Tools & Wizards About Us
notebookblog.cz screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

notebookblog.cz

» NotebookBlog / Postřehy a zkušenosti ze světa mobilní techniky

Page Load Speed

5.6 sec in total

First Response

698 ms

Resources Loaded

3.9 sec

Page Rendered

998 ms

notebookblog.cz screenshot

About Website

Visit notebookblog.cz now to see the best up-to-date Notebook Blog content for Czech Republic and also check out these interesting facts you probably never knew about notebookblog.cz

Visit notebookblog.cz

Key Findings

We analyzed Notebookblog.cz page load time and found that the first response time was 698 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

notebookblog.cz performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

notebookblog.cz

698 ms

style.css

263 ms

style.css

265 ms

jquery.js

651 ms

jquery-migrate.min.js

270 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Notebookblog.cz, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Notebookblog.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 777.8 kB (24%)

Content Size

3.2 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Notebookblog.cz main page is 3.2 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. 30% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 34.4 kB

  • Original 43.1 kB
  • After minification 38.4 kB
  • After compression 8.7 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. This page needs HTML code to be minified as it can gain 4.8 kB, which is 11% 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 34.4 kB or 80% of the original size.

Image Optimization

-21%

Potential reduce by 632.8 kB

  • Original 3.0 MB
  • After minification 2.4 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. Obviously, Notebook Blog needs image optimization as it can save up to 632.8 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 99.2 kB

  • Original 157.1 kB
  • After minification 157.1 kB
  • After compression 57.9 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 99.2 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 11.4 kB

  • Original 14.0 kB
  • After minification 9.6 kB
  • After compression 2.6 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. Notebookblog.cz needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (47%)

Requests Now

30

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Notebook Blog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

notebookblog.cz

notebookblog.cz

698 ms

style.css

style.css

263 ms

style.css

style.css

265 ms

jquery.js

jquery.js

651 ms

jquery-migrate.min.js

jquery-migrate.min.js

270 ms

external-tracking.min.js

external-tracking.min.js

278 ms

widgets.js

widgets.js

87 ms

analytics.js

analytics.js

106 ms

shadowbg.png

shadowbg.png

133 ms

top.png

top.png

650 ms

content-bg.gif

content-bg.gif

157 ms

hr.gif

hr.gif

131 ms

user.png

user.png

128 ms

clock.png

clock.png

128 ms

document.png

document.png

257 ms

comments.png

comments.png

256 ms

stare-pocitace-spectrum-plus-02.jpg

stare-pocitace-spectrum-plus-02.jpg

1318 ms

02.jpg

02.jpg

1378 ms

pentile-05.png

pentile-05.png

2657 ms

mobile-xeon-inside.jpg

mobile-xeon-inside.jpg

1141 ms

elan-touchpad2.png

elan-touchpad2.png

907 ms

zaseky.png

zaseky.png

783 ms

skylake.jpg

skylake.jpg

1562 ms

bytefest-2015-01.jpg

bytefest-2015-01.jpg

1712 ms

skoda-citigo-01.jpg

skoda-citigo-01.jpg

1656 ms

wigig-wireless-dock-hp.jpg

wigig-wireless-dock-hp.jpg

1848 ms

input.gif

input.gif

1510 ms

search.gif

search.gif

1669 ms

facebook-logo2.png

facebook-logo2.png

1695 ms

sidebar-li.gif

sidebar-li.gif

1782 ms

collect

collect

14 ms

Accessibility Review

notebookblog.cz accessibility score

86

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

Form elements do not have associated labels

Best Practices

notebookblog.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

notebookblog.cz SEO score

69

Search Engine Optimization Advices

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 Notebookblog.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 Notebookblog.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

notebookblog.cz

Open Graph description is not detected on the main page of Notebook Blog. 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: