Tools & Wizards About Us
abcdiving.com screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

abcdiving.com

ABC Diving Ltd: Occupational Diving Jobs & Underwater Works Applications

Page Load Speed

1.2 sec in total

First Response

169 ms

Resources Loaded

753 ms

Page Rendered

300 ms

abcdiving.com screenshot

About Website

Click here to check amazing ABC Diving content. Otherwise, check out these important facts you probably never knew about abcdiving.com

Marine Works, Salvage and Underwater Solutions from Vanuatu throughout Pacific Islands. Travaux sous-marins.　潜水作業 太平洋エリア　太平洋戦争難破船、調査＆流出油防除

Visit abcdiving.com

Key Findings

We analyzed Abcdiving.com page load time and found that the first response time was 169 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

abcdiving.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

79/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

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)

Value2.1 s

99/100

10%

Network Requests Diagram

abcdiving.com

169 ms

www.abcdiving.com

137 ms

www.abcdiving.com

142 ms

basic.css

108 ms

torching.gif

24 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Abcdiving.com and no external sources were called. The less responsive or slowest element that took the longest time to load (303 ms) belongs to the original domain Abcdiving.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.1 kB (3%)

Content Size

877.2 kB

After Optimization

848.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Abcdiving.com main page is 877.2 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. 30% of websites need less resources to load. Images take 859.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 12.7 kB

  • Original 17.5 kB
  • After minification 15.0 kB
  • After compression 4.8 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 2.5 kB, which is 14% 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 12.7 kB or 72% of the original size.

Image Optimization

-2%

Potential reduce by 16.4 kB

  • Original 859.0 kB
  • After minification 842.6 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. ABC Diving images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 17 B

  • Original 655 B
  • After minification 655 B
  • After compression 638 B

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

-0%

Potential reduce by 0 B

  • Original 65 B

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.

Requests Breakdown

We found no issues to fix!

Requests Now

25

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ABC Diving. According to our analytics all requests are already optimized.

Network Requests Diagram

abcdiving.com

abcdiving.com

169 ms

www.abcdiving.com

www.abcdiving.com

137 ms

www.abcdiving.com

www.abcdiving.com

142 ms

basic.css

basic.css

108 ms

torching.gif

torching.gif

24 ms

brightspark.gif

brightspark.gif

142 ms

email-decode.min.js

email-decode.min.js

12 ms

exlamation.gif

exlamation.gif

120 ms

Chancelogo.jpg

Chancelogo.jpg

22 ms

hubbellogo.jpg

hubbellogo.jpg

121 ms

logoMRgd.gif

logoMRgd.gif

30 ms

logoSR.gif

logoSR.gif

31 ms

SWVlogo.jpg

SWVlogo.jpg

43 ms

Scaph.gif

Scaph.gif

41 ms

IMG_0343.jpg

IMG_0343.jpg

54 ms

lt801-sternside.jpg

lt801-sternside.jpg

54 ms

lt801stern.jpg

lt801stern.jpg

68 ms

IMG_9322.jpg

IMG_9322.jpg

67 ms

IMG_9323.jpg

IMG_9323.jpg

87 ms

IMG_9344.jpg

IMG_9344.jpg

79 ms

KM37SS-Weld-kit-copy.jpg

KM37SS-Weld-kit-copy.jpg

90 ms

IMG_4986bis.jpg

IMG_4986bis.jpg

100 ms

CCTV-Survey.jpg

CCTV-Survey.jpg

107 ms

RJM_7006.jpg

RJM_7006.jpg

110 ms

Patching2.jpg

Patching2.jpg

303 ms

Patching1.jpg

Patching1.jpg

116 ms

thermicrodL.gif

thermicrodL.gif

122 ms

Wet-Welding1.jpg

Wet-Welding1.jpg

140 ms

Accessibility Review

abcdiving.com accessibility score

44

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

abcdiving.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

abcdiving.com 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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Abcdiving.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Abcdiving.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

abcdiving.com

Open Graph description is not detected on the main page of ABC 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: