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c-divers.com screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

c-divers.com

C-Divers Central Scotland Dive Club - Learn to Scuba Dive in Scotland

Page Load Speed

10.2 sec in total

First Response

940 ms

Resources Loaded

8.3 sec

Page Rendered

1 sec

c-divers.com screenshot

About Website

Click here to check amazing C Divers content. Otherwise, check out these important facts you probably never knew about c-divers.com

Learn to Scuba Dive in Scotland with C-Divers, Central Scotland Dive Club. Affiliated with SAA/CMAS the Sub Aqua Association in the UK.

Visit c-divers.com

Key Findings

We analyzed C-divers.com page load time and found that the first response time was 940 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

c-divers.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value48.7 s

0/100

25%

SI (Speed Index)

Value43.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.471

18/100

15%

TTI (Time to Interactive)

Value40.4 s

0/100

10%

Network Requests Diagram

c-divers.com

940 ms

css

31 ms

style.min.css

334 ms

avia-merged-styles-389728e8cb6a41787e096e0f3aac5813---5f234a25d7286.css

495 ms

jquery.js

421 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 76% of them (51 requests) were addressed to the original C-divers.com, 7% (5 requests) were made to Fonts.gstatic.com and 7% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain C-divers.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 770.3 kB (10%)

Content Size

7.4 MB

After Optimization

6.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of C-divers.com main page is 7.4 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. 80% 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 6.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 284.4 kB

  • Original 319.5 kB
  • After minification 316.4 kB
  • After compression 35.0 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 284.4 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 38.6 kB

  • Original 6.3 MB
  • After minification 6.3 MB

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. C Divers images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 107.8 kB

  • Original 386.8 kB
  • After minification 386.3 kB
  • After compression 279.0 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 107.8 kB or 28% of the original size.

CSS Optimization

-80%

Potential reduce by 339.5 kB

  • Original 425.9 kB
  • After minification 418.9 kB
  • After compression 86.4 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. C-divers.com needs all CSS files to be minified and compressed as it can save up to 339.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (32%)

Requests Now

60

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C Divers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

c-divers.com

c-divers.com

940 ms

css

css

31 ms

style.min.css

style.min.css

334 ms

avia-merged-styles-389728e8cb6a41787e096e0f3aac5813---5f234a25d7286.css

avia-merged-styles-389728e8cb6a41787e096e0f3aac5813---5f234a25d7286.css

495 ms

jquery.js

jquery.js

421 ms

jquery-migrate.min.js

jquery-migrate.min.js

332 ms

wp-embed.min.js

wp-embed.min.js

329 ms

layerslider.utils.js

layerslider.utils.js

485 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

815 ms

layerslider.transitions.js

layerslider.transitions.js

654 ms

avia-footer-scripts-1a00c79759fc995f99edae856c62de4e---5f234a26b7830.js

avia-footer-scripts-1a00c79759fc995f99edae856c62de4e---5f234a26b7830.js

814 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

704 ms

C-DiversCentral_Scotland_Dive_Club_340x156px.png

C-DiversCentral_Scotland_Dive_Club_340x156px.png

517 ms

Diving_Composite_01_1500x500px.jpg

Diving_Composite_01_1500x500px.jpg

615 ms

C-DIVERS_Name_White_500px.png

C-DIVERS_Name_White_500px.png

518 ms

Pool_Training_to_Open_Water_1500x500px.jpg

Pool_Training_to_Open_Water_1500x500px.jpg

849 ms

Dollan_Aqua_Centre_01_1500x500px.jpg

Dollan_Aqua_Centre_01_1500x500px.jpg

905 ms

Loch_Fyne_St_Catherines_01_1500x500px.jpg

Loch_Fyne_St_Catherines_01_1500x500px.jpg

797 ms

Loch_Fyne_Anchor_Point_01_1500x500px.jpg

Loch_Fyne_Anchor_Point_01_1500x500px.jpg

1113 ms

Loch_Fyne_Carrick_Castle_01_1500x500px.jpg

Loch_Fyne_Carrick_Castle_01_1500x500px.jpg

1088 ms

Loch_Leven_The_Slates_01_1500x500px.jpg

Loch_Leven_The_Slates_01_1500x500px.jpg

1182 ms

Loch_Long_A-Frames_02_1500x500px.jpg

Loch_Long_A-Frames_02_1500x500px.jpg

1340 ms

Cuckoo_Wrasse_01_1500x500px.jpg

Cuckoo_Wrasse_01_1500x500px.jpg

1426 ms

Squat_Lobster_Galathea_strigosa_01_1500x500px.jpg

Squat_Lobster_Galathea_strigosa_01_1500x500px.jpg

1586 ms

Sea_Loch_Anemone_02_1500x500px.jpg

Sea_Loch_Anemone_02_1500x500px.jpg

1661 ms

Red_Cushion_Star_and_Jewel_Anemones_01_1500x500px.jpg

Red_Cushion_Star_and_Jewel_Anemones_01_1500x500px.jpg

1773 ms

Peacock_Worm_01_1500x500px.jpg

Peacock_Worm_01_1500x500px.jpg

1773 ms

Spiny_Starfish_01_1500x500px.jpg

Spiny_Starfish_01_1500x500px.jpg

1933 ms

Sea_Squirts_and_Anemones_01_1500x500px.jpg

Sea_Squirts_and_Anemones_01_1500x500px.jpg

2135 ms

Hydroid_01_1500x500px.jpg

Hydroid_01_1500x500px.jpg

2222 ms

Devonshire_Cup_Coral_02_1500x500px.jpg

Devonshire_Cup_Coral_02_1500x500px.jpg

2247 ms

Long-spined_Sea_Scorpion_01_1500x500px.jpg

Long-spined_Sea_Scorpion_01_1500x500px.jpg

2417 ms

Goldsinny_02_1500x500px.jpg

Goldsinny_02_1500x500px.jpg

2415 ms

Common_Prawn_01_1500x500px.jpg

Common_Prawn_01_1500x500px.jpg

2535 ms

Conger_Eel_01_1500x500px.jpg

Conger_Eel_01_1500x500px.jpg

2727 ms

Under-the-Sea.png

Under-the-Sea.png

3181 ms

C-Divers_Scotland_SAA.png

C-Divers_Scotland_SAA.png

2798 ms

Water_Background_01_1500x500px.jpg

Water_Background_01_1500x500px.jpg

3078 ms

Red_Cushion_Star_Small_01.png

Red_Cushion_Star_Small_01.png

2782 ms

Dollan_Aqua_Centre_Selection_500px_01.png

Dollan_Aqua_Centre_Selection_500px_01.png

3024 ms

Open_Water_03_500px.png

Open_Water_03_500px.png

3342 ms

Hermit_Crab_01_1500x1500px.jpg

Hermit_Crab_01_1500x1500px.jpg

3438 ms

Cuckoo_Wrasse_01_1500x1500px.jpg

Cuckoo_Wrasse_01_1500x1500px.jpg

3358 ms

Lightbulb_Sea_Squirts_01_1500x1500px.jpg

Lightbulb_Sea_Squirts_01_1500x1500px.jpg

3568 ms

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff1GhDuXMQg.ttf

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff1GhDuXMQg.ttf

17 ms

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuXMQg.ttf

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuXMQg.ttf

30 ms

entypo-fontello.woff

entypo-fontello.woff

3456 ms

Sea_Cucumber_01_1500x1500px.jpg

Sea_Cucumber_01_1500x1500px.jpg

3628 ms

Deadmens_Fingers_01_1500x1500px.jpg

Deadmens_Fingers_01_1500x1500px.jpg

3757 ms

Moon_Jellyfish_01_1500x1500px.jpg

Moon_Jellyfish_01_1500x1500px.jpg

3744 ms

js

js

206 ms

skin.css

skin.css

3281 ms

avia_google_recaptcha_api.js

avia_google_recaptcha_api.js

3360 ms

Jewel_Anemones_01_1500x1500px.jpg

Jewel_Anemones_01_1500x1500px.jpg

3716 ms

Plumose_Anemones_01_1500x1500px.jpg

Plumose_Anemones_01_1500x1500px.jpg

3649 ms

api.js

api.js

43 ms

recaptcha__en.js

recaptcha__en.js

28 ms

anchor

anchor

34 ms

styles__ltr.css

styles__ltr.css

12 ms

recaptcha__en.js

recaptcha__en.js

21 ms

PSKopaksc4v0TeE9MSufUBd6uLsTLN3_1JKIESb4JYg.js

PSKopaksc4v0TeE9MSufUBd6uLsTLN3_1JKIESb4JYg.js

47 ms

webworker.js

webworker.js

45 ms

logo_48.png

logo_48.png

37 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

12 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

54 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

57 ms

recaptcha__en.js

recaptcha__en.js

47 ms

Accessibility Review

c-divers.com accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

c-divers.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

c-divers.com SEO score

83

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

High

Image elements do not have [alt] attributes

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 C-divers.com 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 C-divers.com 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

c-divers.com

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