https://poxel.io/s/pinger.js

1const servers = [
2    'usa-1.poxel.io',
3    'usa-2.poxel.io',
4    'usa-3.poxel.io',
5    'fra-1.poxel.io',
6    'fra-2.poxel.io',
7    'asia-1.poxel.io'
8];
9
10function getRandomServer() {
11    return servers[Math.floor(Math.random() * servers.length)];
12}
13
14async function fetchBestRegion() {
15    const maxAttempts = 3;
16    for (let attempt = 1; attempt <= maxAttempts; attempt++) {
17        const randomServer = getRandomServer();
18        try {
19            const response = await fetch(`https://${randomServer}/api/init`);
20            if (response.ok) {
21                const data = await response.json();
22                const bestRegion = data.region; // use the "region" from the response JSON
23                console.log(`Attempt ${attempt}: Best region from server ${randomServer}: ${bestRegion}`);
24                return bestRegion;
25            } else {
26                console.error(`Attempt ${attempt}: Server ${randomServer} responded with status: ${response.status}`);
27            }
28        } catch (error) {
29            console.error(`Attempt ${attempt}: Error fetching best region from ${randomServer}:`, error);
30        }
31    }
32    console.error('All attempts failed. Falling back to default: USA');
33    return 'USA';
34}
35
36const cachedBestServer = localStorage.getItem('bestServer');
37
38if (!cachedBestServer) {
39    fetchBestRegion().then(bestRegion => {
40        console.log('Best region to connect (Saving to localStorage):', bestRegion);
41        localStorage.setItem('bestServer', bestRegion);
42    }).catch(error => {
43        console.error('Error during region fetching:', error);
44    });
45} else {
46    console.log('Using cached best server:', cachedBestServer);
47}