Tools & Wizards About Us

Report Summary

  • 56

    Performance

    Renders faster than
    72% 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.be

KLM Royal Dutch Airlines - Book flights online - KLM Belgium

Page Load Speed

2.5 sec in total

First Response

359 ms

Resources Loaded

1.8 sec

Page Rendered

335 ms

About Website

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

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 Belgium

Visit klm.be

Key Findings

We analyzed Klm.be page load time and found that the first response time was 359 ms and then it took 2.1 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

klm.be performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.121

84/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

klm.be

359 ms

www.klm.be

467 ms

1588655105.js

101 ms

135-v1.js

36 ms

tag.js

50 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 19% of them (6 requests) were addressed to the original Klm.be, 39% (12 requests) were made to Static-kl.com and 29% (9 requests) were made to Img.static-kl.com. The less responsive or slowest element that took the longest time to load (625 ms) relates to the external source Img.static-kl.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 501.8 kB (67%)

Content Size

752.9 kB

After Optimization

251.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Klm.be main page is 752.9 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. 45% of websites need less resources to load. HTML takes 423.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 366.8 kB

  • Original 423.1 kB
  • After minification 423.1 kB
  • After compression 56.4 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 366.8 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 100.0 kB
  • After minification 100.0 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. KLM images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 135.0 kB

  • Original 229.8 kB
  • After minification 229.1 kB
  • After compression 94.8 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 135.0 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (44%)

Requests Now

25

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 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 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

klm.be 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.be 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.be 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.be 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.be 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 data is detected on the main page of KLM. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: