Why Telegram Feels Faster With a Proxy (Explained)
A counter-intuitive truth: adding a hop often makes Telegram faster on bad networks. Here is the science.
The intuition (and why it is wrong)
Common sense says routing your traffic through an extra server should be slower, not faster. After all, you are now sending packets via a third party instead of directly to Telegram. So why do users in Iran, Russia and even some Western countries report Telegram feeling snappier with a TGFast proxy than without? The answer involves three separate effects: ISP throttling, suboptimal routing, and TCP retransmission.
Effect 1: ISP throttling
Many ISPs deliberately throttle direct Telegram connections — sometimes 10-20% of packets are dropped to make Telegram feel sluggish without breaking it entirely. When you proxy via TGFast, your traffic looks like generic encrypted bytes to the ISP, which routes it at full speed. The proxy adds 30-50 ms one-way latency, but you gain back the 10-20% packet loss. Net result: Telegram feels noticeably faster.
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Open the fleetEffect 2: better routing
Internet routing is rarely optimal. The path your ISP picks to Telegram's data centres may go through multiple congested transit links. TGFast servers sit in well-peered datacentres with carrier-grade routing tables, so the path from TGFast to Telegram is often shorter and less congested than the direct path from your ISP. Even with the extra hop to the proxy, total round-trip time can be lower.
Effect 3: TCP retransmission
Telegram uses TCP. When packets are lost, TCP retransmits them, but the retransmit timeout doubles each time it fails. On a flaky connection this leads to long stalls — a 1.5-second pause is common. With a proxy, packet loss between you and TGFast is renegotiated locally (high-quality datacentre uplink), and the long-haul path from TGFast to Telegram is much cleaner. The cumulative effect: fewer "Telegram is loading…" pauses.
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Join Telegram ChannelEffect 4: keep-alive optimisation
Telegram's mobile clients aggressively close idle TCP sockets to save battery. On a flaky network, every reconnect takes 200-800 ms. With a proxy, the client maintains a single long-lived connection to TGFast, and TGFast maintains the connection to Telegram on your behalf. The result is fewer cold-start delays when you tap the app.
Real measurements
On a typical Iranian residential ADSL line, we measured median time-to-first-message-load at 4.2 seconds without a proxy and 1.7 seconds with a high-throughput TGFast proxy. On a Russian Beeline mobile network: 2.1 seconds without, 0.9 seconds with. On a clean US fibre line: 0.8 seconds without, 0.7 seconds with — almost identical, because there is no congestion or throttling to bypass.
When the proxy makes things slower
On a clean, fast network with no throttling, the proxy can add a small delay (50-100 ms). For users in countries with no censorship and good routing (most of Western Europe, Canada, Japan), the proxy is a wash performance-wise. The benefit there is mainly privacy, not speed.