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CSS Factors

Following are the rules and best practices to follow while implementing CSS in Any Websites

Use of Preload/Preconnect/Prefetch

When we use preload or prefetch in the link tag it uses early fetch request to get the content.This will imply that these resources are fetched ...

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Restrict
Use of @import

Using import function in the css will dramatically affect the page load time as it is not in asycn function.Javascript is synchronous and ...

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Restrict
Use of !important

Cascading style sheets are intended to, well, cascade. !important declarations overides the cascading nature of CSS and are frequently ...

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Restrict Use of
CSS Expressions

CSS Expressions are usally depreceated and are used in old browsers.IE for past versions have supported CSS expressions.What exactly is ...

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Restrict OverUse of
Style tags in Body

Basically ,the <style> tag element in the CSS is used in CSS to add the style rules to an HTML DOM.This element generally used is ...

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Restrict Stylesheets
Links in Body

The objective of this technique is to supplement the link text by adding additional text that describes the technique function of the ...

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Limit External
Stylesheets

External style sheets are created in separate documents with a .css extension. An external style sheet is simply a listing of CSS rules ...

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Avoid Duplicate
StyleSheets

Duplicate JavaScript and CSS files are used mostly due to the lack of awareness and in the case of fast deadlines to meet. Duplicate ...

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Minified CSS

Minification is the process that is performed by evaluating,analyzing and rewriting the content of a webpage to reduce its overall size. It is ...

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Avoid Use of Etag Header

E-Tag is a cache headers which servers uses to control how the clients should cache out their content.E-Tags are an alternative to "Last-Modified-Time" for to determining cache validation.

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Avoid Use of Box-Shadow

Adding box shadows is a nice method to conclude the depth and focus to our style. You have probably seen this trick before:That trick adds a nice box-shadow to any of the selector.

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Avoid Type="Text/CSS" Attribute

This attribute is use to recognise the content between the tags.HTML5 specification has clearly defined and made the attribute free and optional .

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Use Woff2 Fonts Instead of Woff

We should consider replacing the base Woff fonts with Woff2 fonts whenever possible.This would save many kilobytes of size and indirectly speed up the loading page time

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Use DNS-Prefetch Attribute

DNS prefetching is the process that makes the general browser to perform the DNS lookups on the page in the background when the user is surfing or browsing.

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Limit the Size of Fonts

A font is a accumulation of glyphs, out of each is a combine set of path explaining describing the letter form.

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Unused CSS Selectors

The unsed selectors or entries in the CSS files increase the page load time at the browser end.

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JS Factors

Check the Do's and Dont's for optimized JavaScript implementation in Any Websites

DOM Elements Status

The DOM stands for the Document Object Model for the HTML and the XML documents is an Application Programming Interface ...

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Make Ajax Response Cachable

AJAX is defined as Asynchronous JavaScript and the XML. It is used to fetch dynamic data from backend server with out reloading the ...

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Restrict Use of document.write

The document.write() method basically writes a string of text to a DOM stream which is then further opened by document.open().So ...

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Restrict Use of Bad Plugins

A plugin also called as extension or add-on is a software element that adds a particular feature to the existing program. One can do ...

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Restrict Use of Duplicate JS

Duplicate JS files are used mostly due to the lack of awareness and in the case of fast deadlines to meet. Duplicate scripts hurt the speed and ...

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Use of Defer Parsing

Defer Parsing means the loading or parsing of that javascript that only begins after the page content has completely loaded ...

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Avoid POST for Ajax Calls

Ajax is now-a-days go-to weapon for loading dynamic data from the backend. Sometimes we failed to use ajax methods properly and ends ...

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Restrict JS Src Above Body

When a browsers loads a webpage and the JS sources comes in the way, the parser gets blocked and stop parsing the rest of the html and resources on the page.

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Minified JS

Minification is the process that is performed by evaluating,analyzing and rewriting the content of a webpage to reduce its overall size. It ...

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Avoid E-Tag Headers

E-Tag is a cache headers which servers uses to control how the clients should cache out their content.

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Avoid Type="Text/Javascript" Attribute

This attribute is use to recognise the content between the tags.HTML5 specification has clearly defined and made the attribute free and optional

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Images Factors

Following are the methods to follow while implementing Image Optimization in any Website

Avoid Broken Images

Some image source files have the broken image links,and these links are found when the URL is wrong. A Broken image created a ...

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Thumbnails and Images Count

Too many images generally kills the webpage with each image taking extra requests to process by the browser. While browser handles ...

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Image Optimized

Images optimization is a major issue that threatens the webpage latency rate and full page loading.

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Image Resizing at Browser End

Image Resizing by the browser means that the browser behind the scenes in general loaded the same image and then it reprocessed it to ...

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Total Image Size

A webpage with well-optimized images images will respond quicker than a page with one large image file.So the overall size of the images ...

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Use Image Sprites

CSS Sprites is a way of combining several images into a one image file images into a one image file. The process of sprites is fetching ...

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Avoid Etag Headers

Enitity tags are a way to determine weather component in the browsers's cache is matched against that of the backend server.

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Favicon Images

A favicon is an image small icon file which is related with the website.

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Server and HTML Factors

Following is a list of methods to follow for Server Side and DOM Optimization

Time to first byte

Time to first byte is a analysis which is the marker of the receptiveness of a webserver or the other network resource.TTFB measures the time ...

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Avoiding Character Set With Meta-Tag

Character set is defined as the group of characters each of the character defined by a number. Using character set in the meta-tags ...

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Redirection Count

Url Redirecting makes a web-page to load slower because requests conversion takes a lot of time from one url to other.Many websites suffers a ...

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Cookie Status

Cookies are defined as small chunks of information which is sent from a web sever and located on the browser end.Cookies help ...

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Avoid E-Tag Status

Enitity tags are a way to determine wheater component in the browsers's cache is matched against that of the backend server. That ...

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IP-6 Enabled

When talking about the network protocols IPv6 is far better in terms of speed and stability than the IPv4, Big Giants like Facebook and ...

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Total Page Requests

Every time when we visit a webpage on the web, the web browser pings the server which is hosting hosts that webpage .It requests ...

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Page Size

The first web page was live way back in August 6, 1991. With years of fast tech development and user-interface becoming prominent, the actual ...

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DNS LookUp

DNS is defined as Domain Name System schema which keeps reference to which domain name maps to which Internet Protocol(IP).Precisely, ...

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Page Load Time

Page Load Time is a performance criteria that tells how much time it takes for a webpage to fully render.

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Render Blocking Sources

Render-blocking resources are the factors that takes the maximum time delaying the page load time.So, removing these extra nauicance should be removed at the very first.

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Use GZIP Compression

GZIP is used for file compression and decompression. It is generally enabled server-side, and it allows the HTML reduction in size.

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Connection Keep Alive

Keep alive is a way to allow the same TCP connection persists for HTTP conversations instead of opening a new connection with each new request

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Vary Header

The Vary header tells the server HTTP cache that which of parts of the headers other than the path and the Host header, to take into account when trying to find the right object.

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