Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

pstu.ac.ru

Пермский национальный исследовательский политехнический университет

Page Load Speed

14.3 sec in total

First Response

950 ms

Resources Loaded

7.2 sec

Page Rendered

6.2 sec

About Website

Visit pstu.ac.ru now to see the best up-to-date Pstu content for Russia and also check out these interesting facts you probably never knew about pstu.ac.ru

Пермский Национальный Исследовательский Политехнический Университет. Новости и события университета. Информация для абитуриентов, студентов, аспирантов, преподавателей и профессоров.

Visit pstu.ac.ru

Key Findings

We analyzed Pstu.ac.ru page load time and found that the first response time was 950 ms and then it took 13.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

pstu.ac.ru performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value19.7 s

0/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

pstu.ac.ru

950 ms

pstu.ru

1309 ms

newpstu2019.css

327 ms

newpstu2019_mobile.css

643 ms

620351de1ebcff6a9bd9f959.js

1116 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Pstu.ac.ru, 92% (85 requests) were made to Pstu.ru and 3% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Pstu.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 653.8 kB (7%)

Content Size

9.0 MB

After Optimization

8.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pstu.ac.ru main page is 9.0 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. 70% of websites need less resources to load. Images take 8.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 70.9 kB

  • Original 90.8 kB
  • After minification 89.5 kB
  • After compression 19.9 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 70.9 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 258.1 kB

  • Original 8.4 MB
  • After minification 8.1 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. Pstu images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 244.6 kB

  • Original 434.4 kB
  • After minification 434.1 kB
  • After compression 189.8 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 244.6 kB or 56% of the original size.

CSS Optimization

-82%

Potential reduce by 80.3 kB

  • Original 97.4 kB
  • After minification 84.7 kB
  • After compression 17.1 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. Pstu.ac.ru needs all CSS files to be minified and compressed as it can save up to 80.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (33%)

Requests Now

79

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pstu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

pstu.ac.ru accessibility score

66

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

pstu.ac.ru best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

pstu.ac.ru SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pstu.ac.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 Pstu.ac.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Pstu. 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: