Tools & Wizards About Us

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

ukdiving.co.uk

The worlds largest internet resource for divers - UK Diving

Page Load Speed

20.5 sec in total

First Response

113 ms

Resources Loaded

20.3 sec

Page Rendered

174 ms

About Website

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

UK Diving - The worlds largest internet resource for divers, Diving and Scuba Diving resource UK, used kit , Wreck Database, find a buddy, World Dives, news, forums, reviews.

Visit ukdiving.co.uk

Key Findings

We analyzed Ukdiving.co.uk page load time and found that the first response time was 113 ms and then it took 20.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ukdiving.co.uk performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

ukdiving.co.uk

113 ms

core.css

46 ms

jsapi

11 ms

jquery.min.js

10 ms

jquery.scrollTo-min.js

115 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 84% of them (31 requests) were addressed to the original Ukdiving.co.uk, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Ukdiving-ad.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.6 kB (8%)

Content Size

279.2 kB

After Optimization

257.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ukdiving.co.uk main page is 279.2 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. 35% of websites need less resources to load. Images take 138.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 12.3 kB

  • Original 16.1 kB
  • After minification 12.8 kB
  • After compression 3.8 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. This page needs HTML code to be minified as it can gain 3.3 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 12.3 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 5.5 kB

  • Original 138.8 kB
  • After minification 133.2 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. UK Diving images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.4 kB

  • Original 116.8 kB
  • After minification 116.7 kB
  • After compression 114.3 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.

CSS Optimization

-18%

Potential reduce by 1.4 kB

  • Original 7.7 kB
  • After minification 7.7 kB
  • After compression 6.3 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. Ukdiving.co.uk needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (38%)

Requests Now

34

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UK 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 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ukdiving.co.uk accessibility score

100

Accessibility Issues

Best Practices

ukdiving.co.uk 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

High

Browser errors were logged to the console

SEO Factors

ukdiving.co.uk 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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Ukdiving.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 Ukdiving.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 UK 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: