What is PDF and how to open it. Brief information
All novice computer users sooner or later come to the question of how to open PDF. Why? First of all, because in the Windows operating system there are no built-in…

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Firefox Internet Explorer Opera Who is the champion among browsers?
Meeting a snowdrop in February is as difficult as finding a computer that does not have a browser installed. A browser is a window on the Internet. From this program…

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NTLDR is missing - system recovery
I’ll tell you that I know about a common error in Windows NTLDR is missing operating systems and about system recovery when it occurs. NTLDR is a bootloader (boot file)…

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the effectiveness

What is a CTR page? and how does it affect earnings?

Well, for starters, let’s answer the question “What is CTR?” Ctr is an indicator of clickthrough rate, the ratio of the number of clicks to the number of impressions. The more – the more effective advertising and, as a result, greater earnings.

The CTR rating is one of the most well-known tools for evaluating the effectiveness of a banner, although its widespread use seems to me not quite adequate to the tasks posed to advertising campaigns.

Obviously, a simple calculation of “the number of impressions per page divided by the number of clicks from the page” gives a figure that speaks more of the average CTR of the banners displayed on this page, and not Continue reading

Buying in the online store from and to
In recent years, the popularity of online stores in  has grown. It is understandable, because buying something in an online store is very convenient. You can find and choose exactly…

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What topic to choose for a blog? Just not about the blog!
I wonder how many sites on Runet sites and blogs about blogs? Of course, no one specifically calculated them, but - a lot! There are very famous among them, there…

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White and gray IP addresses, what is it?
A brief reference guide on external and local (white / gray) IP addresses - why they are called that way and where they come from. This article may be useful…

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Information products: how not to buy garbage?
Some time ago I had a chance to read a very interesting book: Alexander Gogun - Adolf Hitler's Black PR. Documents and materials. Yauza, 2004. I read it, as the…

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