diff --git a/app.js b/app.js
new file mode 100644
index 0000000..b6cee74
--- /dev/null
+++ b/app.js
@@ -0,0 +1,48 @@
+const hashToTest = 'Qmaisz6NMhDB51cCvNWa1GMS7LU1pAxdF4Ld6Ft9kZEP2a'
+const hashString = 'Hello from IPFS Gateway Checker'
+
+const $results = document.querySelector('#results')
+
+function addNode (gateway, online, title) {
+ const para = document.createElement('div')
+ let node
+ if (online) {
+ node = document.createElement('strong')
+ node.innerText = '✅ - Online - ' + gateway
+ } else {
+ node = document.createElement('div')
+ node.innerText = '❌ - Offline - ' + gateway
+ }
+ node.setAttribute('title', title)
+ para.appendChild(node)
+ $results.appendChild(para)
+}
+
+function updateStats (total, checked) {
+ document.getElementById('stats').innerText = checked + '/' + total + ' gateways checked'
+}
+
+function checkGateways (gateways) {
+ const total = gateways.length
+ let checked = 0
+ gateways.forEach((gateway) => {
+ const gatewayAndHash = gateway.replace(':hash', hashToTest)
+ fetch(gatewayAndHash)
+ .then(res => res.text())
+ .then((text) => {
+ const matched = text.trim() === hashString.trim()
+ addNode(gatewayAndHash, matched, matched ? 'All good' : 'Output did not match expected output')
+ checked++
+ updateStats(total, checked)
+ }).catch((err) => {
+ window.err = err
+ addNode(gatewayAndHash, false, err)
+ checked++
+ updateStats(total, checked)
+ })
+ })
+}
+
+fetch('./gateways.json')
+ .then(res => res.json())
+ .then(gateways => checkGateways(gateways))
diff --git a/gateways.json b/gateways.json
new file mode 100644
index 0000000..5aa30d9
--- /dev/null
+++ b/gateways.json
@@ -0,0 +1,16 @@
+[
+ "https://ipfs.io/ipfs/:hash",
+ "https://gateway.ipfs.io/ipfs/:hash",
+ "https://ipfs.infura.io/ipfs/:hash",
+ "http://rx14.co.uk/ipfs/:hash",
+ "https://xmine128.tk/ipfs/:hash",
+ "https://upload.global/ipfs/:hash",
+ "https://ipfs.jes.xxx/ipfs/:hash",
+ "https://catalunya.network/ipfs/:hash",
+ "https://siderus.io/ipfs/:hash",
+ "https://eternum.io/ipfs/:hash",
+ "https://hardbin.com/ipfs/:hash",
+ "https://ipfs.macholibre.org/ipfs/:hash",
+ "https://ipfs.works/ipfs/:hash",
+ "https://ipfs.work/ipfs/:hash"
+]
diff --git a/index.html b/index.html
index 0d696db..f689171 100644
--- a/index.html
+++ b/index.html
@@ -2,70 +2,28 @@
-
+ Public IPFS Gateways
+
Public IPFS Gateways
-
+
+
-
+