Tools & Wizards About Us
sp9.olsztyn.pl screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

sp9.olsztyn.pl

sp9.olsztyn.pl - PRZECHWYCONA / CAPTURED

Page Load Speed

6.4 sec in total

First Response

740 ms

Resources Loaded

4.1 sec

Page Rendered

1.6 sec

sp9.olsztyn.pl screenshot

About Website

Visit sp9.olsztyn.pl now to see the best up-to-date Sp 9 Olsztyn content for Poland and also check out these interesting facts you probably never knew about sp9.olsztyn.pl

Szkoła Podstawowa nr 9 w Olsztynie

Visit sp9.olsztyn.pl

Key Findings

We analyzed Sp9.olsztyn.pl page load time and found that the first response time was 740 ms and then it took 5.7 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

sp9.olsztyn.pl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.133

81/100

15%

TTI (Time to Interactive)

Value6.3 s

60/100

10%

Network Requests Diagram

sp9.olsztyn.pl

740 ms

style.css

236 ms

top.jpg

496 ms

menu_2.jpg

223 ms

plan.jpg

227 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Sp9.olsztyn.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Sp9.olsztyn.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.2 kB (19%)

Content Size

915.6 kB

After Optimization

744.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Sp9.olsztyn.pl main page is 915.6 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. Only 10% of websites need less resources to load. Images take 889.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 13.4 kB

  • Original 17.8 kB
  • After minification 16.4 kB
  • After compression 4.4 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 13.4 kB or 76% of the original size.

Image Optimization

-17%

Potential reduce by 150.5 kB

  • Original 889.2 kB
  • After minification 738.7 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. Obviously, Sp 9 Olsztyn needs image optimization as it can save up to 150.5 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-84%

Potential reduce by 7.2 kB

  • Original 8.6 kB
  • After minification 6.6 kB
  • After compression 1.4 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. Sp9.olsztyn.pl needs all CSS files to be minified and compressed as it can save up to 7.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (19%)

Requests Now

27

After Optimization

22

  • Images
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sp 9 Olsztyn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

sp9.olsztyn.pl

sp9.olsztyn.pl

740 ms

style.css

style.css

236 ms

top.jpg

top.jpg

496 ms

menu_2.jpg

menu_2.jpg

223 ms

plan.jpg

plan.jpg

227 ms

zastepstwa.jpg

zastepstwa.jpg

235 ms

dzienniczek.jpg

dzienniczek.jpg

227 ms

jadlospis.jpg

jadlospis.jpg

230 ms

gazetka.jpg

gazetka.jpg

335 ms

kontakt.jpg

kontakt.jpg

338 ms

belka.jpg

belka.jpg

564 ms

tlo_strona.jpg

tlo_strona.jpg

342 ms

lista.png

lista.png

345 ms

aktualnosciBox.png

aktualnosciBox.png

464 ms

rss.png

rss.png

465 ms

txt_up.png

txt_up.png

472 ms

godlo_polski.bmp

godlo_polski.bmp

1324 ms

sp9.jpg

sp9.jpg

1027 ms

odkrywcy.jpeg

odkrywcy.jpeg

779 ms

szkola_w_ruchu.jpg

szkola_w_ruchu.jpg

1599 ms

TiK.jpg

TiK.jpg

3154 ms

logo_zf_new.jpg

logo_zf_new.jpg

816 ms

szkola_bez_przemocy.jpg

szkola_bez_przemocy.jpg

1238 ms

txt_down.png

txt_down.png

928 ms

facebook.jpg

facebook.jpg

1065 ms

bip.jpg

bip.jpg

1156 ms

epuap.png

epuap.png

1199 ms

logo_z_listkiem.jpg

logo_z_listkiem.jpg

1270 ms

Accessibility Review

sp9.olsztyn.pl accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

sp9.olsztyn.pl best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sp9.olsztyn.pl SEO score

85

Search Engine Optimization Advices

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

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sp9.olsztyn.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 Sp9.olsztyn.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

sp9.olsztyn.pl

Open Graph description is not detected on the main page of Sp 9 Olsztyn. 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: