Access serbia.klm.com. KLM Royal Dutch Airlines - Book flights online

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About Website

Welcome to serbia.klm.com homepage info - get ready to check Serbia KLM best content for United States right away, or after learning these important things about serbia.klm.com

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 Serbia

Visit serbia.klm.com

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value3,590 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

serbia.klm.com

539 ms

1588655105.js

144 ms

135-v1.js

89 ms

tag.js

114 ms

kl.776fa0d56e58815de7453bd7396668b5aef2cfbf.css

144 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 Serbia.klm.com, 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 (539 ms) belongs to the original domain Serbia.klm.com.

Content Size

576.5 kB

After Optimization

154.5 kB

In fact, the total size of Serbia.klm.com main page is 576.5 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. 65% of websites need less resources to load. HTML takes 332.9 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 288.0 kB

Original 332.9 kB
After minification 327.7 kB
After compression 44.9 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 288.0 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 26.3 kB
After minification 26.3 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. Serbia KLM images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 134.0 kB

Original 217.3 kB
After minification 216.4 kB
After compression 83.3 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 134.0 kB or 62% of the original size.

Requests Now

After Optimization

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serbia 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 9 to 1 for JavaScripts and from 6 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

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

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 Serbia.klm.com 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 Serbia.klm.com 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

serbia.klm.com

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

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Performance

Accessibility

Best Practices

SEO

KLM Royal Dutch Airlines - Book flights online - KLM Serbia

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)