Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

aquarium.co.za

Two Oceans Aquarium | Explore, Experience and Engage

Page Load Speed

7 sec in total

First Response

518 ms

Resources Loaded

6.1 sec

Page Rendered

359 ms

About Website

Click here to check amazing Aquarium content for South Africa. Otherwise, check out these important facts you probably never knew about aquarium.co.za

Experience the incredible diversity of the Indian and Atlantic Oceans at one of Cape Town's top tourist attractions, the Two Oceans Aquarium.

Visit aquarium.co.za

Key Findings

We analyzed Aquarium.co.za page load time and found that the first response time was 518 ms and then it took 6.5 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

aquarium.co.za performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.384

27/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

aquarium.co.za

518 ms

www.aquarium.co.za

1683 ms

style.1443015345.css

856 ms

vendors.1453275516.js

1300 ms

scripts.1453275516.js

432 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 78% of them (62 requests) were addressed to the original Aquarium.co.za, 9% (7 requests) were made to Google-analytics.com and 6% (5 requests) were made to D1r8nwhx3hja4v.cloudfront.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Aquarium.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 777.6 kB (27%)

Content Size

2.8 MB

After Optimization

2.1 MB

In fact, the total size of Aquarium.co.za main page is 2.8 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 73.3 kB

  • Original 95.6 kB
  • After minification 88.1 kB
  • After compression 22.3 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 73.3 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 20.0 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. Aquarium images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 513.4 kB

  • Original 732.8 kB
  • After minification 732.8 kB
  • After compression 219.5 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 513.4 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 170.8 kB

  • Original 208.3 kB
  • After minification 208.2 kB
  • After compression 37.5 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. Aquarium.co.za needs all CSS files to be minified and compressed as it can save up to 170.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (17%)

Requests Now

69

After Optimization

57

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aquarium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

aquarium.co.za accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

aquarium.co.za best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

aquarium.co.za SEO score

87

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 Aquarium.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 Aquarium.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 description is not detected on the main page of Aquarium. 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: