5.7 sec in total
556 ms
3.8 sec
1.3 sec
Click here to check amazing Nn Ucheba content for Russia. Otherwise, check out these important facts you probably never knew about nn.ucheba.ru
Кем стать? Какую профессию, специальность и образование выбрать? Куда пойти учиться? В вуз или колледж? Как подготовиться, чтобы успешно поступить на бюджет? Учёба.ру поможет на всех шагах от профорие...
Visit nn.ucheba.ruWe analyzed Nn.ucheba.ru page load time and found that the first response time was 556 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
nn.ucheba.ru performance score
name
value
score
weighting
Value2.8 s
57/100
10%
Value17.9 s
0/100
25%
Value27.3 s
0/100
10%
Value40,940 ms
0/100
30%
Value0.381
27/100
15%
Value49.1 s
0/100
10%
556 ms
959 ms
330 ms
79 ms
667 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 48% of them (19 requests) were addressed to the original Nn.ucheba.ru, 30% (12 requests) were made to Ucheba.ru and 13% (5 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Nn.ucheba.ru.
Page size can be reduced by 336.3 kB (50%)
673.1 kB
336.8 kB
In fact, the total size of Nn.ucheba.ru main page is 673.1 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. 50% of websites need less resources to load. HTML takes 356.3 kB which makes up the majority of the site volume.
Potential reduce by 290.2 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 290.2 kB or 81% of the original size.
Potential reduce by 44.8 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, Nn Ucheba needs image optimization as it can save up to 44.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.3 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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 14 (44%)
32
18
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nn Ucheba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
nn.ucheba.ru
556 ms
nn.ucheba.ru
959 ms
44c3092af18909657280.css
330 ms
js
79 ms
polyfills-220b45bce3a97adf0cc4.js
667 ms
9344.863f52b2c415c94687bf.js
710 ms
378.4bc589590abdd1ae8bfd.js
1021 ms
3567.ad16a791abdfea04aae6.js
1060 ms
6125.8921fcb62389648a9caf.js
1059 ms
4456.4f21d6912735e49cd7c4.js
1058 ms
webpack-fc2166efbfadec5ceadb.js
939 ms
framework-949dac4923e72f631817.js
1057 ms
main-b3f12114ce618149042a.js
1247 ms
_app-79b60a111b00f3443e0f.js
2300 ms
index-b266887e45fbfb8a89ab.js
1246 ms
_buildManifest.js
1246 ms
_ssgManifest.js
1244 ms
tracker
1418 ms
logo__vshe.png
1553 ms
logo__spbgu.png
1468 ms
logo__tomsk.png
1467 ms
logo__mgu.png
1561 ms
logo__rudn.png
1655 ms
logo__nsu.png
1542 ms
logo__mifi.png
1570 ms
logo__mfti.png
1635 ms
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19_200430022240.upto100x100.png
1712 ms
10_200430022342.upto100x100.png
1692 ms
12_200430022316.upto100x100.png
1705 ms
code.js
1414 ms
img__hero-bg_desktop-large-36ff77f8c61cc5e31c019b11721f8308.png
1383 ms
img__services-ege_desktop-8da9aedb3b277c4808726d93c45d1c26.png
1388 ms
img__services-profession_desktop-0126eea7a7e852d440fb351c5cc13ed5.png
1383 ms
d
124 ms
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382 ms
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423 ms
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500 ms
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402 ms
alloka.js
826 ms
nn.ucheba.ru accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
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.
nn.ucheba.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
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
nn.ucheba.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
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
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nn.ucheba.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Nn.ucheba.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.
nn.ucheba.ru
Open Graph data is detected on the main page of Nn Ucheba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: