Tools & Wizards About Us
astronomia.zagan.pl screenshot

Report Summary

  • 0

    Performance

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

astronomia.zagan.pl

Gwiezdne Wrota Odkryj Wszechświat dla Siebie - News

Page Load Speed

13.9 sec in total

First Response

400 ms

Resources Loaded

7 sec

Page Rendered

6.5 sec

astronomia.zagan.pl screenshot

About Website

Visit astronomia.zagan.pl now to see the best up-to-date Astronomia Zagan content for Poland and also check out these interesting facts you probably never knew about astronomia.zagan.pl

Strona po?wi?cona astronomii amatorskiej i wsp�?pracy mi?o?nik�w nieba z profesjonalnymi astronomami. Poradniki dla zainteresowanych obserwacjami nieba. Recenzje sprz?tu astronomicznego i oprogram...

Visit astronomia.zagan.pl

Key Findings

We analyzed Astronomia.zagan.pl page load time and found that the first response time was 400 ms and then it took 13.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

astronomia.zagan.pl performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value4,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value33.9 s

0/100

10%

Network Requests Diagram

astronomia.zagan.pl

400 ms

news.php

543 ms

styles.css

118 ms

jquery.js

233 ms

jscript.js

346 ms

Our browser made a total of 239 requests to load all elements on the main page. We found that 75% of them (179 requests) were addressed to the original Astronomia.zagan.pl, 5% (12 requests) were made to Youtube.com and 3% (8 requests) were made to Embed.windy.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Astronomia.zagan.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (5%)

Content Size

22.2 MB

After Optimization

21.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astronomia.zagan.pl main page is 22.2 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. Images take 21.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 108.0 kB

  • Original 139.3 kB
  • After minification 129.6 kB
  • After compression 31.3 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 108.0 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 1.0 MB

  • Original 21.5 MB
  • After minification 20.4 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. Astronomia Zagan images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 52.1 kB

  • Original 456.0 kB
  • After minification 455.7 kB
  • After compression 403.8 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 52.1 kB or 11% of the original size.

CSS Optimization

-6%

Potential reduce by 5.8 kB

  • Original 98.2 kB
  • After minification 98.2 kB
  • After compression 92.4 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. Astronomia.zagan.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (18%)

Requests Now

223

After Optimization

183

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 223 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astronomia Zagan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

astronomia.zagan.pl

astronomia.zagan.pl

400 ms

news.php

news.php

543 ms

styles.css

styles.css

118 ms

jquery.js

jquery.js

233 ms

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346 ms

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Accessibility Review

astronomia.zagan.pl accessibility score

59

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

astronomia.zagan.pl best practices score

58

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

astronomia.zagan.pl SEO score

91

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Astronomia.zagan.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 Astronomia.zagan.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

astronomia.zagan.pl

Open Graph description is not detected on the main page of Astronomia Zagan. 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: