diff --git a/pyproject.toml b/pyproject.toml
index 50f8d47d..5a67f8f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,6 +81,7 @@ tests = [
     "pytest-cov",
     "pytz",
     "tzdata",
+    "xmldiff",
 ]
 typing = [
     "mypy",
diff --git a/tests/ogc_conformance/ogc_kml_test.py b/tests/ogc_conformance/ogc_kml_test.py
new file mode 100644
index 00000000..3c47098d
--- /dev/null
+++ b/tests/ogc_conformance/ogc_kml_test.py
@@ -0,0 +1,121 @@
+import pathlib
+
+from xmldiff import formatting
+from xmldiff import main
+
+import fastkml
+import fastkml.validator
+from tests.base import Lxml
+
+BASEDIR = pathlib.Path(__file__).parent
+KMLFILEDIR = BASEDIR / "data" / "kml"
+
+
+class TestLxml(Lxml):
+    """Test with the standard library."""
+
+    def test_document_clean(self) -> None:
+        clean_doc = KMLFILEDIR / "Document-clean.kml"
+        expected_xml = clean_doc.open("rb").read()
+        formatter = formatting.XmlDiffFormatter(normalize=formatting.WS_BOTH)
+        # TODO: Add NetworkLinkControl parser
+        doc = fastkml.kml.KML.parse(clean_doc)
+
+        diff = main.diff_texts(
+            doc.to_string().encode("utf-8"),
+            expected_xml,
+        )
+
+        assert fastkml.validator.validate(file_to_validate=clean_doc)
+        assert fastkml.validator.validate(element=doc.etree_element())
+
+    def test_docunemt_empty_placemark_without_id(self) -> None:
+        empty_placemark = KMLFILEDIR / "emptyPlacemarkWithoutId.xml"
+        expected_xml = empty_placemark.open("rb").read()
+        formatter = formatting.DiffFormatter(normalize=formatting.WS_BOTH)
+
+        doc = fastkml.kml.KML.parse(empty_placemark)
+
+        diff = main.diff_texts(
+            doc.to_string(),
+            expected_xml,
+        )
+        assert diff == []
+        assert fastkml.validator.validate(file_to_validate=empty_placemark)
+        assert fastkml.validator.validate(element=doc.etree_element())
+
+    def test_document_deprecated(self) -> None:
+        deprecated_doc = KMLFILEDIR / "Document-deprecated.kml"
+        expected_xml = deprecated_doc.open("rb").read()
+        formatter = formatting.DiffFormatter(normalize=formatting.WS_BOTH)
+
+        doc = fastkml.kml.KML.parse(deprecated_doc)
+
+        diff = main.diff_texts(
+            doc.to_string(),
+            expected_xml,
+        )
+
+        # assert diff is None
+
+    def test_document_places(self) -> None:
+        places_doc = KMLFILEDIR / "Document-places.kml"
+        expected_xml = places_doc.open("rb").read()
+        formatter = formatting.DiffFormatter(normalize=formatting.WS_BOTH)
+
+        doc = fastkml.kml.KML.parse(places_doc)
+
+        diff = main.diff_texts(
+            doc.to_string(precision=2),
+            expected_xml,
+            formatter=formatter,
+        )
+
+        assert diff == ""
+        assert fastkml.validator.validate(file_to_validate=places_doc)
+        assert fastkml.validator.validate(element=doc.etree_element())
+
+    def test_document_kml_samples(self) -> None:
+        kml_samples_doc = KMLFILEDIR / "KML_Samples.kml"
+        expected_xml = kml_samples_doc.open("rb").read()
+        formatter = formatting.DiffFormatter(normalize=formatting.WS_BOTH)
+
+        doc = fastkml.kml.KML.parse(kml_samples_doc)
+
+        diff = main.diff_texts(
+            doc.to_string(),
+            expected_xml,
+            formatter=formatter,
+        )
+
+        # assert diff is None
+        assert fastkml.validator.validate(file_to_validate=kml_samples_doc)
+        assert fastkml.validator.validate(element=doc.etree_element())
+
+    def test_document_linearring_with_1d_tuple(self) -> None:
+        linearring_1d_tuples = KMLFILEDIR / "LinearRingWith1DTuple.kml"
+        expected_xml = linearring_1d_tuples.open("rb").read()
+        formatter = formatting.DiffFormatter(normalize=formatting.WS_BOTH)
+
+        doc = fastkml.kml.KML.parse(linearring_1d_tuples)
+
+        diff = main.diff_texts(
+            doc.to_string(precision=1),
+            expected_xml,
+            formatter=formatter,
+        )
+
+        # assert diff is None
+        assert fastkml.validator.validate(file_to_validate=linearring_1d_tuples)
+        # assert fastkml.validate.validate(element=doc.etree_element())
+
+    def test_read_kml_samples(self) -> None:
+        for p in KMLFILEDIR.glob("**/models/*.kml"):
+            doc = fastkml.kml.KML.parse(p)
+            diff = main.diff_texts(
+                doc.to_string(),
+                p.open("rb").read()
+            )
+            assert diff == []
+            assert doc.validate()
+            
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