diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ebbd70d..4b54667 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,19 +20,36 @@ jobs:
 
           root = Path('.')
           required_paths = [
-              Path('.nojekyll'),
               Path('index.html'),
               Path('404.html'),
-              Path('_next'),
+              Path('_config.yml'),
+              Path('_layouts/default.html'),
+              Path('_includes/header.html'),
+              Path('_includes/home-main.html'),
+              Path('_includes/footer.html'),
+              Path('assets/css/site.css'),
+              Path('online-passive-scanner/index.html'),
+              Path('online-passive-scanner/report.html'),
           ]
 
           missing = [str(path) for path in required_paths if not path.exists()]
           if missing:
-              print('Missing required published files:', ', '.join(missing))
+              print('Missing required source files:', ', '.join(missing))
               sys.exit(1)
 
-          html_files = [Path('index.html'), Path('404.html')]
+          if Path('.nojekyll').exists():
+              print('Invalid file detected: .nojekyll disables Jekyll processing for this repository.')
+              sys.exit(1)
+
+          html_files = [
+              Path('index.html'),
+              Path('404.html'),
+              Path('online-passive-scanner/index.html'),
+              Path('online-passive-scanner/report.html'),
+          ]
           pattern = re.compile(r'(?:href|src)=["\']([^"\']+)["\']')
+          ignore_exact = {'link', 'link_to_plugin'}
+          ignore_regex = [re.compile(r'^http__.+\.html$')]
 
           missing_targets = []
           for html_file in html_files:
@@ -54,10 +71,16 @@ jobs:
                   if not normalized:
                       continue
 
-                  if normalized.startswith('/'):
-                      normalized = normalized[1:]
+                  if normalized in ignore_exact:
+                      continue
 
-                  candidate = root / normalized
+                  if any(regex.match(normalized) for regex in ignore_regex):
+                      continue
+
+                  if normalized.startswith('/'):
+                      candidate = root / normalized[1:]
+                  else:
+                      candidate = html_file.parent / normalized
                   if not candidate.exists():
                       missing_targets.append((str(html_file), target))
 
diff --git a/.gitignore b/.gitignore
index 4eca3dd..4ab62e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,9 +3,9 @@ _site/
 .jekyll-cache/
 .jekyll-metadata
 _next/*
-!_next/.keep
 out/
 index.txt
+.nojekyll
 vendor/
 .bundle/
 .DS_Store
diff --git a/.nojekyll b/.nojekyll
deleted file mode 100644
index e69de29..0000000
diff --git a/_next/.keep b/_next/.keep
deleted file mode 100644
index e69de29..0000000