Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

denvertech.co.uk

Denver | The Digital Execution Partner for Mining, Oil & Gas

Page Load Speed

2.1 sec in total

First Response

219 ms

Resources Loaded

1.6 sec

Page Rendered

217 ms

denvertech.co.uk screenshot

About Website

Visit denvertech.co.uk now to see the best up-to-date Denver Tech content and also check out these interesting facts you probably never knew about denvertech.co.uk

Combining deep domain expertise with hands-on industry experience, Denver solves business and technology-based productivity and availability challenges to optimise resources and energy industry value ...

Visit denvertech.co.uk

Key Findings

We analyzed Denvertech.co.uk page load time and found that the first response time was 219 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

denvertech.co.uk performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

denvertech.co.uk

219 ms

jquery.min.js

315 ms

layout.css

59 ms

common.css

89 ms

navigation.css

60 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Denvertech.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Denvertech.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 180.6 kB (45%)

Content Size

401.5 kB

After Optimization

220.9 kB

In fact, the total size of Denvertech.co.uk main page is 401.5 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 252.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 6.1 kB

  • Original 9.0 kB
  • After minification 8.2 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 6.1 kB or 67% of the original size.

Image Optimization

-30%

Potential reduce by 76.9 kB

  • Original 252.7 kB
  • After minification 175.8 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, Denver Tech needs image optimization as it can save up to 76.9 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 84.6 kB

  • Original 122.3 kB
  • After minification 112.1 kB
  • After compression 37.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 84.6 kB or 69% of the original size.

CSS Optimization

-75%

Potential reduce by 13.0 kB

  • Original 17.5 kB
  • After minification 12.6 kB
  • After compression 4.4 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. Denvertech.co.uk needs all CSS files to be minified and compressed as it can save up to 13.0 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (19%)

Requests Now

27

After Optimization

22

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denver Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

denvertech.co.uk accessibility score

51

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

High

Links do not have a discernible name

Best Practices

denvertech.co.uk 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

denvertech.co.uk 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

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 Denvertech.co.uk 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 Denvertech.co.uk 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 Denver Tech. 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: