Author: Speed Test Demon

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Surprising mention of affirmations from 3 totally different people: a cartoonist, an olympian, & “America’s greatest salesman”

(Note: “America’s greatest salesman” is in quotes because although there’s no objective measure, the praise came from Munger, one of the famous investors of our time.) Affirmations always get a bad reaction of “disbelief” every time I’ve mentioned it to someone (family or friend). They think it’s BS, magic, or voodoo. But the idea deserves … Continue reading Surprising mention of affirmations from 3 totally different people: a cartoonist, an olympian, & “America’s greatest salesman”

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Productivity Hack: Chrome Aliases, visiting bookmarks with just a few keystrokes

(NOTE: do you have productivity hacks that you want featured? Drop me a message on Twitter!) I wish I knew this browser trick wayyyy sooner 😂. Would’ve saved me so much typing and mouse usage. If you’re a software engineer like me who’s a heavy user of terminal, you’d know this is exactly like “bash … Continue reading Productivity Hack: Chrome Aliases, visiting bookmarks with just a few keystrokes

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Chess Addiction Solution: Turing Technique, Life-Changing Tip To Get Better At Chess and Chess Variants Quickly, written by a Fully Recovered Chess Addict

(NOTE: If you really disagree with me, I’ll be willing to listen on Twitter 😊: @SpeedTestDemon) This technique was life-changing because it helped end a gaming addiction consuming nearly every moment of my day. And I got it from the famous author Nassim Taleb (thank you, eternally grateful). Other mental techniques I used to solve … Continue reading Chess Addiction Solution: Turing Technique, Life-Changing Tip To Get Better At Chess and Chess Variants Quickly, written by a Fully Recovered Chess Addict

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Cloudinary vs CloudFront: Cloudinary CDN crushes Amazon Web Services CDN!

(Note: and by the way, I’m not affiliated with Cloudinary in any way.) (Note: after seeing stern feedback on Hacker News and reddit, I’m changing my test approach to hire 10+ contractors in popular cities around the globe to compare CDN download times. And if you disagree with my analysis in any way, please cordially … Continue reading Cloudinary vs CloudFront: Cloudinary CDN crushes Amazon Web Services CDN!

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Prediction: YC startup Mighty will be new default infrastructure as web VIP pass

(Note: people, this is just my opinion, possibly overexcited and incorrect. Discuss cordially with me if you think I’m wrong 😊. I’m on Twitter @SpeedTestDemon. And by the way, I’m not affiliated with Mighty App whatsoever. I don’t know anybody who works there). There was this big commotion on Twitter and the news media that … Continue reading Prediction: YC startup Mighty will be new default infrastructure as web VIP pass

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Python CDN Speed Test Script

Simple python script I use to speed test CDNs. It’s open sourced under MIT license.  The repository is: https://github.com/speedtestdemon/speed-tests and the python script is “test.py”. The script takes a single input “URL”. Example usage: `python3 test.py https://d20zaq59cm4c4j.cloudfront.net/wp-content/uploads/2021/05/cf.png`. The script outputs these things: Cold cache, hot cache, and warm cache tests (in that order). The response … Continue reading Python CDN Speed Test Script

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CDN experiment shows Free CDN surprisingly faster than Amazon CloudFront in many cases (case study: WordPress’s Jetpack CDN)

(Note: I’m not affiliated with Jetpack CDN in anyway. And if you disagree with my analysis in any way, please cordially do so 😊. I’m on twitter at @SpeedTestDemon) Ohh…so premium CDNs are NOT always faster than free CDNs. While testing many free CDNs and whether they performed better than a premium CDN like CloudFront, … Continue reading CDN experiment shows Free CDN surprisingly faster than Amazon CloudFront in many cases (case study: WordPress’s Jetpack CDN)

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Cheat Sheet on Curl Performance Metrics: how to benchmark server latency with curl

I wrote this cheatsheet mainly because I was mildly frustrated googling for 10+ minutes trying to figure out what in the world does time_pretransfer mean??? Try googling it. I’ll wait. It’s abstruse! Ugh! The top Google result for “curl time_pretransfer meaning” is this StackOverflow post, where they quote the curl man page and are still … Continue reading Cheat Sheet on Curl Performance Metrics: how to benchmark server latency with curl