Why Web Components will make the web a better place for our users

tl;dr Web Components v1 is the foundation that will help us build better component libraries, enabling developers to deliver a refined, maintainable and consistent user experience across products.

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The components and modules panel at Edgeconf London 2015

Last Saturday, I attended Edge conference in Facebook’s London office. Edge is a formidable discussion forum between developers, browser vendors, and standards makers.

On the components panel, we discussed the challenges posed by Web Components such as performance and module loading. It was a fascinating conversation (combined with a very lively chat on the Slack channel), but I felt that one party was missing from that discussion: what about our users? How will they benefit from Web Components?

Companies understand better than ever the importance of consistency to build a relationship of quality with their users. To help them do that, we design component libraries and branding style guides that attempt to scale but rapidly hit certain limitations.

We see a proliferation of projects trying to solve the component problem in slightly different ways, using various languages. When we build on top of one of these technologies, it is at the cost of opting into a non-standard world, offering no guarantees of lasting value.

What if web standards could help us solving that problem? And yes, “you can already solve it today with JavaScript”. I’ll get back to that.

We have no idea what we will build our future products with

The web is a beautifully diverse ecosystem: simple HTML documents, single page applications, CMSs, WordPress blogs, hosted sites, Intranets (including Salesforce applications…), webviews… but most of all, we have no idea what we will build our future products with.

How do we enforce consistency across current and future environments?

It seems today the cost of consistency unfortunately is… re-building the same piece of UI for each platform. This of course leads to more technical and design debt. This is a massive waste of our time.

This is where I’d like to answer the argument that “we can already solve it today with JavaScript”:

We need the tools to solve this problem in future-friendly ways.

Web Components to the rescue

The idea of Web components was introduced in 2011 by Alex Russell, and since then the web community has discussed the concept a lot (127,000,000 results on Google Search for “web components”). Despite this interest, browsers haven’t fully implemented Web Components nor agreed on a spec yet; and as far as I know, no major actor has used them in production on large websites.

Thankfully, the wait is almost over: a first version of the Web Components specification is coming this year. Note that this v1 is pretty barebones and won’t bundle all of the Web Components features you may have heard of over the past 4 years. To know more about it, I recommend this article by Wilson Page: The state of Web Components.

Competing implementations were very confusing for developers and paralysed progress instead of encouraging innovation. This v1 spec will have the expected impact as it becomes an agreed, shipped and usable standard in all major browsers.

Let’s get back to the benefits Web Components will bring to our users…

The road to a great user experience

How is implementing Web Components going to impact user experience of the web? It will probably take years, and a lot of efforts for this process to mature. I broke it down into 5 steps:

  1. To solve our present and future use cases, we need a foundation that is built into the web platform: Web Components v1.
  2. Principles enunciated in this foundation will bring a much needed clarity to build and distribute components.
  3. The web community will eventually walk this path together, focusing on developing ubiquitous design, workflow and performance tooling.
  4. Equipped with these tools, we can assemble sustainable, scalable and technology-agnostic component libraries. Build once, run everywhere.
  5. Only then, can we provide a perfectly consistent user experience.

What does this mean in practice?

We are seeing initiatives being taken already, but allow me to predict a few more using my psychic powers.

Most of all, we need large companies to lead the way and give confidence to smaller ones, by rolling out user-facing products using Web Components.

Google, Mozilla and IBM already use Web Components, and their code is open source (Polymer Elements, Gaia, Deliteful). I hope to read about how it helped them deploy UI components in multiple environments to achieve design consistency.

Bootstrap, Foundation and other HTML/CSS/JS frameworks will also transition and make Web Components ubiquitous to all web developers.

New Grunt and Gulp tasks will help integrate Web Components in current apps without sacrificing performance. We can already use vulcanize to concatenate multiple HTML imports into one file.

Module loaders and bundlers (WebPack, jspm…) will adapt to consume a standard type of components, making it easier than ever to build highly performant, complex web applications.

Google is looking at plugging Web Components into Angular 2.0 using Polymer 1.0. Stay tuned, watch Polycasts on Youtube. We’ll also see React, Ember and Knockout interface with Web Components in a not-so-distant future.

I can’t wait to see WordPress themes using Web Components, and maybe witness something that’s impossible at the moment: shared UI elements between WordPress, Drupal, Ghost…

When they don’t need to re-build and maintain duplicates, teams can focus on refining existing components. Imagine teams iterating on shared components, rolling them out to all users at the same time, no matter what frameworks their sites are built with…

This is why Web Components will make the web a better place for our users… And I don’t know about you, but building a better web sounds pretty exciting to me.

Image credits: the lovely picture of London at the top (where you can see the Financial Times office) was taken by Luis Llerena. The shot of the components panel at Edge is from my friend Romain Huet.

Written by

UX Development Manager @Shopify.

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