diff --git a/pgml-apps/cargo-pgml-components/Cargo.lock b/pgml-apps/cargo-pgml-components/Cargo.lock
index c02281263..518bdd2e6 100644
--- a/pgml-apps/cargo-pgml-components/Cargo.lock
+++ b/pgml-apps/cargo-pgml-components/Cargo.lock
@@ -79,7 +79,7 @@ checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
 
 [[package]]
 name = "cargo-pgml-components"
-version = "0.1.8"
+version = "0.1.10"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/pgml-apps/cargo-pgml-components/Cargo.toml b/pgml-apps/cargo-pgml-components/Cargo.toml
index be13f563c..2b6bd6c32 100644
--- a/pgml-apps/cargo-pgml-components/Cargo.toml
+++ b/pgml-apps/cargo-pgml-components/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo-pgml-components"
-version = "0.1.9"
+version = "0.1.10"
 edition = "2021"
 authors = ["PostgresML <team@postgresml.org>"]
 license = "MIT"
diff --git a/pgml-apps/cargo-pgml-components/src/frontend/components.rs b/pgml-apps/cargo-pgml-components/src/frontend/components.rs
index d1833b281..2dbb0a705 100644
--- a/pgml-apps/cargo-pgml-components/src/frontend/components.rs
+++ b/pgml-apps/cargo-pgml-components/src/frontend/components.rs
@@ -1,11 +1,11 @@
 use convert_case::{Case, Casing};
 use sailfish::TemplateOnce;
-use std::fs::{create_dir_all, read_dir};
+use std::fs::{create_dir_all, read_dir, read_to_string};
 use std::path::Path;
 use std::process::exit;
 
 use crate::frontend::templates;
-use crate::util::{error, info, unwrap_or_exit, write_to_file};
+use crate::util::{compare_strings, error, info, unwrap_or_exit, write_to_file};
 
 static COMPONENT_DIRECTORY: &'static str = "src/components";
 static COMPONENT_MOD: &'static str = "src/components/mod.rs";
@@ -131,7 +131,13 @@ pub fn update_modules() {
     }
 
     let modules = unwrap_or_exit!(templates::Mod { modules }.render_once());
+    let existing_modules = unwrap_or_exit!(read_to_string(COMPONENT_MOD));
 
-    unwrap_or_exit!(write_to_file(&Path::new(COMPONENT_MOD), &modules));
-    info(&format!("written {}", COMPONENT_MOD));
+    if !unwrap_or_exit!(compare_strings(&modules, &existing_modules)) {
+        debug!("mod.rs is different");
+        unwrap_or_exit!(write_to_file(&Path::new(COMPONENT_MOD), &modules));
+        info(&format!("written {}", COMPONENT_MOD));
+    }
+
+    debug!("mod.rs is the same");
 }
diff --git a/pgml-apps/cargo-pgml-components/src/util.rs b/pgml-apps/cargo-pgml-components/src/util.rs
index ec3d4aa3d..d500aa78d 100644
--- a/pgml-apps/cargo-pgml-components/src/util.rs
+++ b/pgml-apps/cargo-pgml-components/src/util.rs
@@ -1,5 +1,5 @@
 use owo_colors::OwoColorize;
-use std::fs::File;
+use std::fs::{read_to_string, File};
 use std::io::{ErrorKind, Write};
 use std::path::Path;
 use std::process::Command;
@@ -78,3 +78,16 @@ pub fn write_to_file(path: &Path, content: &str) -> std::io::Result<()> {
 
     Ok(())
 }
+
+#[allow(dead_code)]
+pub fn compare_files(path1: &Path, path2: &Path) -> std::io::Result<bool> {
+    let content1 = read_to_string(path1)?;
+    let content2 = read_to_string(path2)?;
+
+    compare_strings(&content1, &content2)
+}
+
+pub fn compare_strings(string1: &str, string2: &str) -> std::io::Result<bool> {
+    // TODO: faster string comparison method needed.
+    Ok(string1 == string2)
+}
diff --git a/pgml-dashboard/static/js/.ignore b/pgml-dashboard/static/js/.ignore
new file mode 100644
index 000000000..a9b203a6e
--- /dev/null
+++ b/pgml-dashboard/static/js/.ignore
@@ -0,0 +1 @@
+main.js
diff --git a/pgml-dashboard/templates/content/playground.html b/pgml-dashboard/templates/content/playground.html
index 792f7621d..1d03bb214 100644
--- a/pgml-dashboard/templates/content/playground.html
+++ b/pgml-dashboard/templates/content/playground.html
@@ -1 +1,11 @@
+<% use crate::components::*; %>
+
 <h3 class="h3">Playground</h3>
+
+<div class="mb-3">
+  <%+ GithubIcon::new() %>
+</div>
+
+<div class="mb-3">
+  <%- Navbar::render(None) %>
+</div>