Tools & Wizards About Us
ibcso.org screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

ibcso.org

IBCSO | International Bathymetric Chart of the Southern Ocean

Page Load Speed

5.8 sec in total

First Response

375 ms

Resources Loaded

5 sec

Page Rendered

349 ms

ibcso.org screenshot

About Website

Click here to check amazing IBCSO content. Otherwise, check out these important facts you probably never knew about ibcso.org

Visit ibcso.org

Key Findings

We analyzed Ibcso.org page load time and found that the first response time was 375 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

ibcso.org performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

ibcso.org

375 ms

ibcso.org

2238 ms

style.min.css

346 ms

style.min.css

563 ms

style.min.css

355 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 97% of them (76 requests) were addressed to the original Ibcso.org, 1% (1 request) were made to Platform.twitter.com and 1% (1 request) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Ibcso.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.8 kB (32%)

Content Size

808.5 kB

After Optimization

553.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ibcso.org main page is 808.5 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. 65% of websites need less resources to load. Javascripts take 289.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 151.2 kB

  • Original 178.0 kB
  • After minification 174.0 kB
  • After compression 26.8 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 151.2 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 32.4 kB

  • Original 246.5 kB
  • After minification 214.1 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. Obviously, IBCSO needs image optimization as it can save up to 32.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 49.3 kB

  • Original 289.8 kB
  • After minification 289.8 kB
  • After compression 240.5 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 49.3 kB or 17% of the original size.

CSS Optimization

-23%

Potential reduce by 21.9 kB

  • Original 94.3 kB
  • After minification 94.2 kB
  • After compression 72.4 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. Ibcso.org needs all CSS files to be minified and compressed as it can save up to 21.9 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (55%)

Requests Now

64

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IBCSO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ibcso.org

ibcso.org

375 ms

ibcso.org

ibcso.org

2238 ms

style.min.css

style.min.css

346 ms

style.min.css

style.min.css

563 ms

style.min.css

style.min.css

355 ms

style.min.css

style.min.css

717 ms

style.min.css

style.min.css

371 ms

style.min.css

style.min.css

377 ms

style.min.css

style.min.css

580 ms

blocks.style.build.css

blocks.style.build.css

484 ms

et-divi-open-sans.css

et-divi-open-sans.css

503 ms

style.min.css

style.min.css

625 ms

dynamic-mobmenu.css

dynamic-mobmenu.css

614 ms

mm-google-webfont-dosis.css

mm-google-webfont-dosis.css

627 ms

mobmenu-icons.css

mobmenu-icons.css

680 ms

mobmenu.css

mobmenu.css

697 ms

widget.js

widget.js

970 ms

jquery.min.js

jquery.min.js

987 ms

jquery-migrate.min.js

jquery-migrate.min.js

761 ms

mobmenu.js

mobmenu.js

809 ms

omgf-stylesheet-85.css

omgf-stylesheet-85.css

822 ms

et-divi-customizer-global.min.css

et-divi-customizer-global.min.css

844 ms

et-core-unified-cpt-8.min.css

et-core-unified-cpt-8.min.css

890 ms

et-core-unified-cpt-deferred-8.min.css

et-core-unified-cpt-deferred-8.min.css

933 ms

et-core-unified-cpt-21.min.css

et-core-unified-cpt-21.min.css

942 ms

et-core-unified-cpt-deferred-21.min.css

et-core-unified-cpt-deferred-21.min.css

985 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

1072 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

1072 ms

scripts.min.js

scripts.min.js

1185 ms

jquery.fitvids.js

jquery.fitvids.js

1132 ms

jquery.mobile.js

jquery.mobile.js

1149 ms

easypiechart.js

easypiechart.js

1161 ms

salvattore.js

salvattore.js

1204 ms

common.js

common.js

1209 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

1374 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

1283 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

1289 ms

sticky-elements.js

sticky-elements.js

1351 ms

SV_MG_3679-scaled-2.webp

SV_MG_3679-scaled-2.webp

786 ms

IBCSO2_long_400.png

IBCSO2_long_400.png

319 ms

SV_MG_2458.webp

SV_MG_2458.webp

509 ms

SV_MG_3914.webp

SV_MG_3914.webp

518 ms

SV_IMG_8460.webp

SV_IMG_8460.webp

768 ms

SV_MG_2485.webp

SV_MG_2485.webp

458 ms

SV_IMG_8762.webp

SV_IMG_8762.webp

596 ms

annual-meeting-banner-whats-next-for-science2_Thumbnail-400x250.png

annual-meeting-banner-whats-next-for-science2_Thumbnail-400x250.png

579 ms

Hydro2024-400x231.webp

Hydro2024-400x231.webp

635 ms

Scar-Open-Science-400x250.webp

Scar-Open-Science-400x250.webp

651 ms

polar_npac_mtg_2023-400x250.jpg

polar_npac_mtg_2023-400x250.jpg

700 ms

Artboard83-400x250.png

Artboard83-400x250.png

716 ms

instant-400x250.png

instant-400x250.png

767 ms

en_who_abo_ci_03.webp

en_who_abo_ci_03.webp

785 ms

gebco_300-1.png

gebco_300-1.png

820 ms

Seabed-Logo-Lockup-RGB.webp

Seabed-Logo-Lockup-RGB.webp

841 ms

AWI.webp

AWI.webp

899 ms

image.png

image.png

891 ms

SCAR.webp

SCAR.webp

915 ms

IOC-UNESCO-Logo-2021.webp

IOC-UNESCO-Logo-2021.webp

914 ms

UN_decade-of-science-transp.webp

UN_decade-of-science-transp.webp

946 ms

gebco_small_mobile-1.webp

gebco_small_mobile-1.webp

962 ms

Seabed-Logo-Lockup-RGB_small_mobile.webp

Seabed-Logo-Lockup-RGB_small_mobile.webp

1018 ms

et-divi-dynamic-tb-8-tb-21-tb-20-late.css

et-divi-dynamic-tb-8-tb-21-tb-20-late.css

982 ms

IHO_Logo_Angle_EN-FR_mobile.webp

IHO_Logo_Angle_EN-FR_mobile.webp

1000 ms

open-sans-normal-500.woff

open-sans-normal-500.woff

998 ms

open-sans-normal-400.woff

open-sans-normal-400.woff

987 ms

open-sans-normal-400.woff

open-sans-normal-400.woff

970 ms

open-sans-normal-300.woff

open-sans-normal-300.woff

1014 ms

open-sans-normal-300.woff

open-sans-normal-300.woff

1079 ms

open-sans-normal-600.woff

open-sans-normal-600.woff

1061 ms

open-sans-normal-600.woff

open-sans-normal-600.woff

1055 ms

open-sans-normal-700.woff

open-sans-normal-700.woff

981 ms

open-sans-normal-700.woff

open-sans-normal-700.woff

989 ms

open-sans-normal-800.woff

open-sans-normal-800.woff

965 ms

open-sans-normal-800.woff

open-sans-normal-800.woff

1018 ms

modules.woff

modules.woff

1037 ms

SCAR_mobile.webp

SCAR_mobile.webp

879 ms

widget_iframe.2b2d73daf636805223fb11d48f3e94f7.html

widget_iframe.2b2d73daf636805223fb11d48f3e94f7.html

111 ms

settings

settings

67 ms

Accessibility Review

ibcso.org accessibility score

87

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

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

ibcso.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

SEO Factors

ibcso.org SEO score

85

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 Ibcso.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 Ibcso.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

ibcso.org

Open Graph description is not detected on the main page of IBCSO. 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: