Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

lipsum.cz

Lipsum.cz - generátor náhodného textu

Page Load Speed

1.6 sec in total

First Response

322 ms

Resources Loaded

1.1 sec

Page Rendered

164 ms

lipsum.cz screenshot

About Website

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

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Key Findings

We analyzed Lipsum.cz page load time and found that the first response time was 322 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

lipsum.cz performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

lipsum.cz

322 ms

styles.css

104 ms

jquery.js

310 ms

ZeroClipboard.js

206 ms

plax.js

205 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 44% of them (20 requests) were addressed to the original Lipsum.cz, 18% (8 requests) were made to Apis.google.com and 9% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (379 ms) belongs to the original domain Lipsum.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.7 kB (35%)

Content Size

291.5 kB

After Optimization

188.7 kB

In fact, the total size of Lipsum.cz main page is 291.5 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. 60% of websites need less resources to load. Images take 137.1 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 7.6 kB

  • Original 12.0 kB
  • After minification 11.1 kB
  • After compression 4.4 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 7.6 kB or 64% of the original size.

Image Optimization

-15%

Potential reduce by 20.4 kB

  • Original 137.1 kB
  • After minification 116.7 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, Lipsum needs image optimization as it can save up to 20.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 69.7 kB

  • Original 135.8 kB
  • After minification 129.5 kB
  • After compression 66.1 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 69.7 kB or 51% of the original size.

CSS Optimization

-76%

Potential reduce by 5.0 kB

  • Original 6.6 kB
  • After minification 5.4 kB
  • After compression 1.6 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. Lipsum.cz needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lipsum. 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 as a result speed up the page load time.

Accessibility Review

lipsum.cz accessibility score

84

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

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

Best Practices

lipsum.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

lipsum.cz SEO score

58

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 uses plugins

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 Lipsum.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 Lipsum.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 description is not detected on the main page of Lipsum. 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: