Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

nanastenku.cz

Obrázky na Facebook - Obrázky na profil - Obrázky na zeď | NaNastenku.cz

Page Load Speed

6.3 sec in total

First Response

648 ms

Resources Loaded

5.1 sec

Page Rendered

546 ms

nanastenku.cz screenshot

About Website

Welcome to nanastenku.cz homepage info - get ready to check Na Nastenku best content right away, or after learning these important things about nanastenku.cz

Denně aktualizované Obrázky na Facebook, Obrázky na Profil. Zamilované obrázky, Smutné obrázky a další.

Visit nanastenku.cz

Key Findings

We analyzed Nanastenku.cz page load time and found that the first response time was 648 ms and then it took 5.6 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

nanastenku.cz performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value2,010 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

www.nanastenku.cz

648 ms

autoptimize_single_94bb0fa1b7bd04024f697a9aaa8bfdc6.css

211 ms

autoptimize_single_55b3d74d3ab1810f487d51578fb95002.js

316 ms

autoptimize_single_906b6b51b7637ef0d687768f10301c5c.js

315 ms

cz.js

470 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 54% of them (57 requests) were addressed to the original Nanastenku.cz, 10% (10 requests) were made to Facebook.com and 8% (8 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Nanastenku.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.5 kB (18%)

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Nanastenku.cz main page is 1.4 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. Javascripts take 718.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 80.9 kB

  • Original 100.2 kB
  • After minification 100.0 kB
  • After compression 19.3 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 80.9 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 15.4 kB

  • Original 553.2 kB
  • After minification 537.8 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. Na Nastenku images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 151.3 kB

  • Original 718.8 kB
  • After minification 718.8 kB
  • After compression 567.4 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 151.3 kB or 21% of the original size.

CSS Optimization

-3%

Potential reduce by 849 B

  • Original 25.2 kB
  • After minification 25.2 kB
  • After compression 24.3 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. Nanastenku.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 57 (58%)

Requests Now

98

After Optimization

41

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Na Nastenku. 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 from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nanastenku.cz accessibility score

73

Accessibility Issues

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.

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

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

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

nanastenku.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nanastenku.cz SEO score

79

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nanastenku.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nanastenku.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 Na Nastenku. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: