Tools & Wizards About Us
ilektori.cz screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

ilektori.cz

iLektoři.cz | Databáze lektorů z ČR a Slovenska

Page Load Speed

5.5 sec in total

First Response

1.6 sec

Resources Loaded

3.4 sec

Page Rendered

459 ms

ilektori.cz screenshot

About Website

Click here to check amazing Ilektori content for Czech Republic. Otherwise, check out these important facts you probably never knew about ilektori.cz

Rozsáhlá databáze doučujících lektorů z různých oblastí, od matematiky až po tanec. Najděte si skvělého lektora ve vaší lokalitě!

Visit ilektori.cz

Key Findings

We analyzed Ilektori.cz page load time and found that the first response time was 1.6 sec and then it took 3.9 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

ilektori.cz performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value35.4 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

ilektori.cz

1615 ms

layout.css

719 ms

styles.css

245 ms

commons.2.0.css

247 ms

jquery.min.js

934 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 96% of them (46 requests) were addressed to the original Ilektori.cz, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Ilektori.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 524.0 kB (62%)

Content Size

846.8 kB

After Optimization

322.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ilektori.cz main page is 846.8 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. 30% of websites need less resources to load. Javascripts take 490.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 28.6 kB

  • Original 36.3 kB
  • After minification 33.6 kB
  • After compression 7.7 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 28.6 kB or 79% of the original size.

Image Optimization

-28%

Potential reduce by 58.5 kB

  • Original 212.2 kB
  • After minification 153.7 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, Ilektori needs image optimization as it can save up to 58.5 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 345.7 kB

  • Original 490.1 kB
  • After minification 460.6 kB
  • After compression 144.4 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 345.7 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 91.2 kB

  • Original 108.1 kB
  • After minification 81.5 kB
  • After compression 17.0 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. Ilektori.cz needs all CSS files to be minified and compressed as it can save up to 91.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

47

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ilektori. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ilektori.cz

ilektori.cz

1615 ms

layout.css

layout.css

719 ms

styles.css

styles.css

245 ms

commons.2.0.css

commons.2.0.css

247 ms

jquery.min.js

jquery.min.js

934 ms

jquery-ui.min.js

jquery-ui.min.js

1192 ms

jquery.cycle.all.js

jquery.cycle.all.js

846 ms

jquery.ajaxform.js

jquery.ajaxform.js

383 ms

netteForms.js

netteForms.js

343 ms

esecure.js

esecure.js

458 ms

onload.js

onload.js

505 ms

jquery.selectbox-0.2.min.js

jquery.selectbox-0.2.min.js

574 ms

jquery.selectbox.css

jquery.selectbox.css

634 ms

select2.min.js

select2.min.js

916 ms

select2.css

select2.css

848 ms

jquery-ui.css

jquery-ui.css

1122 ms

jquery.handsontable.css

jquery.handsontable.css

856 ms

jquery.fancybox.css

jquery.fancybox.css

946 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

1121 ms

default.js

default.js

975 ms

bg.gif

bg.gif

916 ms

bg-nav.gif

bg-nav.gif

125 ms

logo.png

logo.png

126 ms

arrow-1.png

arrow-1.png

121 ms

bg-login.png

bg-login.png

123 ms

bg-content.png

bg-content.png

245 ms

bg-header.jpg

bg-header.jpg

597 ms

text-1-cs.gif

text-1-cs.gif

242 ms

title-latest-profiles-cs.png

title-latest-profiles-cs.png

246 ms

bg-lector-shadow.png

bg-lector-shadow.png

244 ms

bg-lector.png

bg-lector.png

603 ms

2137_preview_cropped_107x132.jpg

2137_preview_cropped_107x132.jpg

364 ms

envelop.png

envelop.png

366 ms

2136_preview_cropped_107x132.jpg

2136_preview_cropped_107x132.jpg

368 ms

skype.png

skype.png

488 ms

2135_preview_cropped_107x132.jpg

2135_preview_cropped_107x132.jpg

489 ms

2134_preview_cropped_107x132.jpg

2134_preview_cropped_107x132.jpg

496 ms

2133_preview_cropped_107x132.jpg

2133_preview_cropped_107x132.jpg

610 ms

2132_preview_cropped_107x132.jpg

2132_preview_cropped_107x132.jpg

612 ms

wide-flag.png

wide-flag.png

619 ms

three-heads.png

three-heads.png

713 ms

text-3-cs.png

text-3-cs.png

721 ms

arrow-2.png

arrow-2.png

731 ms

bg-footer.gif

bg-footer.gif

855 ms

facebook.png

facebook.png

743 ms

twitter.png

twitter.png

832 ms

ga.js

ga.js

50 ms

__utm.gif

__utm.gif

18 ms

Accessibility Review

ilektori.cz accessibility score

73

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ilektori.cz best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ilektori.cz SEO score

92

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ilektori.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Ilektori.cz 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

ilektori.cz

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