‘Due to’ is a bit more complicated than it looks. Check out the grammar rules here.
due to
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Linking words takeaways
as well as
‘As well as’ cannot usually replace ‘and’. See how it works here.
in case of
‘In case of’ might not have the meaning you think it has – see the issues it causes here.
on the contrary vs in contrast
Avoid using ‘on the contrary’ as a linking word – it is only used in very specific circumstances.
moreover
Honestly I would avoid both ‘moreover’ and ‘besides’ as linking words. Find out why.
according to
How to use ‘according to’.