‣
‣
Doctype
do?‣
‣
‣
cookie
vs sessionStorage
vs localStorage
‣
<script>
vs <script async>
vs <script defer>
? ‣
<link>
s between <head></head>
? ‣
<script>
s just before </body>
? Do you know any exceptions?‣
‣
srcset
attribute? Why would you use it?‣
data-
attributes used for?‣
rel="noopener"
attribute used?‣
‣
‣
<header>
, <article>
, <section>
, <footer>
‣
<header>
elements? What about <footer>
elements?