Here’s my contributions to kick things off:
- Sometimes they are so ingenious that things that used to work no longer do, which is what I’ve noticed that with new browser upgrades, some web standards have changed. Fear not, you can still make your content formatting work as it used to!
- For instance, I’ve noticed that
<i>tags (italic text) don’t seem to work any more on sites when viewed in Firefox. If this is happening to you, use
<em>tags (emphasise text) instead. Same goes for
<b>tags (bolded text) – switch to using
<strong>tags (strong text).
- Image embedding needs to have a self closing string now, or else the image won’t display in all browsers. i.e.
<img src="http://domain-name/imagename.jpg" alt="description of image" width="number of pixels" height="number of pixels" />
- Ideally you should always include the width and height of a picture, because it speeds up page loading – the browser can reserve that space for the image element and load it in the background while it processes the rest of the HTML for that page. Alt-text I hope everybody here understands about already for accessibility reasons, but it’s also good SEO practice.