Tools & Wizards About Us
prof-svet.ru screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

prof-svet.ru

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

Page Load Speed

7.6 sec in total

First Response

678 ms

Resources Loaded

6.5 sec

Page Rendered

440 ms

prof-svet.ru screenshot

About Website

Visit prof-svet.ru now to see the best up-to-date Prof Svet content for Russia and also check out these interesting facts you probably never knew about prof-svet.ru

Visit prof-svet.ru

Key Findings

We analyzed Prof-svet.ru 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.

Performance Metrics

prof-svet.ru performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value260 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.451

20/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

prof-svet.ru

678 ms

www.prof-svet.ru

1821 ms

style8.css

195 ms

jquery.min.js

55 ms

jquery.tools.min.js

385 ms

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 Prof-svet.ru, 5% (4 requests) were made to Api-maps.yandex.ru and 2% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Prof-svet.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.4 kB (39%)

Content Size

528.6 kB

After Optimization

323.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prof-svet.ru main page is 528.6 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. 30% of websites need less resources to load. Images take 283.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 27.7 kB

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

Image Optimization

-7%

Potential reduce by 20.4 kB

  • Original 283.1 kB
  • After minification 262.6 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. Prof Svet images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 61.6 kB

  • Original 94.9 kB
  • After minification 92.8 kB
  • After compression 33.3 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 61.6 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 95.8 kB

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

Requests Breakdown

Number of requests can be reduced by 22 (27%)

Requests Now

81

After Optimization

59

  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

prof-svet.ru

prof-svet.ru

678 ms

www.prof-svet.ru

www.prof-svet.ru

1821 ms

style8.css

style8.css

195 ms

jquery.min.js

jquery.min.js

55 ms

jquery.tools.min.js

jquery.tools.min.js

385 ms

title.js

title.js

384 ms

global2014.js

global2014.js

389 ms

watch.js

watch.js

2 ms

290 ms

685 ms

logo

logo

341 ms

logo.gif

logo.gif

176 ms

phone-5-1.gif

phone-5-1.gif

174 ms

robin-3550.png

robin-3550.png

662 ms

slv-2015.png

slv-2015.png

777 ms

luxeon.png

luxeon.png

777 ms

lustra.jpg

lustra.jpg

776 ms

ttlNews.gif

ttlNews.gif

573 ms

btn1t.jpg

btn1t.jpg

575 ms

btn2t.jpg

btn2t.jpg

763 ms

iguzzini.png

iguzzini.png

1674 ms

dl.png

dl.png

866 ms

lival.png

lival.png

1799 ms

osram.png

osram.png

1774 ms

simes.png

simes.png

1716 ms

slv.png

slv.png

1793 ms

lt.png

lt.png

1988 ms

lug.png

lug.png

1971 ms

ares.png

ares.png

2028 ms

ar.png

ar.png

2007 ms

philips.png

philips.png

2040 ms

fael.png

fael.png

2009 ms

croner.png

croner.png

2126 ms

wd.png

wd.png

2148 ms

pic17.gif

pic17.gif

2167 ms

98.jpg

98.jpg

2186 ms

101.jpg

101.jpg

2254 ms

100.jpg

100.jpg

2256 ms

99.jpg

99.jpg

2307 ms

203.jpg

203.jpg

2315 ms

212.jpg

212.jpg

2317 ms

102.jpg

102.jpg

2349 ms

105.jpg

105.jpg

2463 ms

106.jpg

106.jpg

2465 ms

104.jpg

104.jpg

2476 ms

103.jpg

103.jpg

2674 ms

hit

hit

327 ms

107.jpg

107.jpg

2466 ms

analytics.js

analytics.js

89 ms

collect

collect

55 ms

109.jpg

109.jpg

2346 ms

192.jpg

192.jpg

2486 ms

193.jpg

193.jpg

2092 ms

108.jpg

108.jpg

2091 ms

_YMaps.css

_YMaps.css

120 ms

_YMaps.js

_YMaps.js

599 ms

195.jpg

195.jpg

2004 ms

197.jpg

197.jpg

1919 ms

ttlAbout.gif

ttlAbout.gif

2056 ms

l-c-1.jpg

l-c-1.jpg

2059 ms

l-c-2.jpg

l-c-2.jpg

2065 ms

l-c-3.jpg

l-c-3.jpg

1973 ms

l-c-4.jpg

l-c-4.jpg

1167 ms

l-c-5.jpg

l-c-5.jpg

1136 ms

l-c-6.jpg

l-c-6.jpg

1226 ms

1x1.gif

1x1.gif

1203 ms

loader3.gif

loader3.gif

1215 ms

ps_pic1.png

ps_pic1.png

1034 ms

pic1.gif

pic1.gif

1023 ms

pic2_.jpg

pic2_.jpg

1022 ms

corn4.gif

corn4.gif

1196 ms

pic3.jpg

pic3.jpg

1179 ms

pic4.gif

pic4.gif

1335 ms

pic15.gif

pic15.gif

1077 ms

pic16.jpg

pic16.jpg

1063 ms

logo2.gif

logo2.gif

1046 ms

phone-bottom.gif

phone-bottom.gif

1171 ms

pic22.gif

pic22.gif

1103 ms

transp-px2.png

transp-px2.png

1096 ms

pic20.gif

pic20.gif

1050 ms

pic18.png

pic18.png

1048 ms

pic19.png

pic19.png

1220 ms

pic21.gif

pic21.gif

1190 ms

loader1.gif

loader1.gif

1084 ms

pic24.png

pic24.png

1075 ms

tick-50.png

tick-50.png

1075 ms

Accessibility Review

prof-svet.ru accessibility score

61

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

<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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

prof-svet.ru best practices score

58

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

prof-svet.ru SEO score

76

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

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prof-svet.ru 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 Prof-svet.ru 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.

Social Sharing Optimization

prof-svet.ru

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: