11.9 sec in total
466 ms
11.1 sec
360 ms
Click here to check amazing Izron content for Russia. Otherwise, check out these important facts you probably never knew about izron.ru
Официальный сайт Инновационного Центра Развития Образования и Науки
Visit izron.ruWe analyzed Izron.ru page load time and found that the first response time was 466 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
izron.ru performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value5.4 s
20/100
25%
Value5.1 s
61/100
10%
Value100 ms
98/100
30%
Value0
100/100
15%
Value6.1 s
63/100
10%
466 ms
37 ms
328 ms
211 ms
355 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 78% of them (39 requests) were addressed to the original Izron.ru, 8% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (7.2 sec) belongs to the original domain Izron.ru.
Page size can be reduced by 2.0 MB (78%)
2.5 MB
566.9 kB
In fact, the total size of Izron.ru main page is 2.5 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. 30% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 26.8 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 4.6 kB, which is 13% 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 26.8 kB or 76% of the original size.
Potential reduce by 1.9 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. Obviously, Izron needs image optimization as it can save up to 1.9 MB or 78% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 174 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 73.5 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. Izron.ru needs all CSS files to be minified and compressed as it can save up to 73.5 kB or 84% of the original size.
Number of requests can be reduced by 11 (26%)
42
31
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
izron.ru
466 ms
css
37 ms
kernel_main.css
328 ms
page_94d31a162e0bf3adefe9f0b51c7f7a89.css
211 ms
template_7dac00974b7a770a7e477a8f23390eb6.css
355 ms
kernel_main.js
7156 ms
jquery-1.8.3.min.js
562 ms
template_0a6e49d7846c70c3aa401079b84ac3f7.js
361 ms
font-awesome.min.css
415 ms
jquery-1.11.2.min.js
44 ms
seoFilter.js
420 ms
ajaxSubscribe.js
448 ms
ba.js
209 ms
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141 ms
obrnadzor.gov.ru.gif
143 ms
Ras-logo.svg.png
139 ms
vak.ed.gov.ru.png
144 ms
elibrary.ru.jpg
1596 ms
1c-bitrix.ru.png
265 ms
k-obr.spb.ru.jpg
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www.edunso.ru.png
260 ms
www.minobraz.ru.gif
262 ms
www.educat.samregion.ru.png
262 ms
mobr.omskportal.ru.png
337 ms
tatarstan.ru.png
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www.minobr74.ru.png
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www.rostobr.ru.jpg
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www.ufa-edu.ru.png
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minobr.government-nnov.ru.png
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dogm.mos.ru.jpg
667 ms
base.garant.ru.png
566 ms
AdHeads.png
666 ms
headerBack.png
1615 ms
logoSq.png
774 ms
expandIcon.png
755 ms
subscribeBack.png
1390 ms
footerBack.png
3339 ms
bottomLogo.png
921 ms
MTP_ySUJH_bn48VBG8sNSoraN7vELC11_xip9Rz-hMs.woff
110 ms
k3k702ZOKiLJc3WVjuplzIraN7vELC11_xip9Rz-hMs.woff
129 ms
RjgO7rYTmqiVp7vzi-Q5UT8E0i7KZn-EPnyo3HZu7kw.woff
151 ms
fontawesome-webfont.woff
3121 ms
xjAJXh38I15wypJXxuGMBmOb2gHztoQeulij-1lvl-8.woff
145 ms
hit
328 ms
watch.js
14 ms
bx_stat
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hit
141 ms
izron.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
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.
izron.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
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
izron.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
Tap targets are not sized appropriately
RU
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Izron.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 Izron.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.
izron.ru
Open Graph description is not detected on the main page of Izron. 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: