Sander van Surksum
@sandervs.bsky.social
Web performance enthousiast - father of 4 daughters - parttime muralist
founder of https://www.iron-out.io
founder of https://www.iron-out.io
🚀 Quick Performance Tip:
Not every conversion issue is a checkout issue.
Slow pages earlier in the flow mean fewer baskets and fewer orders.
#pagespeed #CRO #ux #webperformance #ecommercegrowth #digitalexperience
Not every conversion issue is a checkout issue.
Slow pages earlier in the flow mean fewer baskets and fewer orders.
#pagespeed #CRO #ux #webperformance #ecommercegrowth #digitalexperience
September 29, 2025 at 2:27 PM
🚀 Quick Performance Tip:
Not every conversion issue is a checkout issue.
Slow pages earlier in the flow mean fewer baskets and fewer orders.
#pagespeed #CRO #ux #webperformance #ecommercegrowth #digitalexperience
Not every conversion issue is a checkout issue.
Slow pages earlier in the flow mean fewer baskets and fewer orders.
#pagespeed #CRO #ux #webperformance #ecommercegrowth #digitalexperience
🚀 Quick Performance Tip:
Most sites do not lose customers at checkout. They lose them to small frictions earlier in the flow.
A blank screen, a shifting button, a slow filter. Each breaks trust. And trust is what sells.
#ecommerce #uxdesign #webperformance #CRO #pagespeed
Most sites do not lose customers at checkout. They lose them to small frictions earlier in the flow.
A blank screen, a shifting button, a slow filter. Each breaks trust. And trust is what sells.
#ecommerce #uxdesign #webperformance #CRO #pagespeed
September 26, 2025 at 12:19 PM
🚀 Quick Performance Tip:
Most sites do not lose customers at checkout. They lose them to small frictions earlier in the flow.
A blank screen, a shifting button, a slow filter. Each breaks trust. And trust is what sells.
#ecommerce #uxdesign #webperformance #CRO #pagespeed
Most sites do not lose customers at checkout. They lose them to small frictions earlier in the flow.
A blank screen, a shifting button, a slow filter. Each breaks trust. And trust is what sells.
#ecommerce #uxdesign #webperformance #CRO #pagespeed
🚀 Quick Performance Tips (series intro):
Performance still is not a hygiene factor in e-commerce. But it should be.
Over the next few weeks I will share a short series on how flow, friction and trust shape user behaviour and sales.
#ecommerce #webperformance #conversionrate #digitalgrowth
Performance still is not a hygiene factor in e-commerce. But it should be.
Over the next few weeks I will share a short series on how flow, friction and trust shape user behaviour and sales.
#ecommerce #webperformance #conversionrate #digitalgrowth
September 25, 2025 at 5:49 PM
🚀 Quick Performance Tips (series intro):
Performance still is not a hygiene factor in e-commerce. But it should be.
Over the next few weeks I will share a short series on how flow, friction and trust shape user behaviour and sales.
#ecommerce #webperformance #conversionrate #digitalgrowth
Performance still is not a hygiene factor in e-commerce. But it should be.
Over the next few weeks I will share a short series on how flow, friction and trust shape user behaviour and sales.
#ecommerce #webperformance #conversionrate #digitalgrowth
Google's new CrUX API updates offer deeper performance insights:
🚀 LCP Image Subparts – Find what’s slowing your LCP
📸 LCP Resource Type – Know if LCP is text or images
🌐 RTT Data – Understand network latency better
Optimize your site with these new metrics! #webperf #SEO #userexperience
🚀 LCP Image Subparts – Find what’s slowing your LCP
📸 LCP Resource Type – Know if LCP is text or images
🌐 RTT Data – Understand network latency better
Optimize your site with these new metrics! #webperf #SEO #userexperience
February 12, 2025 at 8:04 AM
Google's new CrUX API updates offer deeper performance insights:
🚀 LCP Image Subparts – Find what’s slowing your LCP
📸 LCP Resource Type – Know if LCP is text or images
🌐 RTT Data – Understand network latency better
Optimize your site with these new metrics! #webperf #SEO #userexperience
🚀 LCP Image Subparts – Find what’s slowing your LCP
📸 LCP Resource Type – Know if LCP is text or images
🌐 RTT Data – Understand network latency better
Optimize your site with these new metrics! #webperf #SEO #userexperience
Two months ago, I spoke about INP (Interaction to Next Paint) and the scheduler.yield() at @frontmania.bsky.social -- and the feedback is in... 🥈 I was rated the 2nd best speaker at the event! 🌟 🥳 🎉
December 6, 2024 at 8:28 AM
Two months ago, I spoke about INP (Interaction to Next Paint) and the scheduler.yield() at @frontmania.bsky.social -- and the feedback is in... 🥈 I was rated the 2nd best speaker at the event! 🌟 🥳 🎉
On my way to @perfnow.bsky.social excited to catch all the talks! #perfnow
November 14, 2024 at 7:48 AM
On my way to @perfnow.bsky.social excited to catch all the talks! #perfnow
It’s the 5th anniversary of @perfnow.bsky.social, one of the most well-organised events with an amazing audience! 🎉 First stop today: WebPerfDays Unconference at Google Amsterdam. Huge thanks to everyone who made this possible—let’s connect if you’re there or catch the livestream! 🚀 #perfnow
November 13, 2024 at 8:41 AM
It’s the 5th anniversary of @perfnow.bsky.social, one of the most well-organised events with an amazing audience! 🎉 First stop today: WebPerfDays Unconference at Google Amsterdam. Huge thanks to everyone who made this possible—let’s connect if you’re there or catch the livestream! 🚀 #perfnow
The 2024 Web Almanac just dropped! Full of real data on Core Web Vitals, JavaScript, images, and more. It’s perfect for helping you improve your site with real numbers. Check it out!
almanac.httparchive.org/en/2024/
#pagespeed #webperformance
almanac.httparchive.org/en/2024/
#pagespeed #webperformance
November 12, 2024 at 9:27 AM
The 2024 Web Almanac just dropped! Full of real data on Core Web Vitals, JavaScript, images, and more. It’s perfect for helping you improve your site with real numbers. Check it out!
almanac.httparchive.org/en/2024/
#pagespeed #webperformance
almanac.httparchive.org/en/2024/
#pagespeed #webperformance