Tools & Wizards About Us
pochemu-zachem.ru screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

pochemu-zachem.ru

«Зачем и почему» | Как узнать множество интересных и зажигательных историй, фактов и объяснений в мире. На нашем сайте вы найдете много полезной и инт...

Page Load Speed

4.7 sec in total

First Response

560 ms

Resources Loaded

3.8 sec

Page Rendered

283 ms

pochemu-zachem.ru screenshot

About Website

Welcome to pochemu-zachem.ru homepage info - get ready to check Pochemu Zachem best content right away, or after learning these important things about pochemu-zachem.ru

Как узнать множество интересных и зажигательных историй, фактов и объяснений в мире. На нашем сайте вы найдете много полезной и интересной информации из различных областей науки, спорта, природы, живо...

Visit pochemu-zachem.ru

Key Findings

We analyzed Pochemu-zachem.ru page load time and found that the first response time was 560 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

pochemu-zachem.ru performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value4,340 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.379

28/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

pochemu-zachem.ru

560 ms

pochemu-zachem.ru

750 ms

css

34 ms

style.min.css

148 ms

wmac_single_592ead116e192a422e3e033ccad4f39d.css

289 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 35% of them (40 requests) were addressed to the original Pochemu-zachem.ru, 15% (17 requests) were made to Fonts.gstatic.com and 10% (11 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1000 ms) belongs to the original domain Pochemu-zachem.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 728.6 kB (42%)

Content Size

1.7 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pochemu-zachem.ru main page is 1.7 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. 65% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 216.4 kB

  • Original 255.0 kB
  • After minification 255.0 kB
  • After compression 38.6 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 216.4 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 14.8 kB

  • Original 332.4 kB
  • After minification 317.6 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. Pochemu Zachem images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 496.5 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 629.3 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 496.5 kB or 44% of the original size.

CSS Optimization

-3%

Potential reduce by 925 B

  • Original 35.0 kB
  • After minification 35.0 kB
  • After compression 34.1 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. Pochemu-zachem.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 44 (51%)

Requests Now

87

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pochemu Zachem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pochemu-zachem.ru

pochemu-zachem.ru

560 ms

pochemu-zachem.ru

pochemu-zachem.ru

750 ms

css

css

34 ms

style.min.css

style.min.css

148 ms

wmac_single_592ead116e192a422e3e033ccad4f39d.css

wmac_single_592ead116e192a422e3e033ccad4f39d.css

289 ms

screen.min.css

screen.min.css

414 ms

unsemantic-grid.min.css

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415 ms

style.min.css

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421 ms

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424 ms

font-icons.min.css

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424 ms

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428 ms

sticky.min.css

sticky.min.css

550 ms

offside.min.css

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551 ms

icons.min.css

icons.min.css

557 ms

navigation-branding.min.css

navigation-branding.min.css

565 ms

frontend.min.css

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566 ms

adsbygoogle.js

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122 ms

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522 ms

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632 ms

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1000 ms

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868 ms

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167 ms

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479 ms

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599 ms

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709 ms

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714 ms

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735 ms

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736 ms

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434 ms

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52 ms

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68 ms

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68 ms

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69 ms

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69 ms

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69 ms

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91 ms

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90 ms

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629 ms

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699 ms

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57 ms

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239 ms

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49 ms

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411 ms

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201 ms

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390 ms

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201 ms

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104 ms

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104 ms

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392 ms

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37 ms

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125 ms

Accessibility Review

pochemu-zachem.ru accessibility score

88

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.

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

ARIA IDs are not unique

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

Best Practices

pochemu-zachem.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

pochemu-zachem.ru SEO score

90

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

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 Pochemu-zachem.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 Pochemu-zachem.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

pochemu-zachem.ru

Open Graph data is detected on the main page of Pochemu Zachem. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: