Tools & Wizards About Us
esprogress.cz screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

esprogress.cz

Jazyková škola Olomouc - jazykové kurzy v Olomouci

Page Load Speed

4.4 sec in total

First Response

315 ms

Resources Loaded

3.9 sec

Page Rendered

180 ms

esprogress.cz screenshot

About Website

Visit esprogress.cz now to see the best up-to-date Esprogress content and also check out these interesting facts you probably never knew about esprogress.cz

Jazyková škola Olomouc – výuka jazykových kurzů v naší jazykové škole Esprogress v Olomouci. Idividualní výuka, firemní výuak i výuak pro veřejnost.

Visit esprogress.cz

Key Findings

We analyzed Esprogress.cz page load time and found that the first response time was 315 ms and then it took 4 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

esprogress.cz performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.227

55/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

esprogress.cz

315 ms

www.esprogress.cz

1232 ms

wp-emoji-release.min.js

95 ms

layerslider.css

187 ms

css

38 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 93% of them (67 requests) were addressed to the original Esprogress.cz, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Esprogress.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.9 kB (17%)

Content Size

644.7 kB

After Optimization

536.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Esprogress.cz main page is 644.7 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. 50% of websites need less resources to load. Javascripts take 319.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 48.4 kB

  • Original 59.2 kB
  • After minification 51.2 kB
  • After compression 10.7 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. This page needs HTML code to be minified as it can gain 8.0 kB, which is 14% 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 48.4 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 6.8 kB

  • Original 201.0 kB
  • After minification 194.2 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. Esprogress images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 39.9 kB

  • Original 319.8 kB
  • After minification 319.8 kB
  • After compression 279.9 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 39.9 kB or 12% of the original size.

CSS Optimization

-20%

Potential reduce by 12.7 kB

  • Original 64.7 kB
  • After minification 64.7 kB
  • After compression 52.0 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. Esprogress.cz needs all CSS files to be minified and compressed as it can save up to 12.7 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (54%)

Requests Now

69

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esprogress. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

esprogress.cz

esprogress.cz

315 ms

www.esprogress.cz

www.esprogress.cz

1232 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

95 ms

layerslider.css

layerslider.css

187 ms

css

css

38 ms

styles.css

styles.css

277 ms

fontello.css

fontello.css

278 ms

animation.css

animation.css

279 ms

fontello-ie7.css

fontello-ie7.css

279 ms

bootstrap.css

bootstrap.css

283 ms

stmenu.css

stmenu.css

280 ms

jquery-ui-1.7.3.custom.css

jquery-ui-1.7.3.custom.css

368 ms

style.css

style.css

461 ms

sttoolkit.css

sttoolkit.css

369 ms

magnific-popup.css

magnific-popup.css

371 ms

greensock.js

greensock.js

469 ms

jquery.js

jquery.js

377 ms

jquery-migrate.min.js

jquery-migrate.min.js

468 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

554 ms

layerslider.transitions.js

layerslider.transitions.js

467 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

498 ms

jcarousel.responsive.js

jcarousel.responsive.js

551 ms

jquery-ui.js

jquery-ui.js

29 ms

js

js

52 ms

jcarouselresponsive.css

jcarouselresponsive.css

550 ms

style-admin.css

style-admin.css

549 ms

jquery.form.min.js

jquery.form.min.js

593 ms

scripts.js

scripts.js

596 ms

bootstrap.js

bootstrap.js

644 ms

core.min.js

core.min.js

643 ms

datepicker.min.js

datepicker.min.js

643 ms

toolkit.min.js

toolkit.min.js

739 ms

st-user.js

st-user.js

649 ms

underscore.min.js

underscore.min.js

650 ms

shortcode.min.js

shortcode.min.js

732 ms

stmenu.js

stmenu.js

734 ms

ddsmoothmenu.js

ddsmoothmenu.js

733 ms

custom.js

custom.js

748 ms

comment-reply.min.js

comment-reply.min.js

748 ms

logo.png

logo.png

93 ms

icon-phone.png

icon-phone.png

246 ms

arrow-down-white.png

arrow-down-white.png

247 ms

slider1.jpg

slider1.jpg

418 ms

3202263193.png

3202263193.png

247 ms

159895logo11.png

159895logo11.png

247 ms

67035163517ref_logo_volvo.png

67035163517ref_logo_volvo.png

248 ms

877485logo12.png

877485logo12.png

324 ms

6339ref_logo_4.png

6339ref_logo_4.png

326 ms

212759ref_logo_5.png

212759ref_logo_5.png

331 ms

821093ref_logo_6.png

821093ref_logo_6.png

332 ms

575591ref_logo_7.png

575591ref_logo_7.png

335 ms

163517ref_logo_8.png

163517ref_logo_8.png

417 ms

285028ref_logo_9.png

285028ref_logo_9.png

418 ms

389469ref_logo_10.png

389469ref_logo_10.png

422 ms

158840ref_logo_2.png

158840ref_logo_2.png

423 ms

594921ref_logo_3.png

594921ref_logo_3.png

427 ms

933543ref_logo_1.png

933543ref_logo_1.png

509 ms

green-li.png

green-li.png

470 ms

yellow-li.png

yellow-li.png

472 ms

blue-li.png

blue-li.png

476 ms

red-li.png

red-li.png

477 ms

footer-li.png

footer-li.png

481 ms

footer-star.png

footer-star.png

562 ms

fontello.woff

fontello.woff

731 ms

analytics.js

analytics.js

64 ms

skin.css

skin.css

421 ms

ajax-loader.gif

ajax-loader.gif

393 ms

collect

collect

16 ms

more2.png

more2.png

94 ms

slider-pozadi.png

slider-pozadi.png

172 ms

skin.png

skin.png

94 ms

loading.gif

loading.gif

93 ms

Accessibility Review

esprogress.cz accessibility score

81

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

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

Form elements do not have associated labels

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

esprogress.cz 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

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

SEO Factors

esprogress.cz SEO score

96

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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esprogress.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Esprogress.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

esprogress.cz

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