Tools & Wizards About Us

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

klm.org

KLM Royal Dutch Airlines - Book flights online - KLM United States

Page Load Speed

2.1 sec in total

First Response

323 ms

Resources Loaded

1.6 sec

Page Rendered

136 ms

About Website

Visit klm.org now to see the best up-to-date KLM content for Netherlands and also check out these interesting facts you probably never knew about klm.org

Compare and book all KLM flights, view great last minute offers, choose your favourite seat, check in online, book hotels and all you need for your trip. - KLM United States

Visit klm.org

Key Findings

We analyzed Klm.org page load time and found that the first response time was 323 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

klm.org performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

klm.org

323 ms

www.klm.org

330 ms

www.klm.com

41 ms

splashstyles.css

6 ms

require-afkl.js

49 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Klm.org, 33% (16 requests) were made to Klm.com and 17% (8 requests) were made to Core.static-afkl.com. The less responsive or slowest element that took the longest time to load (330 ms) belongs to the original domain Klm.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.1 kB (60%)

Content Size

166.7 kB

After Optimization

66.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Klm.org main page is 166.7 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. 40% of websites need less resources to load. Javascripts take 117.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 13.3 kB

  • Original 18.3 kB
  • After minification 17.1 kB
  • After compression 4.9 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 13.3 kB or 73% of the original size.

Image Optimization

-14%

Potential reduce by 1.5 kB

  • Original 10.4 kB
  • After minification 8.9 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, KLM needs image optimization as it can save up to 1.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 69.6 kB

  • Original 117.4 kB
  • After minification 115.4 kB
  • After compression 47.8 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 69.6 kB or 59% of the original size.

CSS Optimization

-76%

Potential reduce by 15.7 kB

  • Original 20.6 kB
  • After minification 20.3 kB
  • After compression 4.8 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. Klm.org needs all CSS files to be minified and compressed as it can save up to 15.7 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (80%)

Requests Now

41

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KLM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

klm.org accessibility score

93

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 progressbar elements do not have accessible names.

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Best Practices

klm.org best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

klm.org SEO score

91

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Klm.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 Klm.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

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