3.5 sec in total
398 ms
2.9 sec
224 ms
Visit centerfly.pl now to see the best up-to-date Centerfly content for Poland and also check out these interesting facts you probably never knew about centerfly.pl
Tanie bilety lotnicze - szybko i intuicyjnie wyszukasz tanie loty gdzie tylko chcesz. Rezerwuj bilety lotnicze na tanie linie lotnicze: Wizzair, Ryanair, EasyJest oraz setki innych. Sprawdź gdzie i ki...
Visit centerfly.plWe analyzed Centerfly.pl page load time and found that the first response time was 398 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
centerfly.pl performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value3.3 s
69/100
25%
Value5.9 s
48/100
10%
Value160 ms
94/100
30%
Value0.008
100/100
15%
Value8.2 s
41/100
10%
398 ms
895 ms
405 ms
243 ms
253 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 87% of them (67 requests) were addressed to the original Centerfly.pl, 5% (4 requests) were made to Google-analytics.com and 4% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (946 ms) belongs to the original domain Centerfly.pl.
Page size can be reduced by 510.6 kB (52%)
973.5 kB
462.9 kB
In fact, the total size of Centerfly.pl main page is 973.5 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. 30% of websites need less resources to load. Javascripts take 608.1 kB which makes up the majority of the site volume.
Potential reduce by 83.6 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 83.6 kB or 81% of the original size.
Potential reduce by 7.3 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. Centerfly images are well optimized though.
Potential reduce by 419.7 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 419.7 kB or 69% of the original size.
Number of requests can be reduced by 46 (62%)
74
28
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centerfly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
centerfly.pl
398 ms
www.centerfly.pl
895 ms
moo.min.js
405 ms
center.min.js
243 ms
xajax.js
253 ms
miasta.js
611 ms
nowycityhelper.js
247 ms
jquery-1.11.3.min.js
319 ms
logo_centerfly.png
133 ms
centerfly_tel.png
246 ms
kont_rez_pyt.png
124 ms
header_tlo3.png
247 ms
twoje_konto.png
278 ms
zaloguj_pasek.png
276 ms
cal_zamknij.png
311 ms
karteczka_wyszukiwarka.png
366 ms
button_szukaj.jpg
365 ms
szukaj_hotelu_res.png
377 ms
szukaj_hotelu_res2.png
396 ms
odbior_biletow.jpg
441 ms
gwarancja_ceny.jpg
468 ms
best_lapka.png
482 ms
best_price_pop.png
482 ms
bruksela_iko_c.jpg
500 ms
frankfurt-promocja2_iko.jpg
660 ms
wiecej_promocji.png
573 ms
warto_wiedziec1.jpg
591 ms
azja_iko.jpg
844 ms
odbior.jpg
602 ms
rainbow_biura_text.jpg
623 ms
rainbow_biura.jpg
704 ms
wiecej_lotow_fig.png
709 ms
tanie_naj_ceny.jpg
722 ms
tanie_wszystko.jpg
743 ms
Polskie_Linie_Lotnicze_LOT.png
789 ms
Lufthansa.png
831 ms
Air_France.png
829 ms
British_Airways.png
841 ms
Aer_Lingus.png
864 ms
AirBerlin.png
917 ms
Czech_Airlines_CSA.png
929 ms
ut
228 ms
Wizz_Air.png
848 ms
Easyjet.png
842 ms
Ryanair.png
815 ms
gtm.js
61 ms
Norwegian_Air_Shuttle.png
799 ms
veuling.png
812 ms
jet2.png
838 ms
dc.js
34 ms
analytics.js
21 ms
nowa_reka.png
822 ms
flaga_nowy_1.png
817 ms
rc
219 ms
linkid.js
14 ms
inpage_linkid.js
11 ms
bezpieczenstwo.jpg
784 ms
collect
21 ms
__utm.gif
30 ms
collect
56 ms
secured_rapid.jpg
750 ms
secured_code.jpg
817 ms
g.png
840 ms
akceptuje_ciasteczka.png
839 ms
wysz_zak_all.png
946 ms
cal_ico.png
784 ms
cal_ico1.jpg
763 ms
popularne_kierunki.jpg
829 ms
czer_kropka.jpg
847 ms
link_arrow.png
837 ms
best_price_bottom.png
779 ms
best_price_bottom_separator.png
761 ms
okazja_tlo.png
835 ms
main_border.png
828 ms
dol_gora.png
801 ms
nowa_list.png
760 ms
logo_fb_small.jpg
761 ms
centerfly.pl accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
centerfly.pl 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
centerfly.pl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 doesn't use legible font sizes
Tap targets are not sized appropriately
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centerfly.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Centerfly.pl 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.
centerfly.pl
Open Graph description is not detected on the main page of Centerfly. 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: