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builder.cz screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

builder.cz

Builder.cz - Informacni server o programovani

Page Load Speed

4 sec in total

First Response

401 ms

Resources Loaded

3.4 sec

Page Rendered

261 ms

builder.cz screenshot

About Website

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

Online magazín pro programátory a vývojáře z oblasti PHP, ASP, HTML, XML, JavaScriptu, Delphi, C++ Builderu.. Diskuzní fora pro řešení vašich problémů

Visit builder.cz

Key Findings

We analyzed Builder.cz page load time and found that the first response time was 401 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

builder.cz performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value12.4 s

14/100

10%

Network Requests Diagram

builder.cz

401 ms

www.builder.cz

1117 ms

style-general.css

298 ms

template.css

397 ms

color.css

299 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 84% of them (66 requests) were addressed to the original Builder.cz, 5% (4 requests) were made to Pagead2.googlesyndication.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Builder.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 436.8 kB (23%)

Content Size

1.9 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Builder.cz main page is 1.9 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. 35% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 45.3 kB

  • Original 57.6 kB
  • After minification 53.7 kB
  • After compression 12.3 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. 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 45.3 kB or 79% of the original size.

Image Optimization

-9%

Potential reduce by 113.7 kB

  • Original 1.2 MB
  • After minification 1.1 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. Builder images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 209.9 kB

  • Original 562.8 kB
  • After minification 514.6 kB
  • After compression 352.9 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 209.9 kB or 37% of the original size.

CSS Optimization

-84%

Potential reduce by 67.9 kB

  • Original 80.9 kB
  • After minification 59.5 kB
  • After compression 13.0 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. Builder.cz needs all CSS files to be minified and compressed as it can save up to 67.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (49%)

Requests Now

74

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Builder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

builder.cz

builder.cz

401 ms

www.builder.cz

www.builder.cz

1117 ms

style-general.css

style-general.css

298 ms

template.css

template.css

397 ms

color.css

color.css

299 ms

style-effect.css

style-effect.css

391 ms

img-nahled.js

img-nahled.js

483 ms

jquery.min.js

jquery.min.js

591 ms

jquery.corner.js

jquery.corner.js

405 ms

script.dtooltip.js

script.dtooltip.js

446 ms

jquery.slider.css

jquery.slider.css

497 ms

jquery.slider.min.js

jquery.slider.min.js

504 ms

photo-contest.css

photo-contest.css

512 ms

script.js

script.js

646 ms

script.js

script.js

585 ms

script.web.js

script.web.js

627 ms

script.bazar.js

script.bazar.js

626 ms

script.ga.builder.cz.js

script.ga.builder.cz.js

627 ms

addthis_widget.js

addthis_widget.js

92 ms

jquery.jsticky.min.js

jquery.jsticky.min.js

688 ms

adsbygoogle.js

adsbygoogle.js

115 ms

tooltip.gif

tooltip.gif

144 ms

zamek.gif

zamek.gif

144 ms

logo.png

logo.png

145 ms

search-submit.gif

search-submit.gif

145 ms

slide-174135.jpg

slide-174135.jpg

241 ms

slide-169311.jpg

slide-169311.jpg

276 ms

slide-165212.jpg

slide-165212.jpg

308 ms

slide-166414.jpg

slide-166414.jpg

311 ms

slide-165126.jpg

slide-165126.jpg

500 ms

menu-home.gif

menu-home.gif

228 ms

facebook.gif

facebook.gif

336 ms

tweeter-ico.png

tweeter-ico.png

354 ms

rss.gif

rss.gif

438 ms

odber-novinek-submit.gif

odber-novinek-submit.gif

439 ms

print-logo.gif

print-logo.gif

440 ms

img_4271-vlastni-fotokniha-na-otevrene-pevne-schrance-nahled1.jpg

img_4271-vlastni-fotokniha-na-otevrene-pevne-schrance-nahled1.jpg

481 ms

logocrm_expanzo-(002)-nahled1.png

logocrm_expanzo-(002)-nahled1.png

482 ms

canvio-premium-silver-nahled1.jpg

canvio-premium-silver-nahled1.jpg

482 ms

photokey-nahled1.jpg

photokey-nahled1.jpg

513 ms

spir-nahled1.jpg

spir-nahled1.jpg

524 ms

idif_skolka124px-nahled1.jpg

idif_skolka124px-nahled1.jpg

549 ms

dslr-7v_obalka-pro-e-shop-nahled1.jpg

dslr-7v_obalka-pro-e-shop-nahled1.jpg

599 ms

antispm.php

antispm.php

600 ms

sign.gif

sign.gif

604 ms

ga.js

ga.js

22 ms

__utm.gif

__utm.gif

60 ms

body-bg.png

body-bg.png

724 ms

logo-search-bg.png

logo-search-bg.png

549 ms

search-bg.png

search-bg.png

573 ms

slider-html-content-bg.png

slider-html-content-bg.png

625 ms

show_ads_impl.js

show_ads_impl.js

237 ms

jquery-slider-theme.png

jquery-slider-theme.png

540 ms

menu-top-bg.png

menu-top-bg.png

551 ms

menu-top-sep.gif

menu-top-sep.gif

579 ms

stocek-bg.gif

stocek-bg.gif

600 ms

odber-novinek-bg.png

odber-novinek-bg.png

637 ms

odrazka-li.gif

odrazka-li.gif

660 ms

odrazka.gif

odrazka.gif

660 ms

poslat.gif

poslat.gif

689 ms

diskuse.gif

diskuse.gif

707 ms

bg_button_a.png

bg_button_a.png

739 ms

bg_button_span.png

bg_button_span.png

754 ms

odrazka-star-li.gif

odrazka-star-li.gif

767 ms

footer-info-bg.gif

footer-info-bg.gif

710 ms

odrazka-anketa.gif

odrazka-anketa.gif

729 ms

zoomin.cur

zoomin.cur

706 ms

idif-200x140.png

idif-200x140.png

406 ms

zrt_lookup.html

zrt_lookup.html

45 ms

ads

ads

83 ms

sodar

sodar

71 ms

rounded-white.png

rounded-white.png

115 ms

zoomout.cur

zoomout.cur

105 ms

loader.white.gif

loader.white.gif

109 ms

sodar2.js

sodar2.js

19 ms

runner.html

runner.html

6 ms

aframe

aframe

36 ms

feg8rL66UTsTrrlS9w_iUH8JqR_kCfLFdi2W6wljJCU.js

feg8rL66UTsTrrlS9w_iUH8JqR_kCfLFdi2W6wljJCU.js

5 ms

img_4271-vlastni-fotokniha-na-otevrene-pevne-schrance.jpg

img_4271-vlastni-fotokniha-na-otevrene-pevne-schrance.jpg

482 ms

Accessibility Review

builder.cz accessibility score

68

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

builder.cz best practices score

50

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

builder.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 Builder.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 Builder.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

builder.cz

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