Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

courses.iust.ac.ir

سايت دروس دانشکده مهندسی کامپيوتر دانشگاه علم و صنعت ایران

Page Load Speed

18.8 sec in total

First Response

4.1 sec

Resources Loaded

14.3 sec

Page Rendered

361 ms

courses.iust.ac.ir screenshot

About Website

Welcome to courses.iust.ac.ir homepage info - get ready to check Courses Iust best content for Iran right away, or after learning these important things about courses.iust.ac.ir

Visit courses.iust.ac.ir

Key Findings

We analyzed Courses.iust.ac.ir page load time and found that the first response time was 4.1 sec and then it took 14.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster. This domain responded with an error, which can significantly jeopardize Courses.iust.ac.ir rating and web reputation

Performance Metrics

courses.iust.ac.ir performance score

0

Network Requests Diagram

courses.iust.ac.ir

4128 ms

yui_combo.php

1121 ms

yui_combo.php

1041 ms

yui_combo.php

5819 ms

all

4602 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Courses.iust.ac.ir and no external sources were called. The less responsive or slowest element that took the longest time to load (7.4 sec) belongs to the original domain Courses.iust.ac.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 370.7 kB (52%)

Content Size

714.1 kB

After Optimization

343.3 kB

In fact, the total size of Courses.iust.ac.ir main page is 714.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Javascripts take 327.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 102.0 kB

  • Original 114.9 kB
  • After minification 114.0 kB
  • After compression 12.9 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 102.0 kB or 89% of the original size.

Image Optimization

-11%

Potential reduce by 28.8 kB

  • Original 257.5 kB
  • After minification 228.6 kB

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. Obviously, Courses Iust needs image optimization as it can save up to 28.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 229.2 kB

  • Original 327.6 kB
  • After minification 320.0 kB
  • After compression 98.4 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 229.2 kB or 70% of the original size.

CSS Optimization

-76%

Potential reduce by 10.6 kB

  • Original 14.1 kB
  • After minification 12.6 kB
  • After compression 3.4 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. Courses.iust.ac.ir needs all CSS files to be minified and compressed as it can save up to 10.6 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (75%)

Requests Now

32

After Optimization

8

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Courses Iust. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

SEO Factors

courses.iust.ac.ir SEO score

0

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 Courses.iust.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 Courses.iust.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 Courses Iust. 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: