
Speedtest.net
Testmy.net
Speed Test by Cloudflare
SpeedOf.Me
LibreSpeed
nPerf
OpenSpeedTest
Quickly test your internet speed with this fast-loading speed test powered by Netflix.

ZIP Code API
ZipCheckup
PostalCodes.info
Smarty
Geocode.xyz
Geoco.io
getAddress.io
Free Zip Code API - Free Postal Code Validation | Zipcodestack
Which is more popular?
Based on our record, Fast.com seems to be a lot more popular than Zipcodestack. While we know about 1688 links to Fast.com, we've tracked only 3 mentions of Zipcodestack.
Website, pricing, platforms and company facts side by side.
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| Website | fast.com | zipcodestack.com |
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| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Speedtest.net vs Fast.com | why different results ?
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Fast.com and Zipcodestack. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


That is exactly how fast.com works for internet speed tests. You open it, it runs, you see a number. Done. - Source: dev.to / 5 months ago
Pro tip: Run a speed test immediately before the event. Don't trust your "up to 100 Mbps" ISP claim. Use fast.com or speedtest.net to get real numbers. - Source: dev.to / 8 months ago
Speedtest has always seemed incredibly sketchy to me, I don’t know if others share this sentiment. https://fast.com completed the test faster than speedtest loads the site. - Source: Hacker News / 8 months ago
Using the zipcodestack API in your Node.js application is straightforward. You’ll first need to sign up for a free API key (it only takes a minute). Once you have your API key, you can call the REST endpoints using any HTTP client. Below... - Source: dev.to / about 1 year ago
Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month. - Source: dev.to / over 2 years ago
I have seen this request pop up quite a few times. I did a quick search for free APIs of zipcode lookups. This one, named "zipcodestack" (I'm not in any way tied to, endorsing, or promoting them) seemed like a pretty good resource with... Source: over 3 years ago
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REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah
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Accurately test your Internet connection speed with this powerful broadband speed test. Improve your bandwidth speed with the truth.
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Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
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speed.cloudflare.com is a tool that allows you to measure the speed and consistency of your connection to the Internet. You can use it to verify that the speed your ISP promised you is the speed you are getting.
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Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
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