Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

notebook-dily.cz

Katalog | NBSERVIS & Notebook-Dily.cz - Náhradní díly pro notebooky, tablety, mobilní telefony, BGA čipy, díly pro APPLE, díly pro ACER, díly pro ASUS...

Page Load Speed

4.3 sec in total

First Response

357 ms

Resources Loaded

3.6 sec

Page Rendered

377 ms

notebook-dily.cz screenshot

About Website

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

Náhradní díly pro notebook: adaptéry, baterie, displeje (LCD), klávesnice, invertory, grafické karty, LCD kabely, plastové kryty, panty, procesory CPU, RAM paměti SDRAM DDR DDR2, HDD pevné diky, zákla...

Visit notebook-dily.cz

Key Findings

We analyzed Notebook-dily.cz page load time and found that the first response time was 357 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

notebook-dily.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value10,260 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

notebook-dily.cz

357 ms

www.notebook-dily.cz

856 ms

jquery-1.7.2.min.js

587 ms

jquery.cookie.js

232 ms

prototype.js

600 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 90% of them (81 requests) were addressed to the original Notebook-dily.cz, 2% (2 requests) were made to Heureka.cz and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (980 ms) belongs to the original domain Notebook-dily.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 613.1 kB (59%)

Content Size

1.0 MB

After Optimization

423.2 kB

In fact, the total size of Notebook-dily.cz main page is 1.0 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. 40% of websites need less resources to load. Javascripts take 554.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 120.7 kB

  • Original 139.1 kB
  • After minification 129.9 kB
  • After compression 18.5 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 120.7 kB or 87% of the original size.

Image Optimization

-13%

Potential reduce by 37.1 kB

  • Original 284.0 kB
  • After minification 246.9 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, Notebook Dily needs image optimization as it can save up to 37.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 406.1 kB

  • Original 554.0 kB
  • After minification 490.0 kB
  • After compression 147.9 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 406.1 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 49.1 kB

  • Original 59.1 kB
  • After minification 48.0 kB
  • After compression 10.0 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. Notebook-dily.cz needs all CSS files to be minified and compressed as it can save up to 49.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (31%)

Requests Now

87

After Optimization

60

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Notebook Dily. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

notebook-dily.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.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

notebook-dily.cz best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

notebook-dily.cz SEO score

69

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

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 Notebook-dily.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 Notebook-dily.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 Notebook Dily. 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: