Tools & Wizards About Us
zalicz.net screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

zalicz.net

Zalicz.net - Rozwiąż każde zadanie domowe!

Page Load Speed

4.6 sec in total

First Response

383 ms

Resources Loaded

3.9 sec

Page Rendered

319 ms

zalicz.net screenshot

About Website

Click here to check amazing Zalicz content for India. Otherwise, check out these important facts you probably never knew about zalicz.net

Darmowe rozwiązanie pracy domowej, szkoła podstawowa, gimnazjum, liceum studia

Visit zalicz.net

Key Findings

We analyzed Zalicz.net page load time and found that the first response time was 383 ms and then it took 4.3 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

zalicz.net performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value39.0 s

0/100

10%

TBT (Total Blocking Time)

Value8,640 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value20.2 s

2/100

10%

Network Requests Diagram

zalicz.net

383 ms

A.qa-styles.css,,q1.6.3+css,,_bootstrap.min.css+css,,_donut.css+css,,_font-awesome.min.css+css,,_donut-responsive.css,Mcc.If5L3J4Yja.css.pagespeed.cf.527L-ZfXAy.css

248 ms

jquery-1.7.2.min.js.pagespeed.jm.TiC1blcYSb.js

272 ms

qa-page.js,q1.6.3.pagespeed.jm.C_mFJHtzbI.js

159 ms

bootstrap.min.js+donut.js.pagespeed.jc._uNnvzf13p.js

160 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 15% of them (8 requests) were addressed to the original Zalicz.net, 13% (7 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Adsearch.adkontekst.pl. The less responsive or slowest element that took the longest time to load (566 ms) relates to the external source Bbcdn.go.arbopl.bbelements.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (64%)

Content Size

1.8 MB

After Optimization

635.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zalicz.net main page is 1.8 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. 60% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 166.3 kB

  • Original 208.1 kB
  • After minification 206.4 kB
  • After compression 41.7 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 166.3 kB or 80% of the original size.

Image Optimization

-15%

Potential reduce by 36.0 kB

  • Original 234.7 kB
  • After minification 198.7 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, Zalicz needs image optimization as it can save up to 36.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 704.1 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 357.5 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 704.1 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 234.8 kB

  • Original 272.3 kB
  • After minification 271.4 kB
  • After compression 37.5 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. Zalicz.net needs all CSS files to be minified and compressed as it can save up to 234.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (70%)

Requests Now

47

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zalicz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zalicz.net

zalicz.net

383 ms

A.qa-styles.css,,q1.6.3+css,,_bootstrap.min.css+css,,_donut.css+css,,_font-awesome.min.css+css,,_donut-responsive.css,Mcc.If5L3J4Yja.css.pagespeed.cf.527L-ZfXAy.css

A.qa-styles.css,,q1.6.3+css,,_bootstrap.min.css+css,,_donut.css+css,,_font-awesome.min.css+css,,_donut-responsive.css,Mcc.If5L3J4Yja.css.pagespeed.cf.527L-ZfXAy.css

248 ms

jquery-1.7.2.min.js.pagespeed.jm.TiC1blcYSb.js

jquery-1.7.2.min.js.pagespeed.jm.TiC1blcYSb.js

272 ms

qa-page.js,q1.6.3.pagespeed.jm.C_mFJHtzbI.js

qa-page.js,q1.6.3.pagespeed.jm.C_mFJHtzbI.js

159 ms

bootstrap.min.js+donut.js.pagespeed.jc._uNnvzf13p.js

bootstrap.min.js+donut.js.pagespeed.jc._uNnvzf13p.js

160 ms

adsbygoogle.js

adsbygoogle.js

6 ms

bb_one2n.js

bb_one2n.js

216 ms

addthis_widget.js

addthis_widget.js

11 ms

187 ms

bb_one2n.113.65.78.1.js

bb_one2n.113.65.78.1.js

350 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

245 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

171 ms

ca-pub-6408196588764826.js

ca-pub-6408196588764826.js

110 ms

zrt_lookup.html

zrt_lookup.html

151 ms

show_ads_impl.js

show_ads_impl.js

103 ms

ads

ads

353 ms

osd.js

osd.js

59 ms

ads

ads

137 ms

pql

pql

16 ms

bb_one2nAliasForWrapper.js

bb_one2nAliasForWrapper.js

458 ms

m_js_controller.js

m_js_controller.js

23 ms

abg.js

abg.js

40 ms

favicon

favicon

67 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

74 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

33 ms

s

s

19 ms

x_button_blue2.png

x_button_blue2.png

6 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

35 ms

favicon

favicon

82 ms

bbnaut-lib-1.7.5.min.js

bbnaut-lib-1.7.5.min.js

342 ms

349 ms

cookier.php

cookier.php

90 ms

analytics.js

analytics.js

87 ms

133 ms

sdk.js

sdk.js

129 ms

video

video

404 ms

co

co

297 ms

300lo.json

300lo.json

16 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

58 ms

collect

collect

49 ms

368 ms

activeview

activeview

15 ms

312 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

39 ms

activeview

activeview

26 ms

xd_arbiter.php

xd_arbiter.php

34 ms

xd_arbiter.php

xd_arbiter.php

149 ms

hit.php

hit.php

341 ms

bb_one2n.js

bb_one2n.js

228 ms

102 ms

bb_one2n.113.65.78.1.js

bb_one2n.113.65.78.1.js

566 ms

457 ms

235 ms

219 ms

Accessibility Review

zalicz.net accessibility score

74

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

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

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

Best Practices

zalicz.net best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zalicz.net SEO score

97

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

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zalicz.net can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Zalicz.net 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

zalicz.net

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