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atlantisdiving.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

atlantisdiving.com

Page Load Speed

2 sec in total

First Response

217 ms

Resources Loaded

1.5 sec

Page Rendered

314 ms

atlantisdiving.com screenshot

About Website

Visit atlantisdiving.com now to see the best up-to-date Atlantisdiving content and also check out these interesting facts you probably never knew about atlantisdiving.com

Welcome to your dive store; Atlantis Watersports Curacao! After 28 years of diving we have decided to solely focus on our store and continue with selling only dive and snorkel gear in our new store at...

Visit atlantisdiving.com

Key Findings

We analyzed Atlantisdiving.com page load time and found that the first response time was 217 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

atlantisdiving.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.418

23/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

atlantisdiving.com

217 ms

atlantiscuracao.com

268 ms

font-awesome.min.css

17 ms

css

35 ms

style.min.css

267 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Atlantisdiving.com, 60% (21 requests) were made to Atlantiscuracao.com and 6% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (627 ms) relates to the external source Atlantiscuracao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.8 kB (9%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Atlantisdiving.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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 25.4 kB

  • Original 31.4 kB
  • After minification 29.8 kB
  • After compression 5.9 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 25.4 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 49.8 kB

  • Original 1.2 MB
  • After minification 1.1 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. Atlantisdiving images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 38.0 kB

  • Original 103.2 kB
  • After minification 103.2 kB
  • After compression 65.2 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 38.0 kB or 37% of the original size.

CSS Optimization

-9%

Potential reduce by 2.6 kB

  • Original 28.5 kB
  • After minification 28.5 kB
  • After compression 25.9 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. Atlantisdiving.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (60%)

Requests Now

30

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Atlantisdiving. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

atlantisdiving.com

atlantisdiving.com

217 ms

atlantiscuracao.com

atlantiscuracao.com

268 ms

font-awesome.min.css

font-awesome.min.css

17 ms

css

css

35 ms

style.min.css

style.min.css

267 ms

style.min.css

style.min.css

162 ms

modernizr.custom.js

modernizr.custom.js

172 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

6 ms

bootstrap.min.js

bootstrap.min.js

202 ms

jquery.appear.js

jquery.appear.js

191 ms

ie10mobile-viewport.js

ie10mobile-viewport.js

179 ms

animations.js

animations.js

240 ms

script.js

script.js

247 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

279 ms

jquery.cycle2.tile.js

jquery.cycle2.tile.js

283 ms

JumbotronSlides.js

JumbotronSlides.js

287 ms

conversion.js

conversion.js

42 ms

Stylesheet.css

Stylesheet.css

71 ms

analytics.js

analytics.js

106 ms

fbevents.js

fbevents.js

124 ms

atlantis-logo-2017.png

atlantis-logo-2017.png

182 ms

nl-NL.png

nl-NL.png

150 ms

P3120258.JPG

P3120258.JPG

487 ms

Scubapro_UPF__MG_7090_LR_FINAL.jpg

Scubapro_UPF__MG_7090_LR_FINAL.jpg

559 ms

Scubapro_UPF__MG_8190_LR_FINAL.jpg

Scubapro_UPF__MG_8190_LR_FINAL.jpg

627 ms

Scubapro_UPF__MG_2032_LR_FINAL.jpg

Scubapro_UPF__MG_2032_LR_FINAL.jpg

337 ms

coral-footer.png

coral-footer.png

221 ms

ZEPPIE_ENG.png

ZEPPIE_ENG.png

394 ms

78 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

47 ms

collect

collect

34 ms

1003917436353363

1003917436353363

190 ms

collect

collect

65 ms

66 ms

59 ms

Accessibility Review

atlantisdiving.com accessibility score

79

Accessibility Issues

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.

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

Best Practices

atlantisdiving.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

atlantisdiving.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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 Atlantisdiving.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 Atlantisdiving.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

atlantisdiving.com

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