Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

coaleducation.org

Kentucky Coal Education - Online Since 1996

Page Load Speed

678 ms in total

First Response

133 ms

Resources Loaded

421 ms

Page Rendered

124 ms

About Website

Click here to check amazing Coal Education content for India. Otherwise, check out these important facts you probably never knew about coaleducation.org

Kentucky Coal and Energy Education Project

Visit coaleducation.org

Key Findings

We analyzed Coaleducation.org page load time and found that the first response time was 133 ms and then it took 545 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

coaleducation.org performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

coaleducation.org

133 ms

xaramenu.js

77 ms

kce10.js

144 ms

topblock3.jpg

86 ms

KCE_lg.jpg

234 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 89% of them (25 requests) were addressed to the original Coaleducation.org, 11% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (267 ms) belongs to the original domain Coaleducation.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.3 kB (30%)

Content Size

228.7 kB

After Optimization

159.4 kB

In fact, the total size of Coaleducation.org main page is 228.7 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. Only 10% of websites need less resources to load. Images take 151.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.6 kB

  • Original 11.6 kB
  • After minification 11.6 kB
  • After compression 3.0 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 8.6 kB or 74% of the original size.

Image Optimization

-13%

Potential reduce by 20.3 kB

  • Original 151.8 kB
  • After minification 131.4 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. Obviously, Coal Education needs image optimization as it can save up to 20.3 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

-62%

Potential reduce by 40.4 kB

  • Original 65.3 kB
  • After minification 65.2 kB
  • After compression 25.0 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 40.4 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (22%)

Requests Now

27

After Optimization

21

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coal Education. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

coaleducation.org accessibility score

50

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

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

Best Practices

coaleducation.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

SEO Factors

coaleducation.org SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coaleducation.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 Coaleducation.org main page’s claimed encoding is windows-1252. 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 Coal Education. 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: