Probably
You're getting what you pay for. The plan is too small.
If five people are on a 100 Mbps plan with three TVs streaming 4K and someone on a video call, the math doesn't work. 4K Netflix uses ~25 Mbps. Zoom HD uses ~3 Mbps up. A Steam download takes whatever's left. This is a plan-tier problem, not a technology problem.
Try this first · Free
Run speedtest.net during a fight
If you're hitting your full plan speed and it still feels slow, you've outgrown your tier.
If that doesn't fix it
Upgrade to the next tier with your current provider
Most cable and fiber providers have ~$20 jumps between 300 / 500 / 1000 Mbps tiers.
Fiber would help here · primary
Fiber's price-per-megabit is usually better at higher tiers, and the symmetric upload helps when multiple people are uploading at once.
Check fiber availability
ZIP for quick check, or full address for census-block precision.
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