Tools & Wizards About Us
prezentacje.org screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

prezentacje.org

Prezentacje.Org: Smieszne, mi?osne prezentacje - Power point - prezentacje

Page Load Speed

1.7 sec in total

First Response

472 ms

Resources Loaded

1.1 sec

Page Rendered

154 ms

prezentacje.org screenshot

About Website

Welcome to prezentacje.org homepage info - get ready to check Prezentacje best content for Poland right away, or after learning these important things about prezentacje.org

Smieszne, mi?osne prezentacje multimedialne. Strona zawiera prezentacje w Power Poincie: smieszne, mi?osne, logiczne prezentacje. Kursy Power Pointa.

Visit prezentacje.org

Key Findings

We analyzed Prezentacje.org page load time and found that the first response time was 472 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

prezentacje.org performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

prezentacje.org

472 ms

urchin.js

6 ms

show_ads.js

20 ms

imp

9 ms

l_g.gif

154 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 47% of them (18 requests) were addressed to the original Prezentacje.org, 13% (5 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (593 ms) relates to the external source Twojsennik.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.8 kB (28%)

Content Size

108.4 kB

After Optimization

77.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Prezentacje.org main page is 108.4 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. 35% of websites need less resources to load. Images take 46.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 19.1 kB

  • Original 24.5 kB
  • After minification 24.2 kB
  • After compression 5.4 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 19.1 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 928 B

  • Original 46.4 kB
  • After minification 45.4 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. Prezentacje images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 10.8 kB

  • Original 37.6 kB
  • After minification 37.4 kB
  • After compression 26.8 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 10.8 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (41%)

Requests Now

37

After Optimization

22

  • AJAX
  • Images
  • JavaScript

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prezentacje. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

prezentacje.org

prezentacje.org

472 ms

urchin.js

urchin.js

6 ms

show_ads.js

show_ads.js

20 ms

imp

imp

9 ms

l_g.gif

l_g.gif

154 ms

guzik_sennik.gif

guzik_sennik.gif

593 ms

zyczenia.gif

zyczenia.gif

540 ms

__utm.gif

__utm.gif

26 ms

s_g.gif

s_g.gif

337 ms

l_d.gif

l_d.gif

339 ms

s_d.gif

s_d.gif

338 ms

p_d.gif

p_d.gif

338 ms

maly_g.gif

maly_g.gif

334 ms

pl.gif

pl.gif

262 ms

maly_d.gif

maly_d.gif

377 ms

de.gif

de.gif

468 ms

guzik_home_g.gif

guzik_home_g.gif

468 ms

guzik_kursy.gif

guzik_kursy.gif

470 ms

guzik_smie.gif

guzik_smie.gif

468 ms

guzik_mil.gif

guzik_mil.gif

469 ms

guzik_log.gif

guzik_log.gif

524 ms

guzik_inne.gif

guzik_inne.gif

563 ms

guzik_link.gif

guzik_link.gif

563 ms

guzik_mail.gif

guzik_mail.gif

564 ms

ca-pub-3714227869481411.js

ca-pub-3714227869481411.js

137 ms

zrt_lookup.html

zrt_lookup.html

160 ms

show_ads_impl.js

show_ads_impl.js

53 ms

imp

imp

17 ms

ads

ads

216 ms

osd.js

osd.js

35 ms

ads

ads

265 ms

abg.js

abg.js

35 ms

7698079254724914824

7698079254724914824

11 ms

s

s

7 ms

m_js_controller.js

m_js_controller.js

9 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

48 ms

x_button_blue2.png

x_button_blue2.png

39 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

4 ms

Accessibility Review

prezentacje.org accessibility score

61

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

[aria-*] attributes do not match their roles

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

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

prezentacje.org best practices score

50

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

High

Browser errors were logged to the console

SEO Factors

prezentacje.org 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

    PL

  • Language Claimed

    PL

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prezentacje.org can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Prezentacje.org main page’s claimed encoding is windows-1250. 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

prezentacje.org

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