Progressive Web Apps (Google Developers Summit Tokyo 2016 Day 2) ref: http://qiita.com/tnir/items/2e2f496ece3f9bc97dda

file0.txt

$ curl -sv https://smp.suumo.jp/ -o /dev/null
*   Trying 54.248.247.239...
* Connected to smp.suumo.jp (54.248.247.239) port 443 (#0)
* TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
* Server certificate: smp.suumo.jp
* Server certificate: Symantec Class 3 Secure Server CA - G4
* Server certificate: VeriSign Class 3 Public Primary Certification Authority - G5
> GET / HTTP/1.1
> Host: smp.suumo.jp
> Accept: */*
>
< HTTP/1.1 200 OK
< Cache-control: max-age=0, no-cache, no-store
< Content-Type: text/html; charset=UTF-8
< Date: Wed, 27 Apr 2016 xx:xx:xx GMT
< Pragma: no-cache
< Server: Apache
< Set-Cookie: PHPSESSID=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx; expires=Wed, 27-Apr-2016 xx:xx:xx GMT; Max-Age=1800; path=/
< Set-Cookie: smp_rd=https%3A%2F%2Fsmp.suumo.jp%2F; expires=Sat, 25-Apr-2026 xx:xx:xx GMT; Max-Age=315360000; path=/
< Set-Cookie: bannerTopAppFlg=1; expires=Wed, 27-Apr-2016 xx:xx:xx GMT; Max-Age=1800; path=/
< Vary: Accept-Encoding
< X-Mod-Pagespeed: 1.9.32.14-0
< Content-Length: xxxx
< Connection: keep-alive
<
{ [XXXX bytes data]
* Connection #0 to host smp.suumo.jp left intact

file1.txt

{
    "lang": "ja",
    "name": "SUUMO",
    "short_name": "SUUMO",
    "icons": [{
        "src": "/launcher-icon-3x.png",
        "sizes": "144x144",
        "type": "image/png"
    }, {
        "src": "/splashscreen-icon-192x192.png",
        "sizes": "192x192",
        "type": "image/png"
    }, {
        "src": "/splashscreen-icon-256x256.png",
        "sizes": "256x256",
        "type": "image/png"
    }, {
        "src": "/splashscreen-icon-384x384.png",
        "sizes": "384x384",
        "type": "image/png"
    }, {
        "src": "/splashscreen-icon-512x512.png",
        "sizes": "512x512",
        "type": "image/png"
    }],
    "background_color": "#ffffff",
    "theme_color": "#ffffff",
    "start_url": "/apps/homescreen/",
    "display": "standalone",
    "gcm_sender_id": "926788163944"
}