SEO

CSS & JavaScript File Optimization:

1. Always use external CSS and JavaScript Files.
2. No use internal or Inline CSS.
3. No use Internal JavaScript.
4. If you have more than one CSS and JavaScript file either your webpage or jquery then merge all file in one file. In sort minimize your CSS and JavaScript File in one file.
5.  The CSS and JavaScript file should cover the low memory as possible.

Web Speed Optimization: (TIPS)

1.  If users open your customer website either on mobile or desktop then it’s take less amount of time therefore search engine and user cannot waste their time to open your customer website.
2.  You can increase your customer website response time to minify the CSS and JavaScript file.
3. Avoid Plugin
4. There must be no or very less use of flash or frames in the site.
5. Your website should not use nested tables.
6. Never use inline styles.
7. Your website should taken advantage of gzip.

Text/code Ratio:

Text-to-Code ratio is the percentage of a web page that is actual text content. It is believed that Search Engines like that websites which have a high text to code ratio, which would help your SEO. There is no official definition of what a Text-to-Code ratio is. Text-to-Code ratio should lie between 15 to 50 percentages.

Linking:

Linking is divided in three types for SEO Expert. In below table we can see the limit of various linking but in the case of “Internal Link & External Link” different search engine have different criteria so that you should take a limit based on your requirements but you must know about “Broken Link” i.e. your website must not have any “Broken Link”.

1. External linking must always open in a new tab.
2. The site must not have any broken links.

W3 School Validation:

W3 Schools provide validator for check your HTML, XHTML or CSS documents, the validator returns a list of errors found, according to your chosen standard. A validator is a software program that can check your web pages against the web standards. Make sure you make it a habit to validate all your web pages before publishing. But it is not follow by all Search Engines, it is use for help to check your website according to w3 standards.

Useful Link: http://validator.w3.org/

Optimization of non-index able attribute:

Optimize non-index able attribute like frames for speedup to load a webpage of your website. There must be no or very less use of flash or frames in the site.