diff --git a/src/Handlers/CrawlRequestFulfilled.php b/src/Handlers/CrawlRequestFulfilled.php
index 6b16e16..476dfb0 100644
--- a/src/Handlers/CrawlRequestFulfilled.php
+++ b/src/Handlers/CrawlRequestFulfilled.php
@@ -32,6 +32,10 @@ public function __construct(protected Crawler $crawler)
     public function __invoke(ResponseInterface $response, $index)
     {
         $body = $this->getBody($response);
+        if (empty($body)) {
+            usleep($this->crawler->getDelayBetweenRequests());
+            return;
+        }
 
         $robots = new CrawlerRobots(
             $response->getHeaders(),
diff --git a/tests/CrawlerTest.php b/tests/CrawlerTest.php
index 2ecbed9..0e7b80a 100644
--- a/tests/CrawlerTest.php
+++ b/tests/CrawlerTest.php
@@ -436,8 +436,35 @@ public function shouldCrawl(UriInterface $url): bool
         ->startCrawling('http://localhost:8080/content-types');
 
     $urls = [
-        ['url' => 'http://localhost:8080/content-types/music.html', 'foundOn' => 'http://localhost:8080/content-types/music.mp3'],
-        ['url' => 'http://localhost:8080/content-types/video.html', 'foundOn' => 'http://localhost:8080/content-types/video.mkv'],
+        ['url' => 'http://localhost:8080/content-types/music.mp3', 'foundOn' => 'http://localhost:8080/content-types'],
+        ['url' => 'http://localhost:8080/content-types/video.mkv', 'foundOn' => 'http://localhost:8080/content-types'],
+        ['url' => 'http://localhost:8080/content-types/normal.html', 'foundOn' => 'http://localhost:8080/content-types'],
+    ];
+
+    expect($urls)->sequence(
+        function ($url) {
+            $url->notToBeCrawled();
+        },
+        function ($url) {
+            $url->notToBeCrawled();
+        },
+        function ($url) {
+            $url->toBeCrawledOnce();
+        },
+    );
+
+    assertCrawledUrlCount(2);
+});
+
+it('will only crawl correct mime types when asked to when executing javascript', function () {
+    createCrawler()
+        ->executeJavaScript()
+        ->setParseableMimeTypes(['text/html', 'text/plain'])
+        ->startCrawling('http://localhost:8080/content-types');
+
+    $urls = [
+        ['url' => 'http://localhost:8080/content-types/music.mp3', 'foundOn' => 'http://localhost:8080/content-types'],
+        ['url' => 'http://localhost:8080/content-types/video.mkv', 'foundOn' => 'http://localhost:8080/content-types'],
         ['url' => 'http://localhost:8080/content-types/normal.html', 'foundOn' => 'http://localhost:8080/content-types'],
     ];
 
@@ -453,7 +480,7 @@ function ($url) {
         },
     );
 
-    assertCrawledUrlCount(4);
+    assertCrawledUrlCount(2);
 });
 
 it('will crawl all content types when not explicitly whitelisted', function () {