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wcst.org screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

wcst.org

WCST - 2023 | World Congress on Sustainable Technologies

Page Load Speed

10.4 sec in total

First Response

1.9 sec

Resources Loaded

7.7 sec

Page Rendered

778 ms

wcst.org screenshot

About Website

Click here to check amazing WCST content for Costa Rica. Otherwise, check out these important facts you probably never knew about wcst.org

The World Congress on Sustainable Technologies (WCST-2023) will be held from the 13th to 15th of November, 2023.

Visit wcst.org

Key Findings

We analyzed Wcst.org page load time and found that the first response time was 1.9 sec and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

wcst.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value21.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value33.3 s

0/100

25%

SI (Speed Index)

Value29.2 s

0/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.217

57/100

15%

TTI (Time to Interactive)

Value35.0 s

0/100

10%

Network Requests Diagram

www.wcst.org

1927 ms

validationEngine.jquery.css

232 ms

style.min.css

660 ms

styles.css

304 ms

settings.css

468 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 81% of them (104 requests) were addressed to the original Wcst.org, 9% (12 requests) were made to Embed.tawk.to and 7% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Wcst.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.9 MB (37%)

Content Size

10.4 MB

After Optimization

6.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wcst.org main page is 10.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 162.3 kB

  • Original 197.2 kB
  • After minification 191.7 kB
  • After compression 34.9 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 162.3 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 307.4 kB

  • Original 5.9 MB
  • After minification 5.6 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. WCST images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 1.2 MB

  • Original 1.8 MB
  • After minification 1.8 MB
  • After compression 586.9 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 1.2 MB or 67% of the original size.

CSS Optimization

-88%

Potential reduce by 2.2 MB

  • Original 2.5 MB
  • After minification 2.5 MB
  • After compression 309.6 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. Wcst.org needs all CSS files to be minified and compressed as it can save up to 2.2 MB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 78 (68%)

Requests Now

114

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WCST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 35 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.wcst.org

www.wcst.org

1927 ms

validationEngine.jquery.css

validationEngine.jquery.css

232 ms

style.min.css

style.min.css

660 ms

styles.css

styles.css

304 ms

settings.css

settings.css

468 ms

social-icons.css

social-icons.css

331 ms

Defaults.css

Defaults.css

459 ms

sassy-social-share-public.css

sassy-social-share-public.css

346 ms

tablepress-combined.min.css

tablepress-combined.min.css

408 ms

js_composer.min.css

js_composer.min.css

1047 ms

css

css

29 ms

main.min.css

main.min.css

752 ms

icomoon-the7-font.min.css

icomoon-the7-font.min.css

558 ms

all.min.css

all.min.css

699 ms

back-compat.min.css

back-compat.min.css

610 ms

fontello.min.css

fontello.min.css

710 ms

post-type.min.css

post-type.min.css

835 ms

custom.css

custom.css

1062 ms

wc-dt-custom.css

wc-dt-custom.css

1040 ms

media.css

media.css

995 ms

mega-menu.css

mega-menu.css

858 ms

the7-elements-albums-portfolio.css

the7-elements-albums-portfolio.css

977 ms

post-type-dynamic.css

post-type-dynamic.css

980 ms

style.css

style.css

1087 ms

ultimate.min.css

ultimate.min.css

1210 ms

modal.min.css

modal.min.css

1340 ms

perfect-scrollbar.min.css

perfect-scrollbar.min.css

1162 ms

jquery.min.js

jquery.min.js

1188 ms

jquery-migrate.min.js

jquery-migrate.min.js

1171 ms

hooks.min.js

hooks.min.js

1230 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

1334 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

1292 ms

frontend.js

frontend.js

1296 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

1314 ms

js.cookie.min.js

js.cookie.min.js

1331 ms

woocommerce.min.js

woocommerce.min.js

1404 ms

add-to-cart.min.js

add-to-cart.min.js

1410 ms

css

css

32 ms

css

css

19 ms

wc-blocks.css

wc-blocks.css

1329 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

1237 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

1154 ms

stripes.css

stripes.css

1226 ms

animate.min.css

animate.min.css

1204 ms

frosty.css

frosty.css

1118 ms

jugaad.min.css

jugaad.min.css

1090 ms

woocommerce-add-to-cart.js

woocommerce-add-to-cart.js

1109 ms

above-the-fold.min.js

above-the-fold.min.js

1038 ms

jquery-ui.min.js

jquery-ui.min.js

1053 ms

core.min.js

core.min.js

1016 ms

ultimate.min.js

ultimate.min.js

1045 ms

main.min.js

main.min.js

1123 ms

i18n.min.js

i18n.min.js

938 ms

index.js

index.js

889 ms

index.js

index.js

976 ms

sourcebuster.min.js

sourcebuster.min.js

855 ms

order-attribution.min.js

order-attribution.min.js

855 ms

sassy-social-share-public.js

sassy-social-share-public.js

1097 ms

legacy.min.js

legacy.min.js

860 ms

post-type.min.js

post-type.min.js

845 ms

js_composer_front.min.js

js_composer_front.min.js

836 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

880 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

806 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

797 ms

vimeo.min.js

vimeo.min.js

801 ms

waypoints.min.js

waypoints.min.js

830 ms

frosty.js

frosty.js

864 ms

idle-timer.min.js

idle-timer.min.js

826 ms

modal.min.js

modal.min.js

822 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

18 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

21 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

25 ms

WCST-Logo-1.jpg

WCST-Logo-1.jpg

333 ms

dummy.png

dummy.png

361 ms

aed691_8a026f05a4ac4d498ab5316cd75ad5d2.png

aed691_8a026f05a4ac4d498ab5316cd75ad5d2.png

602 ms

aed691_78fdb6e01dae4f54bc526b82b81cf8e5.jpg

aed691_78fdb6e01dae4f54bc526b82b81cf8e5.jpg

467 ms

aed691_c7d9e76ec60f4e7c9f138e4012a3b999.jpg

aed691_c7d9e76ec60f4e7c9f138e4012a3b999.jpg

467 ms

aed691_dcd17e1249754fee96e49fae8cfdbe08.jpg

aed691_dcd17e1249754fee96e49fae8cfdbe08.jpg

465 ms

image.jpg

image.jpg

465 ms

WCST-2019-Speakers-1-scaled.jpg

WCST-2019-Speakers-1-scaled.jpg

600 ms

WCST-2019-Speakers-2-scaled.jpg

WCST-2019-Speakers-2-scaled.jpg

678 ms

WCST-2019-Speakers-3-scaled.jpg

WCST-2019-Speakers-3-scaled.jpg

655 ms

icitst.png

icitst.png

599 ms

wcicss.png

wcicss.png

600 ms

worldcis.png

worldcis.png

677 ms

Microsoft.png

Microsoft.png

704 ms

Intel.png

Intel.png

704 ms

McAfee.png

McAfee.png

703 ms

Oracle.png

Oracle.png

720 ms

Symantec_logo.png

Symantec_logo.png

783 ms

Google.png

Google.png

779 ms

Facebook.png

Facebook.png

755 ms

dropbox.png

dropbox.png

756 ms

Apple.png

Apple.png

758 ms

Twitter.png

Twitter.png

781 ms

IBM.png

IBM.png

768 ms

cross.png

cross.png

788 ms

icomoon-the7-font.ttf

icomoon-the7-font.ttf

734 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

72 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpbCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpbCIPrQ.ttf

72 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf

73 ms

Defaults.woff

Defaults.woff

756 ms

Socicon.woff

Socicon.woff

756 ms

default

default

261 ms

revolution.extension.slideanims.min.js

revolution.extension.slideanims.min.js

512 ms

revolution.extension.actions.min.js

revolution.extension.actions.min.js

542 ms

revolution.extension.layeranimation.min.js

revolution.extension.layeranimation.min.js

566 ms

revolution.extension.navigation.min.js

revolution.extension.navigation.min.js

609 ms

Green-Earth-technology-Background.jpg

Green-Earth-technology-Background.jpg

667 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

5 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

6 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

23 ms

mejs-controls.svg

mejs-controls.svg

405 ms

WCST-Sustainable-Energy.jpeg

WCST-Sustainable-Energy.jpeg

298 ms

wcst-slide-02.jpg

wcst-slide-02.jpg

400 ms

wcst-slide-03.jpg

wcst-slide-03.jpg

375 ms

revicons.woff

revicons.woff

108 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

160 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

161 ms

twk-event-polyfill.js

twk-event-polyfill.js

90 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

160 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

158 ms

twk-main.js

twk-main.js

25 ms

twk-vendor.js

twk-vendor.js

39 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

53 ms

twk-chunk-common.js

twk-chunk-common.js

90 ms

twk-runtime.js

twk-runtime.js

91 ms

twk-app.js

twk-app.js

90 ms

Accessibility Review

wcst.org accessibility score

80

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.

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

Image elements do not have [alt] attributes

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

wcst.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

wcst.org SEO score

86

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Wcst.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 Wcst.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

wcst.org

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