6.4 sec in total
575 ms
5.1 sec
719 ms
Click here to check amazing Infbu content for Russia. Otherwise, check out these important facts you probably never knew about infbu.ru
Решение заданий Единого Государственного Экзамена по информатике и ИКТ - 2016. Калькуляторы, учебники, тесты, задания, видеоуроки, материалы для подготовки к ЕГЭ.
Visit infbu.ruWe analyzed Infbu.ru page load time and found that the first response time was 575 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
infbu.ru performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value6.6 s
8/100
25%
Value7.4 s
27/100
10%
Value1,670 ms
11/100
30%
Value0.024
100/100
15%
Value16.0 s
6/100
10%
575 ms
260 ms
243 ms
251 ms
252 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 33% of them (32 requests) were addressed to the original Infbu.ru, 19% (19 requests) were made to St6-21.vk.com and 9% (9 requests) were made to Sun6-22.userapi.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source St6-21.vk.com.
Page size can be reduced by 150.1 kB (16%)
966.1 kB
816.0 kB
In fact, the total size of Infbu.ru main page is 966.1 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. 65% of websites need less resources to load. CSS take 487.3 kB which makes up the majority of the site volume.
Potential reduce by 49.4 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. This page needs HTML code to be minified as it can gain 11.3 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 49.4 kB or 81% of the original size.
Potential reduce by 51.7 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, Infbu needs image optimization as it can save up to 51.7 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 43.4 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 43.4 kB or 19% of the original size.
Potential reduce by 5.7 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. Infbu.ru has all CSS files already compressed.
Number of requests can be reduced by 46 (49%)
93
47
The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Infbu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
infbu.ru
575 ms
jquery.js
260 ms
common.js
243 ms
reset.css
251 ms
text.css
252 ms
960.css
258 ms
styles.css
398 ms
jquery.colorbox.js
365 ms
colorbox.css
373 ms
init_colorbox.js
374 ms
t1.js
384 ms
show_ads.js
29 ms
openapi.js
224 ms
top100.jcn
362 ms
openapi.js
642 ms
top100.jcn
845 ms
analytics.js
117 ms
bg.jpg
183 ms
headbg.jpg
282 ms
logo.png
281 ms
vkbutton_g.png
190 ms
youtubebutton_g.png
177 ms
twitterbutton_g.png
178 ms
key.png
281 ms
register.png
280 ms
modtop.jpg
278 ms
archive.png
315 ms
pabc_tumb.jpg
433 ms
pabc2_tumb.jpg
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download-button.jpg
435 ms
py_tumb.jpg
434 ms
py1_tumb.jpg
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kumir_tumb.jpg
493 ms
kumir1_tumb.jpg
522 ms
word.png
518 ms
faq.png
518 ms
collect
113 ms
show_ads_impl.js
68 ms
cookie.js
61 ms
integrator.js
73 ms
ads
394 ms
upload.gif
120 ms
widget_community.php
349 ms
icon_top.png
130 ms
watch.js
46 ms
overlay.png
127 ms
loader_nav21525688857_3.js
318 ms
fonts_cnt.5df9a2d31f91db9fc063.css
1599 ms
lite.6af08af59db160f1d821.css
762 ms
lite.js
527 ms
lang3_0.js
525 ms
xdm.js
706 ms
ui_common.f84b667095c1513ae4a5.css
718 ms
vendors.1505d7877b40f6cb4dac.js
906 ms
palette.c11f1080c2b166a63023.js
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audioplayer.1fff3154e7b8519a9805.js
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common.db9a4b32842974947b68.js
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ui_common.851b2b33538608cb0914.css
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ui_common.4471ba55c7a94980f60a.js
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audioplayer.851b2b33538608cb0914.css
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audioplayer.a973faf2d3af5fffdd34.js
993 ms
widget_community.ad42a33851e9f0531ecc.css
1007 ms
likes.851b2b33538608cb0914.css
1047 ms
likes.dc023372a4b0549e2e40.js
1090 ms
community.js
1520 ms
base.9e3d08c055bdd0c7ee80.css
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post_widget.png
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upload.gif
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adsbygoogle.js
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sodar
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sodar2.js
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zrt_lookup.html
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runner.html
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aframe
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infbu.ru accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
infbu.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
infbu.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 Infbu.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 Infbu.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.
infbu.ru
Open Graph description is not detected on the main page of Infbu. 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: