Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

knihkupectvi-daniela.cz

Knihkupectví Daniela - Rodinné knihkupectví v Benešově.

Page Load Speed

11.9 sec in total

First Response

517 ms

Resources Loaded

11 sec

Page Rendered

348 ms

knihkupectvi-daniela.cz screenshot

About Website

Visit knihkupectvi-daniela.cz now to see the best up-to-date Knihkupectvi Daniela content for Czech Republic and also check out these interesting facts you probably never knew about knihkupectvi-daniela.cz

Tradiční rodinné knihkupectví s nabídkou více než 8000 knih skladem a prodejnou v Benešově na náměstí. Velký výběr beletrie pro děti i dospělé a učebnic.

Visit knihkupectvi-daniela.cz

Key Findings

We analyzed Knihkupectvi-daniela.cz page load time and found that the first response time was 517 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

knihkupectvi-daniela.cz performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

knihkupectvi-daniela.cz

517 ms

www.knihydaniela.cz

8712 ms

gtm.js

78 ms

bowser.min.js

104 ms

flickity.min.js

211 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Knihkupectvi-daniela.cz, 77% (69 requests) were made to Knihydaniela.cz and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (8.7 sec) relates to the external source Knihydaniela.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 264.2 kB (10%)

Content Size

2.6 MB

After Optimization

2.4 MB

In fact, the total size of Knihkupectvi-daniela.cz main page is 2.6 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 148.7 kB

  • Original 174.0 kB
  • After minification 146.0 kB
  • After compression 25.3 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. This page needs HTML code to be minified as it can gain 28.1 kB, which is 16% 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 148.7 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 97.1 kB

  • Original 2.4 MB
  • After minification 2.3 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. Knihkupectvi Daniela images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 15.9 kB

  • Original 87.4 kB
  • After minification 87.4 kB
  • After compression 71.5 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 15.9 kB or 18% of the original size.

CSS Optimization

-36%

Potential reduce by 2.5 kB

  • Original 6.9 kB
  • After minification 6.9 kB
  • After compression 4.4 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. Knihkupectvi-daniela.cz needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (22%)

Requests Now

86

After Optimization

67

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knihkupectvi Daniela. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

knihkupectvi-daniela.cz accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

knihkupectvi-daniela.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

knihkupectvi-daniela.cz SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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 Knihkupectvi-daniela.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 Knihkupectvi-daniela.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 Knihkupectvi Daniela. 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: