Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

alkmaarcruises.nl

Alkmaar Cruises | Rondvaarten voor bedrijven en particulieren

Page Load Speed

1.7 sec in total

First Response

279 ms

Resources Loaded

1.1 sec

Page Rendered

339 ms

About Website

Visit alkmaarcruises.nl now to see the best up-to-date Alkmaar Cruises content and also check out these interesting facts you probably never knew about alkmaarcruises.nl

Voor een op maat gemaakt bedrijfsuitje, teambuilding, jubileum, familiedag & vrijgezellenfeest bent u op rondvaartboot en partyschip Amalia aan het juiste adres

Visit alkmaarcruises.nl

Key Findings

We analyzed Alkmaarcruises.nl page load time and found that the first response time was 279 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

alkmaarcruises.nl performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value3,580 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

Network Requests Diagram

alkmaarcruises.nl

279 ms

mm_training.css

114 ms

sneeuw.js

178 ms

mm_spacer.gif

105 ms

stuurrad5jaar.jpg

345 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Alkmaarcruises.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (699 ms) belongs to the original domain Alkmaarcruises.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.5 kB (17%)

Content Size

935.5 kB

After Optimization

774.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Alkmaarcruises.nl main page is 935.5 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. Only 10% of websites need less resources to load. Images take 922.1 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.5 kB

  • Original 11.6 kB
  • After minification 10.3 kB
  • After compression 3.2 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 1.3 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 8.5 kB or 73% of the original size.

Image Optimization

-16%

Potential reduce by 151.7 kB

  • Original 922.1 kB
  • After minification 770.4 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. Obviously, Alkmaar Cruises needs image optimization as it can save up to 151.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-75%

Potential reduce by 1.4 kB

  • Original 1.8 kB
  • After minification 1.4 kB
  • After compression 458 B

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. Alkmaarcruises.nl needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alkmaar Cruises. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

alkmaarcruises.nl accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Links do not have a discernible name

Best Practices

alkmaarcruises.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

alkmaarcruises.nl SEO score

91

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

    NL

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alkmaarcruises.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Alkmaarcruises.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Alkmaar Cruises. 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: