Tools & Wizards About Us
online.ibo.org screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

online.ibo.org

International education - International Baccalaureate®

Page Load Speed

3 sec in total

First Response

268 ms

Resources Loaded

2.6 sec

Page Rendered

135 ms

online.ibo.org screenshot

About Website

Click here to check amazing Online Ibo content for China. Otherwise, check out these important facts you probably never knew about online.ibo.org

The International Baccalaureate® (IB) offers four high quality international education programmes to more than one million students in more than 146 countries.

Visit online.ibo.org

Key Findings

We analyzed Online.ibo.org page load time and found that the first response time was 268 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

online.ibo.org performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value26.6 s

0/100

10%

TBT (Total Blocking Time)

Value27,680 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.115

85/100

15%

TTI (Time to Interactive)

Value36.4 s

0/100

10%

Network Requests Diagram

home.cfm

268 ms

occ.css

147 ms

Scheme.css.cfm

355 ms

pageSpecific.css.cfm

197 ms

jquery-1.9.1.js

604 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Online.ibo.org, 6% (2 requests) were made to Ibo.org and 3% (1 request) were made to Occ.ibo.org. The less responsive or slowest element that took the longest time to load (604 ms) relates to the external source Occ.ibo.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 724.0 kB (64%)

Content Size

1.1 MB

After Optimization

401.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Online.ibo.org main page is 1.1 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. 20% of websites need less resources to load. Javascripts take 766.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 14.7 kB

  • Original 20.3 kB
  • After minification 18.0 kB
  • After compression 5.7 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 2.3 kB, which is 12% 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 14.7 kB or 72% of the original size.

Image Optimization

-16%

Potential reduce by 45.8 kB

  • Original 291.0 kB
  • After minification 245.2 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, Online Ibo needs image optimization as it can save up to 45.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-81%

Potential reduce by 621.7 kB

  • Original 766.9 kB
  • After minification 519.2 kB
  • After compression 145.2 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 621.7 kB or 81% of the original size.

CSS Optimization

-88%

Potential reduce by 41.9 kB

  • Original 47.4 kB
  • After minification 26.1 kB
  • After compression 5.6 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. Online.ibo.org needs all CSS files to be minified and compressed as it can save up to 41.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (32%)

Requests Now

28

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Ibo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

home.cfm

home.cfm

268 ms

occ.css

occ.css

147 ms

Scheme.css.cfm

Scheme.css.cfm

355 ms

pageSpecific.css.cfm

pageSpecific.css.cfm

197 ms

jquery-1.9.1.js

jquery-1.9.1.js

604 ms

oddities.js

oddities.js

164 ms

jquery-1.9.1.js

jquery-1.9.1.js

591 ms

jquery-ui.1.10.4.min.js

jquery-ui.1.10.4.min.js

518 ms

occwrcInit.js

occwrcInit.js

221 ms

occ.css

occ.css

106 ms

homePage_White18X10.gif

homePage_White18X10.gif

78 ms

PYP.ENGLISH.png

PYP.ENGLISH.png

245 ms

MYP.ENGLISH.png

MYP.ENGLISH.png

238 ms

DP.ENGLISH.png

DP.ENGLISH.png

155 ms

IBCC.ENGLISH.png

IBCC.ENGLISH.png

84 ms

IBStore.png

IBStore.png

87 ms

homePage_White20X15.gif

homePage_White20X15.gif

154 ms

Credentials.png

Credentials.png

166 ms

homePage_White15X12.gif

homePage_White15X12.gif

171 ms

IBAnswers.ENGLISH.png

IBAnswers.ENGLISH.png

307 ms

IBSecure.png

IBSecure.png

306 ms

logo-symbol-20x20.gif

logo-symbol-20x20.gif

194 ms

ibcurves.gif

ibcurves.gif

427 ms

gb_divide.gif

gb_divide.gif

232 ms

ib_logo_en.gif

ib_logo_en.gif

239 ms

OCC.ENGLISH.png

OCC.ENGLISH.png

300 ms

getContainer.2.cfm

getContainer.2.cfm

382 ms

getContainer.2.cfm

getContainer.2.cfm

402 ms

homePagePicture.jpg

homePagePicture.jpg

458 ms

loading.gif

loading.gif

312 ms

dottedLine.gif

dottedLine.gif

324 ms

Accessibility Review

online.ibo.org accessibility score

90

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

Image elements do not have [alt] attributes

Best Practices

online.ibo.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

online.ibo.org SEO score

86

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Online.ibo.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 Online.ibo.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

online.ibo.org

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