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Well isn't big deal at all. You need to: investigate error 500. Usual this is part of "door knocking". You should see who and what is going to do just for error 500. Watchout for /wp-content where themes and plugins are. Also /wp-admin and /wp-include where WP core is. investigate 404 errors. This is part 2 of "door knocking". Often happens when vulnerability doesn't exist. Like timthumb or revSlider - someone still knocking on few days. (this was vulnerability that leave more than 100k sites with PHP execution) investigate strange redirects - 301, 302. IF site is working perfect you shouldn't see any redirects. But if you're WWW and someone link w/o WWW you can see redirect. Also WP comes with internal redirector for broken urls, can be typo mistakes. But more interesting are vulnerability so any strange activity can be easy seen. investigate strange traffic - can be POST or GET to /wp-content/plugins or /wp-content/themes PHP code. In perfect world only WP can call them. Or using WP-AJAX. Direct calling to code isn't recommended anymore. investigate bot traffic - like 2000 requests for 30 mins to wp-login.php This is one example - you can easy see them because one IP can do lot of requests. you need to check file structure - new/changed files can be warning that something was happened. I like GIT/Mercurial or SVN because they can check quick folders for changes. Bad news - you need SSH access and some dev skills. If you don't have SSH then you can download whole site and compare it with original copy. I can recommend WinMerge (free and open source) tool for comparing files/folders in Windows. If you're on Mac just as me you can use FileDiff (free) or Kaleidoskope (paid tool, trial available). There is also paid multi platform tools as Beyond Compare, Araxis Merge, Delta Walker and few more. you need to make HTTP password to sensitive portions of WP. Also you must do some hardening of WordPress installation. This is covered in Codex here. For example try to login on mine site: http://www.mobiliodevelopment.com/wp-admin/ Good luck! you can implement additional security in .htaccess like 5G firewall here. Or you can implement WAF (web application framework) like modsecurity. I think that i cover most of mine daily routine inspections. Look scary but when you get experience will took less than 5 minutes per site.

The keywords meta tag doesn't really do anything, so there's no need to even use it. The description tag isn't used as a ranking factor anymore, so you should use that space to craft a message that will entice users to click through from the search result. You may still want to use the target keyword of the post in the description, to reinforce to users that the post is about what they're looking for. If you're using an SEO WordPress plugin that has you enter a specific keyword for the page so it can tell you how well the page is optimized for that term, the best way to figure out what keywords to target for each blog post is to do some research around what that post is about. You can also do it the other way - do some keyword research to find topics that users might be interested in that you'd like to create some blog posts about.

Thank you, I knew about the paid and organic likes I just didn't know where the netlikes fell in and how it was calculated to which you nicely showed me in private

You can install something like https://wordpress.org/plugins/better-wp-security/ There are settings to auto-block people after a certain amount of incorrect logins (or blacklist). I also recommend changing some Wordpress defaults (like the login/register page) which will help prevent lots of bots.

Thanks for the updated information! I'm not aware of anything that can be used to evaluate text ads in the way you described. From your update it sounds more like you are referring to a tool that can be used to 'grade' display network image ads, is that right? Unfortunately I'm also not aware of an effective tool that does this for image ads! The closest thing that comes to mind are tools used to evaluate the effectiveness of your landing pages. There are a lot of tools that do this, here is one from a quick search for ways to evaluate landing pages, https://vwo.com/landing-page-analyzer/. Another tool to be aware of will show clicks on your landing page as a heat map which is somewhat similar to showing where the eyes would go, https://www.crazyegg.com. Please do post an update if we are still just completely misunderstanding the question! Also, if you happen find the tool you were referring to please do share it as I am very interested to try it out!

Unfortunately, the short answer is that we rarely know ahead of time. When I first envisioned MozCast, my hope was that we had a chance (even if a slim chance) of predicting updates, but there's a simple and obvious reality I overlooked. Google isn't a system of natural laws, spinning on its merry way. Google is being reprogrammed daily, and past updates are no indication of future patterns. We can look to their intent and goals, and make educated guesses, but none of us can say that on October 14, 2015, there will be Update X. On rare occasion, like the Mobile-friendly Update, Google will make an announcement. Usually, you can find those on the Google Webmaster Central blog: http://googlewebmastercentral.blogspot.com/ In other cases, a member of the Search Quality team may drop a hint on social media. With 600+ changes per year, though, those pre-announcements are the rare exception.