Tools & Wizards About Us
adventurescubaschool.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

adventurescubaschool.com

Adventure Scuba School | St Thomas Scuba and Snorkel Adventures

Page Load Speed

3.8 sec in total

First Response

51 ms

Resources Loaded

1.3 sec

Page Rendered

2.4 sec

adventurescubaschool.com screenshot

About Website

Welcome to adventurescubaschool.com homepage info - get ready to check Adventure Scuba School best content right away, or after learning these important things about adventurescubaschool.com

Adventure Scuba School is committed to safety and fun on our scuba diving or snorkeling experiences! Book today with the finest crew and equipment in St Thomas!

Visit adventurescubaschool.com

Key Findings

We analyzed Adventurescubaschool.com page load time and found that the first response time was 51 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

adventurescubaschool.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value3,910 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

adventurescubaschool.com

51 ms

113 ms

sbi-styles.min.css

105 ms

email-decode.min.js

22 ms

307 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 39% of them (15 requests) were addressed to the original Adventurescubaschool.com, 13% (5 requests) were made to Fh-sites.imgix.net and 13% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (755 ms) belongs to the original domain Adventurescubaschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.9 kB (12%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adventurescubaschool.com main page is 1.3 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 821.5 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 103.7 kB

  • Original 145.4 kB
  • After minification 145.3 kB
  • After compression 41.7 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 103.7 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 664 B

  • Original 821.5 kB
  • After minification 820.9 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. Adventure Scuba School images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 40.5 kB

  • Original 216.3 kB
  • After minification 216.3 kB
  • After compression 175.8 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 40.5 kB or 19% of the original size.

CSS Optimization

-0%

Potential reduce by 36 B

  • Original 70.1 kB
  • After minification 70.1 kB
  • After compression 70.1 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. Adventurescubaschool.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (44%)

Requests Now

27

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adventure Scuba School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

adventurescubaschool.com

adventurescubaschool.com

51 ms

113 ms

sbi-styles.min.css

sbi-styles.min.css

105 ms

email-decode.min.js

email-decode.min.js

22 ms

307 ms

jquery.min.js

jquery.min.js

31 ms

scripts.php

scripts.php

215 ms

ix6r3vuhat

ix6r3vuhat

82 ms

mixpanel-2-latest.min.js

mixpanel-2-latest.min.js

64 ms

shifaaz-shamoon-sLAk1guBG90-unsplash-scaled.jpg

shifaaz-shamoon-sLAk1guBG90-unsplash-scaled.jpg

168 ms

Wpd9zArFZHI

Wpd9zArFZHI

228 ms

adventure-scuba-school-logo.png

adventure-scuba-school-logo.png

141 ms

Snorkel-or-Ride-Along-Tour-image-1.jpg

Snorkel-or-Ride-Along-Tour-image-1.jpg

141 ms

Snorkeling-image-1.jpg

Snorkeling-image-1.jpg

138 ms

about-us.png

about-us.png

136 ms

sbi-sprite.png

sbi-sprite.png

215 ms

141 ms

566 ms

565 ms

706 ms

704 ms

704 ms

704 ms

755 ms

clarity.js

clarity.js

18 ms

www-player.css

www-player.css

8 ms

www-embed-player.js

www-embed-player.js

88 ms

base.js

base.js

125 ms

ad_status.js

ad_status.js

377 ms

Hg8RJ6IYDEt2XfeS9TTatHSj5NgA1bkUUg8jx44YVvw.js

Hg8RJ6IYDEt2XfeS9TTatHSj5NgA1bkUUg8jx44YVvw.js

153 ms

embed.js

embed.js

55 ms

main.js

main.js

50 ms

id

id

161 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

176 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

177 ms

Create

Create

131 ms

GenerateIT

GenerateIT

15 ms

c.gif

c.gif

7 ms

Accessibility Review

adventurescubaschool.com accessibility score

91

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-*] attributes do not match their roles

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.

Best Practices

adventurescubaschool.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

adventurescubaschool.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

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Adventurescubaschool.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 Adventurescubaschool.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

adventurescubaschool.com

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