Tools & Wizards About Us

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

zsgs.olsztyn.pl

Zespół Szkół Gastronomiczno-Spożywczych w Olsztynie

Page Load Speed

5 sec in total

First Response

817 ms

Resources Loaded

3.8 sec

Page Rendered

319 ms

About Website

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

Zapraszamy na stronę Zespołu Szkół Gastronomiczno-Spożywczych w Olsztynie, znajdziecie tu szkolne wydarzenia, ofertę kształcenia oraz informacje o szkole.

Visit zsgs.olsztyn.pl

Key Findings

We analyzed Zsgs.olsztyn.pl page load time and found that the first response time was 817 ms and then it took 4.1 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

zsgs.olsztyn.pl performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

zsgs.olsztyn.pl

817 ms

jquery.bxslider.css

241 ms

custom-styles.css

292 ms

front.css

279 ms

cli-style.css

291 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 57% of them (76 requests) were addressed to the original Zsgs.olsztyn.pl, 22% (29 requests) were made to Static.xx.fbcdn.net and 7% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zsgs.olsztyn.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (33%)

Content Size

3.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zsgs.olsztyn.pl main page is 3.6 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. 65% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 71.4 kB

  • Original 88.6 kB
  • After minification 88.1 kB
  • After compression 17.3 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 71.4 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 43.4 kB

  • Original 2.1 MB
  • After minification 2.1 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. Zsgs Olsztyn images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 612.1 kB

  • Original 856.9 kB
  • After minification 755.9 kB
  • After compression 244.8 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 612.1 kB or 71% of the original size.

CSS Optimization

-80%

Potential reduce by 458.6 kB

  • Original 570.8 kB
  • After minification 546.5 kB
  • After compression 112.2 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. Zsgs.olsztyn.pl needs all CSS files to be minified and compressed as it can save up to 458.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 77 (60%)

Requests Now

128

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zsgs Olsztyn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zsgs.olsztyn.pl accessibility score

78

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

zsgs.olsztyn.pl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

zsgs.olsztyn.pl SEO score

64

Search Engine Optimization Advices

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 Zsgs.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 Zsgs.olsztyn.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

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