What is the best way to make internet marketing effective?

What is a double opt in process?

Purpose of having a special landing page for a PPC ad?

Why is it important to fine tune the timing of the ad and keywords used?

What is an auto-responder?

Why have social networking sites become a popular method of internet marketing?

Which option is the best way for reaching the end-users who have opted in but the digital marketer lacks the proof of their consent?

Which is the fake SMTP server for testing and viewing emails that can also be used for analyzing emails by SPAM and blacklists?

Which options is the f‌irst stage of the marketing funnel?

Which might find it most advisable to have some or all of their website’s content translated into languages other than English?

In general, the 'amateur' / 'DIY' website is to be avoided - but for which of the following might a website developed by an amateur be sufficient for their online objectives?