Tools & Wizards About Us
luz.krakow.pl screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    28% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

luz.krakow.pl

Strona główna - Szkoła Jazdy LUZ Kraków - nauka jazdy, prawo jazdy na motor i samochód Kraków,instruktor

Page Load Speed

6.8 sec in total

First Response

495 ms

Resources Loaded

5.6 sec

Page Rendered

669 ms

luz.krakow.pl screenshot

About Website

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

Bezstresowe Szkolenie Kierowców i Instruktorów LUZ oferuje najszybsze kursy na prawo jazdy on-line kategorii AM, A1, A2, A, B1, B, BE, C, CE, D oraz profesjonalne doszkalanie,kursy dla kierowców zawod...

Visit luz.krakow.pl

Key Findings

We analyzed Luz.krakow.pl page load time and found that the first response time was 495 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

luz.krakow.pl performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value20.6 s

0/100

10%

TBT (Total Blocking Time)

Value17,220 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value28.9 s

0/100

10%

Network Requests Diagram

luz.krakow.pl

495 ms

www.luz.krakow.pl

1127 ms

css

19 ms

868d1d8a9157.css

1095 ms

231d63a837c2.js

1495 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 23% of them (19 requests) were addressed to the original Luz.krakow.pl, 31% (25 requests) were made to Google.com and 25% (20 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Luz.krakow.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 492.8 kB (19%)

Content Size

2.5 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Luz.krakow.pl main page is 2.5 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. 60% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 87.3 kB

  • Original 104.2 kB
  • After minification 97.2 kB
  • After compression 16.9 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 87.3 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 34.1 kB

  • Original 1.9 MB
  • After minification 1.8 MB

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. LUZ images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 225.5 kB

  • Original 399.7 kB
  • After minification 379.4 kB
  • After compression 174.2 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 225.5 kB or 56% of the original size.

CSS Optimization

-89%

Potential reduce by 145.9 kB

  • Original 163.7 kB
  • After minification 116.8 kB
  • After compression 17.8 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. Luz.krakow.pl needs all CSS files to be minified and compressed as it can save up to 145.9 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (33%)

Requests Now

75

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LUZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

luz.krakow.pl

luz.krakow.pl

495 ms

www.luz.krakow.pl

www.luz.krakow.pl

1127 ms

css

css

19 ms

868d1d8a9157.css

868d1d8a9157.css

1095 ms

231d63a837c2.js

231d63a837c2.js

1495 ms

custom.modernizr.js

custom.modernizr.js

131 ms

foundation.min.js

foundation.min.js

1516 ms

s.js

s.js

513 ms

widget.js

widget.js

528 ms

maps

maps

213 ms

maps

maps

293 ms

maps

maps

337 ms

s4u.gif

s4u.gif

282 ms

strona-glowna-bg.png

strona-glowna-bg.png

1492 ms

en_flag.png

en_flag.png

200 ms

header-bg.jpg

header-bg.jpg

145 ms

logo.png

logo.png

328 ms

pojazdy.png

pojazdy.png

2205 ms

button-blue.jpg

button-blue.jpg

280 ms

button-blue-arr.png

button-blue-arr.png

327 ms

akredytacja-kuratorium-oswiaty.png

akredytacja-kuratorium-oswiaty.png

346 ms

super-osk.png

super-osk.png

1185 ms

25-lat-doswiadczenia-w-szkoleniu-kierowcow.png

25-lat-doswiadczenia-w-szkoleniu-kierowcow.png

830 ms

PREWKI_IMG_4753_fot_Piotr_Markowski.jpg

PREWKI_IMG_4753_fot_Piotr_Markowski.jpg

839 ms

kontakt.png

kontakt.png

1489 ms

likebox.php

likebox.php

192 ms

zepto.js

zepto.js

1133 ms

embed

embed

379 ms

embed

embed

603 ms

JaD_Pfjq9zI.css

JaD_Pfjq9zI.css

57 ms

embed

embed

504 ms

js

js

71 ms

gen_204

gen_204

60 ms

init_embed.js

init_embed.js

72 ms

gen_204

gen_204

148 ms

common.js

common.js

239 ms

util.js

util.js

417 ms

map.js

map.js

405 ms

overlay.js

overlay.js

314 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

268 ms

onion.js

onion.js

67 ms

search_impl.js

search_impl.js

68 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

218 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

218 ms

openhand_8_8.cur

openhand_8_8.cur

99 ms

kh

kh

220 ms

s.cgi

s.cgi

380 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

77 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

75 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

71 ms

kh

kh

54 ms

piwik.js

piwik.js

711 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

42 ms

vt

vt

191 ms

vt

vt

179 ms

vt

vt

169 ms

vt

vt

194 ms

vt

vt

210 ms

vt

vt

227 ms

vt

vt

215 ms

vt

vt

216 ms

vt

vt

256 ms

vt

vt

271 ms

vt

vt

373 ms

vt

vt

379 ms

vt

vt

381 ms

vt

vt

376 ms

vt

vt

379 ms

vt

vt

378 ms

vt

vt

477 ms

vt

vt

478 ms

vt

vt

475 ms

QuotaService.RecordEvent

QuotaService.RecordEvent

31 ms

QuotaService.RecordEvent

QuotaService.RecordEvent

30 ms

QuotaService.RecordEvent

QuotaService.RecordEvent

26 ms

vt

vt

393 ms

vt

vt

406 ms

vt

vt

412 ms

controls.js

controls.js

4 ms

css

css

68 ms

css

css

69 ms

Accessibility Review

luz.krakow.pl accessibility score

87

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

luz.krakow.pl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

High

Browser errors were logged to the console

SEO Factors

luz.krakow.pl SEO score

69

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

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 Luz.krakow.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 Luz.krakow.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

luz.krakow.pl

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