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Sia Karamalegos profile picture

Sia Karamalegos

Front-end developer passionate about web performance, international conference speaker and Google Developers Expert

Work

Founder & Lead Developer at Clio + Calliope

Architecting data in Eleventy

Architecting data in Eleventy

Reactions 47 Comments 2
13 min read
Vintage Bundles talk at Magnolia JS

Vintage Bundles talk at Magnolia JS

Reactions 3
1 min read
Responsive, Performant Images for the Web

Responsive, Performant Images for the Web

Reactions 35
1 min read
How to build a website in 2020

How to build a website in 2020

Reactions 145 Comments 15
2 min read
Day 26 of⚡️ #30DaysOfWebPerf ⚡️: Tasks

Day 26 of⚡️ #30DaysOfWebPerf ⚡️: Tasks

Reactions 5
1 min read
Day 25 of⚡️ #30DaysOfWebPerf ⚡️: Jank

Day 25 of⚡️ #30DaysOfWebPerf ⚡️: Jank

Reactions 10 Comments 1
1 min read
Day 24 of⚡️ #30DaysOfWebPerf ⚡️: Timing APIs

Day 24 of⚡️ #30DaysOfWebPerf ⚡️: Timing APIs

Reactions 6
1 min read
Day 23 of⚡️ #30DaysOfWebPerf ⚡️: Culture of Performance

Day 23 of⚡️ #30DaysOfWebPerf ⚡️: Culture of Performance

Reactions 5
1 min read
Day 22 of⚡️ #30DaysOfWebPerf ⚡️: Bundle analyzers

Day 22 of⚡️ #30DaysOfWebPerf ⚡️: Bundle analyzers

Reactions 7
1 min read
Day 21 of⚡️ #30DaysOfWebPerf ⚡️: Third-party scripts

Day 21 of⚡️ #30DaysOfWebPerf ⚡️: Third-party scripts

Reactions 5
1 min read
Day 20 of⚡️ #30DaysOfWebPerf ⚡️: Remote Debugging

Day 20 of⚡️ #30DaysOfWebPerf ⚡️: Remote Debugging

Reactions 7
1 min read
Day 19 of⚡️ #30DaysOfWebPerf ⚡️: Frameworks

Day 19 of⚡️ #30DaysOfWebPerf ⚡️: Frameworks

Reactions 8
1 min read
Day 18 of⚡️ #30DaysOfWebPerf ⚡️: Better dependencies

Day 18 of⚡️ #30DaysOfWebPerf ⚡️: Better dependencies

Reactions 8
1 min read
Day 17 of⚡️ #30DaysOfWebPerf ⚡️: Coverage tool

Day 17 of⚡️ #30DaysOfWebPerf ⚡️: Coverage tool

Reactions 6
1 min read
Day 16 of⚡️ #30DaysOfWebPerf ⚡️: Image CLI tools

Day 16 of⚡️ #30DaysOfWebPerf ⚡️: Image CLI tools

Reactions 6
1 min read
Show conditional Twitter intents with Eleventy

Show conditional Twitter intents with Eleventy

Reactions 16
4 min read
Day 15 of⚡️ #30DaysOfWebPerf ⚡️: Metrics

Day 15 of⚡️ #30DaysOfWebPerf ⚡️: Metrics

Reactions 6
1 min read
What frustrates you the most about web performance?

What frustrates you the most about web performance?

Reactions 11 Comments 8
1 min read
Day 13 of⚡️ #30DaysOfWebPerf ⚡️: HTTP/2

Day 13 of⚡️ #30DaysOfWebPerf ⚡️: HTTP/2

Reactions 8
1 min read
Day 12 of⚡️ #30DaysOfWebPerf ⚡️: Image loading for the lazy

Day 12 of⚡️ #30DaysOfWebPerf ⚡️: Image loading for the lazy

Reactions 9
1 min read
Day 11 of⚡️ #30DaysOfWebPerf ⚡️: Lazy-load images

Day 11 of⚡️ #30DaysOfWebPerf ⚡️: Lazy-load images

Reactions 10
1 min read
Day 10 of⚡️ #30DaysOfWebPerf ⚡️: <picture>

Day 10 of⚡️ #30DaysOfWebPerf ⚡️: <picture>

Reactions 7
1 min read
Day 9 of⚡️ #30DaysOfWebPerf ⚡️: Image Resolution

Day 9 of⚡️ #30DaysOfWebPerf ⚡️: Image Resolution

Reactions 8
1 min read
Day 8 of⚡️ #30DaysOfWebPerf ⚡️: srcset and sizes

Day 8 of⚡️ #30DaysOfWebPerf ⚡️: srcset and sizes

Reactions 33
1 min read
Day 7 of⚡️ #30DaysOfWebPerf ⚡️: Image Formats

Day 7 of⚡️ #30DaysOfWebPerf ⚡️: Image Formats

Reactions 10
1 min read
Day 6 of⚡️ #30DaysOfWebPerf ⚡️: Self-hosted fonts

Day 6 of⚡️ #30DaysOfWebPerf ⚡️: Self-hosted fonts

Reactions 8
1 min read
Day 5 of⚡️ #30DaysOfWebPerf ⚡️: Your laptop is a filthy liar

Day 5 of⚡️ #30DaysOfWebPerf ⚡️: Your laptop is a filthy liar

Reactions 9 Comments 2
1 min read
Day 4 of⚡️ #30DaysOfWebPerf ⚡️: Webfonts

Day 4 of⚡️ #30DaysOfWebPerf ⚡️: Webfonts

Reactions 10 Comments 1
1 min read
Day 3 of⚡️ #30DaysOfWebPerf ⚡️: Network profile

Day 3 of⚡️ #30DaysOfWebPerf ⚡️: Network profile

Reactions 8
1 min read
Day 2 of⚡️ #30DaysOfWebPerf ⚡️: Why performance matters

Day 2 of⚡️ #30DaysOfWebPerf ⚡️: Why performance matters

Reactions 12
1 min read
Day 1 of⚡️ #30DaysOfWebPerf ⚡️: Lighthouse

Day 1 of⚡️ #30DaysOfWebPerf ⚡️: Lighthouse

Reactions 32
1 min read
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