diff --git a/caching/index.md b/caching/index.md
index e0cfdcbf4..d15fbb7d9 100644
--- a/caching/index.md
+++ b/caching/index.md
@@ -7,7 +7,7 @@ categories: Other
 tags:
  - Java
  - Difficulty-Intermediate
- - Caching
+ - Performance
 ---
 
 **Intent:** To avoid expensive re-acquisition of resources by not releasing
diff --git a/flyweight/index.md b/flyweight/index.md
index 5cafe294a..41a45f555 100644
--- a/flyweight/index.md
+++ b/flyweight/index.md
@@ -8,7 +8,7 @@ tags:
  - Java
  - Gang Of Four
  - Difficulty-Intermediate
- - Caching
+ - Performance
 ---
 
 **Intent:** Use sharing to support large numbers of fine-grained objects
diff --git a/lazy-loading/index.md b/lazy-loading/index.md
index f1d06806a..6f2501b7e 100644
--- a/lazy-loading/index.md
+++ b/lazy-loading/index.md
@@ -8,7 +8,7 @@ tags:
  - Java
  - Difficulty-Beginner
  - Idiom
- - Caching
+ - Performance
 ---
 
 **Intent:** Lazy loading is a design pattern commonly used to defer
diff --git a/object-pool/index.md b/object-pool/index.md
index c45fb06b5..0d37041c3 100644
--- a/object-pool/index.md
+++ b/object-pool/index.md
@@ -7,7 +7,7 @@ categories: Creational
 tags:
  - Java
  - Difficulty-Beginner
- - Caching
+ - Performance
 ---
 
 **Intent:** When objects are expensive to create and they are needed only for
diff --git a/service-locator/index.md b/service-locator/index.md
index 666277a21..7357a0ac0 100644
--- a/service-locator/index.md
+++ b/service-locator/index.md
@@ -7,6 +7,7 @@ categories: Structural
 tags:
  - Java
  - Difficulty-Beginner
+ - Performance
 ---
 
 **Intent:** Encapsulate the processes involved in obtaining a service with a
diff --git a/thread-pool/index.md b/thread-pool/index.md
index 040e03b8f..d4b61607d 100644
--- a/thread-pool/index.md
+++ b/thread-pool/index.md
@@ -7,6 +7,7 @@ categories: Concurrency
 tags:
  - Java
  - Difficulty-Intermediate
+ - Performance
 ---
 
 **Intent:** It is often the case that tasks to be executed are short-lived and