Tools & Wizards About Us
iahrworldcongress.org screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

iahrworldcongress.org

40th IAHR World Congress in Vienna, Austria, 2023

Page Load Speed

4.2 sec in total

First Response

225 ms

Resources Loaded

2.5 sec

Page Rendered

1.5 sec

iahrworldcongress.org screenshot

About Website

Welcome to iahrworldcongress.org homepage info - get ready to check IAHR World Congress best content for Malaysia right away, or after learning these important things about iahrworldcongress.org

40th IAHR World Congress: Rivers – Connecting Mountains and Coasts. Vienna, Austria, from 21 to 25 August 2023.

Visit iahrworldcongress.org

Key Findings

We analyzed Iahrworldcongress.org page load time and found that the first response time was 225 ms and then it took 4 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

iahrworldcongress.org performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

iahrworldcongress.org

225 ms

893 ms

wp-emoji-release.min.js

177 ms

style.css

280 ms

style.min.css

418 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Iahrworldcongress.org, 98% (43 requests) were made to Rivers.boku.ac.at. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Rivers.boku.ac.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.6 kB (8%)

Content Size

5.0 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iahrworldcongress.org main page is 5.0 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. 50% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 120.1 kB

  • Original 137.5 kB
  • After minification 130.6 kB
  • After compression 17.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 120.1 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 276.1 kB

  • Original 4.8 MB
  • After minification 4.5 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. IAHR World Congress images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 234 B

  • Original 85.0 kB
  • After minification 85.0 kB
  • After compression 84.7 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

-2%

Potential reduce by 1.1 kB

  • Original 55.6 kB
  • After minification 55.6 kB
  • After compression 54.5 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. Iahrworldcongress.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (24%)

Requests Now

42

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IAHR World Congress. 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.

Network Requests Diagram

iahrworldcongress.org

iahrworldcongress.org

225 ms

893 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

177 ms

style.css

style.css

280 ms

style.min.css

style.min.css

418 ms

bootstrap-icons.css

bootstrap-icons.css

313 ms

borlabs-cookie_1_en.css

borlabs-cookie_1_en.css

311 ms

jquery.min.js

jquery.min.js

433 ms

jquery-migrate.min.js

jquery-migrate.min.js

310 ms

main.bundle.js

main.bundle.js

384 ms

custom.js

custom.js

413 ms

modernizr.js

modernizr.js

414 ms

slick.min.js

slick.min.js

415 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

442 ms

viennawaterconferences2023.png

viennawaterconferences2023.png

207 ms

Boku-wien_logo.png

Boku-wien_logo.png

308 ms

iahr-logo.png

iahr-logo.png

411 ms

wlr_rund.png

wlr_rund.png

307 ms

dc_rund.png

dc_rund.png

105 ms

Bannerbilder4-1600x480.jpg

Bannerbilder4-1600x480.jpg

423 ms

DSC_7042-1600x665.jpg

DSC_7042-1600x665.jpg

513 ms

joseph-hun-wei-lee-1200x1200.jpg

joseph-hun-wei-lee-1200x1200.jpg

515 ms

Design-ohne-Titel-1-1200x1200.png

Design-ohne-Titel-1-1200x1200.png

717 ms

vienna-promotion.jpg

vienna-promotion.jpg

411 ms

play.svg

play.svg

514 ms

MDV_Logo_CMYK_red_white-1200x788.jpg

MDV_Logo_CMYK_red_white-1200x788.jpg

1026 ms

11th_banner-1.jpg

11th_banner-1.jpg

525 ms

Bannerbilder8-1600x665.jpg

Bannerbilder8-1600x665.jpg

617 ms

vienna_2.jpg

vienna_2.jpg

720 ms

Belvedere_AdobeStock_119508488-1200x788.jpeg

Belvedere_AdobeStock_119508488-1200x788.jpeg

723 ms

DonauAuen_AdobeStock_122797124-1200x788.jpeg

DonauAuen_AdobeStock_122797124-1200x788.jpeg

629 ms

BOKU-Logo-400x228.png

BOKU-Logo-400x228.png

721 ms

IAHR-Logo-400x228.png

IAHR-Logo-400x228.png

732 ms

BAW_Logo-400x228.png

BAW_Logo-400x228.png

819 ms

DHI-Logo-400x228.png

DHI-Logo-400x228.png

823 ms

MA-45-400x228.jpg

MA-45-400x228.jpg

823 ms

Porr.svg_-400x228.png

Porr.svg_-400x228.png

825 ms

prince-sultan.jpg

prince-sultan.jpg

834 ms

Verbund_klein.png

Verbund_klein.png

922 ms

BML.png

BML.png

925 ms

iahr_footerlogo.png

iahr_footerlogo.png

926 ms

logo.png

logo.png

928 ms

iahr_rund.png

iahr_rund.png

936 ms

background-countdown.jpg

background-countdown.jpg

991 ms

Accessibility Review

iahrworldcongress.org accessibility score

84

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

High

ARIA IDs are not unique

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

iahrworldcongress.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

iahrworldcongress.org SEO score

93

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

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

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 Iahrworldcongress.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 Iahrworldcongress.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

iahrworldcongress.org

Open Graph data is detected on the main page of IAHR World Congress. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: