Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

divementor.org

Dive Mentor : Scuba Training, Summer Programs & Study Abroad

Page Load Speed

7.7 sec in total

First Response

1.6 sec

Resources Loaded

5.2 sec

Page Rendered

831 ms

divementor.org screenshot

About Website

Visit divementor.org now to see the best up-to-date Dive Mentor content and also check out these interesting facts you probably never knew about divementor.org

Be encouraged, inspired, and immerse yourself in personal discovery during a training program, adventure abroad, or summer camp.

Visit divementor.org

Key Findings

We analyzed Divementor.org page load time and found that the first response time was 1.6 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

divementor.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value20.7 s

0/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value4,950 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value33.3 s

0/100

10%

Network Requests Diagram

www.divementor.org

1606 ms

sbi-styles.min.css

54 ms

placeholders.css

43 ms

frontend.min.css

68 ms

flatpickr.min.css

49 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 74% of them (114 requests) were addressed to the original Divementor.org, 6% (10 requests) were made to Youtube.com and 2% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Divementor.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.8 kB (8%)

Content Size

2.6 MB

After Optimization

2.4 MB

In fact, the total size of Divementor.org main page is 2.6 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. Only a small number of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 163.9 kB

  • Original 198.3 kB
  • After minification 194.1 kB
  • After compression 34.4 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 163.9 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 28.7 kB

  • Original 2.1 MB
  • After minification 2.1 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. Dive Mentor images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.2 kB

  • Original 220.3 kB
  • After minification 220.3 kB
  • After compression 217.1 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 0 B

  • Original 59.9 kB
  • After minification 59.9 kB
  • After compression 59.9 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. Divementor.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 121 (86%)

Requests Now

141

After Optimization

20

The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dive Mentor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 110 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

divementor.org accessibility score

85

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

divementor.org best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

divementor.org SEO score

79

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

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

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 Divementor.org 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 Divementor.org 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 Dive Mentor. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: