Tools & Wizards About Us
ngprague.cz screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ngprague.cz

Národní galerie Praha | Národní galerie Praha

Page Load Speed

7.7 sec in total

First Response

933 ms

Resources Loaded

6.3 sec

Page Rendered

403 ms

ngprague.cz screenshot

About Website

Welcome to ngprague.cz homepage info - get ready to check Ngprague best content for Czech Republic right away, or after learning these important things about ngprague.cz

Nejstarší kulturní instituce v ČR, která spravuje největší a nejvýznamnější uměleckou sbírku na našem území.

Visit ngprague.cz

Key Findings

We analyzed Ngprague.cz page load time and found that the first response time was 933 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ngprague.cz performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

ngprague.cz

933 ms

css

26 ms

advanced-slider-base.css

246 ms

pixel.css

581 ms

style.css

1008 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 68% of them (77 requests) were addressed to the original Ngprague.cz, 9% (10 requests) were made to Static.xx.fbcdn.net and 6% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Ngprague.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 863.7 kB (37%)

Content Size

2.3 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ngprague.cz main page is 2.3 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. 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 58.8 kB

  • Original 70.5 kB
  • After minification 56.6 kB
  • After compression 11.7 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 14.0 kB, which is 20% 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 58.8 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 42.2 kB

  • Original 1.2 MB
  • After minification 1.2 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. Ngprague images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 505.8 kB

  • Original 690.1 kB
  • After minification 556.1 kB
  • After compression 184.3 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 505.8 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 256.9 kB

  • Original 310.4 kB
  • After minification 298.9 kB
  • After compression 53.5 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. Ngprague.cz needs all CSS files to be minified and compressed as it can save up to 256.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (27%)

Requests Now

104

After Optimization

76

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ngprague. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ngprague.cz

ngprague.cz

933 ms

css

css

26 ms

advanced-slider-base.css

advanced-slider-base.css

246 ms

pixel.css

pixel.css

581 ms

style.css

style.css

1008 ms

lightbox.css

lightbox.css

899 ms

jquery-ui-1.10.3.custom.min.css

jquery-ui-1.10.3.custom.min.css

1042 ms

superfish.css

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357 ms

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1078 ms

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jquery.easing.1.3.min.js

476 ms

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jquery.advancedSlider.min.js

835 ms

script.js

script.js

698 ms

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818 ms

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1295 ms

hoverIntent.js

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955 ms

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1019 ms

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136 ms

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136 ms

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124 ms

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147 ms

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177 ms

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19 ms

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24 ms

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33 ms

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2333 ms

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18 ms

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Accessibility Review

ngprague.cz accessibility score

90

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Best Practices

ngprague.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

ngprague.cz SEO score

83

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 valid hreflang

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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ngprague.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Ngprague.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

ngprague.cz

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