5.4 sec in total
416 ms
4.2 sec
686 ms
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.seWe analyzed Lfv.se page load time and found that the first response time was 416 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
lfv.se performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value7.5 s
4/100
25%
Value5.8 s
50/100
10%
Value50 ms
100/100
30%
Value0.561
12/100
15%
Value4.5 s
82/100
10%
416 ms
730 ms
521 ms
1058 ms
592 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that 84% of them (27 requests) were addressed to the original Lfv.se, 9% (3 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Lfv.se.
Page size can be reduced by 282.7 kB (11%)
2.7 MB
2.4 MB
In fact, the total size of Lfv.se main page is 2.7 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. 30% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 25.1 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 7.7 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 25.1 kB or 81% of the original size.
Potential reduce by 242.4 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. LFV images are well optimized though.
Potential reduce by 472 B
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 472 B or 17% of the original size.
Potential reduce by 14.7 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. Lfv.se needs all CSS files to be minified and compressed as it can save up to 14.7 kB or 84% of the original size.
We found no issues to fix!
19
19
The browser has sent 19 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.
lfv.se
416 ms
lfv.se
730 ms
CssBundle.css
521 ms
JsComponentsBundle.js
1058 ms
JsBundle.js
592 ms
css
31 ms
themify-icons.css
286 ms
find.js
28 ms
logo-orange.png
203 ms
C.png
111 ms
en.png
109 ms
LFV_ATS_Arlanda_tornmilj-_2019-12_Peter_Karlsson_0.jpg
120 ms
fardplan.svg
96 ms
flygplanet.svg
183 ms
dronare.svg
183 ms
LFV_RTS_O-stersund_2021_EU-kommission-publicering_.jpg
198 ms
Helena.jpg
238 ms
sverige_nato.jpg
1347 ms
Flygledartornet_Arlanda.jpg
289 ms
Flygledare_i_arbetsposition.jpg
287 ms
Amina_Dervic.jpg
290 ms
S6u9w4BMUTPHh7USSwiPHA.ttf
78 ms
S6uyw4BMUTPHjx4wWw.ttf
79 ms
S6u9w4BMUTPHh6UVSwiPHA.ttf
79 ms
icomoon.ttf
486 ms
themify.woff
744 ms
lfv_ats_arlanda_tornmilj-_2019-12_peter_karlsson_0.jpg
1196 ms
lfv_rts_o-stersund_2021_eu-kommission-publicering_.jpg
930 ms
helena.jpg
1122 ms
flygledare_i_arbetsposition.jpg
854 ms
flygledartornet_arlanda.jpg
1699 ms
amina_dervic.jpg
1772 ms
lfv.se accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Form elements do not have associated labels
lfv.se best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
lfv.se SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
SV
SV
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.
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: