title	conference	date
How to Think like a Performance Engineer	performance.now() 2025	2025-10-30
Starts with concrete tooling and numbers: use the Chrome User Experience Report and Treyo to learn that real users hit ~3.2s P75 where Lighthouse sometimes… Talk on
Site-Speed That Sticks	performance.now() 2024	2024-11-14
Practical playbook and hard numbers: a five‑step performance framework from project definition through deployment, with concrete tools and tests you can run… Talk on
Cache Rules Everything	performance.now() 2023	2023-11-02
Only two headers actually solve HTTP caching: cache-control and ETag; remove clutter like Pragma, Expires and Last-Modified. Use directives you can reason… Talk on
Optimising Largest Contentful Paint	Øredev 2022	2022-11-08
LCP is the measured time to render the page’s largest contentful element and Google’s „good“ threshold is 2.5s; only ~54% of sites hit acceptable LCP and a… Talk on
Optimising Largest Contentful Paint	performance.now() 2022	2022-10-27
Explains that Largest Contentful Paint (LCP) is measurable and fixable with concrete steps not fluff citing Core Web Vitals 2.5s target and HTTP Archive… Talk on
Get Your Head Straight	SmashingConf Freiburg 2022	2022-09-05
HTML is parsed line by line so anything in the head blocks render; the head becomes the single biggest render‑blocking part of a page. A real demo starts at… Talk on
Get Your "head" Straight	beyond tellerrand Düsseldorf 2021	2021-11-08
Shows that reordering head reduces start render from 9.3s to 2.6s; moving a meta content security policy to the top saves about 3.7 seconds by preserving the… Talk on
From Milliseconds to Millions: The Numbers Driving Web Perf	performance.now() 2019	2019-11-21
Slides and numbers drive decisions: concrete wins, not vague topics. Case studies show measurable impact — 6.2–6.4 seconds faster on mobile without touching ad… Talk on
From Milliseconds to Millions	ffconf 2019	2019-11-08
Concrete numbers, measurable wins, and the actual fixes decide tonight. Case studies show a site dropping from ~16s to ~6s global load, a Venezuela hotspot… Talk on
“More Than You Ever Wanted to Know About Resource Hints”	Clarity 2019	2019-08-20
Resource hints are five simple HTML lines that actually change load time: dns-prefetch saves ~80–120ms for common names but can hit 1–10s in edge cases… Talk on
More Than You Wanted to Know About Resource Hints	Shift Dev 2019	2019-05-30
158-slide deep dive that distils six concrete resource hints and how to use them: DNS prefetch, preconnect, prefetch, preload. Examples include preconnect… Talk on
It’s My (Third) Party, and I’ll Cry if I Want To	JSHeroes 2019	2019-04-11
Shows how to measure actual cost of third parties and then fix them: use WebPageTest + RequestMap to map domains and run block-tests, use Charles throttling to… Talk on
It’s My (Third) Party, and I’ll Cry if I Want To	JS Fest 2019 Spring	2019-04-04
Shows specific failures and fixes: measure third‑party overhead with WebPageTest and Request Map to get a jellyfish CSV, rerun blocking tests, and simulate… Talk on
It’s My (Third) Party, and I’ll Cry if I Want To	FrontEnd Con 2018	2018-12-04
Shows how to find, measure and fix third-party cost: run WebPageTest and feed its ID into RequestMap to get a CSV, import that into a spreadsheet, then re-run… Talk on
It’s My (Third) Party, and I’ll Cry if I Want To	Cold Front 2018	2018-11-13
Third-party scripts often multiply requests and bytes — WebPageTest plus RequestMap shows requests rising 4.2× and bytes 2.7×, and blocking tag managers can… Talk on
It's My (Third) Party and I'll Cry If I Want To	performance.now() 2018	2018-11-08
Shows concrete failures and fixes: a tag manager outage blocks rendering for ~80–90 seconds (Chrome timeout ~80s) and can freeze pages; WebPageTest plus… Talk on
FaCSSt: CSS and Performance	Web Unleashed 2018	2018-10-01
Claims and numbers: embedding images as base64-encoded images in CSS inflates critical CSS and causes up to 10x slower first paint on mobile (examples: ~700ms… Talk on
Third-Party Performance Auditing	Smashing Conference Toronto 2018	2018-06-26
-- no description -- Talk on
FaCSSt—CSS and Performance	Frontend United 2018	2018-06-01
Claims and measurements focus decisions: saving 300 ms = potential £8.1M/yr; a 1 MB stylesheet = ~200 ms parse on Moto G4; base64 in CSS makes first paint… Talk on
It’s My (Third) Party and I'll Cry If I Want To	DeltaV Conference 2018	2018-05-10
Shows concrete audits and fixes: uses requestmap.webperf.tools plus WebPageTest and the WebPageTest block feature to compare before/after, probes origins with… Talk on
FaCSSt: CSS & Performance	JS Fest 2018	2018-03-30
Slides and experiments show concrete, actionable findings: a 1 MB stylesheet takes about 200 ms parse on a Moto G, base64-encoding images in CSS makes parsing… Talk on
Why Fast Matters	JS Fest 2018	2018-03-30
Shows that shaving 0.3s drives an extra £8.1M per year, turning on gzip cuts bandwidth by 43%, and cutting load times 80% yields an 80% jump in organic… Talk on
FaCSSt—CSS and Performance	Render Conference 2018	2018-03-23
CSS parsing and delivery actually decide perceived speed: a 1 MB stylesheet costs about 200 ms parse on a Moto G4, embedding images with base64 blows up… Talk on
Why Fast Matters	Beyond Tellerrand Munich 2018	2018-01-15
Case studies show concrete wins: reducing latency by 0.3s yields £8.1M in extra revenue for a train ticket retailer, turning on gzip saves 43% of a large… Talk on
Why Fast Matters	CSSConf Budapest 2017	2017-10-25
A case study shows shaving 0.3s = £8.1m from a train-ticket checkout; Netflix cuts costs by 43% bandwidth saved by gzip; GQ reduces load time 80% and gains 32%… Talk on
Refactoring CSS Without Losing Your Mind	CSSconf Argentina 2016	2016-08-07
Argues that refactoring must be specific: prove costs with numbers (theme hacks total 9 days versus a 7‑day refactor), avoid giant “refactoring tunnels,” and… Talk on
CSS for Software Engineers for CSS Developers	CSS Day + HTML Special 2016	2016-06-16
116‑slide sprint that maps concrete software‑engineering principles onto CSS: uses variables and mixins for a single source of truth, breaks classes by… Talk on
CSS for Software Engineers for CSS Developers	Frontend United 2016	2016-05-27
Argues that stealing software‑engineering patterns makes CSS easier to maintain: use DRY via variables and mixins (preprocessors or PostCSS produce the single… Talk on
CSS for Software Engineers for CSS Developers	Front-Trends 2016	2016-05-18
Argues for stealing classical SE patterns for CSS and gives concrete techniques: use preprocessors and mixins to enforce a single source of truth (e.g., $unit… Talk on
4½ Methods for Theming in (S)CSS	CSSConf Australia 2015	2015-03-26
Claims four concrete theming patterns plus a half for user customization and shows working code: Sass-based theme pallet, Sass config theming… Talk on
10 Principles for effective Front-end Development	dotCSS 2014	2014-11-14
Ten concrete principles: favor the simplest option and reduce moving parts, quantify cost versus value, pick pragmatic over perfect, and think at the product… Talk on
Normalising designs for better quality CSS	CSSConf EU 2013	2013-09-13
Argues for saying no to designs that bloat CSS and for pragmatic tradeoffs that keep a codebase tiny and maintainable. Uses concrete rules: a 16px base font… Talk on
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