Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

skanska.co.uk

Skanska UK | www.skanska.co.uk

Page Load Speed

4.1 sec in total

First Response

785 ms

Resources Loaded

2.9 sec

Page Rendered

429 ms

skanska.co.uk screenshot

About Website

Click here to check amazing Skanska content for India. Otherwise, check out these important facts you probably never knew about skanska.co.uk

Skanska, one of the UK’s leading contractors, is an inclusive and responsible business that is helping to build for a better society. Known for major projects, such as the Gherkin and Crossrail, we ar...

Visit skanska.co.uk

Key Findings

We analyzed Skanska.co.uk page load time and found that the first response time was 785 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

skanska.co.uk performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.85

4/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

www.skanska.co.uk

785 ms

www.skanska.co.uk

1088 ms

OtAutoBlock.js

56 ms

otSDKStub.js

75 ms

global.css

93 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 69% of them (22 requests) were addressed to the original Skanska.co.uk, 9% (3 requests) were made to Cdn.cookielaw.org and 3% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Skanska.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.2 kB (46%)

Content Size

487.6 kB

After Optimization

261.4 kB

In fact, the total size of Skanska.co.uk main page is 487.6 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. 65% of websites need less resources to load. HTML takes 248.8 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 223.4 kB

  • Original 248.8 kB
  • After minification 196.3 kB
  • After compression 25.4 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. This page needs HTML code to be minified as it can gain 52.4 kB, which is 21% 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 223.4 kB or 90% of the original size.

Image Optimization

-10%

Potential reduce by 2.3 kB

  • Original 23.0 kB
  • After minification 20.7 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. Skanska images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 518 B

  • Original 215.8 kB
  • After minification 215.8 kB
  • After compression 215.3 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Skanska. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

skanska.co.uk accessibility score

89

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

Best Practices

skanska.co.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

skanska.co.uk SEO score

76

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