Accessibility
You are not supposed to expose every singular element to assistive technologies such as screen readers: you should expose only relevant ones.
Offscreen content can and should be hidden from them.
Use a screen reader to be sure that your offscreen content is hidden: indeed it should not be able to report it.
If you need to hide offscreen content, simply use visibility: hidden or display: none to remove the elements.
.remove-me { visibility: hidden; } <button class="remove-me">Can't reach me with the TAB key!</button>
Learn more about Accessibility
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