Tools & Wizards About Us
kopalniawiedzy.pl screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

kopalniawiedzy.pl

Kopalnia Wiedzy - Najnowsze osiągnięcia, najważniejsze odkrycia, wynalazki, które zmieniają świat.

Page Load Speed

4.4 sec in total

First Response

200 ms

Resources Loaded

4 sec

Page Rendered

266 ms

kopalniawiedzy.pl screenshot

About Website

Welcome to kopalniawiedzy.pl homepage info - get ready to check Kopalnia Wiedzy best content for Poland right away, or after learning these important things about kopalniawiedzy.pl

Najświeższe informacje naukowe i techniczne. Najnowsze osiągnięcia, najważniejsze odkrycia, wynalazki, które zmieniają świat.

Visit kopalniawiedzy.pl

Key Findings

We analyzed Kopalniawiedzy.pl page load time and found that the first response time was 200 ms and then it took 4.2 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

kopalniawiedzy.pl performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.589

11/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

kopalniawiedzy.pl

200 ms

kopalniawiedzy.pl

1037 ms

styles.min.css

91 ms

fluid.min.css

180 ms

jquery-1.9.1.min.js

25 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 23% of them (31 requests) were addressed to the original Kopalniawiedzy.pl, 25% (34 requests) were made to Static.xx.fbcdn.net and 10% (14 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Kopalniawiedzy.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 440.4 kB (30%)

Content Size

1.5 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kopalniawiedzy.pl main page is 1.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 923.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 63.4 kB

  • Original 79.1 kB
  • After minification 73.5 kB
  • After compression 15.8 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 63.4 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 8.2 kB

  • Original 460.4 kB
  • After minification 452.2 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. Kopalnia Wiedzy images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 368.8 kB

  • Original 923.5 kB
  • After minification 915.8 kB
  • After compression 554.7 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 368.8 kB or 40% of the original size.

CSS Optimization

-1%

Potential reduce by 49 B

  • Original 7.2 kB
  • After minification 7.2 kB
  • After compression 7.2 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. Kopalniawiedzy.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 82 (64%)

Requests Now

128

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kopalnia Wiedzy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kopalniawiedzy.pl

kopalniawiedzy.pl

200 ms

kopalniawiedzy.pl

kopalniawiedzy.pl

1037 ms

styles.min.css

styles.min.css

91 ms

fluid.min.css

fluid.min.css

180 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

25 ms

jquery-ui.min.js

jquery-ui.min.js

29 ms

jquery.cookie.js

jquery.cookie.js

251 ms

jquery.cookiebar.js

jquery.cookiebar.js

254 ms

carousel.js

carousel.js

253 ms

adsbygoogle.js

adsbygoogle.js

122 ms

js

js

55 ms

js

js

91 ms

kw-bg.gif

kw-bg.gif

128 ms

kopalnia_wiedzyUKR.png

kopalnia_wiedzyUKR.png

127 ms

o-joelrod.jpg

o-joelrod.jpg

187 ms

o-crew12.jpg

o-crew12.jpg

225 ms

o-mikrosoczewa.jpg

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292 ms

i-greatbluehole.jpg

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210 ms

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210 ms

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293 ms

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295 ms

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i-bruno.jpg

294 ms

i-ekscalibur.jpg

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448 ms

patronite_bk_md.png

patronite_bk_md.png

449 ms

mks-ad-v2.png

mks-ad-v2.png

449 ms

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450 ms

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450 ms

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453 ms

fb.png

fb.png

450 ms

show_ads_impl.js

show_ads_impl.js

234 ms

all.js

all.js

84 ms

js

js

82 ms

analytics.js

analytics.js

145 ms

js

js

133 ms

login.gif

login.gif

267 ms

search.gif

search.gif

266 ms

btn-start.gif

btn-start.gif

267 ms

btn-white.gif

btn-white.gif

267 ms

all.js

all.js

68 ms

collect

collect

210 ms

collect

collect

208 ms

arrow.png

arrow.png

124 ms

zrt_lookup.html

zrt_lookup.html

101 ms

ads

ads

475 ms

ads

ads

362 ms

rss.png

rss.png

85 ms

forum.kopalniawiedzy.pl

forum.kopalniawiedzy.pl

930 ms

bottom-bar.gif

bottom-bar.gif

87 ms

collect

collect

50 ms

like_box.php

like_box.php

572 ms

ads

ads

481 ms

ads

ads

794 ms

reactive_library.js

reactive_library.js

193 ms

ca-pub-5741557688388093

ca-pub-5741557688388093

96 ms

pixel

pixel

88 ms

dv3.js

dv3.js

102 ms

window_focus.js

window_focus.js

22 ms

qs_click_protection.js

qs_click_protection.js

26 ms

ufs_web_display.js

ufs_web_display.js

25 ms

gen_204

gen_204

99 ms

poMH01aSKxr.css

poMH01aSKxr.css

111 ms

1PUL8ojhKOZ.css

1PUL8ojhKOZ.css

252 ms

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Accessibility Review

kopalniawiedzy.pl accessibility score

89

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.

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

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

kopalniawiedzy.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

High

Page has valid source maps

SEO Factors

kopalniawiedzy.pl SEO score

90

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

    PL

  • Encoding

    UTF-8

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

kopalniawiedzy.pl

Open Graph description is not detected on the main page of Kopalnia Wiedzy. 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: