Tools & Wizards About Us

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

nexterra.ca

Nexterra – Renewable Energy and Fuels from Waste

Page Load Speed

810 ms in total

First Response

80 ms

Resources Loaded

502 ms

Page Rendered

228 ms

About Website

Click here to check amazing Nexterra content for Canada. Otherwise, check out these important facts you probably never knew about nexterra.ca

Nexterra develops, designs, manufactures and delivers advanced gasification systems that convert waste fuels into clean, low cost heat and power. Our energy solutions enable industrial customers to se...

Visit nexterra.ca

Key Findings

We analyzed Nexterra.ca page load time and found that the first response time was 80 ms and then it took 730 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. This domain responded with an error, which can significantly jeopardize Nexterra.ca rating and web reputation

Performance Metrics

nexterra.ca performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

nexterra.ca

80 ms

nexterra.css

41 ms

jquery.min.js

7 ms

ddsmoothmenu.css

57 ms

ddsmoothmenu-home.js

59 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 81% of them (29 requests) were addressed to the original Nexterra.ca, 8% (3 requests) were made to T2.trackalyzer.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (235 ms) relates to the external source T2.trackalyzer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.3 kB (18%)

Content Size

690.7 kB

After Optimization

564.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nexterra.ca main page is 690.7 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. 35% of websites need less resources to load. Images take 504.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.6 kB

  • Original 21.9 kB
  • After minification 19.6 kB
  • After compression 5.3 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. This page needs HTML code to be minified as it can gain 2.3 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.6 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 11.4 kB

  • Original 504.8 kB
  • After minification 493.4 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. Nexterra images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 85.1 kB

  • Original 147.5 kB
  • After minification 144.4 kB
  • After compression 62.3 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 85.1 kB or 58% of the original size.

CSS Optimization

-80%

Potential reduce by 13.2 kB

  • Original 16.6 kB
  • After minification 11.7 kB
  • After compression 3.3 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. Nexterra.ca needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (28%)

Requests Now

29

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nexterra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nexterra.ca accessibility score

65

Accessibility Issues

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

nexterra.ca best practices score

58

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

Browser errors were logged to the console

SEO Factors

nexterra.ca 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

    UTF-8

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