Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

diag.pl

Diagnostyka Laboratoria Medyczne | Badania Krwi | Wyniki on-line

Page Load Speed

1.3 sec in total

First Response

350 ms

Resources Loaded

884 ms

Page Rendered

52 ms

diag.pl screenshot

About Website

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

Badania profilaktyczne bez skierowania, laboratoria w całej Polsce, wyniki on-line. Badania laboratoryjne krwi, badania nietolerancji, genetyczne i badania w ciąży, pobrania w domu.

Visit diag.pl

Key Findings

We analyzed Diag.pl page load time and found that the first response time was 350 ms and then it took 936 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

diag.pl performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

diag.pl

350 ms

diag.pl

424 ms

pacjent

101 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Diag.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (424 ms) belongs to the original domain Diag.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.2 kB (53%)

Content Size

280.4 kB

After Optimization

131.2 kB

In fact, the total size of Diag.pl main page is 280.4 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 169.8 kB which makes up the majority of the site volume.

HTML Optimization

-16%

Potential reduce by 18 B

  • Original 113 B
  • After minification 113 B
  • After compression 95 B

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 18 B or 16% of the original size.

Image Optimization

-35%

Potential reduce by 22.8 kB

  • Original 65.1 kB
  • After minification 42.3 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. Obviously, Diag needs image optimization as it can save up to 22.8 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 88.0 kB

  • Original 169.8 kB
  • After minification 160.1 kB
  • After compression 81.8 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 88.0 kB or 52% of the original size.

CSS Optimization

-85%

Potential reduce by 38.4 kB

  • Original 45.4 kB
  • After minification 28.8 kB
  • After compression 7.0 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. Diag.pl needs all CSS files to be minified and compressed as it can save up to 38.4 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

diag.pl accessibility score

96

Accessibility Issues

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

Document doesn't have a <title> element

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

diag.pl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

diag.pl SEO score

85

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

Document doesn't have a <title> element

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

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diag.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 Diag.pl main page’s claimed encoding is . 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

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