Analyze

tzb-info.cz: TZB-info - Stavebnictví. Úspory energií. Technická zařízení budov.

Portál pro stavebnictví, technická zařízení budov a úspory energií. Denně aktuální informace z oborů stavba budov, vytápění, větrání, klimatizace, voda, kanalizace, obnovitelná energie, výtahy. Oborov...

Page load speed analysis

  • 58/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    324 ms

  • Resources loaded

    4.1 sec

  • Page rendered

    530 ms

  • Total page load time

    4.9 sec

Click here to check amazing TZB Info content for Czech Republic. Otherwise, check out these important facts you probably never knew about tzb-info.cz

We analyzed Tzb-info.cz page load time and found that the first response time was 324 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Page optimization

  • HTML 98.7 kB
    Images 1.6 MB
    Javascripts 663.5 kB
    CSS 113.6 kB

    In fact, the total size of Tzb-info.cz main page is 2.4 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 1.6 MB which makes up the majority of the site volume.

    • Original 98.7 kB
    • After minification 96.2 kB
    • After compression 25.2 kB

    HTML optimization

    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 73.5 kB or 74% of the original size.

    • Original 1.6 MB
    • After optimization 1.5 MB

    Image optimization

    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. TZB Info images are well optimized though.

    • Original 663.5 kB
    • After minification 532.8 kB
    • After compression 166.0 kB

    JavaScript optimization

    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 497.6 kB or 75% of the original size.

    • Original 113.6 kB
    • After minification 90.0 kB
    • After compression 21.0 kB

    CSS optimization

    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. Tzb-info.cz needs all CSS files to be minified and compressed as it can save up to 92.6 kB or 82% of the original size.

Network requests diagram

  • tzb-info.cz
  • www.tzb-info.cz
  • t.css
  • t2.css
  • main.css
  • withe3.css
  • t.js
  • tabcontent.js
  • dropdown.js
  • popup.js
  • swfobject.js
  • jquery-1.8.2.js
  • jquery.scrollTo-1.4.2-min.js
  • jquery.serialScroll-1.2.2-min.js
  • jquery-ui-1.9.1.custom.min.js
  • jquery-ui-1.9.1.custom.css
  • jquery.copyInject.min.js
  • jquery.utils.selection.min.js
  • withtb.css
  • rollbando3.css
  • titulka.css
  • around84.css
  • 201602w1.js
  • bb_one2n.js
  • css
  • logo.png
  • bg_body2.gif
  • bkg_header.jpg
  • bb_one2n.113.65.77.1.js
  • analytics.js
  • bkg_body84.jpg
  • xgemius.js
  • dot.asp
  • dot.asp
  • bg_topmenu-divider.png
  • bkg_main11.gif
  • 013856ou.jpg
  • 013854ou.jpg
  • 032186s.gif
  • 013850ou.jpg
  • 033575s.gif
  • reklama.gif
  • h3-box.gif
  • h3-box-span.gif
  • bg_tabs.gif
  • paleet---einar-aslaksen-1_tn2.jpg
  • fotolia_85511876_subscription_monthly_m_tn2.jpg
  • fotolia_103085222_subscription_monthly_m_tn2.jpg
  • h3-box-orange.gif
  • h3-box-span-orange.gif
  • 013851ou.jpg
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  • 033468s.gif
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  • 031768s.gif
  • 013840ou.jpg
  • 013837ou.jpg
  • Zd2E9abXLFGSr9G3YK2MsK8NE7_Gi-Xz52ZQ_AwfA78.woff
  • b9QBgL0iMZfDSpmcXcE8nCj3Mi2hOMP9GNHlaDA9WRI.woff
  • b9QBgL0iMZfDSpmcXcE8nJT5GEmoOtNsejy4tIPLwv0.woff
  • collect
  • collect
  • 010085s.gif
  • 013838ou.jpg
  • 010401s.gif
  • bg_sekce.gif
  • bullet.gif
  • bbnaut-lib-1.7.5.min.js
  • connect.php
  • ga-audiences
  • 013456o4.jpg
  • h3-v2-box.gif
  • h3-v2-box-span.gif
  • heluz3.gif
  • brilon3.gif
  • fpdata.js
  • lsget.html
  • button-prihlasit.gif
  • webarchiv_certifikat_cb.gif
  • bkg_header-x84.jpg
  • FbUd6dZS1Af.css
  • dGJLq38YL-C.css
  • _rx8naC75Dy.js
  • ZRUHGSRAt8d.js
  • ICDbTSzjQEg.js
  • TTCre3391I0.js
  • bkg_menu2_full.png
  • bkg_menu1_r-border.png
  • bkg_menu1_l-border.png
  • bkg_menu1_center.png
  • menu-bg.png
  • btn_search.gif
  • 013826ou.jpg
  • 013781ou.jpg
  • 013780ou.jpg
  • 013764ou.jpg
  • ico-news.png
  • heluz4.gif
  • geminox2.gif
  • stp2.gif
  • en.gif
  • reklama_d.gif
  • bg_newsslider.png
  • li-divider.png
  • rexdot.js
  • 575244_10151103538781472_721680969_n.png
  • 31848_405212661471_6361864_n.jpg
  • 10996510_1415406532115123_1892570505823267025_n.jpg
  • 11951171_1685008818380020_7502982357816139708_n.jpg
  • 10421498_1374517409508509_4537893686450637084_n.jpg
  • 12705790_10207327824985866_1969853170431178757_n.jpg
  • 12249871_1205398232807777_7346836916136512086_n.jpg
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  • 3895_10208786652806511_8753986028532953588_n.jpg
  • wL6VQj7Ab77.png
  • s7jcwEQH7Sx.png
  • b627706_2.gif
  • project.css
  • css
  • print.css
  • fvplast_logo.png
  • k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff
  • u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff
  • b671031_1.gif
  • 117x47p.png
  • b661932_1.jpg
  • b670120_3.jpg
  • b677002_1.gif
  • b456683_1.jpg
  • co
  • banner_open-close_o.gif
  • ui-bg_highlight-soft_100_eeeeee_1x100.png
  • arrow-left.png
  • arrow-right.png
  • Orsec1000x300_naTZB.gif
  • I6-MnjEovm5.js
  • vlXaquuXMrr.js

Our browser made a total of 153 requests to load all elements on the main page. We found that 65% of them (100 requests) were addressed to the original Tzb-info.cz, 7% (10 requests) were made to Static.xx.fbcdn.net and 6% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (899 ms) belongs to the original domain Tzb-info.cz.

Additional info on tzb-info.cz

Requests

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TZB Info. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

26

Javascripts

101

Images

15

CSS

2

AJAX

144

All

Possible request optimization

1

Javascripts

66

Images

1

CSS

2

AJAX

74

Optimized

70

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.tzb-info.cz/ before it reached this domain.

IP address

Tzb-info.cz uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

tzb-info.cz

vetrani.tzb-info.cz

oze.tzb-info.cz

kalkulator.tzb-info.cz

vytapeni.tzb-info.cz

81.95.98.218

DNS records

Type Host Target/ip TTL Other
A

tzb-info.cz

81.95.98.218 300
NS

tzb-info.cz

beta.ns.active24.cz 86400
NS

tzb-info.cz

gama.ns.active24.sk 86400
NS

tzb-info.cz

alfa.ns.active24.cz 86400
SOA

tzb-info.cz

3600 Mname: ns.servery.cz
Rname: hostmaster.active24.cz
Serial: 2022032501
Refresh: 10800
Retry: 1800
Expire: 1209600
Minimum-ttl: 86400

Language and encoding

Good result

Language

CS cs language flag

Detected

CS cs language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tzb-info.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 Tzb-info.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.

HTTPS certificate

SSL Certificate

Tzb-info.cz has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 72.7% of all visits is Czech Republic. It’s good for Tzb-info.cz that their server is also located in Czech Republic, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

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

tzb-info.cz

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