Tools & Wizards About Us
isbnn.ru screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

isbnn.ru

"Интеллектуальные системы безопасности" - пожарные и охранные системы, видеонаблюдение, сигнализации

Page Load Speed

9.1 sec in total

First Response

1.7 sec

Resources Loaded

7.1 sec

Page Rendered

260 ms

isbnn.ru screenshot

About Website

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

Интеллектуальные системы безопасности - проектирование, монтаж, настройка, обслуживание систем видеонаблюдения, охранной и пожарной сигнализации, GSM сигнализаций, систем контроля доступа, домофонов, ...

Visit isbnn.ru

Key Findings

We analyzed Isbnn.ru page load time and found that the first response time was 1.7 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

isbnn.ru performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value1,900 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

isbnn.ru

1669 ms

jquery.js

680 ms

guest.js

382 ms

jquery-ui.js

699 ms

__common.js

296 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 69% of them (69 requests) were addressed to the original Isbnn.ru, 6% (6 requests) were made to Widgets.livetex.ru and 5% (5 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Isbnn.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 806.9 kB (15%)

Content Size

5.2 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isbnn.ru main page is 5.2 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 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 263.6 kB

  • Original 304.3 kB
  • After minification 304.2 kB
  • After compression 40.7 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 263.6 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 126.5 kB

  • Original 4.4 MB
  • After minification 4.2 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. Isbnn images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 390.1 kB

  • Original 547.6 kB
  • After minification 539.3 kB
  • After compression 157.5 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 390.1 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 26.6 kB

  • Original 32.1 kB
  • After minification 27.7 kB
  • After compression 5.5 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. Isbnn.ru needs all CSS files to be minified and compressed as it can save up to 26.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (26%)

Requests Now

90

After Optimization

67

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isbnn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isbnn.ru

isbnn.ru

1669 ms

jquery.js

jquery.js

680 ms

guest.js

guest.js

382 ms

jquery-ui.js

jquery-ui.js

699 ms

__common.js

__common.js

296 ms

common.css

common.css

437 ms

style.css

style.css

467 ms

stat.js

stat.js

2610 ms

top100.jcn

top100.jcn

2226 ms

grid.css

grid.css

141 ms

modules.css

modules.css

149 ms

__utm.gif

__utm.gif

42 ms

exel.png

exel.png

141 ms

scnt_baner.jpg

scnt_baner.jpg

451 ms

beward-10year_1.jpg

beward-10year_1.jpg

582 ms

isb_logo.jpg

isb_logo.jpg

164 ms

pinetron_dealer_sm.jpg

pinetron_dealer_sm.jpg

310 ms

dh-diller-small.jpg

dh-diller-small.jpg

338 ms

novicam_diler_sm.jpg

novicam_diler_sm.jpg

1627 ms

pv-link_diler_sm.jpg

pv-link_diler_sm.jpg

1692 ms

01innovi.jpg

01innovi.jpg

460 ms

02novicam.jpg

02novicam.jpg

474 ms

03pvlink.jpg

03pvlink.jpg

2916 ms

pinetron_1.jpg

pinetron_1.jpg

743 ms

beward_logo.jpg

beward_logo.jpg

695 ms

rvi_logo_100.jpg

rvi_logo_100.jpg

839 ms

07trassir.jpg

07trassir.jpg

831 ms

linia.jpg

linia.jpg

885 ms

dhlogo_new.jpg

dhlogo_new.jpg

988 ms

10nice.jpg

10nice.jpg

987 ms

11rd.jpg

11rd.jpg

1047 ms

09came.jpg

09came.jpg

1191 ms

13spnx.jpg

13spnx.jpg

1144 ms

12perco.jpg

12perco.jpg

1191 ms

14microline.jpg

14microline.jpg

1286 ms

15commax.jpg

15commax.jpg

1428 ms

elmes_logo.jpg

elmes_logo.jpg

1305 ms

altonika_logo.jpg

altonika_logo.jpg

1415 ms

iseo_logo.jpg

iseo_logo.jpg

1468 ms

cisa_logo.jpg

cisa_logo.jpg

1597 ms

sct_logo.gif

sct_logo.gif

1598 ms

jsb_logo.jpg

jsb_logo.jpg

1605 ms

olevs_logo.jpg

olevs_logo.jpg

1697 ms

accordtec_logo.jpg

accordtec_logo.jpg

1704 ms

19bolid.jpg

19bolid.jpg

1745 ms

18magistr.jpg

18magistr.jpg

1796 ms

20gs.jpg

20gs.jpg

1902 ms

watch.js

watch.js

181 ms

17arsenal.jpg

17arsenal.jpg

1850 ms

top100.scn

top100.scn

132 ms

hit

hit

262 ms

counter.cgi

counter.cgi

421 ms

client.js

client.js

255 ms

kart.jpg

kart.jpg

1824 ms

nnru.gif

nnru.gif

1751 ms

watch.js

watch.js

480 ms

head.png

head.png

2277 ms

search.png

search.png

1693 ms

search_input.png

search_input.png

1654 ms

lupa.png

lupa.png

1601 ms

top100.gif

top100.gif

140 ms

menu_l_a.png

menu_l_a.png

1723 ms

app3.js

app3.js

609 ms

menu_c_a.png

menu_c_a.png

1642 ms

advert.gif

advert.gif

91 ms

menu_r_a.png

menu_r_a.png

1528 ms

menu_l.png

menu_l.png

1518 ms

menu_c.png

menu_c.png

1504 ms

menu_r.png

menu_r.png

1512 ms

1

1

92 ms

fon_menu_1.png

fon_menu_1.png

1478 ms

20915161

20915161

93 ms

fon_menu.png

fon_menu.png

1418 ms

katalog_img.png

katalog_img.png

1507 ms

2x2.png

2x2.png

1461 ms

menu_ne_activ.png

menu_ne_activ.png

1365 ms

liniya.png

liniya.png

1393 ms

22226.js

22226.js

123 ms

h1.jpg

h1.jpg

1432 ms

printButton.png

printButton.png

1359 ms

korzina_title.png

korzina_title.png

1340 ms

widget-ui-3.js

widget-ui-3.js

244 ms

stati.png

stati.png

1348 ms

news.jpg

news.jpg

1330 ms

footer.png

footer.png

1296 ms

Roboto:400,700,500,300,100&subset=cyrillic,latin

Roboto:400,700,500,300,100&subset=cyrillic,latin

123 ms

22226.css

22226.css

137 ms

125 ms

event-service-app.widgets-thrift-http

event-service-app.widgets-thrift-http

244 ms

auth

auth

382 ms

client.js

client.js

377 ms

add-page

add-page

291 ms

1458478423634

1458478423634

243 ms

B85vmdvDILX92ray16e-1g.ttf

B85vmdvDILX92ray16e-1g.ttf

54 ms

oHi30kwQWvpCWqAhzHcCSKCWcynf_cDxXwCLxiixG1c.ttf

oHi30kwQWvpCWqAhzHcCSKCWcynf_cDxXwCLxiixG1c.ttf

67 ms

Fl4y0QdOxyyTHEGMXX8kcaCWcynf_cDxXwCLxiixG1c.ttf

Fl4y0QdOxyyTHEGMXX8kcaCWcynf_cDxXwCLxiixG1c.ttf

67 ms

rB9EtQHnJI9-9iLCzVr5P_esZW2xOQ-xsNqO47m55DA.ttf

rB9EtQHnJI9-9iLCzVr5P_esZW2xOQ-xsNqO47m55DA.ttf

66 ms

isZ-wbCXNKAbnjo6_TwHTqCWcynf_cDxXwCLxiixG1c.ttf

isZ-wbCXNKAbnjo6_TwHTqCWcynf_cDxXwCLxiixG1c.ttf

67 ms

iconic-md.woff

iconic-md.woff

255 ms

id-service-app.thrift-http

id-service-app.thrift-http

122 ms

Accessibility Review

isbnn.ru accessibility score

45

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

isbnn.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

High

Missing source maps for large first-party JavaScript

SEO Factors

isbnn.ru SEO score

64

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

isbnn.ru

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