Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

iard-relativity.org

IARD Home Page

Page Load Speed

757 ms in total

First Response

121 ms

Resources Loaded

478 ms

Page Rendered

158 ms

iard-relativity.org screenshot

About Website

Click here to check amazing IARD Relativity content. Otherwise, check out these important facts you probably never knew about iard-relativity.org

Index page for The International Association for Relativistic Dynamics (IARD)

Visit iard-relativity.org

Key Findings

We analyzed Iard-relativity.org page load time and found that the first response time was 121 ms and then it took 636 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

iard-relativity.org performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

iard-relativity.org

121 ms

style.css

57 ms

title.jpg

155 ms

h0000000.gif

114 ms

iard2024_poster_140px.jpg

161 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Iard-relativity.org and no external sources were called. The less responsive or slowest element that took the longest time to load (358 ms) belongs to the original domain Iard-relativity.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.4 kB (6%)

Content Size

404.2 kB

After Optimization

378.8 kB

In fact, the total size of Iard-relativity.org main page is 404.2 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. Images take 386.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 14.3 kB

  • Original 17.5 kB
  • After minification 12.6 kB
  • After compression 3.3 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 5.0 kB, which is 28% 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 14.3 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 11.0 kB

  • Original 386.2 kB
  • After minification 375.1 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. IARD Relativity images are well optimized though.

CSS Optimization

-13%

Potential reduce by 61 B

  • Original 459 B
  • After minification 459 B
  • After compression 398 B

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. Iard-relativity.org needs all CSS files to be minified and compressed as it can save up to 61 B or 13% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IARD Relativity. According to our analytics all requests are already optimized.

Accessibility Review

iard-relativity.org accessibility score

85

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.

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

Best Practices

iard-relativity.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

iard-relativity.org SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iard-relativity.org can be misinterpreted by Google and other search engines. Our service has detected that English 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 Iard-relativity.org main page’s claimed encoding is iso-8859-1. 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 IARD Relativity. 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: