Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

mail.dive-the-world.com

Diving Vacations & Scuba Travel - Liveaboard Tours & Dive Resorts

Page Load Speed

498 ms in total

First Response

60 ms

Resources Loaded

438 ms

Page Rendered

0 ms

mail.dive-the-world.com screenshot

About Website

Click here to check amazing Mail Dive Theworld content for Singapore. Otherwise, check out these important facts you probably never knew about mail.dive-the-world.com

Liveaboard tours, dive resorts, PADI courses and scuba day trips with Dive The World. Underwater vacation adventures in the top diving destinations worldwide

Visit mail.dive-the-world.com

Key Findings

We analyzed Mail.dive-the-world.com page load time and found that the first response time was 60 ms and then it took 438 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

mail.dive-the-world.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

95/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

mail.dive-the-world.com

60 ms

www.dive-the-world.com

234 ms

js

88 ms

gtm.js

112 ms

64px-WhatsApp_icon.png

112 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Mail.dive-the-world.com, 67% (10 requests) were made to Dive-the-world.com and 13% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (234 ms) relates to the external source Dive-the-world.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 138.3 kB (70%)

Content Size

196.2 kB

After Optimization

57.9 kB

In fact, the total size of Mail.dive-the-world.com main page is 196.2 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. Only 10% of websites need less resources to load. HTML takes 161.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 132.2 kB

  • Original 161.1 kB
  • After minification 132.6 kB
  • After compression 28.9 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. This page needs HTML code to be minified as it can gain 28.5 kB, which is 18% 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 132.2 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 4.5 kB

  • Original 32.5 kB
  • After minification 28.0 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. Obviously, Mail Dive Theworld needs image optimization as it can save up to 4.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 1.6 kB

  • Original 2.5 kB
  • After minification 2.5 kB
  • After compression 935 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.6 kB or 63% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mail Dive Theworld. According to our analytics all requests are already optimized.

Accessibility Review

mail.dive-the-world.com accessibility score

73

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

mail.dive-the-world.com best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

mail.dive-the-world.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

Links are not crawlable

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 Mail.dive-the-world.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 Mail.dive-the-world.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 description is not detected on the main page of Mail Dive Theworld. 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: