Analyze «ПРОСВЕТ» – светотехнический расчет, освещение помещений и архитектурная подсветка зданий, продажа светильников, прожекторов и ламп

Page load speed analysis

  • 60/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    678 ms

  • Resources loaded

    6.5 sec

  • Page rendered

    440 ms

  • Total page load time

    7.6 sec

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We analyzed page load time and found that the first response time was 678 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Page optimization

  • HTML 36.3 kB
    Images 283.1 kB
    Javascripts 68.2 kB
    CSS 114.4 kB

    In fact, the total size of main page is 502.0 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. 35% of websites need less resources to load. Images take 283.1 kB which makes up the majority of the site volume.

    • Original 36.3 kB
    • After minification 35.2 kB
    • After compression 8.6 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 27.7 kB or 76% of the original size.

    • Original 283.1 kB
    • After optimization 262.6 kB

    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. Prof Svet images are well optimized though.

    • Original 68.2 kB
    • After minification 66.1 kB
    • After compression 23.3 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 45.0 kB or 66% of the original size.

    • Original 114.4 kB
    • After minification 106.6 kB
    • After compression 18.6 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. needs all CSS files to be minified and compressed as it can save up to 95.8 kB or 84% of the original size.

Network requests diagram

  • style8.css
  • jquery.min.js
  • title.js
  • global2014.js
  • watch.js
  • logo
  • logo.gif
  • phone-5-1.gif
  • robin-3550.png
  • slv-2015.png
  • luxeon.png
  • lustra.jpg
  • ttlNews.gif
  • btn1t.jpg
  • btn2t.jpg
  • iguzzini.png
  • dl.png
  • lival.png
  • osram.png
  • simes.png
  • slv.png
  • lt.png
  • lug.png
  • ares.png
  • ar.png
  • philips.png
  • fael.png
  • croner.png
  • wd.png
  • pic17.gif
  • 98.jpg
  • 101.jpg
  • 100.jpg
  • 99.jpg
  • 203.jpg
  • 212.jpg
  • 102.jpg
  • 105.jpg
  • 106.jpg
  • 104.jpg
  • 103.jpg
  • hit
  • 107.jpg
  • analytics.js
  • collect
  • 109.jpg
  • 192.jpg
  • 193.jpg
  • 108.jpg
  • _YMaps.css
  • _YMaps.js
  • 195.jpg
  • 197.jpg
  • ttlAbout.gif
  • l-c-1.jpg
  • l-c-2.jpg
  • l-c-3.jpg
  • l-c-4.jpg
  • l-c-5.jpg
  • l-c-6.jpg
  • 1x1.gif
  • loader3.gif
  • ps_pic1.png
  • pic1.gif
  • pic2_.jpg
  • corn4.gif
  • pic3.jpg
  • pic4.gif
  • pic15.gif
  • pic16.jpg
  • logo2.gif
  • phone-bottom.gif
  • pic22.gif
  • transp-px2.png
  • pic20.gif
  • pic18.png
  • pic19.png
  • pic21.gif
  • loader1.gif
  • pic24.png
  • tick-50.png

Our browser made a total of 86 requests to load all elements on the main page. We found that 88% of them (76 requests) were addressed to the original, 5% (4 requests) were made to and 2% (2 requests) were made to The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain

Additional info on


The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prof Svet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.









Possible request optimization











Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address uses IP address which is currently shared with 1 other domain. 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.

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 3599
NS 3599
NS 3599
NS 3599
NS 3599

Language and encoding

Poor result


RU ru language flag


N/A  language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

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

Normal result

Visitor World Map

Country of origin for 63.9% of all visits is Russia. It’s good for that their server is also located in Russia, 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 Prof Svet. 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:

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