diff --git a/esphome/components/web_server_idf/web_server_idf.h b/esphome/components/web_server_idf/web_server_idf.h
index 8c37690c1c7..2a334a11e30 100644
--- a/esphome/components/web_server_idf/web_server_idf.h
+++ b/esphome/components/web_server_idf/web_server_idf.h
@@ -81,6 +81,7 @@ class AsyncResponseStream : public AsyncWebServerResponse {
   void print(const std::string &str) { this->content_.append(str); }
   void print(float value);
   void printf(const char *fmt, ...) __attribute__((format(printf, 2, 3)));
+  void write(uint8_t c) { this->content_.push_back(static_cast<char>(c)); }
 
  protected:
   std::string content_;
diff --git a/tests/components/web_server/test_v1.esp32-idf.yaml b/tests/components/web_server/test_v1.esp32-idf.yaml
new file mode 100644
index 00000000000..389a930284a
--- /dev/null
+++ b/tests/components/web_server/test_v1.esp32-idf.yaml
@@ -0,0 +1 @@
+<<: !include common_v1.yaml