Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

pandemic.cz

Studio PANDEMIC

Page Load Speed

6.8 sec in total

First Response

874 ms

Resources Loaded

4.9 sec

Page Rendered

1.1 sec

pandemic.cz screenshot

About Website

Click here to check amazing PANDEMIC content for Czech Republic. Otherwise, check out these important facts you probably never knew about pandemic.cz

Kreativní studio PANDEMIC, vydavatelská značka The Wrr

Visit pandemic.cz

Key Findings

We analyzed Pandemic.cz page load time and found that the first response time was 874 ms and then it took 5.9 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

pandemic.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value11,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value20.7 s

2/100

10%

Network Requests Diagram

pandemic.cz

874 ms

stylesheet.css

110 ms

_config-pandemic.cz.js

197 ms

all_in_one.js

301 ms

functions.js

204 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 86% of them (92 requests) were addressed to the original Pandemic.cz, 3% (3 requests) were made to Staticxx.facebook.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Pandemic.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 259.8 kB (7%)

Content Size

3.7 MB

After Optimization

3.4 MB

In fact, the total size of Pandemic.cz main page is 3.7 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. 60% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 80.5 kB

  • Original 92.3 kB
  • After minification 59.0 kB
  • After compression 11.8 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 33.3 kB, which is 36% 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 80.5 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 23.7 kB

  • Original 3.3 MB
  • After minification 3.3 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. PANDEMIC images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 84.3 kB

  • Original 130.8 kB
  • After minification 117.2 kB
  • After compression 46.5 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 84.3 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 71.3 kB

  • Original 82.5 kB
  • After minification 61.9 kB
  • After compression 11.2 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. Pandemic.cz needs all CSS files to be minified and compressed as it can save up to 71.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (21%)

Requests Now

104

After Optimization

82

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PANDEMIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

pandemic.cz accessibility score

57

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

pandemic.cz 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

SEO Factors

pandemic.cz SEO score

92

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

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pandemic.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Pandemic.cz 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 data is detected on the main page of PANDEMIC. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: