I suggest that you instead focus on HTML elements, but on different / types / elements and trusting that the canvas of the current page that you export from this image is able to display it.
Instead, you want to check things like:
- Typical HTML elements are
<h1> , <p> , <b> , etc. work. - Typical pages that are modified using javascript.
- Pages that use flash in one form or another.
- Pages that use so-called HTML5 elements, such as video.
- Other non-standard components, such as SVG, embedded frames, advertisements.
- Items that should not be copied, such as password fields.
In addition, you will want to make sure that taking a screenshot does not reload the page, which can be fatal.
Arafangion
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