Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

theisn.org

International Society of Nephrology

Page Load Speed

5.1 sec in total

First Response

829 ms

Resources Loaded

3.8 sec

Page Rendered

440 ms

theisn.org screenshot

About Website

Welcome to theisn.org homepage info - get ready to check Theisn best content for Nigeria right away, or after learning these important things about theisn.org

The International Society of Nephrology is a global professional association dedicated to advancing worldwide kidney health. Advancing Kidney Health Worldwide, Together.

Visit theisn.org

Key Findings

We analyzed Theisn.org page load time and found that the first response time was 829 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

theisn.org performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value3,660 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.401

25/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

theisn.org

829 ms

www.theisn.org

1283 ms

ad0cf992d4e40ec9b3fca399140ee260.css

170 ms

css

33 ms

06f3b10ff01d55c0a15ef2983eff859c.js

273 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 71% of them (64 requests) were addressed to the original Theisn.org, 10% (9 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Theisn.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 333.1 kB (6%)

Content Size

6.0 MB

After Optimization

5.7 MB

In fact, the total size of Theisn.org main page is 6.0 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. 70% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 124.0 kB

  • Original 142.4 kB
  • After minification 87.7 kB
  • After compression 18.4 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 54.8 kB, which is 38% 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 124.0 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 185.2 kB

  • Original 5.6 MB
  • After minification 5.4 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. Theisn images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 804 B

  • Original 246.4 kB
  • After minification 246.4 kB
  • After compression 245.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-69%

Potential reduce by 23.1 kB

  • Original 33.3 kB
  • After minification 33.1 kB
  • After compression 10.2 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. Theisn.org needs all CSS files to be minified and compressed as it can save up to 23.1 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (36%)

Requests Now

78

After Optimization

50

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theisn. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

theisn.org accessibility score

70

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

theisn.org best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

theisn.org SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Theisn.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Theisn.org 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 Theisn. 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: