Tools & Wizards About Us
courseworld.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

courseworld.com

Course World Reference: High School Curriculum Resource

Page Load Speed

948 ms in total

First Response

130 ms

Resources Loaded

757 ms

Page Rendered

61 ms

courseworld.com screenshot

About Website

Visit courseworld.com now to see the best up-to-date Course World content and also check out these interesting facts you probably never knew about courseworld.com

A great course reference for high school teachers and students needing subject lesson plans in grade 10,grade 11, and grade 12

Visit courseworld.com

Key Findings

We analyzed Courseworld.com page load time and found that the first response time was 130 ms and then it took 818 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

courseworld.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

courseworld.com

130 ms

courseworld.com

239 ms

divestyle1.css

232 ms

myscript4.js

238 ms

cwa.jpg

78 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Courseworld.com and no external sources were called. The less responsive or slowest element that took the longest time to load (239 ms) belongs to the original domain Courseworld.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 kB (41%)

Content Size

4.2 kB

After Optimization

2.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Courseworld.com main page is 4.2 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 2.4 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 1.3 kB

  • Original 2.4 kB
  • After minification 2.3 kB
  • After compression 1.1 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 1.3 kB or 55% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 318 B
  • After minification 318 B

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. Course World images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 377 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.0 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 377 B or 27% of the original size.

CSS Optimization

-18%

Potential reduce by 16 B

  • Original 89 B
  • After minification 86 B
  • After compression 73 B

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. Courseworld.com needs all CSS files to be minified and compressed as it can save up to 16 B or 18% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Course World. According to our analytics all requests are already optimized.

Network Requests Diagram

courseworld.com

courseworld.com

130 ms

courseworld.com

courseworld.com

239 ms

divestyle1.css

divestyle1.css

232 ms

myscript4.js

myscript4.js

238 ms

cwa.jpg

cwa.jpg

78 ms

button15_off.gif

button15_off.gif

93 ms

wwdive.gif

wwdive.gif

149 ms

Accessibility Review

courseworld.com accessibility score

84

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

courseworld.com 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

SEO Factors

courseworld.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Courseworld.com 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 Courseworld.com main page’s claimed encoding is us-ascii. 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

courseworld.com

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