TechPerish

A child theme is a set of styling rules and/or functions that are used to add functionality or change the look of an existing WordPress theme. Child themes can be modified without altering the original code of your theme, allowing you to make changes as small as changing a couple of colors, or as extensive as completely changing the look and feel of your theme. Many WordPress framework themes, like Genesis, work by using the child theme feature in WordPress. The basic functionality of the theme is contained within the parent theme and child themes can then be used as a way of applying different “skins” to the theme. Why Use A Child Theme Here are a few reasons i have got to let you use child themes : If you modify an existing theme and it is updated, your changes will be lost. With a child theme, you can update the parent theme (which might be important for security or functionality of original theme) and still keep your changes. It can speed up development time (and give you ...

In terms of SEO you must let search engines index only quality pages of your blog/website. There may be many tag and category pages in your blog and by default they will all be indexed in search engines. Why should you NoIndex Categories and Tags ? 1.Avoid Post duplications. 2.Only Post Pages and Quality pages will  be indexed. Let's Start The Tutorial 1. sign-in to our wordpress blog . 2. open your 'robots.txt' file. 3. add theses lines to your robots.txt files / User-agent: * Disallow: /category/ Disallow: /tag/ That's it now your tag and category pages will not be indexed in search engines. Warning : You may not see the changes immediately in search engines it may take 2 -4 days.