Tags: light

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How Google Pagespeed works: Improve Your Score and Search Engine Ranking

Ben shares the secret of SEO. Spoiler: the villain turns out to be Too Much JavaScript. Again.

Time to Interactive (TTI) is the most impactful metric to your performance score.

Therefore, to receive a high PageSpeed score, you will need a speedy TTI measurement.

At a high level, there are two significant factors that hugely influence TTI:

  • The amount of JavaScript delivered to the page
  • The run time of JavaScript tasks on the main thread

Lights at sea

Lighthouses of the world, mapped.

Lighthouse | Eric Bailey

What if accessibility were a ranking signal for Google search results?

Here’s a thought: what if Google put its thumb on the scale again, only this time for accessibility? What if it treated the Lighthouse accessibility score as a first-class ranking metric?

Who Are Design Systems For? | CSS-Tricks

Chris ponders the motivations behind companies sharing their design systems publicly. Personally, I’ve always seen it as a nice way of sharing work and saying “here’s what worked for us” without necessarily saying that anyone else should use the same system.

That said, I think Chris makes a good poin here:

My parting advice is actually to the makers of public design systems: clearly identify who this design system is for and what they are able to do with it.

The First Women Trained To Conquer Space - Supercluster

The cosmonaut counterparts of the Mercury women astronauts: Zhanna Yorkina, Irina Solovyova, Tatyana Kuznetsova, Valentina Ponomareva, and Valentina Tereshkova.

Ponomareva recalled there being no envy between the women in the squad. According to her, it was a healthy spirit of competition. Everyone did their best to be number one, but also supported each other’s efforts.

One of those cosmonauts went to space: none of the women training for the Mercury missions did. There would be a shockingly gap of twenty years between the launch of Valentina Tereshkova and the launch of Sally Ride.

Home  |  web.dev

I guess this domain name is why our local developmemnt environments stopped working.

Anyway, it’s a web interface onto Lighthouse (note that it has the same bugs as the version of Lighthouse in Chrome). Kind of like webhint.io.

PWA Directory

Another directory of progressive web apps, this time maintained by Google.

I quite like the way it links through to a Lighthouse report. Here’s the listing for The Session, for example, and here’s the corresponding Lighthouse report.

Hyperlight

Another great sci-fi short film from Dust.

Easy Toggle State

I think about 90% of the JavaScript I’ve ever written was some DOM scripting to handle the situation of “when the user triggers an event on this element, do something to this other element.” Toggles, lightboxes, accordions, tabs, tooltips …they’re all basically following the same underlying pattern. So it makes sense to me to see this pattern abstracted into a little library.

Carbon

This service could be quite handy if you’re making a presentation that involves showing code—it generates syntax-highlighted images of code.

Design Systems | susan jean robertson

Susan reviews Alla’s superb book on design systems:

If you’re interested in or wanting to create a design system or improve the one you have or get buy in to take your side project at work and make it part of the normal work flow, read this book. And even better, get your colleagues to do the same, so you’ll have a shared understanding before you begin the hard work to build your own system.

Susan also published her highlights from the book. I really like that!

Short Trip - Alexander Perrin

Well, this is simply delightful.

Seat 14C

Here’s a fun premise for a collection of sci-fi short stories:

Flight 008 through a temporary wrinkle in the local region of space-time. What these passengers will soon find out as they descend into SFO is that the wrinkle has transported them 20 years in the future, and the year is now 2037.

Read the stories of the passengers from Flight 008, imagined by the world’s top science fiction storytellers, as they discover a future transformed by exponential technologies.

Authors include Bruce Sterling, Madeline Ashby, Paulo Bacigalupi, and Gregory Benford.

[1701.01109] Fast Radio Bursts from Extragalactic Light Sails

We examine the possibility that Fast Radio Bursts (FRBs) originate from the activity of extragalactic civilizations. Our analysis shows that beams used for powering large light sails could yield parameters that are consistent with FRBs.

I’m guessing Paul Gilster may have thoughts on this.

Resilient Web Design | susan jean robertson

Well, this is nice! Susan has listed the passages she highlighted from Resilient Web Design.

In the spirit of the book, I read it in a browser, and I broke up my highlights by chapters. As usual, you should read the book yourself, these highlights are taken out of context and better when you’ve read the whole thing.

Experiment: Using Picture Element and VW+VH units as a Lightbox

This is a clever technique by Dave—use viewport units to make a lightweight lightbox.

Empire of the Air: The Imperial Airship Service

The first in a series of articles looking at the history of British airships a century ago …just in time for the revival.

as days pass by — Programmatic Progressiveness

Stuart’s ideas for Lighthouse sound a lot like the resilience validator tool that Scott mentioned recently.

This is our chance to help stamp out sites that don’t do things right, and help define that a progressive web app should actually be progressive.

If you have ideas on this, please file an issue.

Mapping Mountains · Mapzen

Everything you never wanted to know about conveying elevation information on maps, delivered in Peter’s always-entertaining style and illustrated with interactive examples.

My latest Twitter bot: @5point9billion (14 Dec., 2015, at Interconnected)

I always loved Matt’s light cone project—it was a big influence on the Radio Free Earth hack that I made with Chloe. Now it has been reborn as a Twitter bot. Here’s Matt’s documentation for his future self:

I haven’t made a habit of project write-ups before, but I’m taking an increasingly “long now” approach to the tech I make and use. How will I remember what I made in a decade? By reading this post.