diff --git a/README.md b/README.md
index fcba123..8744a01 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 
 <div align="center">
-  <img src="https://github.com/The-Pocket/.github/raw/main/assets/title.png" width="600"/>
+  <img src="https://github.com/The-Pocket/.github/raw/main/assets/title.png" alt="Pocket Flow – 100-line minimalist LLM framework" width="600"/>
 </div>
 
 English | [中文](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_CHINESE.md) | [Español](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_SPANISH.md) | [日本語](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_JAPANESE.md) | [Deutsch](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_GERMAN.md) | [Русский](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_RUSSIAN.md) | [Português](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_PORTUGUESE.md) | [Français](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_FRENCH.md) | [한국어](https://github.com/The-Pocket/PocketFlow/blob/main/cookbook/pocketflow-batch/translations/README_KOREAN.md)
diff --git a/cookbook/pocketflow-parallel-batch-flow/flow.py b/cookbook/pocketflow-parallel-batch-flow/flow.py
index 7813e10..3282d2d 100644
--- a/cookbook/pocketflow-parallel-batch-flow/flow.py
+++ b/cookbook/pocketflow-parallel-batch-flow/flow.py
@@ -1,7 +1,7 @@
 """Flow definitions for parallel image processing."""
 
-from pocketflow import AsyncFlow, AsyncParallelBatchFlow, AsyncBatchFlow
-from nodes import LoadImage, ApplyFilter, SaveImage, NoOp
+from pocketflow import AsyncParallelBatchFlow, AsyncBatchFlow
+from nodes import LoadImage, ApplyFilter, SaveImage
 
 def create_base_flow():
     """Create flow for processing a single image with one filter."""
@@ -9,12 +9,10 @@ def create_base_flow():
     load = LoadImage()
     apply_filter = ApplyFilter()
     save = SaveImage()
-    noop = NoOp()
     
     # Connect nodes
     load - "apply_filter" >> apply_filter
     apply_filter - "save" >> save
-    save - "default" >> noop
     
     # Create flow
     return load
diff --git a/docs/_config.yml b/docs/_config.yml
index 93768ab..b68066a 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -1,10 +1,22 @@
 # Basic site settings
 title: Pocket Flow
 tagline: A 100-line LLM framework
-description: Minimalist LLM Framework in 100 Lines, Enabling LLMs to Program Themselves
+description: Pocket Flow – Minimalist LLM Framework in 100 Lines, Enabling LLMs to Program Themselves
 
 # Theme settings
 remote_theme: just-the-docs/just-the-docs
+search_enabled: true
+
+# SEO & sitemap
+plugins:
+  - jekyll-seo-tag
+  - jekyll-sitemap
+
+jekyll-seo-tag:
+  social:
+    name: "Pocket Flow"
+    twitter: "ZacharyHuang12"
+    github: "the-pocket/PocketFlow"
 
 # Navigation
 nav_sort: case_sensitive
@@ -25,8 +37,7 @@ author:
 
 # Mermaid settings
 mermaid:
-  version: "9.1.3"  # Pick the version you want
-  # Default configuration
+  version: "9.1.3"
   config: |
     directionLR
 
@@ -42,8 +53,8 @@ callouts:
     title: Best Practice
     color: green
   
-# The custom navigation
+# Custom navigation
 nav:
-  - Home: index.md       # Link to your main docs index
+  - Home: index.md
   - GitHub: "https://github.com/the-pocket/PocketFlow"
   - Discord: "https://discord.gg/hUHHE9Sa6T"
\ No newline at end of file
diff --git a/docs/index.md b/docs/index.md
index a56a48c..da3a527 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -13,7 +13,7 @@ A [100-line](https://github.com/the-pocket/PocketFlow/blob/main/pocketflow/__ini
 - **Agentic-Coding**: Intuitive enough for AI agents to help humans build complex LLM applications.
 
 <div align="center">
-  <img src="https://github.com/the-pocket/.github/raw/main/assets/meme.jpg?raw=true" width="400"/>
+  <img src="https://github.com/the-pocket/.github/raw/main/assets/meme.jpg?raw=true" alt="Pocket Flow – 100-line minimalist LLM framework" width="400"/>
 </div>
 
 
@@ -29,7 +29,7 @@ We model the LLM workflow as a **Graph + Shared Store**:
 - [(Advanced) Parallel](./core_abstraction/parallel.md) nodes/flows handle I/O-bound tasks.
 
 <div align="center">
-  <img src="https://github.com/the-pocket/.github/raw/main/assets/abstraction.png" width="700"/>
+  <img src="https://github.com/the-pocket/.github/raw/main/assets/abstraction.png" alt="Pocket Flow – Core Abstraction" width="700"/>
 </div>
 
 ## Design Pattern
@@ -44,7 +44,7 @@ From there, it’s easy to implement popular design patterns:
 - [(Advanced) Multi-Agents](./design_pattern/multi_agent.md) coordinate multiple agents.
 
 <div align="center">
-  <img src="https://github.com/the-pocket/.github/raw/main/assets/design.png" width="700"/>
+  <img src="https://github.com/the-pocket/.github/raw/main/assets/design.png" alt="Pocket Flow – Design Pattern" width="700"/>
 </div>
 
 ## Utility Function