Bleeding Edge Web: April 2017
Announcements
News From the Bleeding Edge
— Brian Moeskau (@bmoeskau)
Web Performance Deep Dive
— Chander Dhall (@csdhall)
News from the
Bleeding Edge
Browser Pop Quiz
Last check — March 22, 2017:
Browser Pop Quiz
As of April 25, 2017:
Chrome 58
Released April 19
Chrome 58
In-browser key/value database with:
- Indexes (duh)
- Object storage
- Queries & Cursors
- Transactions
- Events
- Multi-client support
(And a teaser of headless Chrome coming soon)
Chrome 58
Firefox 53
Released April 19 — Release Notes
Nothing major, lots of minor improvements.
Safari 10.1 (reminder)
Widely released March 27 — Release Notes
Basically brought it to parity with Chrome and FF
Speaking of Browsers...
Pop Quiz:
Which are the top 5 browsers, worldwide, across all platforms?
Speaking of Browsers...
Top 5 worldwide, all platforms:
Speaking of Browsers...
- Owned by Alibaba, been around since 2004
- 17% worldwide when measuring mobile-only!
Learn more
and know your audience!
Libraries, Tools &
Frameworks
Sidebar: CSS Custom Properties
Compared to pre-processors (SASS, LESS):
- Variables can change on the fly
- Aware of DOM structure
- Can be read/updated from JS
- Sometimes SASS/LESS would just be overkill
Sidebar: CSS Custom Properties
* You don't need to support IE, right?
New: React VR
Build VR websites and interactive 360 experiences with React
Released
April 18 (Github)
PostgreSQL 10
Coming later this year (Fall 2017)
- Declarative partitioning
- Logical replication
- Improved parallel query
- SCRAM authentication
- Executor speedups
- Durable hash indexes
And a whole lot more!
Mandatory CAA Checking
What's a CAA?
- "Certification Authority Authorization"
- A new-ish DNS resource record type
- Heard of A, CNAME and TXT
records? Now there's CAA too
Mandatory CAA Checking
The purpose is basically 2 things:
- Restrict which CA's can issue certificates for your domain
- Define who gets notified if this is violated
Find out more. Here's an example:
example.com. CAA 0 issue "letsencrypt.org"
example.com. CAA 0 iodef "mailto:[email protected]"
Mandatory CAA Checking
Cool! Why should I care?
- Helps prevent hackers from exploiting your site
- It's free and trivial to set up
- In March the CA/Browser Forum made checking mandatory for CA's
Bottom line: If you manage DNS, start using this!
Avoid JS Dialogs
The Chromium team highly recommends that you not use JavaScript dialogs.
Includes alert(), confirm(), and
prompt()
They recommend instead using...
This year, over 64,000 developers told us how they learn and level up, which tools they’re using, and what they want.
This year, over 64,000 developers told us how they learn and level up, which tools they’re using, and what they want.
A civic hackathon where we hack solutions to our community problems.
Thanks!
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