Tools & Wizards About Us
2dive4.co.za screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

2dive4.co.za

Scuba Diving Courses, Scuba Equipment and Scuba Diving Lessons. Scuba Gear at low prices and join the Scuba Club

Page Load Speed

4.9 sec in total

First Response

898 ms

Resources Loaded

3.8 sec

Page Rendered

197 ms

2dive4.co.za screenshot

About Website

Visit 2dive4.co.za now to see the best up-to-date 2 Dive 4 content and also check out these interesting facts you probably never knew about 2dive4.co.za

SCUBA DIVING COURSES FROM R1990 SAVE R600. Scuba Diving Course includes: course material, use of all scuba gear incl wetsuits etc Scuba diving lessons for the whole family as well as scuba diving equi...

Visit 2dive4.co.za

Key Findings

We analyzed 2dive4.co.za page load time and found that the first response time was 898 ms and then it took 4 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

2dive4.co.za performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

2dive4.co.za

898 ms

2dive4.css

322 ms

jquery.mCustomScrollbar.css

629 ms

json2.js

17 ms

jquery-latest.min.js

6 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 81% of them (17 requests) were addressed to the original 2dive4.co.za, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain 2dive4.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.1 kB (4%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 2dive4.co.za main page is 1.5 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. 25% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 10.7 kB

  • Original 15.0 kB
  • After minification 13.3 kB
  • After compression 4.3 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. This page needs HTML code to be minified as it can gain 1.7 kB, which is 11% 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 10.7 kB or 71% of the original size.

Image Optimization

-3%

Potential reduce by 45.9 kB

  • Original 1.4 MB
  • After minification 1.4 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. 2 Dive 4 images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 4.6 kB

  • Original 33.0 kB
  • After minification 33.0 kB
  • After compression 28.3 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 4.6 kB or 14% of the original size.

CSS Optimization

-15%

Potential reduce by 839 B

  • Original 5.6 kB
  • After minification 5.6 kB
  • After compression 4.8 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. 2dive4.co.za needs all CSS files to be minified and compressed as it can save up to 839 B or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (25%)

Requests Now

20

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 2 Dive 4. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

2dive4.co.za

2dive4.co.za

898 ms

2dive4.css

2dive4.css

322 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

629 ms

json2.js

json2.js

17 ms

jquery-latest.min.js

jquery-latest.min.js

6 ms

jstorage.js

jstorage.js

643 ms

2dive4.js

2dive4.js

646 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

652 ms

cart-bg.png

cart-bg.png

328 ms

close-btn.png

close-btn.png

327 ms

logo-white.png

logo-white.png

320 ms

scuba.jpg

scuba.jpg

1890 ms

gear.jpg

gear.jpg

1601 ms

trips.jpg

trips.jpg

2225 ms

gallery.jpg

gallery.jpg

2198 ms

contact.jpg

contact.jpg

1894 ms

logo-grey.png

logo-grey.png

647 ms

fb-logo.png

fb-logo.png

969 ms

twitter-logo.png

twitter-logo.png

1291 ms

ga.js

ga.js

21 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

2dive4.co.za accessibility score

70

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

2dive4.co.za 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

SEO Factors

2dive4.co.za SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 2dive4.co.za can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 2dive4.co.za 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

2dive4.co.za

Open Graph description is not detected on the main page of 2 Dive 4. 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: