diff --git a/rank.js b/rank.js
index 16a46a2..33e0a35 100644
--- a/rank.js
+++ b/rank.js
@@ -1,7 +1,7 @@
 import { GPU, input, Input } from "gpu.js";
 
 // derived from https://git.dervland.net/biglyderv/new-bigly-chat/src/branch/master/docs/stats.php
-function rankCalc(result, iterations = 10, main = [], domain_mode = false) {
+function rankCalc(result, iterations = 10, main = [], domainMode = false) {
 
     let fng = {};
     let fnc = {};
@@ -19,7 +19,7 @@ function rankCalc(result, iterations = 10, main = [], domain_mode = false) {
     let keys = Object.keys(result);
     for (let unn in result) {
         let v = true;
-        if (domain_mode) {
+        if (domainMode) {
             v = false;
             try {
                 let test = new URL(unn);
@@ -36,7 +36,7 @@ function rankCalc(result, iterations = 10, main = [], domain_mode = false) {
         fng[unn] = result[unn].following || [];
 
         let lf = Object.keys(fng[unn]).length;
-        if (domain_mode) {
+        if (domainMode) {
             let domains = [];
             for (let x of fng[unn]) {
                 try {
@@ -75,7 +75,7 @@ function rankCalc(result, iterations = 10, main = [], domain_mode = false) {
             let h = new URL(unn);
             if (!(h.pathname == '/' || h.pathname == '')) fail *= 0.5;
             if (!(h.search == '')) fail *= 0.4;
-            if (main.indexOf(unn) != -1) fail = 10; 
+            if (main.indexOf(unn) != -1) fail = 10;
         } catch (err) {
 
         }
@@ -90,13 +90,31 @@ function rankCalc(result, iterations = 10, main = [], domain_mode = false) {
     let mm = (iterations);
 
     let gpu = new GPU();
-    const multiplyMatrix = gpu.createKernel(function (a, b, c) {
-        let sum = 0;
-        for (let i = 0; i < c; i++) {
-            sum += a[(this.thread.x % c) * c + i] * b[i * c + this.thread.x / c];
+    let isGpu = process.env.isGpu;
+    let multiplyMatrix;
+
+    if (isGpu) {
+        multiplyMatrix = gpu.createKernel(function (a, b, c) {
+            let sum = 0;
+            for (let i = 0; i < c; i++) {
+                sum += a[(this.thread.x % c) * c + i] * b[i * c + this.thread.x / c];
+            }
+            return sum;
+        }).setOutput([keys.length ** 2, 1]);
+    } else {
+        console.warn(`GPU mode not enabled. Using CPU multiplication...`)
+        multiplyMatrix = function (a, b, c) {
+            let outMatrix = new Float32Array(keys.length ** 2);
+            for (let i in outMatrix) {
+                let sum = 0;
+                for (let j = 0; j < c; j++) {
+                    sum += a[(i % c) * c + j] * b[j * c + Math.floor(i / c)];
+                }
+                outMatrix[i] = sum;
+            }
+            return [outMatrix];
         }
-        return sum;
-    }).setOutput([keys.length ** 2, 1]);
+    }
 
     for (let i = 0; i < mm; i++) {
         let prold = pr;