Your internet is slow every day except the day the technician comes.
SpeedProof sits on your router and tests your line every hour, day and night, against five servers at once: Ookla, plus four independent servers your provider can't single out and speed up. Your provider can't blame your Wi‑Fi or point to one good test. You'll have weeks of results to show them. It logs every blackout too.
Sound familiar?
Slow for weeks. Perfect the day the technician shows up.
SpeedProof keeps watching after everyone's gone home. It gives you the evidence to fight back and get the service you're paying for.
How it works
Set it up once. It keeps the record for you.
A cable straight to the router takes Wi‑Fi out of the result, and before every test the box checks nobody in the house was using the line.
Every hour, at a random moment, it tests against Ookla plus four independent servers chosen for your area, all at once, and takes the middle result. One slow server can't skew it, and neither can one good one.
Every reading is sealed in a record that can't be quietly edited. Medians, best and worst hours and upload against your plan, in a PDF with a daily chart, ready to send.
A real report
Sold as 600 Mbps. Delivered about a third of that.
A cable line in Manhattan, New York, measured from 16 Aug to 6 Sep 2026. The median download was 210 Mbps. The best hour of the whole period reached 246 Mbps. It stayed that low every day, not just in the occasional dip.
To rule out the device, the same unit went on a faster line elsewhere and hit 900 Mbps there.
| Server | Low | High |
|---|---|---|
| Independent 1 | 154 | 509 |
| Independent 2 | 129 | 231 |
| Independent 3 | 34 | 230 |
| Independent 4 | 82 | 249 |
| Ookla | 2 | 251 |
A day on your line
Hour by hour. Every reading on the record, including the evening slump.
Blackouts
When the internet goes down, the box writes it down.
SpeedProof doesn't just note that the internet stopped. It checks the cable, checks the router, and tries to reach the internet more than one way. Only when your equipment is fine and the internet is dead every way it tries does it log a provider blackout, with a start time, an end time and how long it lasted.
An unplugged cable or a dead router is logged separately and never counted against your provider. If the box itself loses power, the gap is written into the record when it comes back, so nothing is ever hidden.
Every outage, timed and on the record, ready for the credit you're owed.
Using the evidence
What you can do with the proof
Your plan says "up to" 600 Mbps. That's a promise about the best case, not what you get every evening. What changes the conversation is weeks of readings showing what you actually received. Here's what people do with them.
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