Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

semestr.ru

Сервисы портала Новый семестр

Page Load Speed

5.2 sec in total

First Response

461 ms

Resources Loaded

4.6 sec

Page Rendered

186 ms

semestr.ru screenshot

About Website

Welcome to semestr.ru homepage info - get ready to check Semestr best content for Russia right away, or after learning these important things about semestr.ru

Портал Новый семестр. Основные виды сервисов

Visit semestr.ru

Key Findings

We analyzed Semestr.ru page load time and found that the first response time was 461 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

semestr.ru performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

74/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

semestr.ru

461 ms

www.semestr.ru

2264 ms

home.css

234 ms

jquery.min.js

28 ms

bootstrap.min.css

621 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 25% of them (14 requests) were addressed to the original Semestr.ru, 41% (23 requests) were made to Tpc.googlesyndication.com and 9% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Semestr.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.8 kB (39%)

Content Size

498.0 kB

After Optimization

303.1 kB

In fact, the total size of Semestr.ru main page is 498.0 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. 40% of websites need less resources to load. Images take 250.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 21.6 kB

  • Original 29.7 kB
  • After minification 29.5 kB
  • After compression 8.1 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 21.6 kB or 73% of the original size.

Image Optimization

-1%

Potential reduce by 2.0 kB

  • Original 250.3 kB
  • After minification 248.2 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. Semestr images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 40.4 kB

  • Original 59.1 kB
  • After minification 58.6 kB
  • After compression 18.6 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 40.4 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 130.8 kB

  • Original 159.0 kB
  • After minification 158.4 kB
  • After compression 28.2 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. Semestr.ru needs all CSS files to be minified and compressed as it can save up to 130.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (33%)

Requests Now

49

After Optimization

33

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semestr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

semestr.ru accessibility score

53

Accessibility Issues

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

semestr.ru best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

semestr.ru SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

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

Social Sharing Optimization

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