<amp-twitter {{ with .width }}width="{{ . }}"{{ end }}
             {{ with .height }}height="{{ . }}"{{ end }}
             {{ with .layout }}layout="{{ . }}"{{ end }}
             {{ with .tweet }}data-tweetid="{{ . }}"{{ end }}
             {{ with .cards }}data-cards="{{ . }}"{{ end }}>
    <blockquote placeholder class="twitter-tweet" data-lang="en">
        <p lang="en" dir="ltr">Twitter placeholder. Tweet is loading very soon...</p>&mdash; Optimistic Developer (@optdev) <a href="https://gohugohq.com">November 12, 2016</a>
    </blockquote>
</amp-twitter>