Tools & Wizards About Us
cardiffbsac.org screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

cardiffbsac.org

Cardiff BSAC - the Cardiff branch of the British Sub-Aqua Club

Page Load Speed

949 ms in total

First Response

267 ms

Resources Loaded

614 ms

Page Rendered

68 ms

cardiffbsac.org screenshot

About Website

Welcome to cardiffbsac.org homepage info - get ready to check Cardiff BSAC best content right away, or after learning these important things about cardiffbsac.org

Cardiff BSAC - welcome to the underwater world of Cardiff BSAC the scuba diving club for UK divers living in and around Cardiff. As a branch of the British Sub Aqua Club we have been training divers f...

Visit cardiffbsac.org

Key Findings

We analyzed Cardiffbsac.org page load time and found that the first response time was 267 ms and then it took 682 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster. This domain responded with an error, which can significantly jeopardize Cardiffbsac.org rating and web reputation

Performance Metrics

cardiffbsac.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

99/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

cardiffbsac.org

267 ms

bsac6.css

342 ms

diver4.gif

345 ms

apache.gif

344 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Cardiffbsac.org and no external sources were called. The less responsive or slowest element that took the longest time to load (345 ms) belongs to the original domain Cardiffbsac.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 607.5 kB (48%)

Content Size

1.3 MB

After Optimization

662.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cardiffbsac.org main page is 1.3 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 698 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 661 B

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 698 B or 51% of the original size.

Image Optimization

-49%

Potential reduce by 605.3 kB

  • Original 1.2 MB
  • After minification 628.5 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. Obviously, Cardiff BSAC needs image optimization as it can save up to 605.3 kB or 49% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 602 B

  • Original 31.1 kB
  • After minification 31.1 kB
  • After compression 30.5 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

-23%

Potential reduce by 882 B

  • Original 3.8 kB
  • After minification 3.8 kB
  • After compression 2.9 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. Cardiffbsac.org needs all CSS files to be minified and compressed as it can save up to 882 B or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

cardiffbsac.org

cardiffbsac.org

267 ms

bsac6.css

bsac6.css

342 ms

diver4.gif

diver4.gif

345 ms

apache.gif

apache.gif

344 ms

Accessibility Review

cardiffbsac.org accessibility score

100

Accessibility Issues

Best Practices

cardiffbsac.org 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cardiffbsac.org SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cardiffbsac.org 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 Cardiffbsac.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cardiffbsac.org

Open Graph description is not detected on the main page of Cardiff BSAC. 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: