Tools & Wizards About Us
centrum24.pl screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 0

    SEO

centrum24.pl

Centrum24 - Logowanie | Santander Bank Polska (dawniej BZWBK)

Page Load Speed

3.3 sec in total

First Response

806 ms

Resources Loaded

2.4 sec

Page Rendered

94 ms

centrum24.pl screenshot

About Website

Click here to check amazing Centrum24 content for Poland. Otherwise, check out these important facts you probably never knew about centrum24.pl

Logowanie do Santander Internet - nowoczesnej bankowości elektronicznej, która umożliwia zarządzanie finansami przez internet. Do zalogowania niezbędna jest obsługa plików cookies.

Visit centrum24.pl

Key Findings

We analyzed Centrum24.pl page load time and found that the first response time was 806 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

centrum24.pl performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value15.7 s

0/100

10%

TBT (Total Blocking Time)

Value12,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.334

34/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

login

806 ms

jquery-1.5.2.min.js

262 ms

script_16.js

466 ms

axs.min.js

469 ms

xx.min.js

670 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Centrum24.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (841 ms) belongs to the original domain Centrum24.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.4 kB (62%)

Content Size

294.7 kB

After Optimization

111.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centrum24.pl main page is 294.7 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. Only 10% of websites need less resources to load. Javascripts take 198.0 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 11.6 kB

  • Original 18.1 kB
  • After minification 17.9 kB
  • After compression 6.5 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 11.6 kB or 64% of the original size.

Image Optimization

-4%

Potential reduce by 1.2 kB

  • Original 30.3 kB
  • After minification 29.2 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. Centrum24 images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 130.6 kB

  • Original 198.0 kB
  • After minification 184.8 kB
  • After compression 67.3 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 130.6 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 40.0 kB

  • Original 48.3 kB
  • After minification 36.7 kB
  • After compression 8.3 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. Centrum24.pl needs all CSS files to be minified and compressed as it can save up to 40.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (50%)

Requests Now

30

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrum24. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

login

login

806 ms

jquery-1.5.2.min.js

jquery-1.5.2.min.js

262 ms

script_16.js

script_16.js

466 ms

axs.min.js

axs.min.js

469 ms

xx.min.js

xx.min.js

670 ms

1455268875

1455268875

492 ms

login.min.js

login.min.js

362 ms

logowanie.css

logowanie.css

384 ms

allcss.css

allcss.css

488 ms

slides.min.jquery.js

slides.min.jquery.js

525 ms

thickbox-compressed.js

thickbox-compressed.js

587 ms

wicket-event.js

wicket-event.js

603 ms

tooltip.js

tooltip.js

719 ms

tooltip.css

tooltip.css

610 ms

modalWindow.js

modalWindow.js

658 ms

modalWindow.css

modalWindow.css

768 ms

gain-access.css

gain-access.css

808 ms

script-rwd.js

script-rwd.js

841 ms

_logo.png

_logo.png

153 ms

sprite.png

sprite.png

127 ms

exclam.png

exclam.png

144 ms

LOGOW_LEWY_T-Mobile_0216.jpg

LOGOW_LEWY_T-Mobile_0216.jpg

140 ms

flag_big_en_centrum24_en.png

flag_big_en_centrum24_en.png

141 ms

flag_big_es_centrum24_es.png

flag_big_es_centrum24_es.png

166 ms

tooltip.png

tooltip.png

159 ms

log_question_big.png

log_question_big.png

246 ms

log_close.png

log_close.png

260 ms

log_excl_gray.png

log_excl_gray.png

262 ms

LOGOW_BLIK_0216.jpg

LOGOW_BLIK_0216.jpg

401 ms

log_arrow.png

log_arrow.png

253 ms

chat-icon.png

chat-icon.png

223 ms

Accessibility Review

centrum24.pl accessibility score

80

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

centrum24.pl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

centrum24.pl SEO score

0

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrum24.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 Centrum24.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.

Social Sharing Optimization

centrum24.pl

Open Graph description is not detected on the main page of Centrum24. 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: