VPN speed: what it depends on, how to measure it and why Surok doesn't slow YouTube down

"I turned the VPN on and YouTube still shows the spinner" is one of the most common support messages. Sometimes the VPN is to blame, sometimes it's the kitchen Wi-Fi, and sometimes it's just Friday evening when the whole building is streaming. Here's what makes up VPN speed, how to measure it without fooling yourself and how to get the most out of Surok.

Quick fix. Surok exits in nearby European countries, and its traffic is disguised as HTTPS so carriers don't throttle it. Pick "Europe · auto" or the nearest country and YouTube in 1080p stops buffering. 3 days free, then from 220 ₽ a month.

What VPN speed depends on

A VPN doesn't add speed. The best it can do is not take too much away. What actually matters:

Distance to the exit. Every packet travels to the server and back. An exit in Germany or Poland gives noticeably lower latency than one in Canada. For video that's minor; for games and calls it's everything.

Server load. One server shared by a thousand people in the evening will crawl on any protocol. That's why free VPNs turn into pumpkins around eight pm.

Protocol. Older protocols with heavy encryption and extra headers eat part of the bandwidth. VLESS, which Surok uses, is lightweight. More in VLESS, Reality and XHTTP explained simply.

Carrier throttling. The big one in Russia. When a carrier recognises a VPN by its signature, it doesn't block it; it cuts the speed to "sort of works". Such a VPN shows pretty numbers in a speed test and still spins on video.

Your Wi-Fi and plan. If the router is behind a wall or your mobile plan drops to 128 Kbit/s after the cap, no VPN will save you.

How to measure it honestly

A single test "when I remembered to" tells you nothing. Do it like this:

1. Without the VPN. Run any speed test and note the result. That's your baseline: the VPN won't beat it.
2. With the VPN. Repeat on the same device and network. The difference is the cost of the tunnel.
3. Check the exit. Open /ip and make sure the address is foreign. If it's Russian, traffic is bypassing the VPN and the test is meaningless.
4. In-app test. The Surok app has a latency check for its servers: it shows which exit is closest right now.
5. Time of day. Repeat on a weekday morning and on Friday evening. If it drops in the evening without the VPN too, talk to your ISP.

If the numbers look odd, go through How to check that your VPN works.

How much you need for 1080p and 4K

YouTube publishes its own guidelines, and they're modest: about 5 Mbit/s for 1080p and about 25 Mbit/s for 4K.

Which means that in most cases speed isn't the problem at all. If a speed test through the VPN shows 30 Mbit/s and YouTube still buffers at 1080p, the issue isn't bandwidth but throttling of video traffic specifically, or unstable latency. The full story is in Why YouTube is slow.

How to pick a Surok server

Surok has exits in Germany, Estonia, Poland, Spain, Switzerland, the US and Canada. For speed from Russia the logic is simple:

• For video and everyday browsing use "Europe · auto". The profile picks the exit itself, and the CDN route makes it the most resilient.
• For games and calls pick the nearest country: Estonia, Poland, Germany. Shorter path, lower latency.
• US and Canada only when you need an American address; the extra latency is geography.

All exits come through one subscription link, and the app refreshes the list every time it opens.

Why free VPNs are slow

A free VPN isn't charity. To pay for itself it runs few servers, packs many people onto them and gives priority to paying customers. Hence three troubles:

• overloaded servers, especially in the evening;
• old protocols that carriers recognise and throttle;
• addresses long known to websites, so YouTube limits quality or demands a captcha.

A paid VPN at 220 ₽ a month costs less than a coffee and saves hours of your life. Price comparison in How much a VPN costs in 2026.

What to do if it's slow

A checklist, simplest first:

1. Open /ip: the address must be foreign.
2. Switch to "Europe · auto" or another nearby country.
3. Fully close and reopen the Surok app: the subscription refreshes.
4. Test speed without the VPN. If it's slow without it too, Surok isn't the problem.
5. On mobile data make sure you haven't hit your traffic cap.
6. Turn off any second VPN, proxy or browser "booster": they conflict.
7. Enable split tunnelling and keep only what you really need in it.
8. If nothing helps, write to support: we can look at what's happening with a specific exit.

The full breakdown of "connects but doesn't load" is in VPN not working: what to do.

FAQ

Does a VPN always reduce speed? A little, yes; that's the price of encryption and the extra hop. But if your carrier throttles video without a VPN, YouTube through Surok is often faster than without it.

Which Surok server is fastest? Depends on your city and the time of day. Start with "Europe · auto"; for the lowest latency try Estonia or Poland.

Does the ad blocker affect speed? No, the opposite: fewer ad requests means less traffic.

Can I test speed before paying? Yes. 3 days free via the bot @surokvpnbot, and the Chrome and Firefox extension works for 7 days without registration.