Tools & Wizards About Us
cornishdiving.co.uk screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

cornishdiving.co.uk

Cornish Diving

Page Load Speed

1.4 sec in total

First Response

106 ms

Resources Loaded

578 ms

Page Rendered

667 ms

cornishdiving.co.uk screenshot

About Website

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

Cornish Diving is one of the leading PADI 5 star instructor development dive centres in the UK, priding ourselves on providing the highest levels of customer service, top quality equipment and experie...

Visit cornishdiving.co.uk

Key Findings

We analyzed Cornishdiving.co.uk page load time and found that the first response time was 106 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

cornishdiving.co.uk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value7.1 s

32/100

10%

TBT (Total Blocking Time)

Value1,640 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

www.cornishdiving.co.uk

106 ms

css2

76 ms

legacy.js

66 ms

modern.js

75 ms

extract-css-runtime-7b7c7f166cb135682a8a-min.en-US.js

70 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Cornishdiving.co.uk, 59% (13 requests) were made to Assets.squarespace.com and 18% (4 requests) were made to Images.squarespace-cdn.com. The less responsive or slowest element that took the longest time to load (316 ms) relates to the external source Assets.squarespace.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.8 kB (9%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cornishdiving.co.uk main page is 2.1 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. 55% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 149.3 kB

  • Original 174.5 kB
  • After minification 157.2 kB
  • After compression 25.2 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. 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 149.3 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 6.3 kB

  • Original 562.3 kB
  • After minification 556.0 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. Cornish Diving images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 30.0 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 1.4 MB

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

-2%

Potential reduce by 187 B

  • Original 12.2 kB
  • After minification 12.2 kB
  • After compression 12.0 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. Cornishdiving.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (71%)

Requests Now

21

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cornish 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 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cornishdiving.co.uk

www.cornishdiving.co.uk

106 ms

css2

css2

76 ms

legacy.js

legacy.js

66 ms

modern.js

modern.js

75 ms

extract-css-runtime-7b7c7f166cb135682a8a-min.en-US.js

extract-css-runtime-7b7c7f166cb135682a8a-min.en-US.js

70 ms

extract-css-moment-js-vendor-675f9459672cf966ca51-min.en-US.js

extract-css-moment-js-vendor-675f9459672cf966ca51-min.en-US.js

92 ms

cldr-resource-pack-a682f7ad337741eb05d6-min.en-US.js

cldr-resource-pack-a682f7ad337741eb05d6-min.en-US.js

76 ms

common-vendors-stable-f9df4447a2af25df5875-min.en-US.js

common-vendors-stable-f9df4447a2af25df5875-min.en-US.js

85 ms

common-vendors-1e66bfd4e0d284b70f0b-min.en-US.js

common-vendors-1e66bfd4e0d284b70f0b-min.en-US.js

97 ms

common-d2117539c8185b8efb0b-min.en-US.js

common-d2117539c8185b8efb0b-min.en-US.js

316 ms

commerce-c4def667e79f1ca9f06c-min.en-US.js

commerce-c4def667e79f1ca9f06c-min.en-US.js

315 ms

commerce-af8809f2481c48376f6a-min.en-US.css

commerce-af8809f2481c48376f6a-min.en-US.css

81 ms

user-account-core-4aabd3d1e20131e82c0a-min.en-US.js

user-account-core-4aabd3d1e20131e82c0a-min.en-US.js

100 ms

user-account-core-e7c79916101ca5555200-min.en-US.css

user-account-core-e7c79916101ca5555200-min.en-US.css

100 ms

performance-8dd55a873a9d15e6c55c-min.en-US.js

performance-8dd55a873a9d15e6c55c-min.en-US.js

314 ms

site.css

site.css

90 ms

static.css

static.css

76 ms

site-bundle.dbf764432ad50bdbd4966eae7f5890aa.js

site-bundle.dbf764432ad50bdbd4966eae7f5890aa.js

75 ms

cornish-diving.png

cornish-diving.png

267 ms

point+1.jpg

point+1.jpg

194 ms

PADI_5STAR.jpg

PADI_5STAR.jpg

192 ms

point+4.jpg

point+4.jpg

196 ms

Accessibility Review

cornishdiving.co.uk accessibility score

93

Accessibility Issues

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

Buttons do not have an accessible name

Best Practices

cornishdiving.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cornishdiving.co.uk SEO score

97

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

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 Cornishdiving.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 Cornishdiving.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

cornishdiving.co.uk

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