Access lerenzeilen.amorgos.nl. Zeilcursussen voor volwassenen

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.769

5/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

lerenzeilen.amorgos.nl

381 ms

lerenzeilen.amorgos.nl

366 ms

zeilcursus

613 ms

all.css

60 ms

platform.js

46 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Lerenzeilen.amorgos.nl, 63% (33 requests) were made to Amorgos.nl and 10% (5 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (887 ms) relates to the external source Amorgos.nl.

Content Size

2.5 MB

After Optimization

1.8 MB

In fact, the total size of Lerenzeilen.amorgos.nl main page is 2.5 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 236.0 kB

Original 261.6 kB
After minification 256.6 kB
After compression 25.5 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 236.0 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 7.5 kB

Original 1.4 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. Ler En Zeil Amorgos images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 314.7 kB

Original 551.8 kB
After minification 551.7 kB
After compression 237.2 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 314.7 kB or 57% of the original size.

CSS Optimization

-76%

Potential reduce by 169.9 kB

Original 222.9 kB
After minification 222.7 kB
After compression 53.0 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. Lerenzeilen.amorgos.nl needs all CSS files to be minified and compressed as it can save up to 169.9 kB or 76% of the original size.

Requests Now

After Optimization

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ler En Zeil Amorgos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

NL
Language Claimed

NL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lerenzeilen.amorgos.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Lerenzeilen.amorgos.nl 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

lerenzeilen.amorgos.nl

Open Graph description is not detected on the main page of Ler En Zeil Amorgos. 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

Zeilcursussen voor volwassenen - in binnen- en buitenland met Amorgos

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

lerenzeilen.amorgos.nl

lerenzeilen.amorgos.nl

zeilcursus

all.css

platform.js

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

lerenzeilen.amorgos.nl

lerenzeilen.amorgos.nl

zeilcursus

all.css

platform.js

50f9f6a7b0.js

hammer.min.js

jquery-ui.min.css

2d936ec44f861c9316a025d113380324.css

ecab95636c3e7f3416058f6f72a5dd09.css

jquery.min.js

jquery-ui.min.js

061add370fb20dea8993ca6e85a56fd6.js

ead3e307aec212ec79e995ff859e13c8.js

addthis_widget.js

50f9f6a7b0.css

font-awesome-css.min.css

gtm.js

css

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zeilcursus

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