Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

zamecnictvi-zamecnici.cz

Zámečníci Praha | Otevírání zámků | Výroba klíčů | Nonstop pohotovost

Page Load Speed

3.6 sec in total

First Response

477 ms

Resources Loaded

2.9 sec

Page Rendered

218 ms

zamecnictvi-zamecnici.cz screenshot

About Website

Click here to check amazing Zamecnictvi Zamecnici content. Otherwise, check out these important facts you probably never knew about zamecnictvi-zamecnici.cz

Otevírání zámků, pohotovost zámečníci, otevírání bytů, domů, trezorů a automobilů

Visit zamecnictvi-zamecnici.cz

Key Findings

We analyzed Zamecnictvi-zamecnici.cz page load time and found that the first response time was 477 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

zamecnictvi-zamecnici.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

6/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value670 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

zamecnictvi-zamecnici.cz

477 ms

jquery.js

766 ms

jqueryui.js

620 ms

dle_js.js

336 ms

style.css

435 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that all of those requests were addressed to Zamecnictvi-zamecnici.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Zamecnictvi-zamecnici.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.2 kB (43%)

Content Size

564.9 kB

After Optimization

319.7 kB

In fact, the total size of Zamecnictvi-zamecnici.cz main page is 564.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 302.4 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 14.4 kB

  • Original 20.1 kB
  • After minification 18.7 kB
  • After compression 5.7 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. 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 14.4 kB or 72% of the original size.

Image Optimization

-18%

Potential reduce by 55.3 kB

  • Original 302.4 kB
  • After minification 247.1 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. Obviously, Zamecnictvi Zamecnici needs image optimization as it can save up to 55.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 134.6 kB

  • Original 192.9 kB
  • After minification 187.3 kB
  • After compression 58.4 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 134.6 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 40.9 kB

  • Original 49.4 kB
  • After minification 38.1 kB
  • After compression 8.5 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. Zamecnictvi-zamecnici.cz needs all CSS files to be minified and compressed as it can save up to 40.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

36

After Optimization

33

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zamecnictvi Zamecnici. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zamecnictvi-zamecnici.cz accessibility score

88

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

Best Practices

zamecnictvi-zamecnici.cz best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zamecnictvi-zamecnici.cz SEO score

99

Search Engine Optimization Advices

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

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zamecnictvi-zamecnici.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 Zamecnictvi-zamecnici.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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