Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nri.ac.ir

پژوهشگاه نیرو

Page Load Speed

37 sec in total

First Response

4.8 sec

Resources Loaded

31.9 sec

Page Rendered

315 ms

nri.ac.ir screenshot

About Website

Click here to check amazing Nri content for Iran. Otherwise, check out these important facts you probably never knew about nri.ac.ir

پژوهشگاه نیرو دارای حوزه های پژوهشی و مراکز توسعه فناوری می باشد.

Visit nri.ac.ir

Key Findings

We analyzed Nri.ac.ir page load time and found that the first response time was 4.8 sec and then it took 32.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

nri.ac.ir performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value1.199

1/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

nri.ac.ir

4796 ms

comon.css

2778 ms

tinybox.js

985 ms

font.css

673 ms

overlay-minimal.css

672 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 94% of them (67 requests) were addressed to the original Nri.ac.ir, 3% (2 requests) were made to Service.persianstat.com and 1% (1 request) were made to Persianstat.com. The less responsive or slowest element that took the longest time to load (16.6 sec) belongs to the original domain Nri.ac.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 280.2 kB (31%)

Content Size

893.8 kB

After Optimization

613.6 kB

In fact, the total size of Nri.ac.ir main page is 893.8 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. 25% of websites need less resources to load. Images take 549.5 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 43.3 kB

  • Original 64.8 kB
  • After minification 47.5 kB
  • After compression 21.5 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 17.3 kB, which is 27% 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 43.3 kB or 67% of the original size.

Image Optimization

-4%

Potential reduce by 20.7 kB

  • Original 549.5 kB
  • After minification 528.9 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. Nri images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 105.3 kB

  • Original 158.2 kB
  • After minification 151.4 kB
  • After compression 53.0 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 105.3 kB or 67% of the original size.

CSS Optimization

-92%

Potential reduce by 111.0 kB

  • Original 121.2 kB
  • After minification 86.9 kB
  • After compression 10.3 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. Nri.ac.ir needs all CSS files to be minified and compressed as it can save up to 111.0 kB or 92% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (23%)

Requests Now

66

After Optimization

51

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nri.ac.ir accessibility score

96

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.

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

Links do not have a discernible name

Best Practices

nri.ac.ir best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nri.ac.ir SEO score

83

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nri.ac.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nri.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 Nri. 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: