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Web performance

Website and web-application speed, measurement, scalability, load behavior, and optimization.

3,497 stories · 50 in 30 days · Updated Sep 28, 2026

The pace of conversation

Posts per month

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2020-012026-09

Posts per month · first and latest months may be partial.

01 / EXPLORE THROUGH TIME

Timeline

Start with the latest. Scroll back through time, or zoom in for more.

Year by yearUp to 5 stories per year
2026463 stories
Performance Improvements in .NET 11↗ devblogs.microsoft.com · HN · 112 comments · 349 points · Sep 15, 2026
Benchmarking Opus 5 on SlopCodeBench↗ github.com · HN · 119 comments · 405 points · Jul 27, 2026
Performance per dollar is getting faster and cheaper↗ wafer.ai · HN · 136 comments · 358 points · Jul 03, 2026
Every layer of review makes you 10x slower↗ apenwarr.ca · HN · 315 comments · 577 points · Mar 17, 2026
A 40-line fix eliminated a 400x performance gap↗ questdb.com · HN · 78 comments · 370 points · Jan 13, 2026
2025443 stories
Why Nextcloud feels slow to use↗ ounapuu.ee · HN · 350 comments · 457 points · Nov 03, 2025
Fast↗ catherinejue.com · HN · 431 comments · 1606 points · Jul 30, 2025
A 14kb page can load much faster than a 15kb page (2022)↗ endtimes.dev · HN · 311 comments · 504 points · Jul 19, 2025
Go Optimization Guide↗ goperf.dev · HN · 161 comments · 484 points · Mar 31, 2025
3,200% CPU Utilization↗ josephmate.github.io · HN · 222 comments · 493 points · Feb 28, 2025
2024483 stories
I sped up serde_json strings by 20%↗ purplesyringa.moe · HN · 117 comments · 336 points · Aug 22, 2024
Why does an extraneous build step make my Zig app 10x faster?↗ mtlynch.io · HN · 98 comments · 231 points · Mar 20, 2024
How web bloat impacts users with slow devices↗ danluu.com · HN · 597 comments · 932 points · Mar 16, 2024
Speedometer 3.0: A shared browser benchmark for web application responsiveness↗ browserbench.org · HN · 168 comments · 241 points · Mar 11, 2024
Ask HN: How can I learn about performance optimization?↗ news.ycombinator.com · HN · 147 comments · 335 points · Mar 01, 2024
2023505 stories
Faster arXiv with Fastly↗ blog.arxiv.org · HN · 10 comments · 98 points · Dec 21, 2023
We are investigating reports of degraded performance↗ githubstatus.com · HN · 11 comments · 24 points · Nov 03, 2023
Lies, damned lies: debunking Cloudflare’s recent performance tests↗ fastly.com · HN · 8 comments · 54 points · Jul 14, 2023
Fast↗ patrickcollison.com · HN · 15 comments · 61 points · Jul 05, 2023
Show HN: Up to 100x Faster FastAPI with simdjson and io_uring on Linux 5.19↗ github.com · HN · 20 comments · 61 points · Mar 06, 2023
2022455 stories
Why is Rosetta 2 fast?↗ dougallj.wordpress.com · HN · 358 comments · 650 points · Nov 09, 2022
Why modern software is slow↗ randomascii.wordpress.com · HN · 804 comments · 645 points · Sep 29, 2022
A 14kb page can load much faster than a 15kb page↗ endtimes.dev · HN · 343 comments · 933 points · Aug 25, 2022
A/B testing gets misused to juice metrics in the short term↗ zumsteg.net · HN · 334 comments · 514 points · Jul 12, 2022
Ask HN: Internet magically gets faster when opening speedtest?↗ news.ycombinator.com · HN · 347 comments · 685 points · Apr 17, 2022
2021490 stories
Fastly Outage↗ fastly.com · HN · 694 comments · 1255 points · Jun 08, 2021
Extreme HTTP Performance Tuning↗ talawah.io · HN · 145 comments · 976 points · May 20, 2021
Surprisingly Slow↗ gregoryszorc.com · HN · 148 comments · 559 points · Apr 06, 2021
Speed Is the Killer Feature↗ bdickason.com · HN · 528 comments · 569 points · Mar 02, 2021
How I cut GTA Online loading times by 70%↗ nee.lv · HN · 697 comments · 3883 points · Feb 28, 2021
2020658 stories
Why is the Google Cloud UI so slow?↗ debugbear.com · HN · 384 comments · 492 points · Dec 09, 2020
A one-line change decreased our build times by 99%↗ medium.com · HN · 243 comments · 462 points · Oct 24, 2020
In spite of an increase in Internet speed, webpage speeds have not improved↗ nngroup.com · HN · 769 comments · 719 points · Aug 04, 2020
Speed.cloudflare.com↗ speed.cloudflare.com · HN · 151 comments · 498 points · May 26, 2020
I Add 3-25 Seconds of Latency to Every Site I Visit↗ howonlee.github.io · HN · 437 comments · 1564 points · Feb 13, 2020
Scroll through time ↕

02 / CATCH UP

The conversation now

Popular stories, with attention fading over roughly two weeks.

Making Tailscale Faster↗ tailscale.com · HN · 110 comments · 247 points · Sep 23, 2026
Performance Improvements in .NET 11↗ devblogs.microsoft.com · HN · 112 comments · 349 points · Sep 15, 2026
Improving site performance by shipping more CSS↗ github.blog · HN · 71 comments · 90 points · Sep 26, 2026
Show HN: Avoid smooth spinners, use low-FPS spinners↗ nh2.me · HN · 27 comments · 27 points · Sep 25, 2026
Don't use musl if you care about performance↗ blog.brokk.ai · HN · 77 comments · 109 points · Aug 28, 2026

03 / GO DEEPER

Follow your curiosity

Find a particular story, revisit a year, or see what resonated.

Highest rated · the last 30 days

Performance Improvements in .NET 11↗ devblogs.microsoft.com · HN · 112 comments · 349 points · Sep 15, 2026
Making Tailscale Faster↗ tailscale.com · HN · 110 comments · 247 points · Sep 23, 2026
Improving site performance by shipping more CSS↗ github.blog · HN · 71 comments · 90 points · Sep 26, 2026
9000 RPM is faster than your screen refreshes↗ ma.ttias.be · HN · 61 comments · 69 points · Sep 02, 2026
Show HN: Avoid smooth spinners, use low-FPS spinners↗ nh2.me · HN · 27 comments · 27 points · Sep 25, 2026
Show HN: Makefaster.dev↗ makefaster.dev · HN · 2 comments · 18 points · Sep 13, 2026
Ask HN: Why don't we talk about context window size anymore?↗ news.ycombinator.com · HN · 1 comments · 6 points · Sep 04, 2026
Benchmarking Java Performance of JDK 8 Through OpenJDK 27↗ phoronix.com · HN · 0 comments · 4 points · Sep 24, 2026
Fastly Speed Test↗ speed.edgecompute.app · HN · 0 comments · 4 points · Sep 10, 2026
Curl Performance Tests↗ curl.se · HN · 0 comments · 4 points · Sep 01, 2026

10 stories shown.

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