Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

pzwl.pl

Księgarnia Medyczna PZWL

Page Load Speed

3.5 sec in total

First Response

745 ms

Resources Loaded

2.3 sec

Page Rendered

406 ms

pzwl.pl screenshot

About Website

Click here to check amazing PZWL content for Poland. Otherwise, check out these important facts you probably never knew about pzwl.pl

Bestellerowe książki medyczne dla lekarzy, studentów medycyny i nie tylko ✔️ Zamów online z dostawą do domu lub odbierz stacjonarnie!

Visit pzwl.pl

Key Findings

We analyzed Pzwl.pl page load time and found that the first response time was 745 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

pzwl.pl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value5,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

pzwl.pl

745 ms

rwd.css

34 ms

jsTag

394 ms

gtm.js

247 ms

fbevents.js

150 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Pzwl.pl, 34% (39 requests) were made to Emp0pwn0cdn0blob0kipzwl0prod.azureedge.net and 30% (35 requests) were made to Emp-scs.img-osdw.pl. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Emp-scs.img-osdw.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 296.9 kB (20%)

Content Size

1.5 MB

After Optimization

1.2 MB

In fact, the total size of Pzwl.pl main page is 1.5 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. 75% 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 596.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 280.4 kB

  • Original 321.2 kB
  • After minification 273.2 kB
  • After compression 40.7 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 48.0 kB, which is 15% 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 280.4 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 2.0 kB

  • Original 596.5 kB
  • After minification 594.4 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. PZWL images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 14.4 kB

  • Original 575.3 kB
  • After minification 575.3 kB
  • After compression 560.9 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.

Requests Breakdown

Number of requests can be reduced by 29 (32%)

Requests Now

92

After Optimization

63

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PZWL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

pzwl.pl accessibility score

86

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

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.

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

pzwl.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

pzwl.pl SEO score

91

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 Pzwl.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 Pzwl.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 PZWL. 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: