4.8 sec in total
1.1 sec
3.4 sec
346 ms
Welcome to progstudy.ru homepage info - get ready to check Progstudy best content for Russia right away, or after learning these important things about progstudy.ru
ProgStudy.ru - онлайн школа программирования, ориентированная на подготовку учащихся в ней студентовк наиболее востребованным специальностям в области IT индустрии
Visit progstudy.ruWe analyzed Progstudy.ru page load time and found that the first response time was 1.1 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
progstudy.ru performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value8.7 s
1/100
25%
Value15.0 s
1/100
10%
Value3,180 ms
2/100
30%
Value0.348
32/100
15%
Value31.0 s
0/100
10%
1055 ms
451 ms
1218 ms
364 ms
26 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 57% of them (33 requests) were addressed to the original Progstudy.ru, 21% (12 requests) were made to Vk.com and 7% (4 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Progstudy.ru.
Page size can be reduced by 1.7 MB (83%)
2.0 MB
341.8 kB
In fact, the total size of Progstudy.ru main page is 2.0 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. 35% of websites need less resources to load. HTML takes 1.4 MB which makes up the majority of the site volume.
Potential reduce by 1.3 MB
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 1.3 MB or 95% of the original size.
Potential reduce by 89.6 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, Progstudy needs image optimization as it can save up to 89.6 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 264.0 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 264.0 kB or 73% of the original size.
Potential reduce by 38.4 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. Progstudy.ru needs all CSS files to be minified and compressed as it can save up to 38.4 kB or 80% of the original size.
Number of requests can be reduced by 20 (36%)
55
35
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Progstudy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
progstudy.ru
1055 ms
jscss.php
451 ms
jscss.php
1218 ms
openapi.js
364 ms
css
26 ms
analytics.js
16 ms
logo.png
136 ms
1_0_AEAEAEFF_8E8E8EFF_1_visits
228 ms
main_page_bg.png
401 ms
js_developer.jpg
146 ms
php_developer.jpg
530 ms
level2.png
412 ms
course_js.png
393 ms
course_name_botom_border.png
279 ms
course_php.png
275 ms
level1.png
406 ms
course_sql.png
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course_html.png
516 ms
first_lesson_free.png
533 ms
course_kmb.png
535 ms
cpp_developer.jpg
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android_developer.jpg
817 ms
course_cpp.png
653 ms
course_android.png
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course_3d.png
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course_java.png
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system_admin.jpg
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administrator_sql.jpg
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course_linux.png
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main_278x200.jpg
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arrow_profession_choice.png
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articles.png
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phone.png
945 ms
email.png
1012 ms
collect
83 ms
upload.gif
123 ms
widget_community.php
280 ms
watch.js
170 ms
collect
68 ms
prof.js
953 ms
prof.css
966 ms
watch.js
430 ms
loader_nav19188_3.js
122 ms
lite.css
126 ms
lite.js
482 ms
lang3_0.js
245 ms
widget_community.css
245 ms
xdm.js
245 ms
al_community.js
247 ms
advert.gif
85 ms
ewXxrCRLAHk.jpg
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GBRXOlBKivQ.jpg
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Qkc0clDP4eI.jpg
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camera_50.png
121 ms
w_logo.png
126 ms
1
85 ms
prof.js
137 ms
progstudy.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
<frame> or <iframe> elements do not have a title
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
progstudy.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
progstudy.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Progstudy.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 Progstudy.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.
progstudy.ru
Open Graph data is detected on the main page of Progstudy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: