diff --git a/README.md b/README.md
index 7a05ef8..038147e 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ This file contains an array of Chain metadata. To add a new one, follow the foll
         "https://zksync.meowrpc.com"
     ], //optional,
     "explorerUrl": "https://explorer.zksync.io/", // optional
+    "websiteUrl": "https://zksync.io/", // optional
     "launchDate": 1679626800, // mandatory
     "chainType": "Rollup", // "Rollup" | "Validium"
     "baseToken": {
diff --git a/chains_mainnet.json b/chains_mainnet.json
index 2e0d8f3..94d1d5c 100644
--- a/chains_mainnet.json
+++ b/chains_mainnet.json
@@ -9,6 +9,7 @@
             "https://zksync.meowrpc.com"
         ],
         "explorerUrl": "https://explorer.zksync.io/",
+        "websiteUrl": "https://zksync.io/",
         "launchDate": 1679626800,
         "chainType": "Rollup",
         "baseToken": {
@@ -27,6 +28,7 @@
         "chainType": "Validium",
         "publicRpcs": ["https://mainnet.zkevm.cronos.org"],
         "explorerUrl": "https://explorer.zkevm.cronos.org/",
+        "websiteUrl": "https://cronos.org/zkevm",
         "baseToken": {
             "symbol": "zkCRO",
             "name": "zkCRO",
diff --git a/chains_testnet.json b/chains_testnet.json
index 7d08c49..0e907fb 100644
--- a/chains_testnet.json
+++ b/chains_testnet.json
@@ -9,6 +9,7 @@
             "https://zksync-era-sepolia.blockpi.network/v1/rpc/public"
         ],
         "explorerUrl": "https://sepolia.explorer.zksync.io",
+        "websiteUrl": "https://zksync.io/",
         "launchDate": 1679626800,
         "chainType": "Rollup",
         "baseToken": {
@@ -27,6 +28,7 @@
         "chainType": "Validium",
         "publicRpcs": ["https://testnet.zkevm.cronos.org"],
         "explorerUrl": "https://explorer.zkevm.cronos.org/testnet",
+        "websiteUrl": "https://cronos.org/zkevm",
         "baseToken": {
             "name": "zkCronos Testnet",
             "symbol": "zkTCRO",
@@ -42,6 +44,7 @@
         "name": "Gravity testnet",
         "chainType": "Validium",
         "publicRpcs": [],
+        "websiteUrl": "https://grvt.io/",
         "baseToken": {
             "name": "GRVTBaseToken",
             "symbol": "GBT",
@@ -57,6 +60,7 @@
         "chainType": "Rollup",
         "publicRpcs": ["https://api.testnet.abs.xyz"],
         "explorerUrl": "https://explorer.testnet.abs.xyz",
+        "websiteUrl": "https://abs.xyz/",
         "baseToken": {
             "name": "Ether",
             "symbol": "ETH",
@@ -73,6 +77,7 @@
         "iconUrl": "https://zkevm.cronos.org/images/chains/zkevm.svg",
         "chainType": "Rollup",
         "publicRpcs": ["https://rpc.testnet.sophon.xyz"],
+        "websiteUrl": "https://farm.sophon.xyz/",
         "baseToken": {
             "name": "Sophon",
             "symbol": "SOPH",