Re: Intent to prototype and ship: lazy load images

2020-02-18 Thread Hiroyuki Birchill Ikezoe
On Sat, Feb 15, 2020 at 4:48 AM Boris Zbarsky wrote: > On 2/6/20 5:26 PM, Hiroyuki Birchill Ikezoe wrote: > > Is this feature enabled by default in sandboxed iframes?: no, as of now > > there is no proposed flag to enable this feature in sandboxed iframes. > > But is it disabled by default there?

Re: Intent to prototype and ship: lazy load images

2020-02-14 Thread Hiroyuki Birchill Ikezoe
On Tue, Feb 11, 2020 at 12:43 AM Anne van Kesteren wrote: > On Mon, Feb 10, 2020 at 3:22 PM Hiroyuki Birchill Ikezoe > wrote: > > Is this feature enabled by default in sandboxed iframes?: no, as of now > > there is no proposed flag to enable this feature in sandboxed iframes. > > I think the ans

Re: Intent to prototype and ship: lazy load images

2020-02-14 Thread Boris Zbarsky
On 2/6/20 5:26 PM, Hiroyuki Birchill Ikezoe wrote: Is this feature enabled by default in sandboxed iframes?: no, as of now there is no proposed flag to enable this feature in sandboxed iframes. But is it disabled by default there? I would assume not, unless it's specifically gated on sandboxi

Re: Intent to prototype and ship: lazy load images

2020-02-14 Thread Anne van Kesteren
On Mon, Feb 10, 2020 at 3:22 PM Hiroyuki Birchill Ikezoe wrote: > Is this feature enabled by default in sandboxed iframes?: no, as of now > there is no proposed flag to enable this feature in sandboxed iframes. I think the answer to this question is more complicated. It's disabled if scripts are

Intent to prototype and ship: lazy load images

2020-02-10 Thread Hiroyuki Birchill Ikezoe
In Firefox 75, I intend to turn lazy load images on by default. Summary: lazy load images improves initial page load performance by deferring loading images which are out of viewport, it also reduces network traffic. Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1542784 Standard: https://git