Click-Through Rate Calculation
Click-through rate is a measure of the impact of an advertisement on its target audience. Therefore, How to calculate the click-through rate is a question that looms in the mind of each beginner. There is an existing click-through rate formula that can be used for the calculation. For the calculation, divide the number of clicks on the advertisements by the total number of people who saw the advertisement multiplied by 100. The result is generally a percentage. For example, if the advertisement is seen by 200 people and the URL is clicked on by 20 people, the click-through rate is calculated to be 10%.
The click-through rate formula being, (20/200)x 100, in this case. This will provide one with an accurate and real-time scenario of the ad’s impact on the audience. The advertisements can be henceforth judged in terms of cost-effectiveness and strategies altered or remain unchanged accordingly. A good click-through rate is a fallout of an effective advertising campaign.
Click-Through Rate Calculation and Analysis for Google
Google ads are one of the most common and widely used advertising media in the digital world. Google click-through rate can therefore help determine the effectiveness of one’s Google ad and help one find new customers for the business. The average click-through 
rate for AdWords (now Google ads) 1.91% for search networks and a meager 0.35% for display networks. However, the average click-through rate cannot be considered as a standard of the best that can be achieved from Google ads. 4-5% on search and 0.5-1% on display network can be considered what is a good click-through rate for AdWords. To optimize and get the most number of clicks on an advertisement, one should be creating interesting and catchy ads. The target audience is also into consideration when designing the content of an ad for the digital space.
What is a good click-through rate for email?
Benchmark metrics that determine the competency of online ads depend on factors like industry and sector to which an ad belongs. The average click-through rate of an ad from each industry is very different. The email open rate on average is 15-25%. An ad containing mail open rate is 20-30% on average. The average Click through rate in an 
email is generally 2.5%. Any click-through rate above 2.5% is good for emails. For example, the click-through rate in the food industry is much higher than in the automotive industry because of the general interest of the people. Click rate is another metric that is taken into account and often confused with the click-through rate. But they measure slightly different statistics from each other.
Average Click-through Rate for Banner Ads
Banner ads are one of the most primitive forms of online advertisements. It is the ads that arise on the top and side of any webpage. Banner ads are like virtual billboards but in a 
flashy way. They are primarily designed to grab the attention of the viewers or visitors of the page. Therefore the design of a banner ad is more important than the content to increase the click-through rate average. The average click-through rate for banner ads is declining over time. The average click-through rate for banner ads has become as low as 0.25% currently. However, it is said that a CTR click-through rate of 2% or above is commendable for banner ads on web pages given the current situation. The how-to click-through rate is calculated in banner ads remains the same as usual.
What is a good click-through rate for Facebook ads?
Click-through rates on Facebook ads are generally seen to be very low. It is so because people visit Facebook for socializing and other informal activities. People generally don’t visit Facebook for commercial activities or serious monetary exchanges. The average 
click-through rates on Facebook are therefore lower than Google ads. People generally look into Google when searching for anything specific rather than on social media. Any click-through rate above 0.05-0.1% on Facebook is considered above average. However, employees of Facebook have claimed that click-through rates below 0.02% in Facebook ads should be considered poor performing.
What is a good click-through rate for YouTube?
YouTube click-through rates can be highly confusing if not understood well. It can also be detrimental to a channel if the analysis of click-through rates is improper. What would one prefer? A click-through rate of 6% with 300 viewers or 2.6% with 28000 viewers? 
YouTube analytics say that the average click-through rate of YouTube ads is 2-10%. Click-through rates on YouTube highly depend on the created thumbnail and what impression it creates on the viewers. When the channel is at the nascent stage, there are a smaller number of viewers and a smaller number of generated content. In this case, the click-through rate can boost to even 30%. If a video gets a higher click-through rate on YouTube, it automatically gains promotion to the home page of viewers and ‘watch next’ videos.
Therefore, YouTube has an organic system of promotion depending on the home analysis of the click-through rate of a video. But when organic videos have lower click-through rates than the videos which have been directed from other sources like pages or channels. It is also important that you choose the thumbnails of a video wisely from the options rendered by YouTube. It is inferred that CTR on YouTube is mostly an impression click-through rate.
Conclusion
It is well defined that the click-through rate for any particular platform does not tally with any other digital platform. The simple reason for the same being that the operating elements and target audience of each platform are different from each other. The industry average click-through rate also varies from one industry to another. For example, the average click-through rate of a food chain ad is way more than that of an automotive 
ad. This is for the simple reason that the two belong to two separate industries. The target audience for both come from different age groups, socioeconomic categories, and have different tastes. Therefore the designing and content development has to be done accordingly.
A few factors affecting the click-through rate are campaign, goal, industry, keyword optimization, etc. These factors kept in mind can help optimize and earn a good click-through rate. The click-through rate remains an important metric and measuring parameter for digital advertisements. And digital market experts are knowledgeable people and know the hacks of optimizing the click-through rates on various digital platforms.
