Why Is My Upload Speed So Slow? Causes, Fixes & Fiber Tips

When thinking about fast internet, download speeds usually come to mind first.

But your connection to the web is a two-way street, and fast upload speeds are crucial to ensuring a smooth experience online.

Unless you're already on a fiber optic connection, seeing that your upload speeds are significantly slower than download can be frustrating.

But why is your upload speed so slow? Most of the time, it's either your ISP limiting upload bandwidth or it's the internet technology you have equipped.

While slow upload speeds can sometimes be out of your control, you can take a few steps to optimize your connection.

Upload vs. Download – What's the Difference?

Both upload and download speeds keep you connected to the web, but how do they work, and what's the difference?

Download

Download speeds determine how fast your devices can receive data from websites, game servers, or streaming services. If loading a website takes a long time or your favorite show constantly buffers, consider upgrading or optimizing your download speeds.

Upload

Upload speeds determine how quickly you can transfer data from your device to the internet. Slow upload speeds are to blame if you sound choppy during video calls or if transferring files takes forever.

Why Are Upload Speeds Important?

Upload speeds keep your connection fast and smooth while making video calls, posting content, and transferring large files like photos or videos.

Upload speeds are especially important for keeping your ping low and your connection responsive while gaming online. If you're live streaming your gameplay, a good upload speed is necessary to keep your broadcast running smoothly for your fans.

Why is Upload Speed Slower Than Download?

Most internet services provide upload speeds that are slower than download speeds. Between the network's bandwidth and technology, there are a few reasons why your upload speeds are so slow.

Lack of Bandwidth from Your ISP

Since there is generally less demand for uploading, ISPs will artificially limit speeds to save on their network's bandwidth, causing uploads to process very slowly, especially during peak usage hours.

Multiple Devices on Your Network

While your ISP may already have limited bandwidth, having too many devices connected to your internet can slow down upload speeds for your entire household. By taking some devices off your network, you may see improved speeds.

Equipment Issues

Equipment like cables, routers, and device placement all affect upload speeds. If any of these components malfunction, your speeds can slow down. By troubleshooting and optimizing your setup, you can improve your upload speed.

Network Technology

Due to their technology, certain types of internet, like copper cable, 5G, or satellite, cannot achieve high upload speeds. But thanks to the technology behind fiber optic cable, you can achieve upload speeds that are just as fast as downloading.

How Can I Improve My Upload Speeds?

Try these steps to improve upload speeds:

Use an Ethernet Cable

A dedicated ethernet connection will improve upload and download speeds in nearly all circumstances. If you're experiencing slow upload speeds on both ethernet and Wi-Fi, your equipment may be the issue.

Check Your Equipment

While your average ethernet cable can last for around five years, normal wear and tear can eventually cause components to fail or the connecting ends to become loose. Likewise, your device's ports might not provide a stable enough connection. Make sure the connections are clear of any dust and aren't damaged. Try plugging a new cable directly into your device and router, then run a speed test to see if your upload speed has improved.

Update Your Firmware

Internet equipment like your router uses firmware to optimize performance and connect to the internet. This needs to be updated every so often to ensure a smooth experience. You can download firmware updates from the website of your router's manufacturer.

Check Your Router

A router's lifespan is usually around five years. If you've had yours for a while, you may want to check for signs that it's time to replace it. Check the router's ethernet ports to make sure they are clear of any dust or damage. Try plugging in your ethernet cable to another ethernet port, reset your system, and run another test.

Contact Your ISP

Finally, if you're still not achieving the upload speeds that you're paying for, get in contact with your ISP or consider an alternative provider like Ezee Fiber. Find out your expected upload speeds and request customer service if you are not getting the speeds you need.

For more ways to optimize your connection, see our guide on how to speed up your internet.

Which Internet Has the Fastest Upload Speed?

Fiber optic internet has the fastest upload speeds of any type of connection.

• Cable: 20–30 Mbps Upload
• Satellite: 5–50 Mbps Upload
• 5G: 15–50 Mbps Upload
• Fiber: 1,000 – 8,000+ Mbps Symmetrical Upload Speeds

How Are Symmetrical Speeds Possible?

The technology behind fiber internet cable allows it to achieve symmetrical speeds, which means you can upload and download at the same time. Light signals in fiber optic cable can travel both ways at the same time. So, while your device is receiving signals from a server, it can send signals at the same time.

This is much different from other types of internet. For example, internet over coax cable cannot download and upload at the same time since a signal can only travel in one direction at a time on the cable.

Fiber internet upload speed is significantly higher than any other technology, providing a massive advantage for remote work, file transfers, and gaming.

Do I Need Good Upload Speeds for Gaming?

With a good upload speed, you can ensure that your ping remains low, keeping your gameplay responsive.

Data is sent from your device to the server whenever you act in an online game. The time it takes that data to reach the server and for the server to send a signal back is called ping. This all happens in milliseconds, but high ping can cause choppy gameplay and interrupt your most crucial moments.

A good upload speed ensures that your device's communication with the server is as quick as possible, improving your connection to the game.

Want the Best Upload Speeds? Get Ezee Fiber Today.

Ezee Fiber delivers an award-winning internet connection for gamers, remote workers, and households that demand more. With unmatched reliability and multi-gig speeds on our 100% pure fiber-optic network, Ezee Fiber gives you symmetrical upload and download speeds that keep you ahead — no matter what you're doing online.

Ready to stop settling for slow uploads? Ezee Fiber provides up to 8 Gbps symmetrical speeds, so your uploads go as fast as your downloads — every time.

Check your address and sign up today.