Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

physmatica.ru

Физматика Физматика

Page Load Speed

24.4 sec in total

First Response

925 ms

Resources Loaded

23.3 sec

Page Rendered

174 ms

About Website

Click here to check amazing Physmatica content for Russia. Otherwise, check out these important facts you probably never knew about physmatica.ru

Физматика - материалы по физике и математике для школьников и педагогов

Visit physmatica.ru

Key Findings

We analyzed Physmatica.ru page load time and found that the first response time was 925 ms and then it took 23.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

physmatica.ru performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,530 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

physmatica.ru

925 ms

style.css

110 ms

css

21 ms

jquery.min.js

319 ms

custom.js

216 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 31% of them (23 requests) were addressed to the original Physmatica.ru, 12% (9 requests) were made to Sync.dmp.otm-r.com and 5% (4 requests) were made to Am15.net. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Static.weborama.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.2 kB (11%)

Content Size

591.2 kB

After Optimization

525.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Physmatica.ru main page is 591.2 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 408.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 19.8 kB

  • Original 27.0 kB
  • After minification 25.3 kB
  • After compression 7.2 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 19.8 kB or 73% of the original size.

Image Optimization

-9%

Potential reduce by 37.5 kB

  • Original 408.4 kB
  • After minification 370.9 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. Physmatica images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 7.5 kB

  • Original 149.7 kB
  • After minification 149.7 kB
  • After compression 142.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 1.4 kB

  • Original 6.0 kB
  • After minification 6.0 kB
  • After compression 4.7 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. Physmatica.ru needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (69%)

Requests Now

48

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physmatica. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

physmatica.ru accessibility score

66

Accessibility Issues

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

physmatica.ru best practices score

58

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

High

Page has valid source maps

SEO Factors

physmatica.ru SEO score

69

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

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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