Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

top100energies.com

Top 100 Energies - Clean Technology Companies and Energy Saving Advice

Page Load Speed

908 ms in total

First Response

89 ms

Resources Loaded

691 ms

Page Rendered

128 ms

top100energies.com screenshot

About Website

Visit top100energies.com now to see the best up-to-date Top 100 Energies content and also check out these interesting facts you probably never knew about top100energies.com

Top 100 Energies provides you with a list of the top 100 clean technology companies around the globe. We also offer a wealth of advice on how to save energy around the home.

Visit top100energies.com

Key Findings

We analyzed Top100energies.com page load time and found that the first response time was 89 ms and then it took 819 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

top100energies.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

top100energies.com

89 ms

www.top100energies.com

105 ms

style.css

33 ms

jquery-1.3.2.min.js

94 ms

cufon-yui.js

68 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Top100energies.com and no external sources were called. The less responsive or slowest element that took the longest time to load (231 ms) belongs to the original domain Top100energies.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.2 kB (6%)

Content Size

364.6 kB

After Optimization

341.4 kB

In fact, the total size of Top100energies.com main page is 364.6 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. 20% of websites need less resources to load. Javascripts take 234.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 16.8 kB

  • Original 20.1 kB
  • After minification 18.6 kB
  • After compression 3.4 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 16.8 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 6.0 kB

  • Original 108.9 kB
  • After minification 102.9 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. Top 100 Energies images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 240 B

  • Original 234.1 kB
  • After minification 234.1 kB
  • After compression 233.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 207 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 1.3 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. Top100energies.com needs all CSS files to be minified and compressed as it can save up to 207 B or 14% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Top 100 Energies. According to our analytics all requests are already optimized.

Accessibility Review

top100energies.com accessibility score

63

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

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

Best Practices

top100energies.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

top100energies.com SEO score

58

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

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 Top100energies.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 Top100energies.com 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 description is not detected on the main page of Top 100 Energies. 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: