@javeedshaik7

Javeed Shaik

@javeedshaik7Hyderabad, IndiaJoined August 2026

Developer building free health and fitness calculators.

About

Developer building free health and fitness calculators at healthycalculatorhub.com — 33 of them so far, covering BMI, BMR, body composition, macros and pacing. I write about the engineering behind them: static site performance, CDN caching, and the measurements that prove whether an optimisation actually worked.

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Javeed Shaik's blogs

freeCodeCamp Englishfreecodecamp.org/news2 posts

What to Do When Your Constants Are Someone Else's Law

A colleague once asked me why a number in my code had a comment three lines long. The number was 18. The comment said which rule it came from, which section notified it, and that it could change witho

Oct 11 · 9 min readfreecodecamp.org

I Added a CDN Cache to My Site and It Got Slower. Here's the Math I Should Have Done First.

Last week I put a CDN cache in front of a static site, expecting it to get faster. But instead, it got measurably slower. Not subtly: an independent crawler that had flagged 38 slow pages before the c

1Aug 27 · 9 min readfreecodecamp.org

Javeed Shaik (@javeedshaik7) | Hashnode

Javeed Shaik

About

Available for

Javeed Shaik's blogs

What to Do When Your Constants Are Someone Else's Law

I Added a CDN Cache to My Site and It Got Slower. Here's the Math I Should Have Done First.

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Javeed Shaik

About

Available for

Javeed Shaik's blogs

What to Do When Your Constants Are Someone Else's Law

I Added a CDN Cache to My Site and It Got Slower. Here's the Math I Should Have Done First.