diff --git a/src/main/java/xyz/mcutils/backend/controller/MojangController.java b/src/main/java/xyz/mcutils/backend/controller/MojangController.java
index 085e0a0..ab170ab 100644
--- a/src/main/java/xyz/mcutils/backend/controller/MojangController.java
+++ b/src/main/java/xyz/mcutils/backend/controller/MojangController.java
@@ -25,8 +25,11 @@ public class MojangController {
     @ResponseBody
     @GetMapping(value = "/status")
     public ResponseEntity<CachedEndpointStatus> getStatus() {
+        CachedEndpointStatus status = mojangService.getMojangApiStatus();
+
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.MINUTES))
-                .body(mojangService.getMojangApiStatus());
+                .eTag(String.valueOf(status.hashCode()))
+                .body(status);
     }
 }
diff --git a/src/main/java/xyz/mcutils/backend/controller/PlayerController.java b/src/main/java/xyz/mcutils/backend/controller/PlayerController.java
index e0cc56a..ac891aa 100644
--- a/src/main/java/xyz/mcutils/backend/controller/PlayerController.java
+++ b/src/main/java/xyz/mcutils/backend/controller/PlayerController.java
@@ -31,18 +31,24 @@ public class PlayerController {
     @GetMapping(value = "/{id}", produces = MediaType.APPLICATION_JSON_VALUE)
     public ResponseEntity<?> getPlayer(
             @Parameter(description = "The UUID or Username of the player", example = "ImFascinated") @PathVariable String id) {
+        CachedPlayer player = playerService.getPlayer(id);
+
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS))
-                .body(playerService.getPlayer(id));
+                .eTag(String.valueOf(player.hashCode()))
+                .body(player);
     }
 
     @ResponseBody
     @GetMapping(value = "/uuid/{id}", produces = MediaType.APPLICATION_JSON_VALUE)
     public ResponseEntity<CachedPlayerName> getPlayerUuid(
             @Parameter(description = "The UUID or Username of the player", example = "ImFascinated") @PathVariable String id) {
+        CachedPlayerName player = playerService.usernameToUuid(id);
+
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(6, TimeUnit.HOURS))
-                .body(playerService.usernameToUuid(id));
+                .eTag(String.valueOf(player.hashCode()))
+                .body(player);
     }
 
     @GetMapping(value = "/{part}/{id}")
@@ -61,6 +67,7 @@ public class PlayerController {
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS))
                 .contentType(MediaType.IMAGE_PNG)
                 .header(HttpHeaders.CONTENT_DISPOSITION, dispositionHeader.formatted(player.getUsername()))
+                .eTag(String.valueOf(player.hashCode()))
                 .body(playerService.getSkinPart(player, part, overlays, size).getBytes());
     }
 }
diff --git a/src/main/java/xyz/mcutils/backend/controller/ServerController.java b/src/main/java/xyz/mcutils/backend/controller/ServerController.java
index 3a171dc..6fbb264 100644
--- a/src/main/java/xyz/mcutils/backend/controller/ServerController.java
+++ b/src/main/java/xyz/mcutils/backend/controller/ServerController.java
@@ -12,6 +12,7 @@ import xyz.mcutils.backend.model.cache.CachedMinecraftServer;
 import xyz.mcutils.backend.service.MojangService;
 import xyz.mcutils.backend.service.ServerService;
 
+import java.util.Arrays;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
@@ -34,9 +35,12 @@ public class ServerController {
     public ResponseEntity<CachedMinecraftServer> getServer(
             @Parameter(description = "The platform of the server", example = "java") @PathVariable String platform,
             @Parameter(description = "The hostname and port of the server", example = "aetheria.cc") @PathVariable String hostname) {
+        CachedMinecraftServer server = serverService.getServer(platform, hostname);
+
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(5, TimeUnit.MINUTES))
-                .body(serverService.getServer(platform, hostname));
+                .eTag(String.valueOf(server.hashCode()))
+                .body(server);
     }
 
     @ResponseBody
@@ -46,11 +50,14 @@ public class ServerController {
             @Parameter(description = "Whether to download the image") @RequestParam(required = false, defaultValue = "false") boolean download) {
         String dispositionHeader = download ? "attachment; filename=%s.png" : "inline; filename=%s.png";
 
+        byte[] favicon = serverService.getServerFavicon(hostname);
+
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS))
                 .contentType(MediaType.IMAGE_PNG)
                 .header(HttpHeaders.CONTENT_DISPOSITION, dispositionHeader.formatted(hostname))
-                .body(serverService.getServerFavicon(hostname));
+                .eTag(String.valueOf(Arrays.hashCode(favicon)))
+                .body(favicon);
     }
 
     @ResponseBody
@@ -59,6 +66,7 @@ public class ServerController {
             @Parameter(description = "The hostname of the server", example = "aetheria.cc") @PathVariable String hostname) {
         return ResponseEntity.ok()
                 .cacheControl(CacheControl.maxAge(1, TimeUnit.HOURS))
+                .eTag(String.valueOf(hostname.hashCode()))
                 .body(Map.of(
                         "blocked", mojangService.isServerBlocked(hostname)
                 ));
diff --git a/src/main/java/xyz/mcutils/backend/model/cache/CachedEndpointStatus.java b/src/main/java/xyz/mcutils/backend/model/cache/CachedEndpointStatus.java
index ead5ba6..d1ea39e 100644
--- a/src/main/java/xyz/mcutils/backend/model/cache/CachedEndpointStatus.java
+++ b/src/main/java/xyz/mcutils/backend/model/cache/CachedEndpointStatus.java
@@ -2,10 +2,7 @@ package xyz.mcutils.backend.model.cache;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
-import lombok.Getter;
-import lombok.NonNull;
-import lombok.Setter;
-import lombok.ToString;
+import lombok.*;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 import xyz.mcutils.backend.common.CachedResponse;
@@ -14,7 +11,7 @@ import xyz.mcutils.backend.model.mojang.EndpointStatus;
 import java.io.Serializable;
 import java.util.List;
 
-@Setter @Getter @ToString
+@Setter @Getter @EqualsAndHashCode(callSuper = false)
 @RedisHash(value = "mojangEndpointStatus", timeToLive = 60L) // 1 minute (in seconds)
 public class CachedEndpointStatus extends CachedResponse implements Serializable {
 
diff --git a/src/main/java/xyz/mcutils/backend/model/cache/CachedMinecraftServer.java b/src/main/java/xyz/mcutils/backend/model/cache/CachedMinecraftServer.java
index bfddbf2..4fc4eb9 100644
--- a/src/main/java/xyz/mcutils/backend/model/cache/CachedMinecraftServer.java
+++ b/src/main/java/xyz/mcutils/backend/model/cache/CachedMinecraftServer.java
@@ -13,8 +13,7 @@ import java.io.Serializable;
 /**
  * @author Braydon
  */
-@Setter @Getter @ToString
-@NoArgsConstructor
+@Setter @Getter @EqualsAndHashCode(callSuper = false)
 @RedisHash(value = "server", timeToLive = 60L) // 1 minute (in seconds)
 public class CachedMinecraftServer extends CachedResponse implements Serializable {
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayer.java b/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayer.java
index 9f2a861..e93d8cb 100644
--- a/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayer.java
+++ b/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayer.java
@@ -2,9 +2,7 @@ package xyz.mcutils.backend.model.cache;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.Setter;
+import lombok.*;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 import xyz.mcutils.backend.common.CachedResponse;
@@ -18,8 +16,7 @@ import java.util.UUID;
  *
  * @author Braydon
  */
-@Setter @Getter
-@NoArgsConstructor
+@Setter @Getter @EqualsAndHashCode(callSuper = false)
 @RedisHash(value = "player", timeToLive = 60L * 60L) // 1 hour (in seconds)
 public class CachedPlayer extends CachedResponse implements Serializable {
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerName.java b/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerName.java
index 344d68e..4debfbf 100644
--- a/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerName.java
+++ b/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerName.java
@@ -1,8 +1,7 @@
 package xyz.mcutils.backend.model.cache;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import lombok.Getter;
-import lombok.ToString;
+import lombok.*;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 import xyz.mcutils.backend.common.CachedResponse;
@@ -12,8 +11,8 @@ import java.util.UUID;
 /**
  * @author Braydon
  */
-@Getter
-@ToString
+@Setter
+@Getter @EqualsAndHashCode(callSuper = false)
 @RedisHash(value = "playerName", timeToLive = 60L * 60L * 6) // 6 hours (in seconds)
 public class CachedPlayerName extends CachedResponse {
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerSkinPart.java b/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerSkinPart.java
index dbc507d..a7cd011 100644
--- a/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerSkinPart.java
+++ b/src/main/java/xyz/mcutils/backend/model/cache/CachedPlayerSkinPart.java
@@ -1,15 +1,11 @@
 package xyz.mcutils.backend.model.cache;
 
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NonNull;
-import lombok.Setter;
+import lombok.*;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.redis.core.RedisHash;
 
-@Setter
-@Getter
 @AllArgsConstructor
+@Setter @Getter @EqualsAndHashCode
 @RedisHash(value = "playerSkinPart", timeToLive = 60L * 60L) // 1 hour (in seconds)
 public class CachedPlayerSkinPart {
 
diff --git a/src/main/java/xyz/mcutils/backend/model/dns/DNSRecord.java b/src/main/java/xyz/mcutils/backend/model/dns/DNSRecord.java
index 00c2feb..4903d3b 100644
--- a/src/main/java/xyz/mcutils/backend/model/dns/DNSRecord.java
+++ b/src/main/java/xyz/mcutils/backend/model/dns/DNSRecord.java
@@ -1,13 +1,10 @@
 package xyz.mcutils.backend.model.dns;
 
 import io.micrometer.common.lang.NonNull;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.Setter;
+import lombok.*;
 
-@Setter @Getter
 @NoArgsConstructor @AllArgsConstructor
+@Setter @Getter @EqualsAndHashCode
 public abstract class DNSRecord {
     /**
      * The type of this record.
diff --git a/src/main/java/xyz/mcutils/backend/model/mojang/EndpointStatus.java b/src/main/java/xyz/mcutils/backend/model/mojang/EndpointStatus.java
index a2d6e7a..6c843f8 100644
--- a/src/main/java/xyz/mcutils/backend/model/mojang/EndpointStatus.java
+++ b/src/main/java/xyz/mcutils/backend/model/mojang/EndpointStatus.java
@@ -1,14 +1,11 @@
 package xyz.mcutils.backend.model.mojang;
 
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import lombok.Setter;
+import lombok.*;
 
 import java.util.Map;
 
 @RequiredArgsConstructor
-@Getter @Setter
+@Getter @Setter @EqualsAndHashCode
 public class EndpointStatus {
 
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/player/Cape.java b/src/main/java/xyz/mcutils/backend/model/player/Cape.java
index b4dd64a..dd21898 100644
--- a/src/main/java/xyz/mcutils/backend/model/player/Cape.java
+++ b/src/main/java/xyz/mcutils/backend/model/player/Cape.java
@@ -2,9 +2,11 @@ package xyz.mcutils.backend.model.player;
 
 import com.google.gson.JsonObject;
 import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 
-@Getter @AllArgsConstructor
+@AllArgsConstructor
+@Getter @EqualsAndHashCode
 public class Cape {
 
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/player/Player.java b/src/main/java/xyz/mcutils/backend/model/player/Player.java
index 226fce4..e893752 100644
--- a/src/main/java/xyz/mcutils/backend/model/player/Player.java
+++ b/src/main/java/xyz/mcutils/backend/model/player/Player.java
@@ -1,6 +1,7 @@
 package xyz.mcutils.backend.model.player;
 
 import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import xyz.mcutils.backend.common.Tuple;
@@ -10,7 +11,8 @@ import xyz.mcutils.backend.model.token.MojangProfileToken;
 
 import java.util.UUID;
 
-@Getter @AllArgsConstructor @NoArgsConstructor
+@AllArgsConstructor @NoArgsConstructor
+@Getter @EqualsAndHashCode
 public class Player {
 
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/response/ErrorResponse.java b/src/main/java/xyz/mcutils/backend/model/response/ErrorResponse.java
index ef84471..4adf32a 100644
--- a/src/main/java/xyz/mcutils/backend/model/response/ErrorResponse.java
+++ b/src/main/java/xyz/mcutils/backend/model/response/ErrorResponse.java
@@ -1,14 +1,14 @@
 package xyz.mcutils.backend.model.response;
 
 import io.micrometer.common.lang.NonNull;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.ToString;
 import org.springframework.http.HttpStatus;
 
 import java.util.Date;
 
-@Getter
-@ToString
+@Getter @ToString @EqualsAndHashCode
 public class ErrorResponse {
     /**
      * The status code of this error.
diff --git a/src/main/java/xyz/mcutils/backend/model/server/JavaMinecraftServer.java b/src/main/java/xyz/mcutils/backend/model/server/JavaMinecraftServer.java
index 6e28e8d..3e8a34b 100644
--- a/src/main/java/xyz/mcutils/backend/model/server/JavaMinecraftServer.java
+++ b/src/main/java/xyz/mcutils/backend/model/server/JavaMinecraftServer.java
@@ -14,7 +14,7 @@ import xyz.mcutils.backend.model.token.JavaServerStatusToken;
 /**
  * @author Braydon
  */
-@Setter @Getter
+@Setter @Getter @EqualsAndHashCode(callSuper = false)
 public final class JavaMinecraftServer extends MinecraftServer {
 
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/server/MinecraftServer.java b/src/main/java/xyz/mcutils/backend/model/server/MinecraftServer.java
index f48c069..2e24aaa 100644
--- a/src/main/java/xyz/mcutils/backend/model/server/MinecraftServer.java
+++ b/src/main/java/xyz/mcutils/backend/model/server/MinecraftServer.java
@@ -1,10 +1,7 @@
 package xyz.mcutils.backend.model.server;
 
 import io.micrometer.common.lang.NonNull;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.Setter;
-import lombok.ToString;
+import lombok.*;
 import xyz.mcutils.backend.common.ColorUtils;
 import xyz.mcutils.backend.model.dns.DNSRecord;
 import xyz.mcutils.backend.service.pinger.MinecraftServerPinger;
@@ -18,7 +15,7 @@ import java.util.UUID;
  * @author Braydon
  */
 @AllArgsConstructor
-@Getter @Setter
+@Getter @Setter @EqualsAndHashCode
 public class MinecraftServer {
 
     /**
diff --git a/src/main/java/xyz/mcutils/backend/model/skin/Skin.java b/src/main/java/xyz/mcutils/backend/model/skin/Skin.java
index 2726c36..70a50fe 100644
--- a/src/main/java/xyz/mcutils/backend/model/skin/Skin.java
+++ b/src/main/java/xyz/mcutils/backend/model/skin/Skin.java
@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.gson.JsonObject;
 import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.extern.log4j.Log4j2;
@@ -18,7 +19,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 @AllArgsConstructor @NoArgsConstructor
-@Getter @Log4j2
+@Getter @Log4j2 @EqualsAndHashCode
 public class Skin {
     /**
      * The URL for the skin