I am looking for services who can build dynamic mobile sites for me. Anybody any suggestions?

What are the basic on-page optimization technical factors that one should worry about?

One of blogs have got this manual action penalty. It says that unnatural links are extended from my site. It is a simple blog of mine and I haven't selling links then why Google is applying my site this penalty. I had been writing most of posts. And they didn't have any links in them unless they are utmost necessary and also most of them are no-follow.

I have a query about Bing's Local Search. Suppose, if I search for say restaurants from a mobile device then it shows the results from my current location. But when I do the same from a desktop from the same city it shows different result. Why is that?

Google's Mobile friendly algo is totaalu out. What do you webmasters think about it? Share your thoughts.

What do you guys think? Does the value of long tail keywords have decreased due to the evolution of semantic search? Search engines are becoming more and more intelligent, now they are determining the contextual meaning of the searched phrase.

Why robots.txt code used in sitemap creation?

Direct email or interruption based marketing involves sending an email solely to communicate a promotional message (for example, an announcement of a special offer or a catalog of products). Companies usually collect a list of customer or prospect email addresses to send direct promotional messages to, or they can also rent a list of email addresses from service companies, but safe mail marketing is also used.

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I am new is field of Digital Marketing. And so I have lot of questions in mind. The query that bothers me most is that what exactly is the difference between a common writer who writes stories or newspaper articles and a content writer. I mean both are writers but what make content writers different from the general ones.