Tools & Wizards About Us
salvesenuk.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

salvesenuk.com

Salvesen UK Ltd. - Underwater Consultants, Surveyors and Engineers

Page Load Speed

1.1 sec in total

First Response

138 ms

Resources Loaded

844 ms

Page Rendered

110 ms

salvesenuk.com screenshot

About Website

Visit salvesenuk.com now to see the best up-to-date Salvesen UK content and also check out these interesting facts you probably never knew about salvesenuk.com

Salvesen UK Ltd are a well-established Merseyside diving company. We provide services to shipping companies worldwide. We also provide highly qualified diving teams to the civil engineering industry l...

Visit salvesenuk.com

Key Findings

We analyzed Salvesenuk.com page load time and found that the first response time was 138 ms and then it took 954 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

salvesenuk.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

salvesenuk.com

138 ms

style.css

58 ms

jquery-1.9.1.min.js

6 ms

jquery.slides.js

110 ms

widgets.js

7 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 88% of them (28 requests) were addressed to the original Salvesenuk.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (543 ms) belongs to the original domain Salvesenuk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.9 kB (1%)

Content Size

3.6 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Salvesenuk.com main page is 3.6 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. 50% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.5 kB

  • Original 10.3 kB
  • After minification 9.8 kB
  • After compression 2.8 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 7.5 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 16.0 kB

  • Original 3.6 MB
  • After minification 3.6 MB

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. Salvesen UK images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 46 B

  • Original 21.3 kB
  • After minification 21.3 kB
  • After compression 21.2 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

-23%

Potential reduce by 434 B

  • Original 1.8 kB
  • After minification 1.8 kB
  • After compression 1.4 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. Salvesenuk.com needs all CSS files to be minified and compressed as it can save up to 434 B or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

30

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Salvesen UK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

salvesenuk.com

salvesenuk.com

138 ms

style.css

style.css

58 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

6 ms

jquery.slides.js

jquery.slides.js

110 ms

widgets.js

widgets.js

7 ms

ga.js

ga.js

49 ms

salvesenlogo.jpg

salvesenlogo.jpg

108 ms

home.jpg

home.jpg

62 ms

aboutus.jpg

aboutus.jpg

109 ms

news.jpg

news.jpg

110 ms

divingservices.jpg

divingservices.jpg

111 ms

fishingindustryservices.jpg

fishingindustryservices.jpg

110 ms

vesselhire.jpg

vesselhire.jpg

119 ms

contactus.jpg

contactus.jpg

165 ms

BalfourBeatty.png

BalfourBeatty.png

425 ms

CammellLairds.png

CammellLairds.png

431 ms

HalcyonDays.png

HalcyonDays.png

427 ms

StenaLine.png

StenaLine.png

429 ms

LiftBags.png

LiftBags.png

437 ms

HyperbaricChamber.png

HyperbaricChamber.png

431 ms

RiverMersey.png

RiverMersey.png

533 ms

background.jpg

background.jpg

485 ms

iso2024.png

iso2024.png

485 ms

abs-small.jpg

abs-small.jpg

487 ms

adc-small.jpg

adc-small.jpg

486 ms

bureauveritas-small.jpg

bureauveritas-small.jpg

491 ms

achilles-small.jpg

achilles-small.jpg

539 ms

dnvgl-small.jpg

dnvgl-small.jpg

542 ms

lloydsregister-small.jpg

lloydsregister-small.jpg

539 ms

contractorplus-small.jpg

contractorplus-small.jpg

542 ms

Salvesen.woff

Salvesen.woff

543 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

salvesenuk.com accessibility score

57

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.

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

salvesenuk.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

SEO Factors

salvesenuk.com SEO score

62

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 Salvesenuk.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 Salvesenuk.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

salvesenuk.com

Open Graph description is not detected on the main page of Salvesen UK. 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: