5.5 sec in total
1.1 sec
4.2 sec
261 ms
Visit btk-online.ru now to see the best up-to-date Btk Online content for Russia and also check out these interesting facts you probably never knew about btk-online.ru
Большая Телефонная Книга желтые страницы - наиболее полный справочник адресов и телефонов организаций Москвы и Московской области. Карты и схемы Москвы, Московской области и более 90 городов России. Т...
Visit btk-online.ruWe analyzed Btk-online.ru page load time and found that the first response time was 1.1 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
btk-online.ru performance score
name
value
score
weighting
Value1.4 s
97/100
10%
Value4.4 s
38/100
25%
Value5.2 s
59/100
10%
Value770 ms
38/100
30%
Value0.051
99/100
15%
Value8.8 s
35/100
10%
1101 ms
693 ms
273 ms
428 ms
561 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 56% of them (41 requests) were addressed to the original Btk-online.ru, 4% (3 requests) were made to Counter.yadro.ru and 4% (3 requests) were made to Acint.net. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Lib.sinaapp.com.
Page size can be reduced by 327.2 kB (68%)
483.2 kB
156.0 kB
In fact, the total size of Btk-online.ru main page is 483.2 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. 20% of websites need less resources to load. HTML takes 186.6 kB which makes up the majority of the site volume.
Potential reduce by 158.0 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 158.0 kB or 85% of the original size.
Potential reduce by 2.3 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. Btk Online images are well optimized though.
Potential reduce by 121.8 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 121.8 kB or 68% of the original size.
Potential reduce by 45.0 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. Btk-online.ru needs all CSS files to be minified and compressed as it can save up to 45.0 kB or 82% of the original size.
Number of requests can be reduced by 47 (72%)
65
18
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Btk Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
btk-online.ru
1101 ms
main.css
693 ms
boxy.css
273 ms
swfobject.js
428 ms
combo.js
561 ms
jquery.js
275 ms
jquery.boxy.js
587 ms
gemius.js
430 ms
counter2.2.js
258 ms
urchin.js
18 ms
xhDArR
48 ms
tj.js
833 ms
jquery.min2.js
242 ms
top100.cnt
264 ms
space.gif
137 ms
bobr_big_orn_1_inv.gif
439 ms
banner-88x31-rambler-gray2.gif
259 ms
logo
275 ms
form_tab_pas_ender_left.gif
137 ms
form_tab_pas_ender_right.gif
138 ms
logo_btk.gif
275 ms
left_menu_ender_left.gif
141 ms
left_menu_ender_right.gif
266 ms
p.gif
274 ms
h_8a22c9bc648e35054d78e0ab2fda2f90
460 ms
index.php
324 ms
li_dot.gif
275 ms
i-mail.gif
399 ms
memori_button.gif
411 ms
horiz_menu_bot_ender_left.gif
412 ms
horiz_menu_bot_ender_right.gif
409 ms
hit
270 ms
marker.png
445 ms
p1.png
518 ms
menu1_block.png
533 ms
p2.png
533 ms
p3.png
534 ms
p4.png
579 ms
p5.png
580 ms
p6.png
649 ms
p7.png
666 ms
p8.png
666 ms
menu2.png
669 ms
context.js
225 ms
context_static_r1082.js
338 ms
hit
131 ms
rexdot.gif
139 ms
tongji.js
247 ms
142152
283 ms
watch.js
2 ms
jquery.min.js
1676 ms
x90
384 ms
x90
503 ms
y90
543 ms
form_tab_pas_gradient.gif
166 ms
login_form.jpg
138 ms
left_menu_gradient.gif
137 ms
left_menu_vertical_bg.gif
135 ms
form_bg.jpg
293 ms
arr_big_down.gif
165 ms
horiz_menu_bot_gradient.gif
229 ms
aci.js
241 ms
cnt
562 ms
suggest-post.png
235 ms
__utm.gif
19 ms
185 ms
193 ms
counter2
167 ms
counter2
163 ms
386 ms
u9591.90.spylog.com
380 ms
match
193 ms
cnt
257 ms
btk-online.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
btk-online.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
btk-online.ru SEO score
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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Btk-online.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 Btk-online.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.
btk-online.ru
Open Graph description is not detected on the main page of Btk Online. 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: