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klm.bg screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

klm.bg

KLM Royal Dutch Airlines - Book flights online - KLM Bulgaria

Page Load Speed

42.2 sec in total

First Response

369 ms

Resources Loaded

41.6 sec

Page Rendered

247 ms

klm.bg screenshot

About Website

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

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 Bulgaria

Visit klm.bg

Key Findings

We analyzed Klm.bg page load time and found that the first response time was 369 ms and then it took 41.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

klm.bg performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value20.1 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value19,300 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.254

49/100

15%

TTI (Time to Interactive)

Value31.0 s

0/100

10%

Network Requests Diagram

klm.bg

369 ms

www.klm.bg

460 ms

135-v1.js

123 ms

tag.js

120 ms

kl.145946c28aa9b9aa822291e6adb49b058bb23f39.css

48 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 63% of them (20 requests) were addressed to the original Klm.bg, 9% (3 requests) were made to Static-kl.com and 9% (3 requests) were made to Img.static-kl.com. The less responsive or slowest element that took the longest time to load (19.9 sec) belongs to the original domain Klm.bg.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.1 kB (60%)

Content Size

354.2 kB

After Optimization

142.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Klm.bg main page is 354.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 241.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 212.1 kB

  • Original 241.0 kB
  • After minification 241.0 kB
  • After compression 28.8 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 212.1 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 39.8 kB
  • After minification 39.8 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

-0%

Potential reduce by 0 B

  • Original 73.5 kB
  • After minification 73.5 kB
  • After compression 73.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 14 (58%)

Requests Now

24

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 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 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

klm.bg

klm.bg

369 ms

www.klm.bg

www.klm.bg

460 ms

135-v1.js

135-v1.js

123 ms

tag.js

tag.js

120 ms

kl.145946c28aa9b9aa822291e6adb49b058bb23f39.css

kl.145946c28aa9b9aa822291e6adb49b058bb23f39.css

48 ms

cookie-banner.js

cookie-banner.js

146 ms

ie-polyfills.min.js

ie-polyfills.min.js

183 ms

45ad35e

45ad35e

118 ms

runtime-es2015.8e0ed9826a155c16bab6.js

runtime-es2015.8e0ed9826a155c16bab6.js

28 ms

runtime-es5.8e0ed9826a155c16bab6.js

runtime-es5.8e0ed9826a155c16bab6.js

334 ms

polyfills-es5.11db6b21315b21c0c80c.js

polyfills-es5.11db6b21315b21c0c80c.js

670 ms

polyfills-es2015.6c94b8a15f934a722de7.js

polyfills-es2015.6c94b8a15f934a722de7.js

28 ms

vendor-es2015.f074862c25e67da19000.js

vendor-es2015.f074862c25e67da19000.js

127 ms

vendor-es5.f074862c25e67da19000.js

vendor-es5.f074862c25e67da19000.js

876 ms

main-es2015.a0e6c6eb2ac5ec4a36f8.js

main-es2015.a0e6c6eb2ac5ec4a36f8.js

112 ms

main-es5.a0e6c6eb2ac5ec4a36f8.js

main-es5.a0e6c6eb2ac5ec4a36f8.js

667 ms

QDA8C

QDA8C

124 ms

F69ED0C7-44CC-43E7-A5E19B0367E49AA5

F69ED0C7-44CC-43E7-A5E19B0367E49AA5

1128 ms

brand-logo.svg

brand-logo.svg

61 ms

1109 ms

1388 ms

kl-logo-2022.svg

kl-logo-2022.svg

63 ms

skyteam-logo-2022.svg

skyteam-logo-2022.svg

64 ms

Roboto-Regular.woff

Roboto-Regular.woff

281 ms

NoaLTW04-light.woff

NoaLTW04-light.woff

251 ms

5a9dfaaee1d6a70d_complete.js

5a9dfaaee1d6a70d_complete.js

433 ms

1588655105.js

1588655105.js

435 ms

QDA8C

QDA8C

930 ms

[object%20URL]

[object%20URL]

19648 ms

https:/

https:/

15 ms

bf

bf

390 ms

kl-print.145946c28aa9b9aa822291e6adb49b058bb23f39.css

kl-print.145946c28aa9b9aa822291e6adb49b058bb23f39.css

19937 ms

Accessibility Review

klm.bg accessibility score

92

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

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

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.

Best Practices

klm.bg 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.bg SEO score

84

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

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

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.bg 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.bg 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

klm.bg

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: