Access iitd.ac.in. Home Page : IIT Delhi

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.8 s

0/100

25%

SI (Speed Index)

Value19.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,830 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value1.142

1/100

15%

TTI (Time to Interactive)

Value17.0 s

4/100

10%

iitd.ac.in

690 ms

home.iitd.ac.in

1489 ms

bootstrap.min.css

488 ms

jquery-ui.min.css

683 ms

animate.css

687 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Iitd.ac.in, 99% (135 requests) were made to Home.iitd.ac.in and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Home.iitd.ac.in.

Content Size

8.8 MB

After Optimization

8.5 MB

In fact, the total size of Iitd.ac.in main page is 8.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 7.9 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 238.1 kB

Original 264.9 kB
After minification 177.8 kB
After compression 26.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 87.1 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 238.1 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 75.4 kB

Original 7.9 MB
After minification 7.8 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. IIT D images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 9.7 kB

Original 474.0 kB
After minification 474.0 kB
After compression 464.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 23.9 kB

Original 187.0 kB
After minification 187.0 kB
After compression 163.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Iitd.ac.in needs all CSS files to be minified and compressed as it can save up to 23.9 kB or 13% of the original size.

Requests Now

130

After Optimization

The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IIT D. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iitd.ac.in can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Iitd.ac.in main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

iitd.ac.in

Open Graph description is not detected on the main page of IIT D. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Home Page : IIT Delhi

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

iitd.ac.in

home.iitd.ac.in

bootstrap.min.css

jquery-ui.min.css

animate.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

iitd.ac.in

home.iitd.ac.in

bootstrap.min.css

jquery-ui.min.css

animate.css

css-plugin-collections.css

menuzord-megamenu.css

menuzord-rounded-boxed.css

style-main.css

preloader.css

custom-bootstrap-margin-padding.css

settings.css

layers.css

navigation.css

iitd-style.css

ps-iitd-style.css

kk-iitd-style.css

ar-iitd-style.css

custom-color.css

responsive.css

jquery-2.2.4.min.js

jquery-ui.min.js

bootstrap.min.js

jquery-plugin-collection.js

jquery.themepunch.tools.min.js

jquery.themepunch.revolution.min.js

spamspan.js

printThis.js

jcarousellite_1.0.1c4.js

iitd-search.js

custom.js

announcement.js

revolution.extension.actions.min.js

revolution.extension.carousel.min.js

revolution.extension.kenburn.min.js

revolution.extension.layeranimation.min.js

revolution.extension.migration.min.js

revolution.extension.navigation.min.js

revolution.extension.parallax.min.js

revolution.extension.slideanims.min.js

revolution.extension.video.min.js

font-awesome.min.css

font-awesome-animation.min.css