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Google Maps Hacks, Performance and Installation, 2020 By Simon Weckert

I can’t decide if this is industrial sabotage or political protest. Either way, I like it.

99 second hand smartphones are transported in a handcart to generate virtual traffic jam in Google Maps.Through this activity, it is possible to turn a green street red which has an impact in the physical world by navigating cars on another route to avoid being stuck in traffic

Draw all roads in a city at once

A lovely little bit of urban cartography.

20/20 Visions Review - Brighton Source

Here’s a write-up (with great photos) from the truly excellent gig that Salter Cane headlined on Saturday night.

The high praise for all the bands is not hyperbole—I was blown away by how good they all were!

Move Fast & Don’t Break Things | Filament Group, Inc.

This is the transcript of a brilliant presentation by Scott—read the whole thing! It starts with a much-needed history lesson that gets to where we are now with the dismal state of performance on the web, and then gives a whole truckload of handy tips and tricks for improving performance when it comes to styles, scripts, images, fonts, and just about everything on the front end.

Essential!

Location, Privilege and Performant Websites

Testing on a <$100 Android device on a 3G network should be an integral part of testing your website. Not everyone is on a brand-new device or upgrades often, especially with the price point of a high-end phones these days.

When we design and build our websites with the outliers in mind, whether it’s for performance or even user experience, we build an experience that can be easy for all to access and use — and that’s what the web is about, access and information for all.

5G Will Definitely Make the Web Slower, Maybe | Filament Group, Inc.

The Jevons Paradox in action:

Faster networks should fix our performance problems, but so far, they have had an interesting if unintentional impact on the web. This is because historically, faster network speed has enabled developers to deliver more code to users—in particular, more JavaScript code.

And because it’s JavaScript we’re talking about:

Even if folks are on a new fast network, they’re very likely choking on the code we’re sending, rendering the potential speed improvements of 5G moot.

The longer I spend in this field, the more convinced I am that web performance is not a technical problem; it’s a people problem.

Website Carbon Calculator – Calculate your websites carbon emissions

Get an idea of how much your website is contributing to the climate crisis.

In total, the internet produces 2% of global carbon emissions, roughly the same as that bad boy of climate change, the aviation industry.

Bandstands: The industry built on Victorian social engineering - BBC News

As a resident of Brighton—home to the most beautiful of bandstands—this bit of background to their history is fascinating.

Less Data Doesn’t Mean a Lesser Experience| TimKadlec.com

If you treat data as a constraint in your design and development process, you’ll likely be able to brainstorm a large number of different ways to keep data usage to a minimum while still providing an excellent experience. Doing less doesn’t mean it has to feel broken.

A Walk In Hong Kong (Idle Words)

Maciej goes marching.

The protests are intentionally decentralized, using a jury-rigged combination of a popular message board, the group chat app Telegram, and in-person huddles at the protests.

This sounds like it shouldn’t possibly work, but the protesters are too young to know that it can’t work, so it works.

“Never-Slow Mode” (a.k.a. “Slightly-Fast Mode”) Explained

I would very much like this to become a reality.

Never-Slow Mode (“NSM”) is a mode that sites can opt-into via HTTP header. For these sites, the browser imposes per-interaction resource limits, giving users a better user experience, potentially at the cost of extra developer work. We believe users are happier and more engaged on fast sites, and NSM attempts to make it easier for sites to guarantee speed to users. In addition to user experience benefits, sites might want to opt in because browsers could providing UI to users to indicate they are in “fast mode” (a TLS lock icon but for speed).

Mobile E-Commerce UX: Deemphasize ‘Install App’ Ads or Avoid Them Entirely

The test results are in:

During our testing “Install App” banners were the direct and sole cause of several abandonments of some of the world’s largest e-commerce websites.

Read on for details…

Native lazy-loading for the web  |  web.dev

The title is somewhat misleading—currently it’s about native lazy-loading for Chrome, which is not (yet) the web.

I’ve just been adding loading="lazy" to most of the iframes and many of the images on adactio.com, and it’s working a treat …in Chrome.

Web Bloat Score Calculator

Page web bloat score (WebBS for short) is calculated as follows:

WebBS = TotalPageSize / PageImageSize

Yes, this is a tongue-in-cheek somewhat arbitrary measurement, but it’s well worth reading through the rationale for it.

How can the image of a page be smaller than the page itself?

AddyOsmani.com - Native image lazy-loading for the web!

The loading attribute for images and iframes is coming to Chrome. The best part:

You can also use loading as a progressive enhancement. Browsers that support the attribute can get the new lazy-loading behavior with loading=lazy and those that don’t will still have images load.

Performance Budgets That Stick - TimKadlec.com

I like Tim’s definition here:

A performance budget is a clearly defined limit on one or more performance metrics that the team agrees not to exceed, and that is used to guide design and development.

And I agree about the four attributes required for a performance budget to succeed. It must be:

  1. Concrete
  2. Meaningful
  3. Integrated
  4. Enforceable

The point is not to let the performance budget try to stand on its own, somewhere hidden in company documentation collecting dust. You need to be proactive about making the budget become a part of your everyday work.

Minimal Google Analytics Snippet | Minimal Analytics

If you really, really have to add Google Analytics to a sites, here’s a way to do it in a more performant way, without the odious Google Tag Manager.

Blockchain and Trust - Schneier on Security

Honestly, cryptocurrencies are useless. They’re only used by speculators looking for quick riches, people who don’t like government-backed currencies, and criminals who want a black-market way to exchange money.

Bruce Schneier on the blockchain:

What blockchain does is shift some of the trust in people and institutions to trust in technology. You need to trust the cryptography, the protocols, the software, the computers and the network. And you need to trust them absolutely, because they’re often single points of failure.

Limiting JavaScript? - TimKadlec.com

Following on from that proposal for a browser feature that I linked to yesterday, Tim thinks through all the permutations and possibilities of user agents allowing users to throttle resources:

If a limit does get enforced (it’s important to remember this is still a big if right now), as long as it’s handled with care I can see it being an excellent thing for the web that prioritizes users, while still giving developers the ability to take control of the situation themselves.