Hi,
These are some of the key factors to consider for speed:
– hosting. For example, a cheap $5/month host is what it’s worth.
– images – if you have lots of big images (and not optimized), this will impact your load time.
– server settings, but this is an entirely different discussion.
– for WordPress – poorly coded plugins may impact load times
– social media widgets – these basically load a different site in an iframe, so they add a big number to your load times.
But since you’re creating sites for clients, I’m sure you already knew that 🙂
Also, keep in mind that themes are not full-blown-optimized solutions, they are just templates that still need to be customized for each particular use case.
Regards,
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Cosmin
Support Assistant