Access atu.ac.ir. دانشگاه علامه طباطبائی

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value26.6 s

0/100

25%

SI (Speed Index)

Value27.3 s

0/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.282

43/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

atu.ac.ir

1666 ms

fa

484 ms

bootstrap.min.css

426 ms

styles.css

1195 ms

owl.carousel.min.css

599 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 95% of them (100 requests) were addressed to the original Atu.ac.ir, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Atu.ac.ir.

Content Size

6.6 MB

After Optimization

5.9 MB

In fact, the total size of Atu.ac.ir main page is 6.6 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. 55% of websites need less resources to load. Images take 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 189.8 kB

Original 209.3 kB
After minification 145.4 kB
After compression 19.5 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 63.9 kB, which is 31% 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 189.8 kB or 91% of the original size.

Image Optimization

-7%

Potential reduce by 456.6 kB

Original 6.2 MB
After minification 5.8 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. Atu images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

Original 52.9 kB
After minification 52.9 kB
After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-36%

Potential reduce by 59.1 kB

Original 163.4 kB
After minification 163.4 kB
After compression 104.3 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. Atu.ac.ir needs all CSS files to be minified and compressed as it can save up to 59.1 kB or 36% of the original size.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Atu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.