Tools & Wizards About Us
sp21zabrze.mobidziennik.pl screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    47% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 90% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

sp21zabrze.mobidziennik.pl

mobiDziennik - Dziennik elektroniczny - Szkoła Podstawowa nr 21 w Zabrzu w Zabrzu

Page Load Speed

6 sec in total

First Response

473 ms

Resources Loaded

5.2 sec

Page Rendered

270 ms

sp21zabrze.mobidziennik.pl screenshot

About Website

Welcome to sp21zabrze.mobidziennik.pl homepage info - get ready to check Sp 21 Zabrze MobiDziennik best content for Poland right away, or after learning these important things about sp21zabrze.mobidziennik.pl

Dziennik elektroniczny dla wszystkich rodzajów szkół spełniający wymogi ministerialne, bardzo mocno dostosowany do specyfiki polskiej szkoły

Visit sp21zabrze.mobidziennik.pl

Key Findings

We analyzed Sp21zabrze.mobidziennik.pl page load time and found that the first response time was 473 ms and then it took 5.5 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

sp21zabrze.mobidziennik.pl performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value3,470 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

dziennik

473 ms

jquery-2.2.1.min.js

660 ms

jquery-migrate.min.js

458 ms

skrypty_funkcje.js

707 ms

skrypty.js

607 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 71% of them (15 requests) were addressed to the original Sp21zabrze.mobidziennik.pl, 14% (3 requests) were made to Static.xx.fbcdn.net and 5% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.7 kB (18%)

Content Size

77.4 kB

After Optimization

63.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sp21zabrze.mobidziennik.pl main page is 77.4 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. 55% of websites need less resources to load. Javascripts take 37.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 10.5 kB

  • Original 14.1 kB
  • After minification 12.1 kB
  • After compression 3.5 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. This page needs HTML code to be minified as it can gain 2.0 kB, which is 14% 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 10.5 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 1.2 kB

  • Original 21.7 kB
  • After minification 20.5 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. Sp 21 Zabrze MobiDziennik images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.3 kB

  • Original 37.7 kB
  • After minification 37.7 kB
  • After compression 36.4 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

-17%

Potential reduce by 663 B

  • Original 3.9 kB
  • After minification 3.9 kB
  • After compression 3.3 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. Sp21zabrze.mobidziennik.pl needs all CSS files to be minified and compressed as it can save up to 663 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (68%)

Requests Now

19

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sp 21 Zabrze MobiDziennik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dziennik

dziennik

473 ms

jquery-2.2.1.min.js

jquery-2.2.1.min.js

660 ms

jquery-migrate.min.js

jquery-migrate.min.js

458 ms

skrypty_funkcje.js

skrypty_funkcje.js

707 ms

skrypty.js

skrypty.js

607 ms

jquery.tipsy.js

jquery.tipsy.js

477 ms

bootstrap.min.js

bootstrap.min.js

572 ms

bootstrap.min.css

bootstrap.min.css

1286 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

1010 ms

tipsy.css

tipsy.css

1315 ms

tipsy-docs.css

tipsy-docs.css

1316 ms

nowe-logowanie.css

nowe-logowanie.css

1316 ms

css

css

43 ms

fingerprint2.js

fingerprint2.js

1562 ms

like.php

like.php

152 ms

mobidziennik.png

mobidziennik.png

1304 ms

dziennik_elektroniczny_Szkola-Podstawowa-Nr-21-im-Jurija-Gagari1520949198.jpg

dziennik_elektroniczny_Szkola-Podstawowa-Nr-21-im-Jurija-Gagari1520949198.jpg

1305 ms

mi_2nDC26rQ.js

mi_2nDC26rQ.js

160 ms

FEppCFCt76d.png

FEppCFCt76d.png

59 ms

mi_2nDC26rQ.js

mi_2nDC26rQ.js

43 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

2630 ms

Accessibility Review

sp21zabrze.mobidziennik.pl accessibility score

96

Accessibility Issues

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

Best Practices

sp21zabrze.mobidziennik.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

SEO Factors

sp21zabrze.mobidziennik.pl SEO score

93

Search Engine Optimization Advices

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 Sp21zabrze.mobidziennik.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 Sp21zabrze.mobidziennik.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

sp21zabrze.mobidziennik.pl

Open Graph description is not detected on the main page of Sp 21 Zabrze MobiDziennik. 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: