Report Summary

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    Best Practices

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Wrocław - Europejska Stolica Kultury 2016 – Zapraszamy!

Page Load Speed

6.1 sec in total

First Response

374 ms

Resources Loaded

5 sec

Page Rendered

713 ms screenshot

About Website

Visit now to see the best up-to-date Wroclaw 2016 content for Poland and also check out these interesting facts you probably never knew about

Zapraszamy do Wrocławia – Europejskiej Stolicy Kultury 2016. W planie wydarzenia artystyczne, festiwale, programy społeczno-kulturalne i wiele innych!


Key Findings

We analyzed page load time and found that the first response time was 374 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

374 ms

518 ms


26 ms


228 ms


222 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 78% of them (62 requests) were addressed to the original, 4% (3 requests) were made to and 4% (3 requests) were made to The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (17%)

Content Size

6.3 MB

After Optimization

5.2 MB

In fact, the total size of main page is 6.3 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. 55% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 212.8 kB

  • Original 231.7 kB
  • After minification 130.1 kB
  • After compression 19.0 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. This page needs HTML code to be minified as it can gain 101.6 kB, which is 44% 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 212.8 kB or 92% of the original size.

Image Optimization


Potential reduce by 122.8 kB

  • Original 5.0 MB
  • After minification 4.9 MB

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. Wroclaw 2016 images are well optimized though.

JavaScript Optimization


Potential reduce by 438.1 kB

  • Original 678.4 kB
  • After minification 678.3 kB
  • After compression 240.3 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 438.1 kB or 65% of the original size.

CSS Optimization


Potential reduce by 292.4 kB

  • Original 356.7 kB
  • After minification 356.1 kB
  • After compression 64.3 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. needs all CSS files to be minified and compressed as it can save up to 292.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (24%)

Requests Now


After Optimization


The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wroclaw 2016. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 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 Wroclaw 2016. 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: