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← "Is the page loaded?" was never a real question, and web performance…
17 connected korrents · 13 moments from 18 Dec 2023 to 26 Aug 2026.
Everything filed under software performance
software performance
Everything filed under developer tools
developer tools
Everything filed under LLMs
LLMs
Everything filed under AI agents
AI agents
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startups
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AI writing
Everything filed under design
design Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: "Is the page loaded?" was never a real question, and web performance only became measurable once it was broken into the distinct moments a user actually notices. "Is the page loaded?" was never a real question, and web performance only became measurable once it was broken into the distinct moments a user actually notices. Last stated 2 months ago
19 Aug 2026
AO
Addy Osmani — holds since 2026-08-19 — tap for who they are
Same subject: Performance work used to mean half a day reading traces before writing a single fix, and language models have collapsed that step to minutes. — tap to centre the map on it Performance work used to mean half a day reading traces before writing a single fix, and language models have collapsed that step to minutes. Last stated 2 months ago
19 Aug 2026
AO
Addy Osmani — holds since 2026-08-19 — tap for who they are
Same subject: Users split into two camps on seeing an agent's work, and the split has not faded as trust builds, so an interface has to balance both. — tap to centre the map on it Users split into two camps on seeing an agent's work, and the split has not faded as trust builds, so an interface has to balance both. Last stated 8 months ago
17 Feb 2026
LW
Luke Wroblewski — holds since 2026-02-17 — tap for who they are
Same subject: AI web search is imitating a human habit for no reason — revisiting the same pages for snippets instead of taking the whole page once. — tap to centre the map on it AI web search is imitating a human habit for no reason — revisiting the same pages for snippets instead of taking the whole page once. Last stated 7 months ago
29 Mar 2026
CH
Chip Huyen — holds since 2026-03-29 — tap for who they are
Same subject: An idea can be obviously good and obviously ridiculous at the same time; being grounded in a real user problem is what carries it through. — tap to centre the map on it An idea can be obviously good and obviously ridiculous at the same time; being grounded in a real user problem is what carries it through. Last stated 3 months ago
31 Jul 2026
PC
Patrick Collison — holds since 2026-07-31 — tap for who they are
Same subject: Now that anyone can generate a body of text, the only thing that justifies asking for a reader's time is whether the idea itself is worth reading. — tap to centre the map on it Now that anyone can generate a body of text, the only thing that justifies asking for a reader's time is whether the idea itself is worth reading. Last stated 2 months ago
19 Aug 2026
AO
Addy Osmani — holds since 2026-08-19 — tap for who they are
Same subject: Moving between canvas and browser is not about going faster but further, and it lets people who aren't technical jump into the browser and test something. — tap to centre the map on it Moving between canvas and browser is not about going faster but further, and it lets people who aren't technical jump into the browser and test something. Last stated 7 months ago
10 Mar 2026
LO
Luis Ouriach — holds since 2026-03-10 — tap for who they are
Same subject: People are more used to computers than old design assumptions allow, and testing often shows they know how to scroll. — tap to centre the map on it People are more used to computers than old design assumptions allow, and testing often shows they know how to scroll. Last stated 6 months ago
5 May 2026
RC
Rafa Conde — holds since 2026-05-05 — tap for who they are
Same subject: A decade of arguing that software is too slow has started to work: new products are now attacking established categories on a performance pitch alone, and getting traction. — tap to centre the map on it A decade of arguing that software is too slow has started to work: new products are now attacking established categories on a performance pitch alone, and getting traction. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: "Optimize it later" would be safe advice only if every engineer already knew how to avoid the architectural mistakes that no later optimization can remove. — tap to centre the map on it "Optimize it later" would be safe advice only if every engineer already knew how to avoid the architectural mistakes that no later optimization can remove. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: A 300-millisecond response budget is not an achievement but an admission: 300 milliseconds is an eternity in computing, and a product pitching it shows how far the bar has fallen. — tap to centre the map on it A 300-millisecond response budget is not an achievement but an admission: 300 milliseconds is an eternity in computing, and a product pitching it shows how far the bar has fallen. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: A local SSD might as well be treated as one more layer of the memory cache hierarchy. — tap to centre the map on it A local SSD might as well be treated as one more layer of the memory cache hierarchy. Last stated 2 years ago
26 Sept 2024
KV
Kenton Varda — holds since 2024-09-26 — tap for who they are
Same subject: A profiler measures time already spent in an operation, not how much time would be saved by optimizing it. — tap to centre the map on it A profiler measures time already spent in an operation, not how much time would be saved by optimizing it. Last stated 3 years ago
18 Dec 2023
NE
Nelson Elhage — holds since 2023-12-18 — tap for who they are
Same subject: A tool's speed comes primarily from its design decisions rather than the programming language it is written in. — tap to centre the map on it A tool's speed comes primarily from its design decisions rather than the programming language it is written in. Last stated 10 months ago
29 Dec 2025
AP
Aaron Patterson — holds since 2025-12-29 — tap for who they are
Same subject: Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose. — tap to centre the map on it Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose. Last stated a year ago
3 Aug 2025
BG
Brendan Gregg — holds since 2025-08-03 — tap for who they are
Same subject: Compiler mechanisms that force a required optimization to occur, rather than relying on incidental compiler behavior, are a more robust way to write performance-sensitive code. — tap to centre the map on it Compiler mechanisms that force a required optimization to occur, rather than relying on incidental compiler behavior, are a more robust way to write performance-sensitive code. Last stated 2 years ago
9 Mar 2025
NE
Nelson Elhage — holds since 2025-03-09 — tap for who they are
Same subject: What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs. — tap to centre the map on it What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. — tap to centre the map on it A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
At the centre
"Is the page loaded?" was never a real question, and web performance only became measurable once it was broken into the distinct moments a user actually notices.
Holds Read this korrent →
Performance work used to mean half a day reading traces before writing a single fix, and language models have collapsed that step to minutes.
Holds
Users split into two camps on seeing an agent's work, and the split has not faded as trust builds, so an interface has to balance both.
Holds
AI web search is imitating a human habit for no reason — revisiting the same pages for snippets instead of taking the whole page once.
Holds
An idea can be obviously good and obviously ridiculous at the same time; being grounded in a real user problem is what carries it through.
Holds
Now that anyone can generate a body of text, the only thing that justifies asking for a reader's time is whether the idea itself is worth reading.
Holds
Moving between canvas and browser is not about going faster but further, and it lets people who aren't technical jump into the browser and test something.
Holds
People are more used to computers than old design assumptions allow, and testing often shows they know how to scroll.
Holds
A decade of arguing that software is too slow has started to work: new products are now attacking established categories on a performance pitch alone, and getting traction.
Holds
"Optimize it later" would be safe advice only if every engineer already knew how to avoid the architectural mistakes that no later optimization can remove.
Holds
A 300-millisecond response budget is not an achievement but an admission: 300 milliseconds is an eternity in computing, and a product pitching it shows how far the bar has fallen.
Holds
A local SSD might as well be treated as one more layer of the memory cache hierarchy.
Holds
A profiler measures time already spent in an operation, not how much time would be saved by optimizing it.
Holds
A tool's speed comes primarily from its design decisions rather than the programming language it is written in.
Holds
Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose.
Holds
Compiler mechanisms that force a required optimization to occur, rather than relying on incidental compiler behavior, are a more robust way to write performance-sensitive code.
Holds
What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs.
Holds
A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach.
Holds