The term bug has roots in american slang - bag, which means a defect or deficiency in the equipment. In SEO and web development is a defect in the site or some sort of algorithm.
Examples of the use of bug in the communication:
- Found a dozen of bugs on the website. Means that someone found a critical failure that must be rectified immediately.
- In Yandex big bug in the results when you type tags into the search form. This means that the search algorithm of Yandex had a bad reaction to the user's query and gave unexpected results.
- BuggyContent Management System. Means that the CMS is to create a website (blog, forum) is full of faults and its use is not recommended.
By size, bugs are divided into three types:
- Minor bugs.
- Serious error.
- Showstoppers.
Regarding the frequency of its appearance bugs are divided into:
- permanent;
- episodic;
- those that appear only on the client machine.