Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

zs1-blonie.pl

Zespół Szkół nr 1 im. Melchiora Wańkowicza w Błoniu

Page Load Speed

3.1 sec in total

First Response

531 ms

Resources Loaded

2.3 sec

Page Rendered

282 ms

zs1-blonie.pl screenshot

About Website

Click here to check amazing Zs 1 Blonie content. Otherwise, check out these important facts you probably never knew about zs1-blonie.pl

Melchior Wańkowicz urodził się w 1892 roku w Kałużycach na Mińszczyźnie (Białoruś). Pochodził z rodziny ziemiańskiej. Jego ojciec był powstańcem z 1863 roku.

Visit zs1-blonie.pl

Key Findings

We analyzed Zs1-blonie.pl page load time and found that the first response time was 531 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zs1-blonie.pl performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

zs1-blonie.pl

531 ms

style2.css

138 ms

css

26 ms

css

39 ms

jquery-latest.min.js

8 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 85% of them (33 requests) were addressed to the original Zs1-blonie.pl, 8% (3 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zs1-blonie.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 319.4 kB (18%)

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Zs1-blonie.pl main page is 1.8 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. 25% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 7.8 kB

  • Original 9.8 kB
  • After minification 9.2 kB
  • After compression 2.1 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 7.8 kB or 79% of the original size.

Image Optimization

-16%

Potential reduce by 289.9 kB

  • Original 1.8 MB
  • After minification 1.5 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. Obviously, Zs 1 Blonie needs image optimization as it can save up to 289.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 5.3 kB

  • Original 7.0 kB
  • After minification 4.3 kB
  • After compression 1.6 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 5.3 kB or 77% of the original size.

CSS Optimization

-84%

Potential reduce by 16.4 kB

  • Original 19.5 kB
  • After minification 14.7 kB
  • After compression 3.1 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. Zs1-blonie.pl needs all CSS files to be minified and compressed as it can save up to 16.4 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

35

After Optimization

35

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zs 1 Blonie. According to our analytics all requests are already optimized.

Accessibility Review

zs1-blonie.pl accessibility score

97

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.

Best Practices

zs1-blonie.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

zs1-blonie.pl SEO score

88

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zs1-blonie.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zs1-blonie.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 description is not detected on the main page of Zs 1 Blonie. 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: