Tools & Wizards About Us
donos.net.pl screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

donos.net.pl

Biuro detektywistyczne

Page Load Speed

1.9 sec in total

First Response

450 ms

Resources Loaded

1.3 sec

Page Rendered

140 ms

donos.net.pl screenshot

About Website

Visit donos.net.pl now to see the best up-to-date Donos content and also check out these interesting facts you probably never knew about donos.net.pl

Visit donos.net.pl

Key Findings

We analyzed Donos.net.pl page load time and found that the first response time was 450 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

donos.net.pl performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

donos.net.pl

450 ms

style.css

161 ms

strona2_01.gif

277 ms

strona2_02.gif

279 ms

strona2_03.gif

278 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Donos.net.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (720 ms) belongs to the original domain Donos.net.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.8 kB (43%)

Content Size

11.1 kB

After Optimization

6.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Donos.net.pl main page is 11.1 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. 15% of websites need less resources to load. HTML takes 5.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 4.2 kB

  • Original 5.9 kB
  • After minification 5.2 kB
  • After compression 1.7 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. This page needs HTML code to be minified as it can gain 699 B, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 4.2 kB or 71% of the original size.

Image Optimization

-8%

Potential reduce by 417 B

  • Original 5.0 kB
  • After minification 4.6 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. Donos images are well optimized though.

CSS Optimization

-51%

Potential reduce by 119 B

  • Original 232 B
  • After minification 167 B
  • After compression 113 B

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. Donos.net.pl needs all CSS files to be minified and compressed as it can save up to 119 B or 51% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • AJAX
  • Images
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donos. According to our analytics all requests are already optimized.

Network Requests Diagram

donos.net.pl

donos.net.pl

450 ms

style.css

style.css

161 ms

strona2_01.gif

strona2_01.gif

277 ms

strona2_02.gif

strona2_02.gif

279 ms

strona2_03.gif

strona2_03.gif

278 ms

spacer.gif

spacer.gif

280 ms

strona2_04.gif

strona2_04.gif

533 ms

strona2_05.gif

strona2_05.gif

434 ms

strona2_06.gif

strona2_06.gif

553 ms

strona2_07.gif

strona2_07.gif

559 ms

strona2_08.gif

strona2_08.gif

438 ms

strona2_09.gif

strona2_09.gif

440 ms

strona2_10.gif

strona2_10.gif

585 ms

strona2_11.gif

strona2_11.gif

720 ms

promocja.jpg

promocja.jpg

594 ms

phone.gif

phone.gif

688 ms

slad.gif

slad.gif

544 ms

donos.net.pl

donos.net.pl

154 ms

donos.net.pl

donos.net.pl

152 ms

Accessibility Review

donos.net.pl accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

donos.net.pl best practices score

75

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

Page has valid source maps

SEO Factors

donos.net.pl SEO score

76

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

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

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Donos.net.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 Donos.net.pl main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

donos.net.pl

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