Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dolphindiveathens.com

Dolphin Dive Center > Your source for recreational adventure.

Page Load Speed

2.1 sec in total

First Response

131 ms

Resources Loaded

1.5 sec

Page Rendered

441 ms

dolphindiveathens.com screenshot

About Website

Welcome to dolphindiveathens.com homepage info - get ready to check Dolphin Dive Athens best content right away, or after learning these important things about dolphindiveathens.com

A SSI (Scuba School International) certified training center featuring equipment, maintenance, or travel we are the source for your next recreational adventure!

Visit dolphindiveathens.com

Key Findings

We analyzed Dolphindiveathens.com page load time and found that the first response time was 131 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

dolphindiveathens.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

dolphindiveathens.com

131 ms

dolphindiveathens.com

246 ms

autoptimize_72e506f0cc47ff91193d4fc5d8c1a0f0.css

122 ms

font-awesome.min.css

39 ms

css

44 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 39% of them (13 requests) were addressed to the original Dolphindiveathens.com, 24% (8 requests) were made to Fonts.gstatic.com and 18% (6 requests) were made to Sp-ao.shortpixel.ai. The less responsive or slowest element that took the longest time to load (964 ms) relates to the external source Sp-ao.shortpixel.ai.

Page Optimization Overview & Recommendations

Page size can be reduced by 67.7 kB (3%)

Content Size

2.1 MB

After Optimization

2.1 MB

In fact, the total size of Dolphindiveathens.com main page is 2.1 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. 50% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 53.2 kB

  • Original 64.5 kB
  • After minification 64.3 kB
  • After compression 11.3 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 53.2 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 13.9 kB

  • Original 1.8 MB
  • After minification 1.8 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. Dolphin Dive Athens images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 73 B

  • Original 161.8 kB
  • After minification 161.8 kB
  • After compression 161.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 510 B

  • Original 105.8 kB
  • After minification 105.8 kB
  • After compression 105.2 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. Dolphindiveathens.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (57%)

Requests Now

21

After Optimization

9

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dolphin Dive Athens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dolphindiveathens.com accessibility score

90

Accessibility Issues

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

Buttons do not have an accessible name

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

Best Practices

dolphindiveathens.com best practices score

83

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dolphindiveathens.com SEO score

91

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

    UTF-8

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

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