rule for specified host could be provided in the DB `host`.`nsfw` field
  *
  */
-define('CRAWL_HOST_DEFAULT_IMAGES_LIMIT', 1000);
+define('CRAWL_HOST_DEFAULT_NSFW', false);
 
 /*
  * Default robots.txt rules on remote file not exists
@@ -314,7 +324,7 @@ define('CRAWL_MANIFEST', true);
  * Manifest API version compatibility
  *
  */
-define('CRAWL_MANIFEST_API_VERSION', 0.6);
+define('CRAWL_MANIFEST_API_VERSION', 0.7);
 
 /*
  * Set default auto-crawl status for new manifest added
@@ -438,6 +448,7 @@ define('API_HOSTS_FIELDS',
         `host`.`crawlImageLimit`,
         `host`.`robots`,
         `host`.`robotsPostfix`,
+        `host`.`nsfw`,
         `host`.`timeAdded`,
         `host`.`timeUpdated`,
         (SELECT COUNT(*) FROM `hostPage` WHERE `hostPage`.`hostId` = `host`.`hostId`) AS `hostPagesTotal`,
diff --git a/crontab/crawler.php b/crontab/crawler.php
index fea424b..a390572 100644
--- a/crontab/crawler.php
+++ b/crontab/crawler.php
@@ -171,6 +171,7 @@ try {
         if ($host = $db->getHost(crc32($hostURL))) {
 
           $hostStatus        = $host->status;
+          $hostNsfw          = $host->nsfw;
           $hostPageLimit     = $host->crawlPageLimit;
           $hostImageLimit    = $host->crawlImageLimit;
           $hostId            = $host->hostId;
@@ -198,6 +199,7 @@ try {
           $hostRobotsPostfix = CRAWL_ROBOTS_POSTFIX_RULES;
 
           $hostStatus    = CRAWL_HOST_DEFAULT_STATUS;
+          $hostNsfw      = CRAWL_HOST_DEFAULT_NSFW;
           $hostPageLimit = CRAWL_HOST_DEFAULT_PAGES_LIMIT;
           $hostImageLimit= CRAWL_HOST_DEFAULT_IMAGES_LIMIT;
 
@@ -211,6 +213,7 @@ try {
                                         $hostImageLimit,
                                         (string) CRAWL_HOST_DEFAULT_META_ONLY,
                                         (string) $hostStatus,
+                                        (string) $hostNsfw,
                                         $hostRobots,
                                         $hostRobotsPostfix);
 
@@ -534,6 +537,7 @@ try {
           if ($host = $db->getHost(crc32($hostImageURL->string))) {
 
             $hostStatus        = $host->status;
+            $hostNsfw          = $host->nsfw;
             $hostPageLimit     = $host->crawlPageLimit;
             $hostImageLimit    = $host->crawlImageLimit;
             $hostId            = $host->hostId;
@@ -561,6 +565,7 @@ try {
             $hostRobotsPostfix = CRAWL_ROBOTS_POSTFIX_RULES;
 
             $hostStatus    = CRAWL_HOST_DEFAULT_STATUS;
+            $hostNsfw      = CRAWL_HOST_DEFAULT_NSFW;
             $hostPageLimit = CRAWL_HOST_DEFAULT_PAGES_LIMIT;
             $hostImageLimit= CRAWL_HOST_DEFAULT_IMAGES_LIMIT;
             $hostId        = $db->addHost($hostImageURL->scheme,
@@ -573,6 +578,7 @@ try {
                                           $hostImageLimit,
                                           (string) CRAWL_HOST_DEFAULT_META_ONLY,
                                           (string) $hostStatus,
+                                          (string) $hostNsfw,
                                           $hostRobots,
                                           $hostRobotsPostfix);
 
@@ -692,6 +698,7 @@ try {
         if ($host = $db->getHost(crc32($hostURL->string))) {
 
           $hostStatus        = $host->status;
+          $hostNsfw          = $host->nsfw;
           $hostPageLimit     = $host->crawlPageLimit;
           $hostImageLimit    = $host->crawlImageLimit;
           $hostId            = $host->hostId;
@@ -719,6 +726,7 @@ try {
           $hostRobotsPostfix = CRAWL_ROBOTS_POSTFIX_RULES;
 
           $hostStatus    = CRAWL_HOST_DEFAULT_STATUS;
+          $hostNsfw      = CRAWL_HOST_DEFAULT_NSFW;
           $hostPageLimit = CRAWL_HOST_DEFAULT_PAGES_LIMIT;
           $hostImageLimit= CRAWL_HOST_DEFAULT_IMAGES_LIMIT;
           $hostId        = $db->addHost($hostURL->scheme,
@@ -731,6 +739,7 @@ try {
                                         $hostImageLimit,
                                         (string) CRAWL_HOST_DEFAULT_META_ONLY,
                                         (string) $hostStatus,
+                                        (string) $hostNsfw,
                                         $hostRobots,
                                         $hostRobotsPostfix);
 
diff --git a/database/yggo.mwb b/database/yggo.mwb
index 330c005..fd58c14 100644
Binary files a/database/yggo.mwb and b/database/yggo.mwb differ
diff --git a/library/mysql.php b/library/mysql.php
index c21a4a7..9dddd2b 100644
--- a/library/mysql.php
+++ b/library/mysql.php
@@ -102,11 +102,11 @@ class MySQL {
     return $query->fetch()->total;
   }
 
-  public function addHost(string $scheme, string $name, mixed $port, int $crc32url, int $timeAdded, mixed $timeUpdated, int $crawlPageLimit, int $crawlImageLimit, string $crawlMetaOnly, string $status, mixed $robots, mixed $robotsPostfix) {
+  public function addHost(string $scheme, string $name, mixed $port, int $crc32url, int $timeAdded, mixed $timeUpdated, int $crawlPageLimit, int $crawlImageLimit, string $crawlMetaOnly, string $status, string $nsfw, mixed $robots, mixed $robotsPostfix) {
 
-    $query = $this->_db->prepare('INSERT INTO `host` (`scheme`, `name`, `port`, `crc32url`, `timeAdded`, `timeUpdated`, `crawlPageLimit`, `crawlImageLimit`, `crawlMetaOnly`, `status`, `robots`, `robotsPostfix`) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)');
+    $query = $this->_db->prepare('INSERT INTO `host` (`scheme`, `name`, `port`, `crc32url`, `timeAdded`, `timeUpdated`, `crawlPageLimit`, `crawlImageLimit`, `crawlMetaOnly`, `status`, `nsfw`, `robots`, `robotsPostfix`) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)');
 
-    $query->execute([$scheme, $name, $port, $crc32url, $timeAdded, $timeUpdated, $crawlPageLimit, $crawlImageLimit, $crawlMetaOnly, $status, $robots, $robotsPostfix]);
+    $query->execute([$scheme, $name, $port, $crc32url, $timeAdded, $timeUpdated, $crawlPageLimit, $crawlImageLimit, $crawlMetaOnly, $status, $nsfw, $robots, $robotsPostfix]);
 
     return $this->_db->lastInsertId();
   }
diff --git a/public/api.php b/public/api.php
index 9639022..becf6ae 100644
--- a/public/api.php
+++ b/public/api.php
@@ -1,7 +1,7 @@
 <?php
 
 // Current version
-define('API_VERSION', 0.6);
+define('API_VERSION', 0.7);
 
 // Load system dependencies
 require_once('../config/app.php');
@@ -127,6 +127,7 @@ if (API_ENABLED) {
             'config' => [
               'websiteDomain'               => WEBSITE_DOMAIN,
               'crawlUrlRegexp'              => CRAWL_URL_REGEXP,
+              'crawlHostDefaultNsfw'        => CRAWL_HOST_DEFAULT_NSFW,
               'crawlHostDefaultPagesLimit'  => CRAWL_HOST_DEFAULT_PAGES_LIMIT,
               'crawlHostDefaultImagesLimit' => CRAWL_HOST_DEFAULT_IMAGES_LIMIT,
               'crawlHostDefaultStatus'      => CRAWL_HOST_DEFAULT_STATUS,
diff --git a/public/search.php b/public/search.php
index b801fab..8567163 100644
--- a/public/search.php
+++ b/public/search.php
@@ -59,6 +59,7 @@ if (filter_var($q, FILTER_VALIDATE_URL) && preg_match(CRAWL_URL_REGEXP, $q)) {
       if ($host = $db->getHost(crc32($hostURL->string))) {
 
         $hostStatus        = $host->status;
+        $hostNsfw          = $host->nsfw;
         $hostPageLimit     = $host->crawlPageLimit;
         $hostId            = $host->hostId;
         $hostRobots        = $host->robots;
@@ -82,6 +83,7 @@ if (filter_var($q, FILTER_VALIDATE_URL) && preg_match(CRAWL_URL_REGEXP, $q)) {
           $hostRobotsPostfix = CRAWL_ROBOTS_POSTFIX_RULES;
 
           $hostStatus    = CRAWL_HOST_DEFAULT_STATUS;
+          $hostNsfw      = CRAWL_HOST_DEFAULT_NSFW;
           $hostPageLimit = CRAWL_HOST_DEFAULT_PAGES_LIMIT;
           $hostId        = $db->addHost($hostURL->scheme,
                                         $hostURL->name,
@@ -92,6 +94,7 @@ if (filter_var($q, FILTER_VALIDATE_URL) && preg_match(CRAWL_URL_REGEXP, $q)) {
                                         $hostPageLimit,
                                         (string) CRAWL_HOST_DEFAULT_META_ONLY,
                                         (string) $hostStatus,
+                                        (string) $hostNsfw,
                                         $hostRobots,
                                         $hostRobotsPostfix);
         }