Tools & Wizards About Us
katalog-stron.edu.pl screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

katalog-stron.edu.pl

Darmowy Katalog Stron - Katalog stron, linki bezpośrednie, katalog moderowany

Page Load Speed

5.9 sec in total

First Response

1.5 sec

Resources Loaded

3.7 sec

Page Rendered

676 ms

katalog-stron.edu.pl screenshot

About Website

Visit katalog-stron.edu.pl now to see the best up-to-date Katalog Stron content and also check out these interesting facts you probably never knew about katalog-stron.edu.pl

Darmowy Katalog Stron - Katalog stron internetowych. Baza stron WWW. Dodaj swoją stronę za darmochę. Nie zwlekaj bo być może Twoja konkurencja tu jest. Zareklamuj swoją stronę w Internecie!

Visit katalog-stron.edu.pl

Key Findings

We analyzed Katalog-stron.edu.pl page load time and found that the first response time was 1.5 sec and then it took 4.4 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

katalog-stron.edu.pl performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value3,450 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

Network Requests Diagram

katalog-stron.edu.pl

1527 ms

css

28 ms

reset.css

159 ms

style.css

221 ms

cookie.message.css

225 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 23% of them (7 requests) were addressed to the original Katalog-stron.edu.pl, 32% (10 requests) were made to Jaguar.leadstar.com.pl and 26% (8 requests) were made to Free.pagepeeker.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Katalog-stron.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.0 kB (30%)

Content Size

520.7 kB

After Optimization

365.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katalog-stron.edu.pl main page is 520.7 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. 35% of websites need less resources to load. Images take 422.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.2 kB

  • Original 28.9 kB
  • After minification 28.8 kB
  • After compression 6.7 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 22.2 kB or 77% of the original size.

Image Optimization

-31%

Potential reduce by 131.4 kB

  • Original 422.7 kB
  • After minification 291.3 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, Katalog Stron needs image optimization as it can save up to 131.4 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 253 B

  • Original 64.8 kB
  • After minification 64.8 kB
  • After compression 64.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-28%

Potential reduce by 1.2 kB

  • Original 4.2 kB
  • After minification 4.2 kB
  • After compression 3.0 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. Katalog-stron.edu.pl needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (41%)

Requests Now

29

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katalog Stron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

katalog-stron.edu.pl

katalog-stron.edu.pl

1527 ms

css

css

28 ms

reset.css

reset.css

159 ms

style.css

style.css

221 ms

cookie.message.css

cookie.message.css

225 ms

js

js

94 ms

script.js

script.js

442 ms

cookie.message.js

cookie.message.js

382 ms

js

js

90 ms

placeholder.jpg

placeholder.jpg

249 ms

pools

pools

765 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

48 ms

analytics.js

analytics.js

45 ms

pools

pools

690 ms

pools

pools

1158 ms

collect

collect

18 ms

pools

pools

1050 ms

pools

pools

660 ms

thumbs.php

thumbs.php

239 ms

thumbs.php

thumbs.php

211 ms

f024eaa8193204983ae3b6192be83749.jpg

f024eaa8193204983ae3b6192be83749.jpg

341 ms

e924c263c35015a6ac3a153938048de0.png

e924c263c35015a6ac3a153938048de0.png

456 ms

thumbs.php

thumbs.php

115 ms

thumbs.php

thumbs.php

289 ms

ef57985a6e2dd91c6c7214ef2b781fad.jpg

ef57985a6e2dd91c6c7214ef2b781fad.jpg

248 ms

thumbs.php

thumbs.php

103 ms

thumbs.php

thumbs.php

101 ms

thumbs.php

thumbs.php

123 ms

thumbs.php

thumbs.php

197 ms

47b00249e2d3679e94e8526ddb6ed8d9.png

47b00249e2d3679e94e8526ddb6ed8d9.png

536 ms

6df45eaab498ab052dd4807fc6cd6a35.jpg

6df45eaab498ab052dd4807fc6cd6a35.jpg

125 ms

Accessibility Review

katalog-stron.edu.pl accessibility score

92

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.

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

katalog-stron.edu.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

katalog-stron.edu.pl SEO score

95

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

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 Katalog-stron.edu.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 Katalog-stron.edu.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

katalog-stron.edu.pl

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