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Todd H. Gardner

CEO and founder | TrackJS and Request Metrics | đź’© JavaScript Happens | Notepad Programmer | Web Performance and Error Debugging | I use Notepad.exe

Location Minnesota, USA Joined Joined on  Personal website https://www.toddhgardner.com/ github website

Education

University of Minnesota

Pronouns

He/Him

Work

TrackJS, Request Metrics

Five Year Club
Writing Debut
Four Year Club
Three Year Club
Two Year Club
One Year Club
4 Week Writing Streak
Understanding “Failed to Fetch” JavaScript Errors and How to Fix Them

Understanding “Failed to Fetch” JavaScript Errors and How to Fix Them

7
Comments
3 min read

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How to Fix Long Animation Frames (LoAFs) and Speed Up Your Website

How to Fix Long Animation Frames (LoAFs) and Speed Up Your Website

2
Comments
3 min read
What is a 'Rage Click'?

What is a 'Rage Click'?

1
Comments
8 min read
Our Super Friendly AI Sloth that Analyzes Your Observability Data

Our Super Friendly AI Sloth that Analyzes Your Observability Data

3
Comments
3 min read
Expanding Our Vision: Unifying Client-Side Observability Data

Expanding Our Vision: Unifying Client-Side Observability Data

1
Comments
4 min read
Explaining Performance to Non-Technical Stakeholders

Explaining Performance to Non-Technical Stakeholders

2
Comments
3 min read
Audit Google Ad Performance With Lighthouse

Audit Google Ad Performance With Lighthouse

1
Comments
3 min read
How To Read Flame Charts and Percentiles

How To Read Flame Charts and Percentiles

5
Comments
3 min read
Google Ads Are Slowing You Down

Google Ads Are Slowing You Down

3
Comments 1
7 min read
See Current Core Web Vitals with Chrome

See Current Core Web Vitals with Chrome

1
Comments
2 min read
Optimizing Static HTML And Images With Webpack

Optimizing Static HTML And Images With Webpack

9
Comments 2
6 min read
Optimizing Images for Web Performance with NGINX

Optimizing Images for Web Performance with NGINX

7
Comments
8 min read
Fast Inline Images With React and Webpack

Fast Inline Images With React and Webpack

4
Comments
6 min read
5 Tips To Make Google Fonts Faster

5 Tips To Make Google Fonts Faster

6
Comments
7 min read
Using Brotli Compression in NGINX

Using Brotli Compression in NGINX

10
Comments
5 min read
HTTP/3 is Fast

HTTP/3 is Fast

13
Comments 1
8 min read
Using HTTP Caching: 2022 Guide

Using HTTP Caching: 2022 Guide

5
Comments 1
6 min read
Synthetic Testing and Real User Monitoring

Synthetic Testing and Real User Monitoring

5
Comments
4 min read
Advertising's Performance Tradeoffs

Advertising's Performance Tradeoffs

3
Comments 1
3 min read
High Performance Images: 2022 Guide

High Performance Images: 2022 Guide

98
Comments 1
7 min read
Fix Your First Contentful Paint: Cheat Sheet

Fix Your First Contentful Paint: Cheat Sheet

6
Comments
5 min read
Using First Contentful Paint - FCP

Using First Contentful Paint - FCP

6
Comments
4 min read
Common Web Performance Tools

Common Web Performance Tools

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Comments 1
3 min read
Kinds of Web Performance Data

Kinds of Web Performance Data

7
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3 min read
Web Performance Metrics

Web Performance Metrics

8
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5 min read
Web Performance Fundamentals

Web Performance Fundamentals

26
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4 min read
Web Performance Profiling: Nike.com

Web Performance Profiling: Nike.com

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Comments 7
6 min read
The Limitations of Lighthouse

The Limitations of Lighthouse

15
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3 min read
How Hacker News Crushed DavidWalshBlog

How Hacker News Crushed DavidWalshBlog

3
Comments 1
4 min read
Web Performance Profiling: Instacart.com

Web Performance Profiling: Instacart.com

4
Comments 1
4 min read
Measuring First Input Delay

Measuring First Input Delay

7
Comments
4 min read
Privacy and Ethical Web Analytics

Privacy and Ethical Web Analytics

4
Comments
4 min read
Fastest News: Best Performing News Website

Fastest News: Best Performing News Website

2
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2 min read
Measuring Largest Contentful Paint

Measuring Largest Contentful Paint

9
Comments
4 min read
Measuring Cumulative Layout Shift

Measuring Cumulative Layout Shift

4
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5 min read
How is Google so fast?

How is Google so fast?

8
Comments
8 min read
Hard-Won Lessons Building Maintainable Web Applications

Hard-Won Lessons Building Maintainable Web Applications

3
Comments
4 min read
Vital Web Performance

Vital Web Performance

6
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4 min read
Building Request Metrics

Building Request Metrics

3
Comments
2 min read
Powerful Ignore Rules for Noisy JavaScript Errors

Powerful Ignore Rules for Noisy JavaScript Errors

3
Comments
3 min read
A Dumpster-Fire Alert for Your JavaScript Errors

A Dumpster-Fire Alert for Your JavaScript Errors

2
Comments
3 min read
The Ongoing State of JavaScript Errors

The Ongoing State of JavaScript Errors

5
Comments
2 min read
What is Developer Time Worth?

What is Developer Time Worth?

5
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3 min read
Faster Elasticsearch Query Performance

Faster Elasticsearch Query Performance

7
Comments
5 min read
Debugging: "Cannot read property 'length' of undefined."

Debugging: "Cannot read property 'length' of undefined."

7
Comments 1
3 min read
Lessons Learned From A Buggy React Upgrade

Lessons Learned From A Buggy React Upgrade

9
Comments
7 min read
Debugging: "Failed to construct 'Request': Invalid Argument." in Edge

Debugging: "Failed to construct 'Request': Invalid Argument." in Edge

2
Comments
3 min read
Best Practices on JavaScript Page Weight

Best Practices on JavaScript Page Weight

3
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4 min read
How to Correctly Wrap a JavaScript Function

How to Correctly Wrap a JavaScript Function

6
Comments
3 min read
Debugging: "Refused to get unsafe header" in Chrome

Debugging: "Refused to get unsafe header" in Chrome

6
Comments
3 min read
How to Avoid Ad Blocker Errors

How to Avoid Ad Blocker Errors

9
Comments
3 min read
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