Tools & Wizards About Us
sealinkrottnest.com.au screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

sealinkrottnest.com.au

Book your Rottnest Island ferry | SeaLink Rottnest Island

Page Load Speed

26.9 sec in total

First Response

2 sec

Resources Loaded

24.5 sec

Page Rendered

383 ms

sealinkrottnest.com.au screenshot

About Website

Welcome to sealinkrottnest.com.au homepage info - get ready to check Sea Link Rottnest best content for Australia right away, or after learning these important things about sealinkrottnest.com.au

SeaLink Rottnest Island is the safest and most reliable ferry service to Rottnest Island. Book tours, experiences and accommodation on Rotto with SeaLink…

Visit sealinkrottnest.com.au

Key Findings

We analyzed Sealinkrottnest.com.au page load time and found that the first response time was 2 sec and then it took 24.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sealinkrottnest.com.au performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value34.7 s

0/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value28,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value37.2 s

0/100

10%

Network Requests Diagram

www.sealinkrottnest.com.au

2048 ms

gtm.js

105 ms

ad9f552fd255c5d348748ac8ad8600cdf91e3413.css

1386 ms

webfont.js

69 ms

jquery.min.js

74 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 16% of them (11 requests) were addressed to the original Sealinkrottnest.com.au, 12% (8 requests) were made to Assets.sealink.com.au and 7% (5 requests) were made to Js.api.here.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Tripadvisor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.4 kB (11%)

Content Size

711.1 kB

After Optimization

635.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sealinkrottnest.com.au main page is 711.1 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. 70% of websites need less resources to load. Images take 380.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 67.6 kB

  • Original 83.3 kB
  • After minification 74.5 kB
  • After compression 15.7 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 67.6 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 5.4 kB

  • Original 380.9 kB
  • After minification 375.6 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. Sea Link Rottnest images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 243.8 kB
  • After minification 243.8 kB
  • After compression 242.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-30%

Potential reduce by 910 B

  • Original 3.0 kB
  • After minification 3.0 kB
  • After compression 2.1 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. Sealinkrottnest.com.au needs all CSS files to be minified and compressed as it can save up to 910 B or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (64%)

Requests Now

59

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sea Link Rottnest. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sealinkrottnest.com.au

www.sealinkrottnest.com.au

2048 ms

gtm.js

gtm.js

105 ms

ad9f552fd255c5d348748ac8ad8600cdf91e3413.css

ad9f552fd255c5d348748ac8ad8600cdf91e3413.css

1386 ms

webfont.js

webfont.js

69 ms

jquery.min.js

jquery.min.js

74 ms

jquery-migrate-3.3.1.min.js

jquery-migrate-3.3.1.min.js

66 ms

copypastesubscribeformlogic.js

copypastesubscribeformlogic.js

71 ms

runtime.20fbef32dc41a3aa7699-packed.js

runtime.20fbef32dc41a3aa7699-packed.js

79 ms

vendor.e4c85346fcdfc03a46d0-packed.js

vendor.e4c85346fcdfc03a46d0-packed.js

130 ms

core.444086eb90fc411c0c85-packed.js

core.444086eb90fc411c0c85-packed.js

131 ms

2f54328ee425841ae29cbc27de03648d967ddd49.js

2f54328ee425841ae29cbc27de03648d967ddd49.js

1810 ms

8b4e58b5c35a2e19879e7efc408fc80d976463bf.js

8b4e58b5c35a2e19879e7efc408fc80d976463bf.js

964 ms

mapsjs-ui.css

mapsjs-ui.css

65 ms

mapsjs-core.js

mapsjs-core.js

70 ms

mapsjs-service.js

mapsjs-service.js

58 ms

mapsjs-ui.js

mapsjs-ui.js

57 ms

mapsjs-mapevents.js

mapsjs-mapevents.js

57 ms

analytics.js

analytics.js

50 ms

hotjar-651374.js

hotjar-651374.js

151 ms

conversion_async.js

conversion_async.js

76 ms

pixel.js

pixel.js

61 ms

core.js

core.js

155 ms

bat.js

bat.js

134 ms

js

js

60 ms

collect

collect

14 ms

collect

collect

95 ms

rp.gif

rp.gif

104 ms

rp.gif

rp.gif

102 ms

135 ms

modules.cbd9768ba80ba0be5b17.js

modules.cbd9768ba80ba0be5b17.js

26 ms

ga-audiences

ga-audiences

59 ms

main.3a217bc7.js

main.3a217bc7.js

52 ms

19 ms

SeaLink_Rottnest_Island_Logo-Brilliant_signoff.svg

SeaLink_Rottnest_Island_Logo-Brilliant_signoff.svg

238 ms

alert-icon.png

alert-icon.png

901 ms

squares_overlay.png

squares_overlay.png

1031 ms

luggage-bike.png

luggage-bike.png

944 ms

part-bt-family-logo.svg

part-bt-family-logo.svg

1313 ms

black-80.png

black-80.png

936 ms

css

css

61 ms

107539.jpg

107539.jpg

211 ms

BOT-Pete-Murray-Rotto-1080x1080.jpg

BOT-Pete-Murray-Rotto-1080x1080.jpg

181 ms

DJI_0174.MP4.00_03_57_18.Still001.jpg

DJI_0174.MP4.00_03_57_18.Still001.jpg

218 ms

dad-daughter.jpg

dad-daughter.jpg

178 ms

Quokka-3.jpg

Quokka-3.jpg

181 ms

Samphire-Beach-Club.jpg

Samphire-Beach-Club.jpg

206 ms

SeaLink-Rottnest-Island-Ferry_210806_112652.jpg

SeaLink-Rottnest-Island-Ferry_210806_112652.jpg

258 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

92 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

107 ms

m.js

m.js

113 ms

fbevents.js

fbevents.js

87 ms

events.js

events.js

147 ms

jizaRExUiTo99u79D0KEwA.ttf

jizaRExUiTo99u79D0KEwA.ttf

78 ms

jizfRExUiTo99u79B_mh0O6tKA.ttf

jizfRExUiTo99u79B_mh0O6tKA.ttf

86 ms

1160012977385506

1160012977385506

147 ms

100 ms

203 ms

Stacked_TA_logo.png

Stacked_TA_logo.png

203 ms

get-loader.js

get-loader.js

302 ms

cbar.js.php

cbar.js.php

284 ms

ping.min.js

ping.min.js

212 ms

login_header_details

login_header_details

1038 ms

summary.json

summary.json

912 ms

font-awesome.min.css

font-awesome.min.css

94 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

81 ms

visit-data

visit-data

410 ms

wejs

wejs

20217 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

8 ms

my-wisepop

my-wisepop

77 ms

Accessibility Review

sealinkrottnest.com.au accessibility score

89

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sealinkrottnest.com.au 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sealinkrottnest.com.au SEO score

76

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

High

robots.txt is not valid

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 Sealinkrottnest.com.au 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 Sealinkrottnest.com.au 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

sealinkrottnest.com.au

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