Tools & Wizards About Us
visualllab.net screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

visualllab.net

Vizuální Myšlení a Hravé Návrhářství | Vizuálně i teatrálně, ale hlavně hravě !

Page Load Speed

3.7 sec in total

First Response

1 sec

Resources Loaded

2.4 sec

Page Rendered

317 ms

visualllab.net screenshot

About Website

Click here to check amazing Visualllab content. Otherwise, check out these important facts you probably never knew about visualllab.net

We actively help to grow next generation of Designers, Architects, Engineers and Technologists. Aktivně pomáháme vyrůst další generaci Návrhářů...

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Key Findings

We analyzed Visualllab.net page load time and found that the first response time was 1 sec and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

visualllab.net performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

visualllab.net

1028 ms

style.css

107 ms

jquery.fancybox-1.3.6.css

197 ms

style.css

199 ms

styles.css

197 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 66% of them (31 requests) were addressed to the original Visualllab.net, 13% (6 requests) were made to Apis.google.com and 6% (3 requests) were made to Assets.pinterest.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Visualllab.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.7 kB (10%)

Content Size

794.7 kB

After Optimization

718.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Visualllab.net main page is 794.7 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. Javascripts take 406.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 44.5 kB

  • Original 58.8 kB
  • After minification 56.4 kB
  • After compression 14.4 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 44.5 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 7.3 kB

  • Original 309.2 kB
  • After minification 301.8 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. Visualllab images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 18.5 kB

  • Original 406.5 kB
  • After minification 406.4 kB
  • After compression 388.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-32%

Potential reduce by 6.4 kB

  • Original 20.2 kB
  • After minification 20.2 kB
  • After compression 13.8 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. Visualllab.net needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (61%)

Requests Now

44

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Visualllab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

visualllab.net

visualllab.net

1028 ms

style.css

style.css

107 ms

jquery.fancybox-1.3.6.css

jquery.fancybox-1.3.6.css

197 ms

style.css

style.css

199 ms

styles.css

styles.css

197 ms

magnific-popup.css

magnific-popup.css

199 ms

sharing-styles-id-1.min.css

sharing-styles-id-1.min.css

200 ms

8b1a4f5383c3ce8463428fd0200b1049b49d8030.css

8b1a4f5383c3ce8463428fd0200b1049b49d8030.css

209 ms

jquery.js

jquery.js

434 ms

jquery-migrate.min.js

jquery-migrate.min.js

301 ms

jquery.fancybox-1.3.6.min.js

jquery.fancybox-1.3.6.min.js

301 ms

jquery.mousewheel.js

jquery.mousewheel.js

299 ms

jquery.easing.js

jquery.easing.js

302 ms

counter.css

counter.css

312 ms

comment-reply.min.js

comment-reply.min.js

400 ms

wp-embed.min.js

wp-embed.min.js

405 ms

functions.min.js

functions.min.js

401 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

255 ms

plusone.js

plusone.js

38 ms

in.js

in.js

36 ms

widgets.js

widgets.js

37 ms

pinit_fg_en_rect_gray_20.png

pinit_fg_en_rect_gray_20.png

36 ms

cropped-logo.jpg

cropped-logo.jpg

207 ms

rudolfkutina-clean.jpg

rudolfkutina-clean.jpg

111 ms

refinig.jpg

refinig.jpg

475 ms

laq-logo.jpg

laq-logo.jpg

111 ms

zoob-logo.jpg

zoob-logo.jpg

111 ms

albi-logo.jpg

albi-logo.jpg

111 ms

kidknex-logo.jpg

kidknex-logo.jpg

214 ms

knex-logo.jpg

knex-logo.jpg

304 ms

legotoolo-logo.jpg

legotoolo-logo.jpg

215 ms

Polydron-logo.jpg

Polydron-logo.jpg

214 ms

a-toys-logo.jpg

a-toys-logo.jpg

308 ms

wordpress.png

wordpress.png

284 ms

sdk.js

sdk.js

82 ms

pinit.js

pinit.js

70 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

42 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

42 ms

fastbutton

fastbutton

39 ms

controls.png

controls.png

209 ms

sdk.js

sdk.js

5 ms

pinit_main.js

pinit_main.js

42 ms

postmessageRelay

postmessageRelay

57 ms

developers.google.com

developers.google.com

679 ms

1413334672-postmessagerelay.js

1413334672-postmessagerelay.js

22 ms

rpc:shindig_random.js

rpc:shindig_random.js

10 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

3 ms

Accessibility Review

visualllab.net accessibility score

73

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.

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

visualllab.net 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

High

Browser errors were logged to the console

SEO Factors

visualllab.net SEO score

64

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

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 Visualllab.net 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 Visualllab.net 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

visualllab.net

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