Use these guys, they are really good at reporting spam IPs. For example: https://whatismyipaddress.com/ip/92.38.148.53 Also you can eliminate 80% of spam by not allowing URLs (common sense!).
Hi comments are good as long as their not spam. I would suggest you don't allow them appearing automatically, accept the ones you think are genuine and keep deleting the spammy ones - they are pretty obvious. So as a rule of thumb personally would not automatically allow. All the best Harvey.
I moderate comments. Thinking of the time I spent on filtrating all spam and measure it with SEO effect... dunno, I decided to let it be.
You should allow comments as long it is not spam. Spam is never good, unique content ALWAYS is. Just a rule of thumb.
It also depends on the size of your website, if it's really a big site you don't have the time to go into each and every comment, then a spam filter yes, that's not to say all spam is bad, but it will definitely help. Also as a rule of thumb it is good practice to reply especially when someone has taken the time to give you a good comment relevant to the content at hand.
I feel that the task of spam moderation should not be a stop-order for implementation of commenting on any site. Spam pervades in any medium. Its part of management.
"u·nique /yo͞oˈnēk/ Learn to pronounce adjective being the only one of its kind; unlike anything else. "original and unique designs"" "Spam is digital junk mail: unsolicited communications sent in bulk over the internet or through any electronic messaging system." In your post you suggest that spam content can't be unlike any relevant content. If I create a spam marketing message it will be like any other - until you copy and publish it. The message I create is unique. Your copied message is not unique. Both are spam.
Yes, I do allow them, as I think they are good for credibility and for general UX. But, I check them manually before I let them be published live on the site, as I have to make sure that it's not some kind of spam or something insulting that doesn't have the reference on anything. This requires some extra effort and time, but it's worth it. If your site is too large, then there are also some paid tools that can filter comments.
I agree. I think that is worth it. It helps make your site dynamic too - not just being static pages...
Yes, some blogs may receive a slight boost in search traffic due to the comments section. But you'll need a good amount of high-quality, keyword-rich comments. Since blog comments don't have a huge effect on your traffic, they don't have a huge effect on your revenue either. Its also good technique to approve only real comments.