5 sec in total
180 ms
4.5 sec
341 ms
Click here to check amazing Cave Diving Group content for United Kingdom. Otherwise, check out these important facts you probably never knew about cavedivinggroup.org.uk
Technical divers since 1946. The Cave Diving Group is the representative body for Cave Divers in Great Britain and Northern Ireland.
Visit cavedivinggroup.org.ukWe analyzed Cavedivinggroup.org.uk page load time and found that the first response time was 180 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
cavedivinggroup.org.uk performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value6.0 s
13/100
25%
Value10.6 s
7/100
10%
Value260 ms
83/100
30%
Value1.032
2/100
15%
Value10.2 s
25/100
10%
180 ms
1744 ms
168 ms
252 ms
283 ms
Our browser made a total of 141 requests to load all elements on the main page. We found that 94% of them (133 requests) were addressed to the original Cavedivinggroup.org.uk, 3% (4 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Cavedivinggroup.org.uk.
Page size can be reduced by 122.6 kB (9%)
1.4 MB
1.3 MB
In fact, the total size of Cavedivinggroup.org.uk main page is 1.4 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 843.0 kB which makes up the majority of the site volume.
Potential reduce by 104.0 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. 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 104.0 kB or 86% of the original size.
Potential reduce by 12.1 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. Cave Diving Group images are well optimized though.
Potential reduce by 1.6 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.
Potential reduce by 4.9 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. Cavedivinggroup.org.uk has all CSS files already compressed.
Number of requests can be reduced by 116 (89%)
130
14
The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cave Diving Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 103 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
cavedivinggroup.org.uk
180 ms
cavedivinggroup.org.uk
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cavedivinggroup.org.uk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
cavedivinggroup.org.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
cavedivinggroup.org.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cavedivinggroup.org.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 Cavedivinggroup.org.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.
cavedivinggroup.org.uk
Open Graph data is detected on the main page of Cave Diving Group. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: