Tools & Wizards About Us
biurocentrum.pl screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

biurocentrum.pl

1R :: tanie linie lotnicze Wizzair, bilety lotnicze, hotele, noclegi, bilety autokarowe, bilety promowe : promy, wynajem samochodów - bezpłatna rezerw...

Page Load Speed

3.4 sec in total

First Response

553 ms

Resources Loaded

2.4 sec

Page Rendered

412 ms

biurocentrum.pl screenshot

About Website

Welcome to biurocentrum.pl homepage info - get ready to check Biurocentrum best content for Poland right away, or after learning these important things about biurocentrum.pl

Rezerwuj taniej - linie lotnicze Wizzair, Centralwings, SkyEurope, easyJet, Lot, Ryanair, Germanwings, Condor, promocje biletów lotniczych, rezerwacja biletów lotniczych, tanie latanie, hotele, tanie ...

Visit biurocentrum.pl

Key Findings

We analyzed Biurocentrum.pl page load time and found that the first response time was 553 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

biurocentrum.pl performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

biurocentrum.pl

553 ms

swfobject.js

234 ms

style.css

239 ms

all.js

151 ms

podklad.png

132 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 90% of them (72 requests) were addressed to the original Biurocentrum.pl, 4% (3 requests) were made to Facebook.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (917 ms) belongs to the original domain Biurocentrum.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.0 kB (29%)

Content Size

327.1 kB

After Optimization

233.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Biurocentrum.pl main page is 327.1 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. 20% of websites need less resources to load. Images take 230.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 63.8 kB

  • Original 76.0 kB
  • After minification 69.6 kB
  • After compression 12.2 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 63.8 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 11.4 kB

  • Original 230.5 kB
  • After minification 219.0 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. Biurocentrum images are well optimized though.

CSS Optimization

-91%

Potential reduce by 18.8 kB

  • Original 20.7 kB
  • After minification 17.9 kB
  • After compression 1.9 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. Biurocentrum.pl needs all CSS files to be minified and compressed as it can save up to 18.8 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (47%)

Requests Now

77

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biurocentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

biurocentrum.pl

biurocentrum.pl

553 ms

swfobject.js

swfobject.js

234 ms

style.css

style.css

239 ms

all.js

all.js

151 ms

podklad.png

podklad.png

132 ms

rog-left-up.png

rog-left-up.png

132 ms

dodaj-do-ulubionych-off.png

dodaj-do-ulubionych-off.png

133 ms

startuj-z-nami-off.png

startuj-z-nami-off.png

239 ms

rog-right-up.png

rog-right-up.png

243 ms

rog-left.png

rog-left.png

240 ms

logo1.png

logo1.png

594 ms

logo2.png

logo2.png

246 ms

handel-off.png

handel-off.png

243 ms

detal-off.png

detal-off.png

362 ms

hurt-off.png

hurt-off.png

356 ms

handel-dol-left-off.png

handel-dol-left-off.png

361 ms

handel-dol-right-off.png

handel-dol-right-off.png

359 ms

produkcja-off.png

produkcja-off.png

359 ms

uslugi-off.png

uslugi-off.png

474 ms

logo3.png

logo3.png

482 ms

rog-right.png

rog-right.png

477 ms

zaloguj.png

zaloguj.png

477 ms

login-ikona.png

login-ikona.png

479 ms

input-bg.png

input-bg.png

590 ms

pomoc-ikona.png

pomoc-ikona.png

595 ms

haslo-ikona.png

haslo-ikona.png

595 ms

belka-srodek.png

belka-srodek.png

597 ms

internetowa-obsluga-tranzakcji-off.png

internetowa-obsluga-tranzakcji-off.png

598 ms

szukaj.png

szukaj.png

708 ms

zasoby-portalu-off.png

zasoby-portalu-off.png

708 ms

katalog-firm-selected.png

katalog-firm-selected.png

712 ms

menu-left-bg.png

menu-left-bg.png

713 ms

belka-menu-left.png

belka-menu-left.png

713 ms

przycisk-off-left.png

przycisk-off-left.png

713 ms

kal-right.png

kal-right.png

829 ms

belka-menu-left-down.png

belka-menu-left-down.png

828 ms

px.png

px.png

829 ms

kropka-data.png

kropka-data.png

830 ms

wiecej.png

wiecej.png

829 ms

pic.php

pic.php

772 ms

125 ms

kropka-uzytkownik.png

kropka-uzytkownik.png

827 ms

pic.php

pic.php

844 ms

xd_arbiter.php

xd_arbiter.php

141 ms

xd_arbiter.php

xd_arbiter.php

277 ms

ping

ping

95 ms

pic.php

pic.php

854 ms

like.php

like.php

117 ms

pic.php

pic.php

754 ms

pic.php

pic.php

746 ms

pic.php

pic.php

802 ms

pic.php

pic.php

917 ms

belka-tytul-down.png

belka-tytul-down.png

854 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

281 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

310 ms

kal-left.png

kal-left.png

778 ms

belka-menu-right-down.png

belka-menu-right-down.png

760 ms

kropka-targi.png

kropka-targi.png

795 ms

kropka-szkolenia.png

kropka-szkolenia.png

804 ms

rog-left-down.png

rog-left-down.png

855 ms

rog-right-down.png

rog-right-down.png

764 ms

rog-down.png

rog-down.png

773 ms

aktual-bg.png

aktual-bg.png

793 ms

srodek-bg.png

srodek-bg.png

807 ms

belka-tytul-white.png

belka-tytul-white.png

799 ms

sekretariat-klawisz.jpg

sekretariat-klawisz.jpg

747 ms

menu-right-bg.png

menu-right-bg.png

832 ms

belka-menu-right.png

belka-menu-right.png

779 ms

menu-okno-right.png

menu-okno-right.png

850 ms

szkolenia-zazn.png

szkolenia-zazn.png

822 ms

targi-zazn.png

targi-zazn.png

822 ms

targi-szkolenia-zazn.png

targi-szkolenia-zazn.png

755 ms

menu-right-bg2.png

menu-right-bg2.png

782 ms

handel-on.png

handel-on.png

120 ms

produkcja-on.png

produkcja-on.png

121 ms

uslugi-on.png

uslugi-on.png

121 ms

dodaj-do-ulubionych-on.png

dodaj-do-ulubionych-on.png

121 ms

startuj-z-nami-on.png

startuj-z-nami-on.png

122 ms

internetowa-obsluga-tranzakcji-on.png

internetowa-obsluga-tranzakcji-on.png

123 ms

detal-on.png

detal-on.png

237 ms

Accessibility Review

biurocentrum.pl accessibility score

50

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

biurocentrum.pl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

biurocentrum.pl SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biurocentrum.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Biurocentrum.pl main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

biurocentrum.pl

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