Based on our record, Wordfence should be more popular than Autoptimize. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The issues your site are having are troublesome for most small site administrators: good score on Desktop load but lousy on Mobile load. There are also good paid options for someone to professionally optimize the site using the above plugins (e.g. link), but do due dillgence before you hand over the keys (admin login) to any budget service to work on your WordPress installation, as it can end in tears. Source: over 2 years ago
If you use a solid host like WPengine and a security app like wordfence.com it would be a very rare day indeed to get hacked. Source: 12 months ago
If on wordpress, use the free version of wordfence.com to scan your site and identify possible viruses. Continue to use wordfence to protect the site, and if a successful business blossoms, consider the premium paid version. I'm not affiliated in any way, I've simply used the product with success for a number of years. Source: about 2 years ago
You can also read the documentation to learn about Wordfence's blocking tools, or visit wordfence.com to learn more about Wordfence. Source: about 2 years ago
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