Tools & Wizards About Us
lfv.se screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

lfv.se

LFV - Luftfartsverket

Page Load Speed

6.4 sec in total

First Response

802 ms

Resources Loaded

4.9 sec

Page Rendered

682 ms

lfv.se screenshot

About Website

Click here to check amazing LFV content for Sweden. Otherwise, check out these important facts you probably never knew about lfv.se

LFV är ett statligt affärsverk som tillhandahålla en säker, effektiv och miljöanpassad flygtrafiktjänst för civil och militär luftfart. Vi erbjuder flygtrafikledning och flygtrafiktjänster på flera pl...

Visit lfv.se

Key Findings

We analyzed Lfv.se page load time and found that the first response time was 802 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

lfv.se performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.531

14/100

15%

TTI (Time to Interactive)

Value4.8 s

78/100

10%

Network Requests Diagram

lfv.se

802 ms

CssBundle.css

205 ms

JsComponentsBundle.js

212 ms

JsBundle.js

213 ms

logo-orange.png

434 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 92% of them (24 requests) were addressed to the original Lfv.se, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Lfv.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.5 kB (4%)

Content Size

3.4 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Lfv.se main page is 3.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 22.8 kB

  • Original 28.2 kB
  • After minification 21.1 kB
  • After compression 5.4 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. This page needs HTML code to be minified as it can gain 7.0 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.8 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 127.7 kB

  • Original 3.4 MB
  • After minification 3.2 MB

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. LFV images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

We found no issues to fix!

Requests Now

17

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LFV. According to our analytics all requests are already optimized.

Network Requests Diagram

lfv.se

lfv.se

802 ms

CssBundle.css

CssBundle.css

205 ms

JsComponentsBundle.js

JsComponentsBundle.js

212 ms

JsBundle.js

JsBundle.js

213 ms

logo-orange.png

logo-orange.png

434 ms

c.png

c.png

433 ms

en.png

en.png

214 ms

cssbundle.css

cssbundle.css

922 ms

lfv_banner_19.jpg

lfv_banner_19.jpg

782 ms

lfv_banner_24.jpg

lfv_banner_24.jpg

994 ms

lfv_banner_25.jpg

lfv_banner_25.jpg

831 ms

435 ms

439 ms

543 ms

rtc19.jpg

rtc19.jpg

4234 ms

jscomponentsbundle.js

jscomponentsbundle.js

1590 ms

jsbundle.js

jsbundle.js

884 ms

ronneby-twr-1.jpg

ronneby-twr-1.jpg

599 ms

abu-dhabi-twr.jpg

abu-dhabi-twr.jpg

868 ms

karlstad-airport.jpg

karlstad-airport.jpg

1454 ms

icomoon.ttf

icomoon.ttf

140 ms

lfv.se

lfv.se

322 ms

pattern.png

pattern.png

238 ms

ga.js

ga.js

342 ms

GetTweets

GetTweets

197 ms

__utm.gif

__utm.gif

40 ms

Accessibility Review

lfv.se accessibility score

100

Accessibility Issues

Best Practices

lfv.se 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

lfv.se SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    SV

  • Language Claimed

    SV

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lfv.se can be misinterpreted by Google and other search engines. Our service has detected that Swedish is used on the page, and it matches the claimed language. Our system also found out that Lfv.se 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

lfv.se

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