Tools & Wizards About Us
elektroniczna.kopalniawiedzy.pl screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% 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

elektroniczna.kopalniawiedzy.pl

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

Page Load Speed

3.2 sec in total

First Response

201 ms

Resources Loaded

2.7 sec

Page Rendered

271 ms

elektroniczna.kopalniawiedzy.pl screenshot

About Website

Visit elektroniczna.kopalniawiedzy.pl now to see the best up-to-date Elektroniczna Kopalnia Wiedzy content for Poland and also check out these interesting facts you probably never knew about elektroniczna.kopalniawiedzy.pl

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

Visit elektroniczna.kopalniawiedzy.pl

Key Findings

We analyzed Elektroniczna.kopalniawiedzy.pl page load time and found that the first response time was 201 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

elektroniczna.kopalniawiedzy.pl performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value2,120 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.719

6/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

elektroniczna.kopalniawiedzy.pl

201 ms

kopalniawiedzy.pl

1078 ms

styles.min.css

86 ms

fluid.min.css

170 ms

jquery-1.9.1.min.js

20 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Elektroniczna.kopalniawiedzy.pl, 33% (35 requests) were made to Static.xx.fbcdn.net and 33% (35 requests) were made to Kopalniawiedzy.pl. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Kopalniawiedzy.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.8 kB (10%)

Content Size

860.5 kB

After Optimization

778.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elektroniczna.kopalniawiedzy.pl main page is 860.5 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. 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. Images take 505.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 57.9 kB

  • Original 75.1 kB
  • After minification 69.5 kB
  • After compression 17.2 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 57.9 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 11.1 kB

  • Original 505.4 kB
  • After minification 494.3 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. Elektroniczna Kopalnia Wiedzy images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 12.8 kB

  • Original 272.7 kB
  • After minification 265.0 kB
  • After compression 260.0 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

-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. Elektroniczna.kopalniawiedzy.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 55 (55%)

Requests Now

100

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elektroniczna 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 40 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

elektroniczna.kopalniawiedzy.pl

elektroniczna.kopalniawiedzy.pl

201 ms

kopalniawiedzy.pl

kopalniawiedzy.pl

1078 ms

styles.min.css

styles.min.css

86 ms

fluid.min.css

fluid.min.css

170 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

20 ms

jquery-ui.min.js

jquery-ui.min.js

23 ms

jquery.cookie.js

jquery.cookie.js

252 ms

jquery.cookiebar.js

jquery.cookiebar.js

252 ms

carousel.js

carousel.js

252 ms

adsbygoogle.js

adsbygoogle.js

112 ms

js

js

51 ms

js

js

86 ms

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astro1.jpeg.9933c3cf1cd5ec16035fc66baad54b20.jpeg

512 ms

kw-bg.gif

kw-bg.gif

88 ms

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89 ms

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266 ms

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171 ms

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172 ms

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171 ms

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265 ms

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266 ms

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266 ms

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267 ms

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267 ms

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424 ms

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435 ms

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435 ms

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435 ms

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patronite_bk_md.png

434 ms

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435 ms

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510 ms

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512 ms

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509 ms

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fb.png

511 ms

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516 ms

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show_ads_impl.js

303 ms

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all.js

49 ms

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js

70 ms

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analytics.js

66 ms

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js

149 ms

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login.gif

375 ms

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search.gif

377 ms

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btn-start.gif

457 ms

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btn-white.gif

465 ms

all.js

all.js

12 ms

collect

collect

244 ms

collect

collect

239 ms

arrow.png

arrow.png

338 ms

rss.png

rss.png

286 ms

forum.kopalniawiedzy.pl

forum.kopalniawiedzy.pl

842 ms

bottom-bar.gif

bottom-bar.gif

260 ms

like_box.php

like_box.php

501 ms

zrt_lookup.html

zrt_lookup.html

66 ms

ads

ads

408 ms

ads

ads

297 ms

collect

collect

39 ms

ads

ads

348 ms

ads

ads

274 ms

ca-pub-5741557688388093

ca-pub-5741557688388093

207 ms

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21 ms

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23 ms

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Accessibility Review

elektroniczna.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

elektroniczna.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

elektroniczna.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 Elektroniczna.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 Elektroniczna.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

elektroniczna.kopalniawiedzy.pl

Open Graph description is not detected on the main page of Elektroniczna 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: