Access fessubsea.co.uk. FES Subsea - Subsea Engineering and Specialist Subsea Services

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

fessubsea.co.uk

681 ms

js

68 ms

css

53 ms

bootstrap.min.css

231 ms

normalize.css

163 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 85% of them (94 requests) were addressed to the original Fessubsea.co.uk, 6% (7 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (764 ms) belongs to the original domain Fessubsea.co.uk.

Content Size

2.5 MB

After Optimization

1.7 MB

In fact, the total size of Fessubsea.co.uk main page is 2.5 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. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 52.8 kB

Original 62.8 kB
After minification 52.5 kB
After compression 10.0 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. This page needs HTML code to be minified as it can gain 10.3 kB, which is 16% 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 52.8 kB or 84% of the original size.

Image Optimization

-34%

Potential reduce by 689.8 kB

Original 2.0 MB
After minification 1.4 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. Obviously, FES Subsea needs image optimization as it can save up to 689.8 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 26.3 kB

Original 259.4 kB
After minification 259.4 kB
After compression 233.1 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

-29%

Potential reduce by 28.0 kB

Original 96.6 kB
After minification 95.8 kB
After compression 68.7 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. Fessubsea.co.uk needs all CSS files to be minified and compressed as it can save up to 28.0 kB or 29% of the original size.

Requests Now

101

After Optimization

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FES Subsea. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

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 Fessubsea.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 Fessubsea.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

fessubsea.co.uk

Open Graph data is detected on the main page of FES Subsea. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

FES Subsea - Subsea Engineering and Specialist Subsea Services

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

fessubsea.co.uk

js

css

bootstrap.min.css

normalize.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

fessubsea.co.uk

js

css

bootstrap.min.css

normalize.css

featherlight.css

animate.min.css

hover-min.css

e12995880c.js

owl.carousel.min.css

style.css

aurora.css

style.min.css

styles.css

jquery.qtip.min.css

default.css

jquery.min.js

jquery-migrate.min.js

iphorm.js

146052.js

e12995880c.css

jquery.min.js

tether.min.js

bootstrap.min.js

js

wow.min.js

classie.js

parallax.min.js

owl.carousel.min.js

featherlight.js

main.js

swfupload.min.js

jquery.iphorm.js

jquery.form.min.js

jquery.smooth-scroll.min.js

jquery.qtip.min.js

jquery.uniform.min.js

jquery.infieldlabel.min.js

font-awesome-css.min.css

FPAL-Registered-Logo-300x256.jpg

fes-subsea-logo.png

fes-curve-blue-75.png

fes-international-subsea-world-map-2000x990.png