Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

Page Load Speed

13.1 sec in total

First Response

1.9 sec

Resources Loaded

3.7 sec

Page Rendered

7.5 sec

iau-tnb.ac.ir screenshot

About Website

Click here to check amazing Iau Tnb content for Iran. Otherwise, check out these important facts you probably never knew about iau-tnb.ac.ir

Visit iau-tnb.ac.ir

Key Findings

We analyzed Iau-tnb.ac.ir page load time and found that the first response time was 1.9 sec and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

iau-tnb.ac.ir performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.466

19/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

iau-tnb.ac.ir

1908 ms

armuni3.gif

1458 ms

iau-tnb.ac.ir

1423 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Iau-tnb.ac.ir and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Iau-tnb.ac.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 877.5 kB (59%)

Content Size

1.5 MB

After Optimization

606.2 kB

In fact, the total size of Iau-tnb.ac.ir main page is 1.5 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. 20% of websites need less resources to load. Javascripts take 736.4 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 90.6 kB

  • Original 98.8 kB
  • After minification 85.3 kB
  • After compression 8.2 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 13.4 kB, which is 14% 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 90.6 kB or 92% of the original size.

Image Optimization

-22%

Potential reduce by 101.1 kB

  • Original 463.6 kB
  • After minification 362.6 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, Iau Tnb needs image optimization as it can save up to 101.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 534.7 kB

  • Original 736.4 kB
  • After minification 703.0 kB
  • After compression 201.6 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 534.7 kB or 73% of the original size.

CSS Optimization

-82%

Potential reduce by 151.1 kB

  • Original 184.9 kB
  • After minification 154.3 kB
  • After compression 33.8 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. Iau-tnb.ac.ir needs all CSS files to be minified and compressed as it can save up to 151.1 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iau Tnb. According to our analytics all requests are already optimized.

Accessibility Review

iau-tnb.ac.ir accessibility score

73

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

iau-tnb.ac.ir best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

iau-tnb.ac.ir SEO score

86

Search Engine Optimization Advices

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

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iau-tnb.ac.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and it does not match the claimed English language. Our system also found out that Iau-tnb.ac.ir main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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