Low internet speed when using a VPN - why?

Let’s not hide it and say it straight away – yes, using a VPN can indeed reduce your internet connection speed. However, this depends on various factors, including the quality of your internet connection, the power of VPN servers, the distance to the VPN server, network load, and data encryption.

How Can VPN Slow Down Internet Speed?

When you use a VPN (Virtual Private Network), your internet traffic is routed through a remote VPN server before reaching the public internet. This adds an additional step to data transmission, which may slow down your internet speed. Here are some reasons why VPN might affect your internet speed:

1. Distance Between the User and the VPN Server
   The farther the VPN server is from the user, the longer it takes to transmit data. If you're connected to a VPN server located on another continent, it can significantly reduce your internet speed.

2. VPN Server Quality and Overload
   If the VPN server has low bandwidth or is overloaded with users, it can lead to slower internet speeds. Some VPN providers have more servers and better infrastructure, enabling them to provide higher internet speeds.

3. VPN Protocol
   Different VPN protocols have varying impacts on internet speed. For example, OpenVPN is considered one of the fastest protocols but requires more computer resources. PPTP, on the other hand, is one of the slowest but less resource-intensive.

4. Data Encryption
   Stronger data encryption can slow down your internet speed because it takes more time to process. However, encryption is essential for protecting your privacy.

How to Test Internet Speed When Using a VPN

There are several ways to check your internet speed when using a VPN:

1. Using the VPN Provider’s Speed Test Service
   Some VPN providers offer their own speed test tools. You can use them to get an idea of your connection speed.

2. Using Speedtest.net
   This is a popular online tool for measuring internet speed. Connect to your VPN, go to Speedtest.net, and run a test. Make sure to select a Speedtest server close to you for the most accurate results.

3. Via Command Prompt in Windows (Using Ping to Measure Latency in ms)
   To measure local network speed via Command Prompt, open the tool by clicking “Start” on your computer and searching for "Command Prompt." In the console, type the command ipconfig /all. Look for "Default Gateway" in the output to find your router's address. Next, type ping followed by the gateway address (e.g., ping 192.168.100.1). The result in milliseconds will indicate the latency. If it exceeds 1500 ms, analyze your traffic and scan each computer for viruses.

How to Minimize the Impact of VPN on Internet Speed

1. Choose a VPN with a Large Number of Servers in Different Countries
   VPN providers with more servers often have servers closer to users, reducing latency and improving speed.

2. Use VPN with Lighter Encryption Protocols (e.g., IKEv2 or WireGuard)
   These protocols offer security while requiring fewer resources, potentially increasing speed.

3. Use VPN with Split Tunneling
   This feature allows you to choose which apps use the VPN and which connect directly, reducing VPN load and improving speed.

4. Connect to a VPN Server Closer to Your Location
   The closer the server, the faster the connection.

5. Avoid Using VPN During Peak Hours
   Network speed can be lower during times of high activity, so avoid these hours for better performance.

6. Use VPNs Optimized for Specific Devices or Platforms
   Some VPN providers offer apps optimized for certain devices or operating systems, which can improve performance.

7. Check Your Device and VPN App Settings
   Incorrect settings can reduce speed. Try adjusting them or contacting VPN support for advice.

Can VPN Increase Internet Speed?

Yes, a VPN can sometimes increase your internet speed. Here’s how:

1. Bypassing ISP Speed Throttling
   Some ISPs limit internet speed for certain sites or services. With VPN, your traffic passes through the VPN server, and your ISP cannot identify the sites you visit, bypassing these restrictions.

2. Improved Routing
   VPN can optimize traffic routing by sending it through a faster path. This is especially useful in countries with restricted internet access or when your ISP uses slower routes.

3. Reducing Latency
   High-quality VPN services offer low-latency servers, improving webpage load times and streaming.

4. Optimized Protocols
   Efficient VPN protocols like WireGuard or IKEv2 provide faster speeds compared to older protocols.

Other Factors Affecting Internet Speed

1. User’s Internet Plan
   Your internet speed depends largely on your subscription plan. Higher-speed plans are usually more expensive.

2. Encryption Level
   Stronger encryption can slow down internet speed but is essential for data protection.

3. VPN Protocol (OpenVPN, PPTP, L2TP/IPSec)
   Different protocols have varying impacts on speed. OpenVPN is fast but resource-intensive.

4. Peak Usage Times
   Internet speed can vary based on time of day. During peak hours, with many users online, speeds can drop.

5. VPN Server Location
   The farther the server, the slower the data transmission.

6. Other Factors
   Technical issues with the provider or user’s equipment can also affect speed.

How to Improve Internet Speed with VPN

If you want to enhance your internet speed while using VPN, try the following tips:

1. Connect to Servers Close to Your Physical Location
   The closer the server, the faster the connection.

2. Upgrade Your Internet Plan
   Consider switching to a higher-speed plan if your current plan is limiting your speed.

3. Choose Less Crowded Servers
   Overloaded servers can slow down speed. Look for less busy options.

4. Use Wired Connections When Possible
   Wired connections are often faster than wireless ones.

5. Get a Reliable and High-Speed VPN
   One of the top options on the market is Zama, a service offering everything you need for a seamless online experience: high speed, robust data protection, and ease of use. With Zama, you can enjoy HD streaming, online gaming, and large file downloads without losing speed.

   Moreover, Zama guarantees complete data privacy. It uses cutting-edge encryption methods, ensuring no third party can access your personal information.

   Zama also offers a wide range of servers worldwide, enabling unrestricted access to any content.