Bounce rate

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Bounce rate (sometimes confused with exit rate)[1] is an Internet marketing term used in web traffic analysis. It represents the percentage of visitors who enter the site and "bounce" (leave the site) rather than continue viewing other pages within the same site.

Bounce rate is a measure of the effectiveness of a website in encouraging visitors to continue with their visit. It is expressed as a percentage and represents the proportion of visits that end on the first page of the website that the visitor sees.[2]


Purpose

Bounce rates can be used to help determine the effectiveness or performance of an entry page at generating the interest of visitors. An entry page with a low bounce rate means that the page effectively causes visitors to view more pages and continue on deeper into the web site.[3][2]

High bounce rates typically indicate that the website isn’t doing a good job of attracting the continued interest of visitors.[2] According to an Inc.com article: "As a rule of thumb, a 50 percent bounce rate is average. If you surpass 60 percent, you should be concerned. If you're in excess of 80 percent, you've got a major problem."[4]

Interpretation of the bounce rate measure should be relevant to a website's business objectives and definitions of conversion, as having a high bounce rate is not always a sign of poor performance. On sites where an objective can be met without viewing more than one page, the bounce rate would not be as meaningful for determining conversion success. In contrast, the bounce rate of an e-commerce site could be interpreted in correlation with the purchase conversion rate, providing the bounces are considered representative of visits where no purchase was made.


Construction

A bounce occurs when a web site visitor only views a single page on a website, that is, the visitor leaves a site without visiting any other pages before a specified session-timeout occurs. There is no industry standard minimum or maximum time by which a visitor must leave in order for a bounce to occur. Rather, this is determined by the session timeout of the analytics tracking software.

R_{b}={\frac {T_{v}}{T_{e}}}

where

  • Rb = Bounce rate
  • Tv = Total number of visitors viewing one page only
  • Te = Total entries to page[2]

A visitor may bounce by:

  • Clicking on a link to a page on a different web site
  • Closing an open window or tab
  • Typing a new URL
  • Clicking the "Back" button to leave the site
  • Session timeout[2]

There are two exceptions: 1) You have a one page website 2) Your offline value proposition is so compelling that people would see just one single webpage and get all the information they need and leave.

Updated more accurate measure of bounce rate is:

Bounce Rate = "Total number of visits viewing one page" divided by "Total number of visits greater than or equal to the average variable page load speed".

  • Rb = Bounce rate
  • Tv = Total number of visits viewing one page only
  • Te = Total entries to page
  • Ps = Average variable page load speed

R_{b}={\frac {T_{v}}{T_{e}}}\leq P_{s}

A commonly used session timeout value is 30 minutes.[5] In this case, if a visitor views a page, doesn't look at another page, and leaves his or her browser idle for longer than 30 minutes, they will register as a bounce. If the visitor continues to navigate after this delay, a new session will occur.

The bounce rate for a single page is the number of visitors who enter the site at a page and leave within the specified timeout period without viewing another page, divided by the total number of visitors who entered the site at that page. In contrast, the bounce rate for a web site is the number of web site visitors who visit only a single page of a web site per session divided by the total number of web site visits.


Caveats

While site-wide bounce rate can be a useful metric for sites with well-defined conversion steps requiring multiple page views, it may be of questionable value for sites where visitors are likely to find what they are looking for on the entry page. This type of behavior is common on web portals and referential content sites.[6] For example, a visitor looking for the definition of a particular word may enter an online dictionary site on that word's definition page. Similarly, a visitor who wants to read about a specific news story may enter a news site on an article written for that story. These example entry pages could have a bounce rate above 80% (thereby increasing the site-wide average), however they may still be considered successful.


See also


References

  1. ↑ HMTWeb.com "Bounce Rate vs. Exit Rate"
  2. ↑ 2.0 2.1 2.2 2.3 2.4 Farris, Paul W.; Neil T. Bendle; Phillip E. Pfeifer; David J. Reibstein (2010). Marketing Metrics: The Definitive Guide to Measuring Marketing Performance. Upper Saddle River, New Jersey: Pearson Education, Inc. ISBN 0-13-705829-2. The Marketing Accountability Standards Board (MASB) endorses the definitions, purposes, and constructs of classes of measures that appear in Marketing Metrics as part of its ongoing Common Language: Marketing Activities and Metrics Project.
  3. ↑ Google AdWords Learning Center - Improving Your Content and Site
  4. ↑ How to Reduce Your Website’s Bounce Rate
  5. ↑ Cooley, R.; B. Mobasher, J. Srivastava (1999). "Data Preparation for Mining World Wide Web Browsing Patterns" (– Scholar search). Journal of Knowledge and Information System 1 (1): 5–32. Retrieved 2008-08-25. 
  6. ↑ Search Intent: Understanding Bounce Rates of Web Portals and Referential Content Sites by Scott Offord


External links


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