9 sec in total
611 ms
7.6 sec
775 ms
Visit lidersb.ru now to see the best up-to-date Lidersb content for Russia and also check out these interesting facts you probably never knew about lidersb.ru
Услуги проектирования, монтажа, техобслуживания комплексных систем безопасности в Туле. Доступные цены, высокое качество.
Visit lidersb.ruWe analyzed Lidersb.ru page load time and found that the first response time was 611 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
lidersb.ru performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value6.8 s
7/100
25%
Value17.6 s
0/100
10%
Value1,020 ms
26/100
30%
Value1.025
2/100
15%
Value21.9 s
1/100
10%
611 ms
705 ms
303 ms
316 ms
313 ms
Our browser made a total of 159 requests to load all elements on the main page. We found that 79% of them (126 requests) were addressed to the original Lidersb.ru, 13% (20 requests) were made to Web.redhelper.ru and 2% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Lidersb.ru.
Page size can be reduced by 1.2 MB (41%)
3.0 MB
1.8 MB
In fact, the total size of Lidersb.ru main page is 3.0 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 92.4 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 92.4 kB or 72% of the original size.
Potential reduce by 217.3 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. Obviously, Lidersb needs image optimization as it can save up to 217.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 858.6 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 858.6 kB or 73% of the original size.
Potential reduce by 68.2 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. Lidersb.ru needs all CSS files to be minified and compressed as it can save up to 68.2 kB or 83% of the original size.
Number of requests can be reduced by 50 (33%)
153
103
The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lidersb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
lidersb.ru
611 ms
www.lidersb.ru
705 ms
core.css
303 ms
style.css
316 ms
core_popup.css
313 ms
styles.css
323 ms
kernel.js
1002 ms
styles.css
457 ms
jquery-1.9.0.js
103 ms
jquery-migrate-1.2.1.js
40 ms
prettyPhoto.css
468 ms
colorbox.css
465 ms
jquery.fancybox.css
476 ms
jquery.prettyPhoto.js
473 ms
jquery.colorbox-min.js
614 ms
main.js
617 ms
jquery.fancybox.pack.js
618 ms
reglam.css
624 ms
new.js
627 ms
swfobject.js
750 ms
jquery.cycle.all.js
751 ms
utils.js
762 ms
addthis_widget.js
129 ms
screen.css
637 ms
1jquery.js
1058 ms
easySlider1.7.js
786 ms
jquery.jcarousel.js
796 ms
main.js
341 ms
conversion.js
82 ms
bg_head_tab.gif
621 ms
loading.gif
158 ms
icon_registration.png
169 ms
figyra_before.png
156 ms
captcha.php
401 ms
logo_new_274.png
408 ms
skaip_icon.png
168 ms
vk_new_icon.png
403 ms
face_new_icon.png
404 ms
twit_new_icon.png
412 ms
menu_pix_left.gif
413 ms
menu_pix_right.gif
415 ms
lidersb_Menu_1.png
475 ms
lidersb_Menu_2.png
476 ms
lidersb_Menu_7.png
489 ms
lidersb_Menu_10.png
489 ms
lidersb_Menu_13.png
491 ms
lidersb_Menu_3.png
554 ms
lidersb_Menu_5.png
817 ms
lidersb_Menu_8.png
813 ms
lidersb_Menu_11.png
814 ms
lidersb_Menu_14.png
809 ms
lidersb_Menu_4.png
808 ms
lidersb_Menu_6.png
812 ms
lidersb_Menu_9.png
889 ms
lidersb_Menu_12.png
892 ms
avtom.png
935 ms
search_enter.gif
889 ms
P4137545.JPG
1074 ms
img_ban_1.jpg
1112 ms
img_ban_2.jpg
1725 ms
img_ban_3.jpg
1582 ms
img_ban_4.jpg
1726 ms
1.jpg
1984 ms
2.jpg
4373 ms
telefon.png
1565 ms
1.jpg
2207 ms
2.jpg
1851 ms
3.jpg
3112 ms
4.jpg
2587 ms
5.jpg
2566 ms
6.jpg
3015 ms
7.jpg
2509 ms
8.jpg
3123 ms
9.jpg
2960 ms
10.jpg
3384 ms
1.jpg
3166 ms
2.jpg
3063 ms
3.jpg
3111 ms
watch.js
7 ms
4.jpg
3261 ms
5.jpg
4058 ms
6.jpg
3501 ms
7.jpg
3296 ms
ga.js
294 ms
404 ms
watch.js
223 ms
300lo.json
180 ms
main.js
626 ms
start
338 ms
8.jpg
3158 ms
9.jpg
3182 ms
10.jpg
3255 ms
11.jpg
3333 ms
13.jpg
3340 ms
14.jpg
3340 ms
sh.953eb77977227bfd253ee158.html
119 ms
__utm.gif
76 ms
15.jpg
3276 ms
16.jpg
3344 ms
17.jpg
3360 ms
18.jpg
3322 ms
134 ms
19.jpg
3336 ms
21.jpg
3302 ms
22.jpg
3364 ms
jquery-new.min.js
337 ms
korolevin2012g
191 ms
23.jpg
2908 ms
24.jpg
2898 ms
25.jpg
2758 ms
26.jpg
2807 ms
Ava_default.png
177 ms
__utm.gif
35 ms
mac.css
168 ms
badge1.png
984 ms
27.jpg
2553 ms
28.jpg
2554 ms
347 ms
29.jpg
2317 ms
main.js
1646 ms
30.jpg
1869 ms
lidersb_logo.png
1729 ms
bg_foot_link.gif
1694 ms
bg_head_tab.jpg
1395 ms
bg_fone_header.jpg
1314 ms
button_call.png
1286 ms
bg_body_tab.gif
1250 ms
menu_bg.gif
1242 ms
bg_menu_a.gif
1208 ms
new_menu.png
1202 ms
search_bg.jpg
1071 ms
bg_all_news.gif
1043 ms
knopki_1.png
1086 ms
knopki_2.png
958 ms
knopki_3.png
959 ms
knopki_4.png
954 ms
mac.css
280 ms
Skype_2.png
805 ms
Obsled_2.png
811 ms
Ustan_2.png
855 ms
pixel.png
871 ms
grad_fot_kl.png
805 ms
bottomRobot.jpg
942 ms
border1.png
821 ms
border2.png
838 ms
loading.gif
845 ms
Strelka.png
781 ms
components.png
160 ms
Strelka_aktiv.png
789 ms
upload.html
140 ms
onlineBack.png
131 ms
offlineBack.png
140 ms
buttons.png
178 ms
throbber.gif
248 ms
send.png
256 ms
clip.png
256 ms
icons.png
259 ms
left_strel.png
740 ms
right_strel.png
766 ms
lidersb.ru accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
lidersb.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
lidersb.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lidersb.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 Lidersb.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.
lidersb.ru
Open Graph description is not detected on the main page of Lidersb. 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: