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Welcome to zdz-plock.com.pl homepage info - get ready to check ZDZ Plock Com best content right away, or after learning these important things about zdz-plock.com.pl
Szeroki zakres kursów i szkoleń zawodowych. Ponad 40 lat obecności na rynku usług edukacyjnych. Kształcenie w systemie szkolnym i kursowym.
Visit zdz-plock.com.plWe analyzed Zdz-plock.com.pl page load time and found that the first response time was 1 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zdz-plock.com.pl performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value9.7 s
0/100
25%
Value7.9 s
22/100
10%
Value140 ms
96/100
30%
Value0.374
28/100
15%
Value9.9 s
27/100
10%
1011 ms
120 ms
334 ms
332 ms
335 ms
Our browser made a total of 151 requests to load all elements on the main page. We found that 86% of them (130 requests) were addressed to the original Zdz-plock.com.pl, 7% (10 requests) were made to Static.xx.fbcdn.net and 3% (5 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zdz-plock.com.pl.
Page size can be reduced by 533.7 kB (17%)
3.1 MB
2.6 MB
In fact, the total size of Zdz-plock.com.pl main page is 3.1 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. 70% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 74.0 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 74.0 kB or 86% of the original size.
Potential reduce by 140.1 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. ZDZ Plock Com images are well optimized though.
Potential reduce by 295.2 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 295.2 kB or 72% of the original size.
Potential reduce by 24.5 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. Zdz-plock.com.pl needs all CSS files to be minified and compressed as it can save up to 24.5 kB or 77% of the original size.
Number of requests can be reduced by 39 (27%)
146
107
The browser has sent 146 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZDZ Plock Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
zdz-plock.com.pl
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zdz-plock.com.pl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
zdz-plock.com.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
zdz-plock.com.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zdz-plock.com.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 Zdz-plock.com.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.
zdz-plock.com.pl
Open Graph description is not detected on the main page of ZDZ Plock Com. 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: