diff --git a/blog/page.py b/blog/page.py
index ce4a260..3ee675f 100644
--- a/blog/page.py
+++ b/blog/page.py
@@ -14,7 +14,7 @@ def new_page(title: str, path: Path) -> Path:
 
     today = date.today().strftime("%Y-%m-%d")
 
-    filename = path + '/' + re.sub("[^a-zA-Z0-9-]", "_", title) + ".md"
+    filename = path + "/" + re.sub("[^a-zA-Z0-9-]", "_", title) + ".md"
     id = uuid.uuid4()
     content = textwrap.dedent(
         f"""\
@@ -43,6 +43,8 @@ class Page:
     md_content = ""
     filename = ""
 
+    _cache = ""
+
     def __init__(self, filename: Path):
         """Constructeur : nouvelle page"""
         self.filename = filename
@@ -84,12 +86,14 @@ class Page:
 
     def html(self) -> str:
         """Convertit le markdown en html"""
-        return markdown.markdown(
-            self.md_content, extensions=["codehilite", "fenced_code"]
-        )
+        if not self._cache:
+            self._cache = markdown.markdown(
+                self.md_content, extensions=["codehilite", "fenced_code"]
+            )
 
+        return self._cache
 
-    def html_template(self, template: jinja2.Template) -> str: 
+    def html_template(self, template: jinja2.Template) -> str:
         """Convertit la page en html a partir d'un template jinja2"""
         title = self.meta["title"] or "Sans titre"
         date = self.meta["date"] or None