Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

Page Load Speed

2.5 sec in total

First Response

209 ms

Resources Loaded

2.2 sec

Page Rendered

131 ms

reserveren.groupon.nl screenshot

About Website

Welcome to reserveren.groupon.nl homepage info - get ready to check Reserveren Groupon best content for Netherlands right away, or after learning these important things about reserveren.groupon.nl

Visit reserveren.groupon.nl

Key Findings

We analyzed Reserveren.groupon.nl page load time and found that the first response time was 209 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

reserveren.groupon.nl performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

reserveren.groupon.nl

209 ms

reserveren.groupon.nl

581 ms

jquery-1.11.3.min.js

374 ms

jquery-ui-1.11.3.min.js

1047 ms

jquery.cookie.js

292 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Reserveren.groupon.nl, 3% (1 request) were made to Connect.facebook.net and 3% (1 request) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Reserveren.groupon.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 426.0 kB (74%)

Content Size

576.0 kB

After Optimization

150.0 kB

In fact, the total size of Reserveren.groupon.nl main page is 576.0 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. 30% of websites need less resources to load. Javascripts take 415.3 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 38.7 kB

  • Original 55.4 kB
  • After minification 53.9 kB
  • After compression 16.7 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 38.7 kB or 70% of the original size.

JavaScript Optimization

-73%

Potential reduce by 302.9 kB

  • Original 415.3 kB
  • After minification 381.5 kB
  • After compression 112.4 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 302.9 kB or 73% of the original size.

CSS Optimization

-80%

Potential reduce by 84.3 kB

  • Original 105.3 kB
  • After minification 93.5 kB
  • After compression 21.0 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. Reserveren.groupon.nl needs all CSS files to be minified and compressed as it can save up to 84.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (68%)

Requests Now

28

After Optimization

9

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reserveren Groupon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

reserveren.groupon.nl accessibility score

78

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.

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

reserveren.groupon.nl best practices score

83

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

SEO Factors

reserveren.groupon.nl SEO score

83

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reserveren.groupon.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Reserveren.groupon.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

Open Graph description is not detected on the main page of Reserveren Groupon. 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: