Search engines may penalize sites they discover using black hat methods, either by reducing their rankings or eliminating their listings from their databases altogether. Such penalties can be applied either automatically by the search engines' algorithms, or by a manual site review. One example was the February 2006 Google removal of both BMW Germany and Ricoh Germany for use of deceptive practices.[53] Both companies, however, quickly apologized, fixed the offending pages, and were restored to Google's search engine results page.[54]
Organic is different. Matching keywords to user intent means you may be present in many searches. The user may find you consistently, and once they get to your site, they are more likely to stay. Organic users are still your best long-term customers. In my experience, they have lower bounce rates and more pages visited, and they are more likely to return.

SEO techniques can be classified into two broad categories: techniques that search engine companies recommend as part of good design ("white hat"), and those techniques of which search engines do not approve ("black hat"). The search engines attempt to minimize the effect of the latter, among them spamdexing. Industry commentators have classified these methods, and the practitioners who employ them, as either white hat SEO, or black hat SEO.[49] White hats tend to produce results that last a long time, whereas black hats anticipate that their sites may eventually be banned either temporarily or permanently once the search engines discover what they are doing.[50]
Provide full functionality on all devices. Mobile users expect the same functionality - such as commenting and check-out - and content on mobile as well as on all other devices that your website supports. In addition to textual content, make sure that all important images and videos are embedded and accessible on mobile devices. For search engines, provide all structured data and other metadata - such as titles, descriptions, link-elements, and other meta-tags - on all versions of the pages.
If you are using Responsive Web Design, use meta name="viewport" tag to tell the browser how to adjust the content. If you use Dynamic Serving, use the Vary HTTP header to signal your changes depending on the user-agent. If you are using separate URLs, signal the relationship between two URLs by tag with rel="canonical" and rel="alternate" elements.
Google says: “So with the mobile first indexing will index the the mobile version of the page. And on the mobile version of the page it can be that you have these kind of tabs and folders and things like that, which we will still treat as normal content on the page even. Even if it is hidden on the initial view.” Source:

Now in your reconsideration request make sure you are honest and tell Google everything that the prior agency was up too. Be sure to include all Excel information of removed links and say you are going to make an ongoing effort to remove everything negative. It is common knowledge that Google may not accept your first reconsideration request, so it may take a few times.
He started by finding an offer that resonated with and is relevant to his audience. In his case, his blog was dedicated to teaching people how to use a software called “Sublime Text.” He simply offered a license to the software for the giveaway. By doing this, not only did he increase the chances of success of his giveaway since his incentive was relevant, but he also ensured the quality of subscribers since they were actually people interested in his content. It’s easy to give people an iPad or an iPhone, but how relevant will they be to you at the end of the day?