diff --git a/htmlproofer/plugin.py b/htmlproofer/plugin.py
index 87ae85c..af9eefc 100644
--- a/htmlproofer/plugin.py
+++ b/htmlproofer/plugin.py
@@ -160,8 +160,12 @@ def find_target_markdown(url: str, src_path: str, files: Dict[str, File]) -> Opt
     def find_source_file(url: str, src_path: str, files: Dict[str, File]) -> Optional[File]:
         """From a built URL, find the original file from the project that built it."""
 
-        # Handle relative links by concatenating the source dir with the destination path
-        search_path = os.path.normpath(str(pathlib.Path(src_path).parent / pathlib.Path(url)))
+        if len(url) > 1 and url[0] == '/':
+            # Convert root/site paths
+            search_path = os.path.normpath(url[1:])
+        else:
+            # Handle relative links by concatenating the source dir with the destination path
+            search_path = os.path.normpath(str(pathlib.Path(src_path).parent / pathlib.Path(url)))
 
         try:
             return files[search_path]
diff --git a/tests/integration/docs/index.md b/tests/integration/docs/index.md
index 70b1f6f..4d302a6 100644
--- a/tests/integration/docs/index.md
+++ b/tests/integration/docs/index.md
@@ -74,4 +74,10 @@ This work is based on the [mkdocs-markdownextradata-plugin](https://github.com/r
 ## GitHub Action
 
 ![GitHub Action](https://github.com/manuzhang/mkdocs-htmlproofer-plugin/actions/workflows/ci.yml/badge.svg){ #github-action }
-[GitHub Action](#github-action)
\ No newline at end of file
+[GitHub Action](#github-action)
+
+## Image Link absolute/relative
+
+<a href="assets/hello-world.drawio.svg">![test](assets/hello-world.drawio.svg)</a>
+
+<a href="/assets/hello-world.drawio.svg">![test](/assets/hello-world.drawio.svg)</a>
diff --git a/tests/integration/docs/nested/page1.md b/tests/integration/docs/nested/page1.md
index ba26388..c96b242 100644
--- a/tests/integration/docs/nested/page1.md
+++ b/tests/integration/docs/nested/page1.md
@@ -23,3 +23,9 @@ or to a nested page
 But allows valid anchors such as
 [Main Page](../index.md#mkdocs-htmlproofer-plugin) and
 [Table of Contents](../index.md#table-of-contents).
+
+## Image Link absolute/relative
+
+<a href="../assets/hello-world.drawio.svg">![test](../assets/hello-world.drawio.svg)</a>
+
+<a href="/assets/hello-world.drawio.svg">![test](/assets/hello-world.drawio.svg)</a>
diff --git a/tests/integration/mkdocs.yml b/tests/integration/mkdocs.yml
index bb7a878..f79ce65 100644
--- a/tests/integration/mkdocs.yml
+++ b/tests/integration/mkdocs.yml
@@ -6,7 +6,7 @@ markdown_extensions:
   - attr_list
 plugins:
     - htmlproofer:
-        raise_error: True
+        raise_error_after_finish: True
         raise_error_excludes:
           504: ['*']
           404: ['https://www.mkdocs.org/user-guide/plugin',
diff --git a/tests/unit/test_plugin.py b/tests/unit/test_plugin.py
index 39aacc3..b93f3da 100644
--- a/tests/unit/test_plugin.py
+++ b/tests/unit/test_plugin.py
@@ -189,6 +189,7 @@ def test_get_url_status__non_markdown_page(plugin):
     ])}
 
     assert plugin.get_url_status('drawing.svg', 'index.md', set(), files, False) == 0
+    assert plugin.get_url_status('/drawing.svg', 'index.md', set(), files, False) == 0
     assert plugin.get_url_status('not-existing.svg', 'index.md', set(), files, False) == 404
 
 
@@ -214,3 +215,5 @@ def test_get_url_status__local_page_nested(plugin):
 
     assert plugin.get_url_status('foo/bar/nested.html#nested-one', 'index.md', set(), files, False) == 0
     assert plugin.get_url_status('foo/baz/nested.html#nested-two', 'index.md', set(), files, False) == 0
+
+    assert plugin.get_url_status('/index.html', 'foo/baz/sibling.md', set(), files, False) == 0