Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    29% of websites

  • 92

    SEO

    Google-friendlier than
    79% of websites

seatechdiving.co.uk

Seatech Commercial Diving

Page Load Speed

4 sec in total

First Response

347 ms

Resources Loaded

3.3 sec

Page Rendered

346 ms

seatechdiving.co.uk screenshot

About Website

Click here to check amazing Seatech Diving content. Otherwise, check out these important facts you probably never knew about seatechdiving.co.uk

Visit seatechdiving.co.uk

Key Findings

We analyzed Seatechdiving.co.uk page load time and found that the first response time was 347 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

seatechdiving.co.uk performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

seatechdiving.co.uk

347 ms

bootstrap.css

796 ms

SeatechStyles.css

154 ms

navbar-fixed-top.css

152 ms

jquery-1.11.2.min.js

695 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 63% of them (24 requests) were addressed to the original Seatechdiving.co.uk, 18% (7 requests) were made to Youtube.com and 5% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Seatechdiving.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 697.2 kB (48%)

Content Size

1.5 MB

After Optimization

758.2 kB

In fact, the total size of Seatechdiving.co.uk main page is 1.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 578.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 16.5 kB

  • Original 22.6 kB
  • After minification 19.0 kB
  • After compression 6.2 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 3.7 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 16.5 kB or 73% of the original size.

Image Optimization

-2%

Potential reduce by 14.1 kB

  • Original 578.9 kB
  • After minification 564.8 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. Seatech Diving images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 252.6 kB

  • Original 367.6 kB
  • After minification 345.3 kB
  • After compression 115.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 252.6 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 414.0 kB

  • Original 486.2 kB
  • After minification 459.9 kB
  • After compression 72.2 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. Seatechdiving.co.uk needs all CSS files to be minified and compressed as it can save up to 414.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (34%)

Requests Now

35

After Optimization

23

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seatech Diving. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

seatechdiving.co.uk accessibility score

90

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

seatechdiving.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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

seatechdiving.co.uk SEO score

92

Search Engine Optimization Advices

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 Seatechdiving.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 Seatechdiving.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 Seatech Diving. 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: