diff --git a/composer.json b/composer.json
index 5a53b3eb..f19cb6ca 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
         "composer/class-map-generator": "^1.0.0",
         "imanghafoori/php-abstract-filesystem": "^0.1.5",
         "imanghafoori/php-search-replace": "^1.1.12",
-        "imanghafoori/php-token-analyzer": "^0.1.73",
+        "imanghafoori/php-token-analyzer": "^0.1.83",
         "imanghafoori/php-imports-analyzer": "^1.0.6",
         "imanghafoori/smart-realtime-facades": "^1.1.8",
         "jetbrains/phpstorm-attributes": "1.*",
diff --git a/src/Features/CheckImports/CheckImportsCommand.php b/src/Features/CheckImports/CheckImportsCommand.php
index 8c86f453..74435bd1 100644
--- a/src/Features/CheckImports/CheckImportsCommand.php
+++ b/src/Features/CheckImports/CheckImportsCommand.php
@@ -68,6 +68,8 @@ public function handle()
             CheckClassReferencesAreValid::$wrongClassRefsHandler = PrintWrongClassRefs::class;
         }
 
+        CheckClassReferencesAreValid::$cache = cache()->get('micro_imports__223r') ?: [];
+
         if ($this->option('force')) {
             FacadeAliasReplacer::$forceReplace = true;
         }
@@ -86,11 +88,7 @@ public function handle()
         $folder = ltrim($this->option('folder'), '=');
         $folder = rtrim($folder, '/\\');
 
-        $routeFiles = FilePath::removeExtraPaths(
-            RoutePaths::get(),
-            $folder,
-            $fileName
-        );
+        $routeFiles = FilePath::removeExtraPaths(RoutePaths::get(), $folder, $fileName);
 
         $autoloadedFilesGen = FilePath::removeExtraPaths(
             ComposerJson::autoloadedFilesList(base_path()),
@@ -98,7 +96,7 @@ public function handle()
             $fileName
         );
 
-        $paramProvider = $this->getParamProvider();
+        $paramProvider = self::getParamProvider();
 
         $checks = $this->checks;
         unset($checks[1]);
@@ -110,7 +108,7 @@ public function handle()
 
         $foldersStats = FileIterators::checkFolders(
             $checks,
-            $this->getLaravelFolders(),
+            self::getLaravelFolders(),
             $paramProvider,
             $fileName,
             $folder
@@ -131,7 +129,7 @@ public function handle()
         $messages[0] = CheckImportReporter::totalImportsMsg();
         $messages[1] = Reporters\Psr4Report::printAutoload($psr4Stats, $classMapStats);
         $messages[2] = CheckImportReporter::header();
-        $messages[3] = $this->getFilesStats();
+        $messages[3] = self::getFilesStats();
         $messages[4] = Reporters\BladeReport::getBladeStats($bladeStats);
         $messages[5] = Reporters\LaravelFoldersReport::foldersStats($foldersStats);
         $messages[6] = CheckImportReporter::getRouteStats($routeFiles);
@@ -148,15 +146,19 @@ public function handle()
         $errorPrinter->printTime();
 
         if (Thanks::shouldShow()) {
-            $this->printThanks($this);
+            self::printThanks($this);
         }
 
+        cache()->rememberForever('microscope_imports_252r', function () {
+            return CheckClassReferencesAreValid::$cache;
+        });
+
         $this->line('');
 
         return ErrorCounter::getTotalErrors() > 0 ? 1 : 0;
     }
 
-    private function printThanks($command)
+    private static function printThanks($command)
     {
         $command->line(PHP_EOL);
         foreach (Thanks::messages() as $msg) {
@@ -167,7 +169,7 @@ private function printThanks($command)
     /**
      * @return \Closure
      */
-    private function getParamProvider()
+    private static function getParamProvider()
     {
         return function (PhpFileDescriptor $file) {
             $imports = ParseUseStatement::parseUseStatements($file->getTokens());
@@ -176,7 +178,7 @@ private function getParamProvider()
         };
     }
 
-    private function getFilesStats()
+    private static function getFilesStats()
     {
         $filesCount = ChecksOnPsr4Classes::$checkedFilesCount;
 
@@ -186,7 +188,7 @@ private function getFilesStats()
     /**
      * @return array<string, \Generator>
      */
-    private function getLaravelFolders()
+    private static function getLaravelFolders()
     {
         return [
             'config' => LaravelPaths::configDirs(),
diff --git a/src/Features/CheckImports/Checks/CheckClassReferencesAreValid.php b/src/Features/CheckImports/Checks/CheckClassReferencesAreValid.php
index 2e9bd4de..df31f64a 100644
--- a/src/Features/CheckImports/Checks/CheckClassReferencesAreValid.php
+++ b/src/Features/CheckImports/Checks/CheckClassReferencesAreValid.php
@@ -2,6 +2,7 @@
 
 namespace Imanghafoori\LaravelMicroscope\Features\CheckImports\Checks;
 
+use Closure;
 use Imanghafoori\LaravelMicroscope\Check;
 use Imanghafoori\LaravelMicroscope\Features\CheckImports\Handlers;
 use Imanghafoori\LaravelMicroscope\Foundations\PhpFileDescriptor;
@@ -13,6 +14,8 @@ class CheckClassReferencesAreValid implements Check
 
     public static $checkExtra = true;
 
+    public static $cache = [];
+
     public static $extraCorrectImportsHandler = Handlers\ExtraCorrectImports::class;
 
     public static $extraWrongImportsHandler = Handlers\ExtraWrongImports::class;
@@ -21,17 +24,34 @@ class CheckClassReferencesAreValid implements Check
 
     public static function check(PhpFileDescriptor $file, $imports = [])
     {
-        $tokens = $file->getTokens();
+        loopStart:
+        $md5 = $file->getMd5();
         $absFilePath = $file->getAbsolutePath();
 
-        loopStart:
+        $tokens = $file->getTokens();
+        $refFinder = function () use ($file, $tokens, $imports) {
+            $absFilePath = $file->getAbsolutePath();
+
+            return ImportsAnalyzer::findClassRefs($tokens, $absFilePath, $imports);
+        };
+
+        if (count($tokens) > 100) {
+            $refFinder = function () use ($md5, $refFinder) {
+                return self::getForever($md5, $refFinder);
+            };
+        }
+
         [
+            $classReferences,
             $hostNamespace,
-            $extraWrongImports,
-            $extraCorrectImports,
-            $wrongClassRefs,
-            $wrongDocblockRefs,
-        ] = ImportsAnalyzer::getWrongRefs($tokens, $absFilePath, $imports);
+            $extraImports,
+            $docblockRefs,
+            $attributeReferences,
+        ] = $refFinder();
+
+        [$wrongClassRefs] = ImportsAnalyzer::filterWrongClassRefs($classReferences, $absFilePath);
+        [$wrongDocblockRefs] = ImportsAnalyzer::filterWrongClassRefs($docblockRefs, $absFilePath);
+        [$extraWrongImports, $extraCorrectImports] = ImportsAnalyzer::filterWrongClassRefs($extraImports, $absFilePath);
 
         if (self::$checkWrong && self::$wrongClassRefsHandler) {
             [$tokens, $isFixed] = self::$wrongClassRefsHandler::handle(
@@ -63,4 +83,9 @@ private static function handleExtraImports($absFilePath, $extraWrongImports, $ex
             self::$extraCorrectImportsHandler::handle($extraCorrectImports, $absFilePath);
         }
     }
+
+    public static function getForever($md5, Closure $refFinder)
+    {
+        return self::$cache[$md5] ?? (self::$cache[$md5] = $refFinder());
+    }
 }