Tools & Wizards About Us
seminarky.cz screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

seminarky.cz

Semin?rn? pr?ce - Refer?ty - Semin?rky.cz

Page Load Speed

22.6 sec in total

First Response

417 ms

Resources Loaded

21.7 sec

Page Rendered

449 ms

seminarky.cz screenshot

About Website

Welcome to seminarky.cz homepage info - get ready to check Semin A Rky best content for Czech Republic right away, or after learning these important things about seminarky.cz

Semin?rn? pr?ce, refer?ty, ?ten??sk? den?ky, maturitn? ot?zky, diplomky a bakal??ky, studijn? materi?ly, ?ivotopisy, katalog ?kol - to v?e najdete na webu s nejv?t?? datab?z? prac? ke sta?en? Seminark...

Visit seminarky.cz

Key Findings

We analyzed Seminarky.cz page load time and found that the first response time was 417 ms and then it took 22.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

seminarky.cz performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

seminarky.cz

417 ms

www.seminarky.cz

339 ms

main_new.css

438 ms

stylesheet.css

221 ms

spcjs.php

585 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 38% of them (20 requests) were addressed to the original Seminarky.cz, 25% (13 requests) were made to Ads.seminarky.cz and 10% (5 requests) were made to Kampomaturite.cz. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 203.7 kB (5%)

Content Size

4.4 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seminarky.cz main page is 4.4 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. 40% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 63.5 kB

  • Original 81.6 kB
  • After minification 75.2 kB
  • After compression 18.1 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 63.5 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 16.6 kB

  • Original 3.9 MB
  • After minification 3.9 MB

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. Semin A Rky images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 86.5 kB

  • Original 295.4 kB
  • After minification 294.1 kB
  • After compression 208.9 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 86.5 kB or 29% of the original size.

CSS Optimization

-81%

Potential reduce by 37.2 kB

  • Original 45.8 kB
  • After minification 37.1 kB
  • After compression 8.6 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. Seminarky.cz needs all CSS files to be minified and compressed as it can save up to 37.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (56%)

Requests Now

48

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semin A Rky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

seminarky.cz

seminarky.cz

417 ms

www.seminarky.cz

www.seminarky.cz

339 ms

main_new.css

main_new.css

438 ms

stylesheet.css

stylesheet.css

221 ms

spcjs.php

spcjs.php

585 ms

js

js

65 ms

jquery-1.6.2.min.js

jquery-1.6.2.min.js

547 ms

cookie2022.css

cookie2022.css

221 ms

cookie2022jqf.js

cookie2022jqf.js

221 ms

js

js

57 ms

top_web_bg.gif

top_web_bg.gif

220 ms

spc.php

spc.php

271 ms

fl.js

fl.js

439 ms

retargeting.js

retargeting.js

753 ms

KPM52_titulka.jpg

KPM52_titulka.jpg

1599 ms

logo_semi_new.png

logo_semi_new.png

222 ms

count.asp

count.asp

19937 ms

lupaBig.png

lupaBig.png

221 ms

small_banner_redesign_vscom2024.jpg

small_banner_redesign_vscom2024.jpg

871 ms

small_KPM51titulka300.jpg

small_KPM51titulka300.jpg

878 ms

KPM50_titulka_ctverec.jpg

KPM50_titulka_ctverec.jpg

1738 ms

KPM49_titulka_ctverec.jpg

KPM49_titulka_ctverec.jpg

1735 ms

plusone.js

plusone.js

79 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

329 ms

683b86a231c69556b344d2feb7d20b23.gif

683b86a231c69556b344d2feb7d20b23.gif

453 ms

lg.php

lg.php

236 ms

bottomWebBg.png

bottomWebBg.png

230 ms

sprites.png

sprites.png

230 ms

topNavigBg.png

topNavigBg.png

231 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

21 ms

searchBgHp.png

searchBgHp.png

320 ms

pagerRightActive.png

pagerRightActive.png

320 ms

pagerLeftActive.png

pagerLeftActive.png

424 ms

pagerRight.png

pagerRight.png

424 ms

pagerLeft.png

pagerLeft.png

425 ms

ee8d6f6e5dad8b76d46ea105f4f599d1.gif

ee8d6f6e5dad8b76d46ea105f4f599d1.gif

328 ms

lg.php

lg.php

224 ms

c659c43e401ac062bd41417a5487a3e3.gif

c659c43e401ac062bd41417a5487a3e3.gif

438 ms

lg.php

lg.php

222 ms

030b4bc56d427ef78d43aa6c4b505a7f.gif

030b4bc56d427ef78d43aa6c4b505a7f.gif

600 ms

lg.php

lg.php

446 ms

da9b8d2c9df3d1a80cd88fc6352aeb76.gif

da9b8d2c9df3d1a80cd88fc6352aeb76.gif

656 ms

lg.php

lg.php

547 ms

instagram.png

instagram.png

404 ms

dot.asp

dot.asp

545 ms

xgemius.js

xgemius.js

379 ms

28 ms

26 ms

4 ms

lsget.html

lsget.html

327 ms

fpdata.js

fpdata.js

354 ms

rexdot.js

rexdot.js

88 ms

Accessibility Review

seminarky.cz accessibility score

63

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

seminarky.cz 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

seminarky.cz SEO score

62

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

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

    N/A

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seminarky.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Seminarky.cz 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

seminarky.cz

Open Graph description is not detected on the main page of Semin A Rky. 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: