Tools & Wizards About Us
sealink.co.nz screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sealink.co.nz

Car & Passenger Ferry to Waiheke & Great Barrier Island - SeaLink

Page Load Speed

5.6 sec in total

First Response

1.2 sec

Resources Loaded

4.1 sec

Page Rendered

289 ms

sealink.co.nz screenshot

About Website

Welcome to sealink.co.nz homepage info - get ready to check Sea Link best content for New Zealand right away, or after learning these important things about sealink.co.nz

Take Auckland's only car ferry to Waiheke, Great Barrier, or Rakino or our fast ferry to Pine Harbour. Start planning your ferry trip with SeaLink today.

Visit sealink.co.nz

Key Findings

We analyzed Sealink.co.nz page load time and found that the first response time was 1.2 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sealink.co.nz performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

sealink.co.nz

1238 ms

template.css

513 ms

template-responsive.css

588 ms

analytics.js

23 ms

body-background.jpg

450 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 Sealink.co.nz, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Rum-static.pingdom.net. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Sealink.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.5 kB (28%)

Content Size

1.9 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sealink.co.nz main page is 1.9 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. 20% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 9.0 kB

  • Original 11.3 kB
  • After minification 7.7 kB
  • After compression 2.3 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 3.7 kB, which is 33% 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 9.0 kB or 80% of the original size.

Image Optimization

-25%

Potential reduce by 458.2 kB

  • Original 1.8 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. Obviously, Sea Link needs image optimization as it can save up to 458.2 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-19%

Potential reduce by 5.6 kB

  • Original 28.9 kB
  • After minification 28.9 kB
  • After compression 23.3 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 5.6 kB or 19% of the original size.

CSS Optimization

-82%

Potential reduce by 60.7 kB

  • Original 73.9 kB
  • After minification 64.1 kB
  • After compression 13.2 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. Sealink.co.nz needs all CSS files to be minified and compressed as it can save up to 60.7 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sea Link. According to our analytics all requests are already optimized.

Network Requests Diagram

sealink.co.nz

sealink.co.nz

1238 ms

template.css

template.css

513 ms

template-responsive.css

template-responsive.css

588 ms

analytics.js

analytics.js

23 ms

body-background.jpg

body-background.jpg

450 ms

logo.png

logo.png

249 ms

facebook.jpg

facebook.jpg

228 ms

twitter.jpg

twitter.jpg

403 ms

newsletter.png

newsletter.png

411 ms

Main_Waiheke.png

Main_Waiheke.png

1819 ms

VisitGBI.JPG

VisitGBI.JPG

1409 ms

ClipperV_PineHarbour.png

ClipperV_PineHarbour.png

1245 ms

Rakino-view.png

Rakino-view.png

2370 ms

qualmark.png

qualmark.png

613 ms

prum.min.js

prum.min.js

9 ms

s-red.png

s-red.png

640 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

802 ms

OpenSans-Bold-webfont.woff

OpenSans-Bold-webfont.woff

843 ms

OpenSans-Semibold-webfont.woff

OpenSans-Semibold-webfont.woff

1008 ms

collect

collect

25 ms

collect

collect

59 ms

Accessibility Review

sealink.co.nz accessibility score

77

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

Best Practices

sealink.co.nz 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

SEO Factors

sealink.co.nz SEO score

79

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

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

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 Sealink.co.nz 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 Sealink.co.nz 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

sealink.co.nz

Open Graph description is not detected on the main page of Sea Link. 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: