Best proxy service?

What proxy services are best for SEO, web scraping and software testing? I need unlimited proxies.
What services did you use? What did you like and what did not?

 

I have found different options, cheap and expensive. What's the difference between them?

 

Please note such services don't limit the speed and amount of traffic.
I remember a situation when my proxies were just banned when I used it commercially.
You can check https://fineproxy.de/ website, it is one of the most famous. I bought a lot of proxies here. At any time, these proxies are running at maximum speed. If you buy, then it is better to have high-quality proxies.

 

I noticed Fineproxy even has large proxy packages. How to control such proxies, what does the list of such proxies look like?

 

You get all proxies at once in a text file. There is IPs and ports.

 

I have used numerous proxies services. The following are some of the best proxies services:

• Sneaker Proxies
• Residential Proxies
• Instant Proxies
• Smartproxy