Tools & Wizards About Us
realspektrum.cz screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

realspektrum.cz

Realitní kancelář & reality v Brně - 30 let zkušeností | RealSpektrum.cz

Page Load Speed

6.6 sec in total

First Response

420 ms

Resources Loaded

5.8 sec

Page Rendered

406 ms

realspektrum.cz screenshot

About Website

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

Na realitním trhu působíme od roku 1991. Klientům poskytujeme profesionální realitní služby s právní jistotou. Víme jak výhodně prodat, koupit i pronajmout nemovitost. Pomůžeme i Vám!

Visit realspektrum.cz

Key Findings

We analyzed Realspektrum.cz page load time and found that the first response time was 420 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

realspektrum.cz performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

realspektrum.cz

420 ms

www.realspektrum.cz

363 ms

css

27 ms

reset.css

120 ms

style.css

242 ms

Our browser made a total of 148 requests to load all elements on the main page. We found that 68% of them (100 requests) were addressed to the original Realspektrum.cz, 7% (11 requests) were made to Scontent.xx.fbcdn.net and 7% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Realspektrum.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 959.2 kB (35%)

Content Size

2.8 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Realspektrum.cz main page is 2.8 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. 55% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 42.0 kB

  • Original 56.5 kB
  • After minification 54.4 kB
  • After compression 14.5 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 42.0 kB or 74% of the original size.

Image Optimization

-15%

Potential reduce by 277.1 kB

  • Original 1.9 MB
  • After minification 1.6 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, Real Spektrum needs image optimization as it can save up to 277.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 527.3 kB

  • Original 687.3 kB
  • After minification 488.8 kB
  • After compression 160.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 527.3 kB or 77% of the original size.

CSS Optimization

-88%

Potential reduce by 112.8 kB

  • Original 128.6 kB
  • After minification 61.8 kB
  • After compression 15.8 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. Realspektrum.cz needs all CSS files to be minified and compressed as it can save up to 112.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 81 (58%)

Requests Now

139

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Real Spektrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

realspektrum.cz

realspektrum.cz

420 ms

www.realspektrum.cz

www.realspektrum.cz

363 ms

css

css

27 ms

reset.css

reset.css

120 ms

style.css

style.css

242 ms

jquery-1.10.2.js

jquery-1.10.2.js

597 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

248 ms

jquery.mobile.min.js

jquery.mobile.min.js

250 ms

tinybox.js

tinybox.js

249 ms

clearbox.js

clearbox.js

247 ms

nivo-slider.css

nivo-slider.css

354 ms

areatip.js

areatip.js

352 ms

lemmon-slider.js

lemmon-slider.js

362 ms

custom-form-elements.js

custom-form-elements.js

366 ms

jquery.validationEngine.js

jquery.validationEngine.js

366 ms

jquery.validationEngine-cz.js

jquery.validationEngine-cz.js

465 ms

validationEngine.jquery.css

validationEngine.jquery.css

470 ms

jquery.ui.core.js

jquery.ui.core.js

479 ms

jquery.ui.widget.js

jquery.ui.widget.js

485 ms

jquery.ui.rcarousel.js

jquery.ui.rcarousel.js

483 ms

environment.js

environment.js

579 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

587 ms

conversion.js

conversion.js

15 ms

retargeting.js

retargeting.js

325 ms

cookieconsent.js

cookieconsent.js

346 ms

cb_style.css

cb_style.css

125 ms

cb_config.js

cb_config.js

121 ms

cb_language.js

cb_language.js

127 ms

cb_core.js

cb_core.js

237 ms

logo.jpg

logo.jpg

236 ms

en.png

en.png

125 ms

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125 ms

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124 ms

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125 ms

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123 ms

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242 ms

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240 ms

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471 ms

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469 ms

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589 ms

map.png

map.png

356 ms

sdk.js

sdk.js

170 ms

slogan.jpg

slogan.jpg

347 ms

top-menu-sep.jpg

top-menu-sep.jpg

348 ms

imput_search.png

imput_search.png

465 ms

btn.jpg

btn.jpg

466 ms

menu.jpg

menu.jpg

466 ms

menu-sep.png

menu-sep.png

571 ms

investors.png

investors.png

577 ms

rozcesti-blue.png

rozcesti-blue.png

562 ms

arrow.png

arrow.png

563 ms

rozcesti-shadow.png

rozcesti-shadow.png

565 ms

rozcesti-yelow.png

rozcesti-yelow.png

667 ms

rozcesti-green.png

rozcesti-green.png

676 ms

mapka-bg.png

mapka-bg.png

673 ms

mapa.png

mapa.png

2314 ms

footer-info.jpg

footer-info.jpg

677 ms

page-info.png

page-info.png

682 ms

MTP_ySUJH_bn48VBG8sNSha1RVmPjeKy21_GQJaLlJI.woff

MTP_ySUJH_bn48VBG8sNSha1RVmPjeKy21_GQJaLlJI.woff

28 ms

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

28 ms

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

28 ms

PRmiXeptR36kaC0GEAetxoUt79146ZFaIJxILcpzmhI.woff

PRmiXeptR36kaC0GEAetxoUt79146ZFaIJxILcpzmhI.woff

28 ms

71 ms

gtm.js

gtm.js

57 ms

retargeting

retargeting

130 ms

rot_l_outer.gif

rot_l_outer.gif

694 ms

prev_outer.gif

prev_outer.gif

701 ms

pause_outer.gif

pause_outer.gif

720 ms

start_outer.gif

start_outer.gif

721 ms

next_outer.gif

next_outer.gif

722 ms

rot_r_outer.gif

rot_r_outer.gif

809 ms

loading.gif

loading.gif

819 ms

close.png

close.png

820 ms

blank.gif

blank.gif

821 ms

prev.png

prev.png

830 ms

next.png

next.png

918 ms

pause.png

pause.png

926 ms

70 ms

conversion_async.js

conversion_async.js

30 ms

L.js

L.js

339 ms

piwik.js

piwik.js

680 ms

analytics.js

analytics.js

9 ms

collect

collect

30 ms

29 ms

17 ms

61 ms

xd_arbiter.php

xd_arbiter.php

141 ms

xd_arbiter.php

xd_arbiter.php

265 ms

start.png

start.png

826 ms

s_topleft.png

s_topleft.png

822 ms

s_top.png

s_top.png

831 ms

s_topright.png

s_topright.png

914 ms

s_left.png

s_left.png

808 ms

s_right.png

s_right.png

819 ms

s_btmleft.png

s_btmleft.png

819 ms

s_btm.png

s_btm.png

721 ms

s_btmright.png

s_btmright.png

799 ms

btm_dl.gif

btm_dl.gif

804 ms

btm_max.gif

btm_max.gif

820 ms

btm_next.gif

btm_next.gif

818 ms

btm_prev.gif

btm_prev.gif

724 ms

btm_rot_l.gif

btm_rot_l.gif

794 ms

btm_rot_r.gif

btm_rot_r.gif

804 ms

no_flash.gif

no_flash.gif

820 ms

no_html.gif

no_html.gif

821 ms

no_iframe.gif

no_iframe.gif

832 ms

no_image.gif

no_image.gif

802 ms

no_inner.gif

no_inner.gif

806 ms

no_quicktime.gif

no_quicktime.gif

823 ms

no_winmedia.gif

no_winmedia.gif

825 ms

no_winmediaavi.gif

no_winmediaavi.gif

832 ms

no_winmediamp3.gif

no_winmediamp3.gif

802 ms

no_winmediampg.gif

no_winmediampg.gif

806 ms

piwik.php

piwik.php

277 ms

no_winmediawav.gif

no_winmediawav.gif

809 ms

no_winmediawma.gif

no_winmediawma.gif

811 ms

no_winmediawmv.gif

no_winmediawmv.gif

824 ms

no_youtube.gif

no_youtube.gif

800 ms

style_960.css

style_960.css

119 ms

style_720.css

style_720.css

120 ms

style_320.css

style_320.css

119 ms

style_360.css

style_360.css

119 ms

style_280.css

style_280.css

121 ms

cookieconsent.css

cookieconsent.css

113 ms

page.php

page.php

128 ms

logo.png

logo.png

25 ms

4n08FrZmW0I.css

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171 ms

q68gy-v_YMF.js

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288 ms

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367 ms

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330 ms

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180 ms

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221 ms

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263 ms

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362 ms

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336 ms

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304 ms

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79 ms

Accessibility Review

realspektrum.cz accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

realspektrum.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

realspektrum.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 Realspektrum.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 Realspektrum.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

realspektrum.cz

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