Report Summary

  • 19

    Performance

    Renders faster than
    37% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 93% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

cois.org

Council of International Schools | International Education Organisation

Page Load Speed

2.4 sec in total

First Response

75 ms

Resources Loaded

2.1 sec

Page Rendered

225 ms

cois.org screenshot

About Website

Welcome to cois.org homepage info - get ready to check Cois best content for India right away, or after learning these important things about cois.org

CIS is a non-profit membership organisation that provides high-quality education services to schools and higher education institutions.

Visit cois.org

Key Findings

We analyzed Cois.org page load time and found that the first response time was 75 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

cois.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value2,370 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

Network Requests Diagram

cois.org

75 ms

www.cois.org

891 ms

styles.cfm

151 ms

ss.css

12 ms

jquery.min.js

19 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 48% of them (32 requests) were addressed to the original Cois.org, 18% (12 requests) were made to Use.typekit.net and 17% (11 requests) were made to Newjs.finalsite.com. The less responsive or slowest element that took the longest time to load (891 ms) belongs to the original domain Cois.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (50%)

Content Size

2.1 MB

After Optimization

1.0 MB

In fact, the total size of Cois.org main page is 2.1 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. 55% of websites need less resources to load. Images take 889.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 33.7 kB

  • Original 44.0 kB
  • After minification 40.1 kB
  • After compression 10.3 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 33.7 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 61.7 kB

  • Original 889.1 kB
  • After minification 827.4 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. Cois images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 458.0 kB

  • Original 608.2 kB
  • After minification 466.5 kB
  • After compression 150.2 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 458.0 kB or 75% of the original size.

CSS Optimization

-93%

Potential reduce by 489.3 kB

  • Original 528.3 kB
  • After minification 200.7 kB
  • After compression 38.9 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. Cois.org needs all CSS files to be minified and compressed as it can save up to 489.3 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (50%)

Requests Now

50

After Optimization

25

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cois. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cois.org accessibility score

97

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.

Best Practices

cois.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

cois.org SEO score

82

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cois.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 Cois.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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