Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

sharkzone.co.za

Shark Cage Diving Gansbaai | Cage Diving False Bay | Shark Zone

Page Load Speed

13.6 sec in total

First Response

2.6 sec

Resources Loaded

10.8 sec

Page Rendered

237 ms

About Website

Welcome to sharkzone.co.za homepage info - get ready to check Shark Zone best content for South Africa right away, or after learning these important things about sharkzone.co.za

Shark Zone offers a number of exciting shark cage diving opportunities including Great White Shark cage diving, shark diving Ganbsaai & shark diving Cape Town.

Visit sharkzone.co.za

Key Findings

We analyzed Sharkzone.co.za page load time and found that the first response time was 2.6 sec and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sharkzone.co.za performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value18.8 s

0/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.245

51/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

www.sharkzone.co.za

2571 ms

js

87 ms

wp-emoji-release.min.js

593 ms

style.min.css

911 ms

awesome-weather.css

917 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 75% of them (50 requests) were addressed to the original Sharkzone.co.za, 4% (3 requests) were made to Googletagmanager.com and 4% (3 requests) were made to Sharkzone.focusonlinetravel.co.za. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Sharkzone.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.9 kB (5%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sharkzone.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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 49.2 kB

  • Original 62.9 kB
  • After minification 58.4 kB
  • After compression 13.7 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 49.2 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 17.4 kB

  • Original 1.3 MB
  • After minification 1.3 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. Shark Zone images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 3.4 kB

  • Original 127.9 kB
  • After minification 127.9 kB
  • After compression 124.6 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

-9%

Potential reduce by 4.0 kB

  • Original 47.5 kB
  • After minification 47.1 kB
  • After compression 43.5 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. Sharkzone.co.za has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (56%)

Requests Now

59

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shark Zone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sharkzone.co.za accessibility score

82

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sharkzone.co.za best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sharkzone.co.za SEO score

70

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

High

robots.txt is not valid

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 Sharkzone.co.za 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 Sharkzone.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

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