Victor Zhou

Victor Zhou

Software Engineer. I blog about web development, machine learning, and more topics.

© Victor Zhou 2026

Best Practices

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No More Excuses: Lazy Load Your Images

Web Development

Yes, you. Your site should probably be doing this.

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Sendy is Insecure: How Not to Implement reCAPTCHA

Security

Sendy's reCAPTCHA implementation doesn't do anything.

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Avoid Premature Optimization

Best Practices

How I fell into the trap of premature optimization, the root of all evil.

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Minify Your SVGs

Web Development

How I optimize SVGs for this blog and why you probably should, too.

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Mailchimp to Sendy: How I Cut Email Costs by 100x

Blogging

Mailchimp was getting too expensive, so I moved this blog's newsletter to Sendy.

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Should You Static Type Check Your Javascript?

Javascript

The pros and cons of using a static type checker for Javascript.

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Why I Replaced Disqus and You Should Too

Web Development

How switching from Disqus to Commento reduced my page weight by 90%.

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Properly Size Images for the Web

Web Development

Even weather.com is doing this wrong - are you?

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