Tools & Wizards About Us
prezentacii.org screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

prezentacii.org

Скачать готовые и бесплатные презентации Power Point - Prezentacii.org

Page Load Speed

2.8 sec in total

First Response

389 ms

Resources Loaded

1.8 sec

Page Rendered

590 ms

prezentacii.org screenshot

About Website

Visit prezentacii.org now to see the best up-to-date Prezentacii content for Russia and also check out these interesting facts you probably never knew about prezentacii.org

Наш сайт предлагает скачать готовые и бесплатные презентации, посвященные самым разным тематикам. Они будут полезны как для учителей, так и для учеников.

Visit prezentacii.org

Key Findings

We analyzed Prezentacii.org page load time and found that the first response time was 389 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

prezentacii.org performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

prezentacii.org

389 ms

prezentacii.org

1029 ms

ui.font.opensans.css

194 ms

main.popup.bundle.css

195 ms

page_5080897073bd924cef925c9b65101b03_v1.css

194 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 85% of them (46 requests) were addressed to the original Prezentacii.org, 6% (3 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Prezentacii.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 142.2 kB (26%)

Content Size

542.4 kB

After Optimization

400.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prezentacii.org main page is 542.4 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. Javascripts take 454.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 57.7 kB

  • Original 68.9 kB
  • After minification 56.6 kB
  • After compression 11.2 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. This page needs HTML code to be minified as it can gain 12.4 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 57.7 kB or 84% of the original size.

Image Optimization

-13%

Potential reduce by 311 B

  • Original 2.4 kB
  • After minification 2.1 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, Prezentacii needs image optimization as it can save up to 311 B or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 79.2 kB

  • Original 454.4 kB
  • After minification 454.4 kB
  • After compression 375.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 79.2 kB or 17% of the original size.

CSS Optimization

-30%

Potential reduce by 4.9 kB

  • Original 16.7 kB
  • After minification 16.7 kB
  • After compression 11.7 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. Prezentacii.org needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

49

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prezentacii. 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.

Network Requests Diagram

prezentacii.org

prezentacii.org

389 ms

prezentacii.org

prezentacii.org

1029 ms

ui.font.opensans.css

ui.font.opensans.css

194 ms

main.popup.bundle.css

main.popup.bundle.css

195 ms

page_5080897073bd924cef925c9b65101b03_v1.css

page_5080897073bd924cef925c9b65101b03_v1.css

194 ms

template_9c4c0cd7d7e9251740999160f3cb3887_v1.css

template_9c4c0cd7d7e9251740999160f3cb3887_v1.css

199 ms

core.js

core.js

600 ms

main.polyfill.customevent.js

main.polyfill.customevent.js

289 ms

dexie.bitrix.bundle.js

dexie.bitrix.bundle.js

490 ms

core_ls.js

core_ls.js

292 ms

core_fx.js

core_fx.js

298 ms

core_frame_cache.js

core_frame_cache.js

386 ms

main.popup.bundle.js

main.popup.bundle.js

489 ms

api.js

api.js

39 ms

css

css

38 ms

script.js

script.js

398 ms

script.js

script.js

481 ms

adfinity.js

adfinity.js

821 ms

recaptcha__en.js

recaptcha__en.js

26 ms

logo.png

logo.png

98 ms

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a65500a0b0785920ab9c72ba72923285.webp

101 ms

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fb361476b1de642bdc0e795dcba678b6.webp

98 ms

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97 ms

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100 ms

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194 ms

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be34cd3986fa5a9fff84e0afcc5afcb7.webp

195 ms

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194 ms

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199 ms

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200 ms

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af8a30a57c82edc3f302c9e423035b17.webp

291 ms

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289 ms

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292 ms

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292 ms

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298 ms

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299 ms

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c23b30b02653d7a54ad07fb5c2e5c950.webp

385 ms

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389 ms

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387 ms

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388 ms

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396 ms

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399 ms

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482 ms

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484 ms

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485 ms

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488 ms

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495 ms

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498 ms

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578 ms

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581 ms

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3f43ca84bbd96f80a53bdf41f55e9650.webp

582 ms

KFOmCnqEu92Fr1Mu72xP.ttf

KFOmCnqEu92Fr1Mu72xP.ttf

32 ms

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40 ms

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47 ms

watch.js

watch.js

1 ms

Accessibility Review

prezentacii.org accessibility score

96

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.

Best Practices

prezentacii.org best practices score

67

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

Displays images with incorrect aspect ratio

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

prezentacii.org SEO score

99

Search Engine Optimization Advices

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 Prezentacii.org 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 Prezentacii.org 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

prezentacii.org

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