Tools & Wizards About Us

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

zamkor.fizyka.pl

home.pl: Nr 1 w Polsce. Domeny, Hosting, Serwery WWW, Strony, eSklep, Office 365

Page Load Speed

4.6 sec in total

First Response

734 ms

Resources Loaded

3.6 sec

Page Rendered

211 ms

About Website

Visit zamkor.fizyka.pl now to see the best up-to-date Zamkor Fizyka content and also check out these interesting facts you probably never knew about zamkor.fizyka.pl

Visit zamkor.fizyka.pl

Key Findings

We analyzed Zamkor.fizyka.pl page load time and found that the first response time was 734 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zamkor.fizyka.pl performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

zamkor.fizyka.pl

734 ms

fizyka.zamkor.pl

460 ms

template7_css.css

237 ms

style.css

239 ms

box_left5.css

241 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Zamkor.fizyka.pl, 92% (57 requests) were made to Fizyka.zamkor.pl and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Fizyka.zamkor.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 956.7 kB (59%)

Content Size

1.6 MB

After Optimization

663.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zamkor.fizyka.pl main page is 1.6 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. 45% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 23.5 kB

  • Original 31.3 kB
  • After minification 29.3 kB
  • After compression 7.8 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 23.5 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 16.4 kB

  • Original 384.0 kB
  • After minification 367.6 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. Zamkor Fizyka images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 877.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 280.4 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 877.1 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 39.7 kB

  • Original 47.5 kB
  • After minification 37.0 kB
  • After compression 7.8 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. Zamkor.fizyka.pl needs all CSS files to be minified and compressed as it can save up to 39.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (43%)

Requests Now

60

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zamkor Fizyka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zamkor.fizyka.pl accessibility score

76

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

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

zamkor.fizyka.pl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

zamkor.fizyka.pl SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Zamkor.fizyka.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 Zamkor.fizyka.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 Zamkor Fizyka. 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: