Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

cebn.org

Clean Energy Business Network - CEBN

Page Load Speed

9.7 sec in total

First Response

2 sec

Resources Loaded

7.1 sec

Page Rendered

495 ms

cebn.org screenshot

About Website

Welcome to cebn.org homepage info - get ready to check CEBN best content right away, or after learning these important things about cebn.org

Clean Energy Business Network is the small business voice of the clean energy economy, enhancing opportunities for cleantech providers.

Visit cebn.org

Key Findings

We analyzed Cebn.org page load time and found that the first response time was 2 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cebn.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value50.1 s

0/100

25%

SI (Speed Index)

Value24.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.159

73/100

15%

TTI (Time to Interactive)

Value46.2 s

0/100

10%

Network Requests Diagram

www.cebn.org

2034 ms

font-awesome.min.css

85 ms

bootstrap-front.css

66 ms

counter-column.css

75 ms

woocommerce-layout.css

72 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 88% of them (82 requests) were addressed to the original Cebn.org, 4% (4 requests) were made to Use.fontawesome.com and 3% (3 requests) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Cebn.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (26%)

Content Size

11.8 MB

After Optimization

8.7 MB

In fact, the total size of Cebn.org main page is 11.8 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. Only a small number of websites need less resources to load. Images take 10.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 83.7 kB

  • Original 105.2 kB
  • After minification 95.9 kB
  • After compression 21.5 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 83.7 kB or 80% of the original size.

Image Optimization

-17%

Potential reduce by 1.7 MB

  • Original 10.0 MB
  • After minification 8.3 MB

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, CEBN needs image optimization as it can save up to 1.7 MB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 848.6 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 316.2 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 848.6 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 448.0 kB

  • Original 526.6 kB
  • After minification 497.5 kB
  • After compression 78.6 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. Cebn.org needs all CSS files to be minified and compressed as it can save up to 448.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (68%)

Requests Now

87

After Optimization

28

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CEBN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cebn.org accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

cebn.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

High

Page has valid source maps

SEO Factors

cebn.org SEO score

77

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

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

    EN

  • Encoding

    UTF-8

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

Open Graph data is detected on the main page of CEBN. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: