Harry Roberts
@csswizardry
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🚀 Independent Web Performance Consultant • Speaker • Google Developer Expert, Web Performance • Accepting new clients • https://t.co/dfDc69bpeD
Leeds, England
Joined March 2009
📣 Today I am incredibly excited to launch SENTINEL, a new service designed to help companies stay on top of site-speed with minimal friction.
csswizardry.com
I keep an eye on site-speed so you don’t have to
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One of my greatest privileges was being the older brother to two incredible little sisters (and my niece, obviously). Happy holidays to you and yours.
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Happy Holidays. Thankful for 2025. Merry Christmas and Happy New year 2026
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🥩 Steak and potatoes Ribeye, pommes purée, garlic greens, and a red wine pan sauce.
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Tim Cook rubs his little mitts together every time I leave one of these behind at a client’s office.
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Wrong on so many levels.
Totally normal Viennese elevator: P = Parterre (sometimes ground floor, sometimes not) Z = Zwischengeschoss (in-between floor) M = Mezzanin (more fancy in-between floor) 1, 2 (actually EU 3rd/4th floor, American 4th/5th floor) D = Dachgeschoss (Penthouse)
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MURDER MOST FOUL: Covert Action, Mockingbird Media, and JFK By M.C. Armstrong If we want the truth about the JFK assassination, we have to fight for it. And we need allies. As @TheOliverStone and @jimmydie1963 recently learned, @ABC is not an ally of the truth. Has one
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🎂 Today, the domain https://t.co/ZQMro37Hos turns 18. I bought the domain on 19 November, 2007, when I was 17 years old. Do I like it? No. But it’s served me incredibly well. I even named my business after it. https://t.co/ZQMro37Hos—legally old enough to drink. Cheers!
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🎉 Recent results speak for themselves! A client contacted me with the simple goal of getting into Google’s good books. Consider it done.
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Step out of the shower onto instant dryness — this non-slip absorbent rug soaks up water in seconds while keeping your bathroom floor safe and clean.
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🇬🇧 ✈️ 🇳🇱 It’s my favourite week of the year. It’s @PerfNowConf!
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The biggest CLS score I’ve ever seen on a real site. This wasn’t a purpose-built demo or a bug or a weird edge case. This is a perfectly ‘normal’ CLS event(s). Ouch!
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Journey through broken timelines, harvest souls, and uncover hidden truths as reality bends around you.
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🍅 This morning, I made arguably my best shakshuka to date. With the leftovers (Italians, stop reading now), I styled it out into a caponata style sauce and tossed in some casarecce and feta.
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Nice touch!
TIL if you Google a font name the search result page is rendered with that font.
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🐙 I recently switched to @OctopusEnergy so it’s neat to hear how it’s all put together at #joyconf!
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Please stop using `public`. It’s implied by the presence of `max-age` and including it explicitly has almost-definitely unwanted side effects.
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