Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

aut.ac.ir

دانشگاه صنعتی امیرکبیر

Page Load Speed

24.9 sec in total

First Response

640 ms

Resources Loaded

23.2 sec

Page Rendered

1.1 sec

aut.ac.ir screenshot

About Website

Visit aut.ac.ir now to see the best up-to-date Aut content for Iran and also check out these interesting facts you probably never knew about aut.ac.ir

Amirkabir University of Technology دانشگاه صنعتی امیرکبیر

Visit aut.ac.ir

Key Findings

We analyzed Aut.ac.ir page load time and found that the first response time was 640 ms and then it took 24.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

aut.ac.ir performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.161

73/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

aut.ac.ir

640 ms

aut.ac.ir

1173 ms

jqu.min.js

530 ms

jquery.marquee.min.js

509 ms

shared.css

682 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 99% of them (148 requests) were addressed to the original Aut.ac.ir, 1% (1 request) were made to Trustseal.enamad.ir. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Trustseal.enamad.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 616.2 kB (9%)

Content Size

6.7 MB

After Optimization

6.1 MB

In fact, the total size of Aut.ac.ir main page is 6.7 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. 70% of websites need less resources to load. Images take 6.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 101.4 kB

  • Original 121.5 kB
  • After minification 116.6 kB
  • After compression 20.1 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 101.4 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 377.0 kB

  • Original 6.3 MB
  • After minification 6.0 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. Aut images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 110.7 kB

  • Original 170.8 kB
  • After minification 145.3 kB
  • After compression 60.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 110.7 kB or 65% of the original size.

CSS Optimization

-42%

Potential reduce by 27.1 kB

  • Original 64.7 kB
  • After minification 64.7 kB
  • After compression 37.6 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. Aut.ac.ir needs all CSS files to be minified and compressed as it can save up to 27.1 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (18%)

Requests Now

140

After Optimization

115

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aut. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

aut.ac.ir accessibility score

59

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

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.

Impact

Issue

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

aut.ac.ir best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

aut.ac.ir SEO score

88

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FA

  • Language Claimed

    FA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aut.ac.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and it matches the claimed language. Our system also found out that Aut.ac.ir 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

Open Graph description is not detected on the main page of Aut. 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: