2.6 sec in total
389 ms
1.9 sec
325 ms
Welcome to prof2.ru homepage info - get ready to check Prof 2 best content for Russia right away, or after learning these important things about prof2.ru
Курсы повышения квалификации, обучение по программам профессиональной переподготовки специалистов климатического бизнеса в Москве
Visit prof2.ruWe analyzed Prof2.ru page load time and found that the first response time was 389 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
prof2.ru performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value15.4 s
0/100
25%
Value11.4 s
5/100
10%
Value1,070 ms
24/100
30%
Value0.62
10/100
15%
Value13.2 s
12/100
10%
389 ms
386 ms
94 ms
185 ms
188 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 89% of them (48 requests) were addressed to the original Prof2.ru, 7% (4 requests) were made to Mc.yandex.ru and 4% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (661 ms) belongs to the original domain Prof2.ru.
Page size can be reduced by 84.8 kB (27%)
310.6 kB
225.9 kB
In fact, the total size of Prof2.ru main page is 310.6 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. 25% of websites need less resources to load. Images take 197.5 kB which makes up the majority of the site volume.
Potential reduce by 24.9 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 24.9 kB or 73% of the original size.
Potential reduce by 7.8 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. Prof 2 images are well optimized though.
Potential reduce by 45.2 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 45.2 kB or 65% of the original size.
Potential reduce by 6.9 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. Prof2.ru needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 75% of the original size.
Number of requests can be reduced by 6 (12%)
49
43
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prof 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
prof2.ru
389 ms
www.prof2.ru
386 ms
css.css
94 ms
css2.css
185 ms
js.js
188 ms
hit
255 ms
watch.js
183 ms
ibgbody2.gif
93 ms
ibgcont.jpg
96 ms
iicohome.gif
93 ms
iicosmap.gif
183 ms
ibgaa.jpg
184 ms
ilogo.gif
184 ms
ibgab.jpg
186 ms
contactbar_phone1.png
186 ms
contactbar_phone2.png
187 ms
contactbar_email.png
288 ms
contactbar_skype.png
288 ms
iche.gif
287 ms
inavc.gif
287 ms
lic_verkont_235_1.jpg
457 ms
udostoverenie_opkuo.jpg
371 ms
svidetelstvo_oukuo.jpg
379 ms
banner3_clivet.gif
379 ms
energy_140x200.gif
378 ms
ibanorder.gif
378 ms
ibusrc.gif
465 ms
forum_holodilnaja_promishlennost.gif
469 ms
samsung240x400.gif
473 ms
part1.jpg
472 ms
part2.jpg
472 ms
part3.jpg
546 ms
part4.jpg
556 ms
part5.jpg
558 ms
part6.jpg
562 ms
part7.jpg
559 ms
part8.jpg
562 ms
part9.jpg
635 ms
part10.jpg
661 ms
part11.jpg
660 ms
part12.jpeg
661 ms
part13.jpg
661 ms
informteh_logo_part.jpg
661 ms
part14.jpg
644 ms
pod1.jpg
655 ms
pod2.jpg
656 ms
watch.js
470 ms
pod3.jpg
567 ms
img_5869s.jpg
565 ms
iloprof.gif
566 ms
ibgplane.gif
641 ms
hit
132 ms
advert.gif
90 ms
1
92 ms
prof2.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
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA toggle fields do not have accessible names
[aria-*] attributes do not have valid values
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
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.
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.
prof2.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
prof2.ru SEO score
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 Prof2.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 Prof2.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.
prof2.ru
Open Graph description is not detected on the main page of Prof 2. 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: