Tools & Wizards About Us
alsen.zumi.pl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

alsen.zumi.pl

Jakdojade - podróżuj wygodnie komunikacją miejską i PKP

Page Load Speed

6 sec in total

First Response

2 sec

Resources Loaded

3.8 sec

Page Rendered

199 ms

alsen.zumi.pl screenshot

About Website

Visit alsen.zumi.pl now to see the best up-to-date Alsen Zumi content for Poland and also check out these interesting facts you probably never knew about alsen.zumi.pl

Skorzystaj z Jakdojade, aby szybko i bezproblemowo zaplanować podróż komunikacją miejską oraz PKP. Sprawdź rozkład jazdy, odjazdy live i kupuj bilety mobilne.

Visit alsen.zumi.pl

Key Findings

We analyzed Alsen.zumi.pl page load time and found that the first response time was 2 sec and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

alsen.zumi.pl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value3,740 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

alsen.zumi.pl

1994 ms

ga.js

9 ms

init.js

372 ms

__utm.gif

30 ms

__utm.gif

25 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 20% of them (2 requests) were addressed to the original Alsen.zumi.pl, 30% (3 requests) were made to Google-analytics.com and 20% (2 requests) were made to Onet.hit.gemius.pl. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Alsen.zumi.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.6 kB (24%)

Content Size

437.6 kB

After Optimization

331.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Alsen.zumi.pl main page is 437.6 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. 15% of websites need less resources to load. Images take 265.5 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 3.1 kB

  • Original 4.7 kB
  • After minification 4.7 kB
  • After compression 1.7 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 3.1 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 855 B

  • Original 265.5 kB
  • After minification 264.6 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. Alsen Zumi images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 102.7 kB

  • Original 167.3 kB
  • After minification 163.4 kB
  • After compression 64.6 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 102.7 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (44%)

Requests Now

9

After Optimization

5

  • AJAX
  • Images
  • JavaScript

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alsen Zumi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

alsen.zumi.pl

alsen.zumi.pl

1994 ms

ga.js

ga.js

9 ms

init.js

init.js

372 ms

__utm.gif

__utm.gif

30 ms

__utm.gif

__utm.gif

25 ms

xgemius.js

xgemius.js

232 ms

fpdata.js

fpdata.js

232 ms

alsen_lp_14_04_2015_17_05_38.jpg

alsen_lp_14_04_2015_17_05_38.jpg

1147 ms

lsget.html

lsget.html

233 ms

rexdot.js

rexdot.js

119 ms

Accessibility Review

alsen.zumi.pl accessibility score

72

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

alsen.zumi.pl best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

alsen.zumi.pl SEO score

85

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

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

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alsen.zumi.pl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Alsen.zumi.pl main page’s claimed encoding is iso-8859-2. 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

alsen.zumi.pl

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