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Boris Schapira profile picture

Boris Schapira

#SiteSpeed #WebPerf #WebQuality aficionado · he/his · Solution Expert @Contentsquare · also teach · EN/fr

Location France Joined Joined on  Personal website https://boris.schapira.dev/en/ github website twitter website

Education

ESIEE Engineering School (Master Degree)

Work

Customer Success / Solution Expert at Contentsquare

Cumulative Layout Shift, The Layout Instability Metric
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Cumulative Layout Shift, The Layout Instability Metric

#webperf #performance #webdev
12
Comments
19 min read

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Self Restraint
borisschapira profile

Self Restraint

#webdev
4
Comments
1 min read
How to Optimize Third-Party Services Performance
borisschapira profile

How to Optimize Third-Party Services Performance

#webperf #performance #webdev
6
Comments
6 min read
Preload, Prefetch and Preconnect: Speed Up your Website with Resource Hints
borisschapira profile

Preload, Prefetch and Preconnect: Speed Up your Website with Resource Hints

#webperf #performance #webdev
9
Comments
6 min read
Performance timing: wait for the next frame (when using the User Timing API)
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Performance timing: wait for the next frame (when using the User Timing API)

#webperf #performance #webdev
13
Comments
3 min read
First Contentful Paint (FCP), Start Render, First Paint. How to properly measure the beginning of page rendering?
borisschapira profile

First Contentful Paint (FCP), Start Render, First Paint. How to properly measure the beginning of page rendering?

#webperf #performance #webdev
9
Comments 2
4 min read
We Love Speed 2019 on September 20 in Lille, France
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We Love Speed 2019 on September 20 in Lille, France

#webperf #conferences #webdev
5
Comments
3 min read
Measuring Interactivity with TTI: Time To (consistently) Interactive
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Measuring Interactivity with TTI: Time To (consistently) Interactive

#webperf #performance #webdev
9
Comments
16 min read
Lazy Loading, faster webpages, SEO friendly
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Lazy Loading, faster webpages, SEO friendly

#images #webperf #webdev
59
Comments
8 min read
Content Encoding: why and how to use the meta charset tag and the Content-Type header
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Content Encoding: why and how to use the meta charset tag and the Content-Type header

#headers #browser #webdev
52
Comments 4
6 min read
One hosts file to block them all
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One hosts file to block them all

#webperf #tools #productivity
52
Comments 12
5 min read
[Dogfooding] How Dareboost has benefited from Custom Timings
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[Dogfooding] How Dareboost has benefited from Custom Timings

#webperf #monitoring #webdev
8
Comments
4 min read
Back to static with JAMStack: a paradigm shift for better UX and web performance
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Back to static with JAMStack: a paradigm shift for better UX and web performance

#webperf #static #webdev
104
Comments 6
10 min read
Web Performance Fundamentals: what is the Speed Index?
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Web Performance Fundamentals: what is the Speed Index?

#webperf #webdev #metrics #tooling
36
Comments
7 min read
Optimize your MP4 video for better performance
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Optimize your MP4 video for better performance

#webperf #video #webdev #performance
28
Comments 1
7 min read
Defer scripts to speed up rendering
borisschapira profile

Defer scripts to speed up rendering

#performance #javascript #webperf #webdev
30
Comments 2
8 min read
Optimize Images to Reduce Page Weight: File Formats, Tools and RWD
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Optimize Images to Reduce Page Weight: File Formats, Tools and RWD

#performance #images #webperf #webdev
29
Comments 9
10 min read
Ensure secured connections with HSTS (HTTP Strict Transport Security)
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Ensure secured connections with HSTS (HTTP Strict Transport Security)

#performance #security #webperf #web
22
Comments
5 min read
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