Access waddensea-worldheritage.org. Welcome to the Wadden Sea World Heritage

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value3,110 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

waddensea-worldheritage.org

334 ms

waddensea-worldheritage.org

414 ms

js

70 ms

css_U4vGs1tN1wgUJma9PJtI4_G6RiiuVGJSmrrVdPx5Kkw.css

100 ms

bootstrap.min.css

36 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 83% of them (111 requests) were addressed to the original Waddensea-worldheritage.org, 6% (8 requests) were made to Youtube.com and 3% (4 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Waddensea-worldheritage.org.

Content Size

2.9 MB

After Optimization

2.8 MB

In fact, the total size of Waddensea-worldheritage.org main page is 2.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 48.0 kB

Original 60.1 kB
After minification 54.2 kB
After compression 12.2 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. 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 48.0 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 57.2 kB

Original 2.4 MB
After minification 2.4 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. Wadden Sea World Heritage images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 15.8 kB

Original 304.4 kB
After minification 304.0 kB
After compression 288.6 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

-0%

Potential reduce by 155 B

Original 78.2 kB
After minification 78.2 kB
After compression 78.1 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. Waddensea-worldheritage.org has all CSS files already compressed.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wadden Sea World Heritage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 73 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[role]s do not have all required [aria-*] attributes

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Waddensea-worldheritage.org 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 Waddensea-worldheritage.org 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

waddensea-worldheritage.org

Open Graph description is not detected on the main page of Wadden Sea World Heritage. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Welcome to the Wadden Sea World Heritage | Wadden Sea

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

waddensea-worldheritage.org

waddensea-worldheritage.org

js

css_U4vGs1tN1wgUJma9PJtI4_G6RiiuVGJSmrrVdPx5Kkw.css

bootstrap.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

waddensea-worldheritage.org

waddensea-worldheritage.org

js

css_U4vGs1tN1wgUJma9PJtI4_G6RiiuVGJSmrrVdPx5Kkw.css

bootstrap.min.css

drupal-bootstrap.min.css

css_G8BYL8yq_1fBPwEwwX0TX9qoL9YrndXJ293KMNk6nZg.css

waddensea_header_en_23.png

JuJH6SL9f3w

jquery.min.js

underscore-min.js

element.matches.js

nodelist.foreach.js

object.assign.js

css.escape.js

es6-promise.auto.min.js

once.min.js

jquery.once.min.js

drupalSettingsLoader.js

drupal.js

drupal.init.js

version-min.js

data-min.js

disable-selection-min.js

focusable-min.js

form-min.js

ie-min.js

jquery-patch-min.js

keycode-min.js

plugin-min.js

safe-active-element-min.js

safe-blur-min.js

scroll-parent-min.js

unique-id-min.js

widget-min.js

controlgroup-min.js

form-reset-mixin-min.js

labels-min.js

mouse-min.js

checkboxradio-min.js

draggable-min.js

bootstrap.js

resizable-min.js