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opex-group.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

opex-group.com

Driving energy & emissions performance - OPEX Group

Page Load Speed

3.8 sec in total

First Response

85 ms

Resources Loaded

1.7 sec

Page Rendered

2 sec

opex-group.com screenshot

About Website

Visit opex-group.com now to see the best up-to-date OPEX Group content and also check out these interesting facts you probably never knew about opex-group.com

OPEX Group - an ERM Group company - is a leading provider of digital solutions for carbon intensive industries. Our mission is to help operationalise carbon strategies, drive energy efficiency and del...

Visit opex-group.com

Key Findings

We analyzed Opex-group.com page load time and found that the first response time was 85 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

opex-group.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value4,630 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

Network Requests Diagram

opex-group.com

85 ms

emissions-ai

108 ms

217 ms

js

73 ms

OtAutoBlock.js

88 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Opex-group.com, 53% (29 requests) were made to Erm.com and 7% (4 requests) were made to View.ceros.com. The less responsive or slowest element that took the longest time to load (671 ms) relates to the external source Erm.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.9 kB (4%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opex-group.com main page is 1.9 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. 65% of websites need less resources to load. Javascripts take 987.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 28.2 kB

  • Original 37.7 kB
  • After minification 33.0 kB
  • After compression 9.5 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. This page needs HTML code to be minified as it can gain 4.6 kB, which is 12% 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 28.2 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 18.0 kB

  • Original 720.1 kB
  • After minification 702.1 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. OPEX Group images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 27.8 kB

  • Original 987.5 kB
  • After minification 987.5 kB
  • After compression 959.7 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

-0%

Potential reduce by 0 B

  • Original 134.3 kB
  • After minification 134.3 kB
  • After compression 134.3 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. Opex-group.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (56%)

Requests Now

41

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPEX Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

opex-group.com

opex-group.com

85 ms

emissions-ai

emissions-ai

108 ms

217 ms

js

js

73 ms

OtAutoBlock.js

OtAutoBlock.js

88 ms

otSDKStub.js

otSDKStub.js

120 ms

all.css

all.css

62 ms

erm.6f33a9a1d8e1d4bd5d98.css

erm.6f33a9a1d8e1d4bd5d98.css

346 ms

scroll-proxy.min.js

scroll-proxy.min.js

142 ms

2afd2833f6a741d4463f.js

2afd2833f6a741d4463f.js

255 ms

01e50cbad5dddc8377f8.js

01e50cbad5dddc8377f8.js

340 ms

c7766d4c159de9b0d6e0.js

c7766d4c159de9b0d6e0.js

198 ms

e7bf245a66fc75904971.js

e7bf245a66fc75904971.js

344 ms

5d8eac69bdd0dc4628a4.js

5d8eac69bdd0dc4628a4.js

270 ms

8d9890c48e72a135e2df.js

8d9890c48e72a135e2df.js

671 ms

f0dbbc66721b21b6001b.js

f0dbbc66721b21b6001b.js

542 ms

b4c230280b2cbd950692.js

b4c230280b2cbd950692.js

467 ms

dd1ee70c75441524c38c.js

dd1ee70c75441524c38c.js

542 ms

29efea12-347c-433d-9567-43414a8a655a.json

29efea12-347c-433d-9567-43414a8a655a.json

42 ms

location

location

44 ms

css2

css2

67 ms

module-template-1-1-1-2-1

module-template-1-1-1-2-1

140 ms

emissionsai_horizontal_green_small_use.png

emissionsai_horizontal_green_small_use.png

44 ms

emissionsai_horizontal_mint_small_use.png

emissionsai_horizontal_mint_small_use.png

44 ms

ijglobal-esg-technology-award-energy.png

ijglobal-esg-technology-award-energy.png

45 ms

sustainability-consulting-awards-esg-innovation.png

sustainability-consulting-awards-esg-innovation.png

204 ms

environmental-business-journal-business-achievement-award-for-air-emissions.png

environmental-business-journal-business-achievement-award-for-air-emissions.png

67 ms

GetCaptchaImage

GetCaptchaImage

239 ms

erm_horizontal_small_use_master_white_rgb1_eai.png

erm_horizontal_small_use_master_white_rgb1_eai.png

303 ms

case-study-2-1-2

case-study-2-1-2

99 ms

_Xmz-HUzqDCFdgfMsYiV_F7wfS-Bs_d_QF5e.ttf

_Xmz-HUzqDCFdgfMsYiV_F7wfS-Bs_d_QF5e.ttf

74 ms

_Xmz-HUzqDCFdgfMsYiV_F7wfS-Bs_dNQF5e.ttf

_Xmz-HUzqDCFdgfMsYiV_F7wfS-Bs_dNQF5e.ttf

92 ms

_Xmz-HUzqDCFdgfMsYiV_F7wfS-Bs_eYR15e.ttf

_Xmz-HUzqDCFdgfMsYiV_F7wfS-Bs_eYR15e.ttf

95 ms

speziaseriftrial-regularc-webfont.woff

speziaseriftrial-regularc-webfont.woff

306 ms

speziaseriftrial-mediumc-webfont.woff

speziaseriftrial-mediumc-webfont.woff

269 ms

speziaseriftrial-semiboldc-webfont.woff

speziaseriftrial-semiboldc-webfont.woff

341 ms

speziaseriftrial-boldc-webfont.woff

speziaseriftrial-boldc-webfont.woff

414 ms

emissions-ai-case-study-chem.jpg

emissions-ai-case-study-chem.jpg

231 ms

emissions-ai-case-study-terminal.jpg

emissions-ai-case-study-terminal.jpg

244 ms

emissions-ai-case-study-energy.jpg

emissions-ai-case-study-energy.jpg

449 ms

form-bg.svg

form-bg.svg

607 ms

check.svg

check.svg

390 ms

file-download.svg

file-download.svg

551 ms

fa-solid-900.woff

fa-solid-900.woff

20 ms

fa-regular-400.woff

fa-regular-400.woff

44 ms

jquery.min.js

jquery.min.js

50 ms

webfont-1.6.3.js

webfont-1.6.3.js

68 ms

require-min.js

require-min.js

78 ms

bootstrap-optimized.js

bootstrap-optimized.js

212 ms

html5-player.css

html5-player.css

130 ms

experience-version-66a115f13c69b.js

experience-version-66a115f13c69b.js

77 ms

rollbar.min.js

rollbar.min.js

55 ms

experience-version-66a128b885ad9.js

experience-version-66a128b885ad9.js

85 ms

43 ms

52 ms

Accessibility Review

opex-group.com accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

opex-group.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

opex-group.com 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

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

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 Opex-group.com 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 Opex-group.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

opex-group.com

Open Graph description is not detected on the main page of OPEX Group. 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: