Tools & Wizards About Us
testerzy.pl screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

testerzy.pl

Testowanie oprogramowania. Jak zostać testerem. Wiedza, szkolenia praktyczne i egzaminy ISTQB® - testerzy.pl

Page Load Speed

5 sec in total

First Response

417 ms

Resources Loaded

4 sec

Page Rendered

611 ms

testerzy.pl screenshot

About Website

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

Szkolenia z testowania oprogramowania: dla początkujących, ISTQB, automatyzacja oraz praktyczne warsztaty z narzędzi. Dzielimy się wiedzą, doradzamy jak zostać testerem oraz oferujemy usługi z testowa...

Visit testerzy.pl

Key Findings

We analyzed Testerzy.pl page load time and found that the first response time was 417 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

testerzy.pl performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.265

46/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

testerzy.pl

417 ms

testerzy.pl

1172 ms

d7d9a5ebba540c4fa277e20658c259f8.css

369 ms

logo-sm-3.png

404 ms

831856b00a7eca20540d90862fc0d103.js

768 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 75% of them (60 requests) were addressed to the original Testerzy.pl, 14% (11 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Testerzy.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 453.5 kB (12%)

Content Size

3.8 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Testerzy.pl main page is 3.8 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. 55% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 200.0 kB

  • Original 221.0 kB
  • After minification 148.8 kB
  • After compression 20.9 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. This page needs HTML code to be minified as it can gain 72.2 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 200.0 kB or 91% of the original size.

Image Optimization

-7%

Potential reduce by 246.3 kB

  • Original 3.4 MB
  • After minification 3.1 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. Testerzy images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 7.2 kB

  • Original 112.5 kB
  • After minification 112.5 kB
  • After compression 105.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 74.1 kB
  • After minification 74.1 kB
  • After compression 74.1 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. Testerzy.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (13%)

Requests Now

67

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Testerzy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

testerzy.pl

testerzy.pl

417 ms

testerzy.pl

testerzy.pl

1172 ms

d7d9a5ebba540c4fa277e20658c259f8.css

d7d9a5ebba540c4fa277e20658c259f8.css

369 ms

logo-sm-3.png

logo-sm-3.png

404 ms

831856b00a7eca20540d90862fc0d103.js

831856b00a7eca20540d90862fc0d103.js

768 ms

js

js

64 ms

26747501.js

26747501.js

532 ms

css

css

51 ms

css

css

69 ms

css2

css2

72 ms

logo-sm2.png

logo-sm2.png

150 ms

logo-sm-2.png

logo-sm-2.png

150 ms

logo-footer-nav.svg

logo-footer-nav.svg

290 ms

rekrutacja-testera-z-mitc.jpg

rekrutacja-testera-z-mitc.jpg

290 ms

turniej-audytorow-wcag-testerzy.png

turniej-audytorow-wcag-testerzy.png

499 ms

zostan-testerem-zwinnym-z-testerzy-plus-22.jpg

zostan-testerem-zwinnym-z-testerzy-plus-22.jpg

484 ms

tester-i-ai-przeglad-opinii-maj-2024.jpg

tester-i-ai-przeglad-opinii-maj-2024.jpg

523 ms

czego-zaluje-.jpg

czego-zaluje-.jpg

483 ms

plus-icon.png

plus-icon.png

481 ms

testowanie-jest-stresujace-testerzy-plus.jpg

testowanie-jest-stresujace-testerzy-plus.jpg

484 ms

Redakcja.jpg

Redakcja.jpg

526 ms

nagrody-istqb-2024.jpg

nagrody-istqb-2024.jpg

532 ms

najlepsze-materialy-i-narzedzia-na-testerzy-p.jpg

najlepsze-materialy-i-narzedzia-na-testerzy-p.jpg

536 ms

conselenium-2024.jpg

conselenium-2024.jpg

576 ms

obnizamy-ceny-egzaminow-istqb.jpg

obnizamy-ceny-egzaminow-istqb.jpg

609 ms

ponad-15-narzedzi-automatyzacji-testow-2024.jpg

ponad-15-narzedzi-automatyzacji-testow-2024.jpg

639 ms

zigi-negocjuje-wynagrodzenie.jpg

zigi-negocjuje-wynagrodzenie.jpg

755 ms

rafal_kubik.jpg

rafal_kubik.jpg

659 ms

ministerstwo-glupich-testow.png

ministerstwo-glupich-testow.png

653 ms

ewelina-chrusciel.jpg

ewelina-chrusciel.jpg

695 ms

rynek-it-w-polsce-2024-wyhamowanie-ale-bez-zalamania.jpg

rynek-it-w-polsce-2024-wyhamowanie-ale-bez-zalamania.jpg

723 ms

praca-tester-oprogramowania-b2b.jpg

praca-tester-oprogramowania-b2b.jpg

760 ms

automatyzacja-po-gui-to-scam-PODSUMOWANIE.png

automatyzacja-po-gui-to-scam-PODSUMOWANIE.png

775 ms

tester-na-githubie.jpg

tester-na-githubie.jpg

780 ms

generatywne-ai-w-sluzbie-testera-nowe-warsztaty.png

generatywne-ai-w-sluzbie-testera-nowe-warsztaty.png

817 ms

pti-04-2024.jpg

pti-04-2024.jpg

837 ms

cwicz-javascript-z-testerskim-zeszytem-cwiczen-na-testerzy-plus.jpg

cwicz-javascript-z-testerskim-zeszytem-cwiczen-na-testerzy-plus.jpg

871 ms

ostatnia-szansa-na-nizsza-cene.jpg

ostatnia-szansa-na-nizsza-cene.jpg

872 ms

metryki-wydajnosci-strony-internetowej.jpg

metryki-wydajnosci-strony-internetowej.jpg

894 ms

10-najczestszych-bledow-ui.jpg

10-najczestszych-bledow-ui.jpg

898 ms

co-tester-moze-zrobic-przez-60-minut.jpg

co-tester-moze-zrobic-przez-60-minut.jpg

939 ms

Ko%C5%82odziejczyk_Krzysztof.jpg

Ko%C5%82odziejczyk_Krzysztof.jpg

1277 ms

Joanna%20Zembaczy%C5%84ska.jpg

Joanna%20Zembaczy%C5%84ska.jpg

1459 ms

radek-smilgin-photo.jpg

radek-smilgin-photo.jpg

1562 ms

testowanie-b.jpg

testowanie-b.jpg

1014 ms

pxiByp8kv8JHgFVrLGT9Z1JlEw.woff

pxiByp8kv8JHgFVrLGT9Z1JlEw.woff

42 ms

pxiEyp8kv8JHgFVrJJnedA.woff

pxiEyp8kv8JHgFVrJJnedA.woff

43 ms

pxiByp8kv8JHgFVrLEj6Z1JlEw.woff

pxiByp8kv8JHgFVrLEj6Z1JlEw.woff

89 ms

pxiByp8kv8JHgFVrLCz7Z1JlEw.woff

pxiByp8kv8JHgFVrLCz7Z1JlEw.woff

90 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4jE-_G.woff

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4jE-_G.woff

135 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4aE-_G.woff

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4aE-_G.woff

137 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk59E-_G.woff

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk59E-_G.woff

138 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk7PFO_G.woff

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk7PFO_G.woff

136 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk79FO_G.woff

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk79FO_G.woff

135 ms

KFOlCnqEu92Fr1MmWUlfChc-.woff

KFOlCnqEu92Fr1MmWUlfChc-.woff

135 ms

KFOlCnqEu92Fr1MmEU9fChc-.woff

KFOlCnqEu92Fr1MmEU9fChc-.woff

137 ms

fa-solid-900.woff

fa-solid-900.woff

1019 ms

fa-regular-400.woff

fa-regular-400.woff

917 ms

themify.woff

themify.woff

856 ms

fa-brands-400.woff

fa-brands-400.woff

1017 ms

automatyzacja-b.jpg

automatyzacja-b.jpg

934 ms

banner.js

banner.js

477 ms

conversations-embed.js

conversations-embed.js

443 ms

26747501.js

26747501.js

507 ms

collectedforms.js

collectedforms.js

473 ms

testy-wydajnosci-b.jpg

testy-wydajnosci-b.jpg

796 ms

audyt-kodu-b.jpg

audyt-kodu-b.jpg

905 ms

outsourcing-b.jpg

outsourcing-b.jpg

957 ms

konsulting-b.jpg

konsulting-b.jpg

901 ms

audyt-procesow-b.jpg

audyt-procesow-b.jpg

932 ms

wdrozenie-narzedzi-b.jpg

wdrozenie-narzedzi-b.jpg

983 ms

certyfikacja-b.jpg

certyfikacja-b.jpg

976 ms

rafal-stanczak_2023.jpg

rafal-stanczak_2023.jpg

1261 ms

Jaros%C5%82aw%20Hryszko.jpg

Jaros%C5%82aw%20Hryszko.jpg

1377 ms

default.jpg

default.jpg

1001 ms

company-logo-1.png

company-logo-1.png

1003 ms

waysconf2024.jpg

waysconf2024.jpg

987 ms

testerzy-foot.png

testerzy-foot.png

1027 ms

21cn-footer.png

21cn-footer.png

1033 ms

cookies-ico.svg

cookies-ico.svg

1026 ms

Accessibility Review

testerzy.pl accessibility score

91

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

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

Best Practices

testerzy.pl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

testerzy.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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

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

testerzy.pl

Open Graph data is detected on the main page of Testerzy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: