Tools & Wizards About Us
svet-letenek.cz screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

svet-letenek.cz

Levné Letenky Online ✈️ | SVĚT LETENEK ☎️ 284 811 811

Page Load Speed

6.6 sec in total

First Response

717 ms

Resources Loaded

5.4 sec

Page Rendered

488 ms

svet-letenek.cz screenshot

About Website

Visit svet-letenek.cz now to see the best up-to-date Svet LETENEK content for Czech Republic and also check out these interesting facts you probably never knew about svet-letenek.cz

Levné letenky online. ✅ Denně nové akční letenky. ✅ Rezervace letenek nonstop. ✅ Nejlevnější letenky - až 80%. ✅ Skvělé tipy pro cestovatele.

Visit svet-letenek.cz

Key Findings

We analyzed Svet-letenek.cz page load time and found that the first response time was 717 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

svet-letenek.cz performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.705

7/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

svet-letenek.cz

717 ms

www.svet-letenek.cz

1525 ms

jquery.fancybox-1.3.4.css

237 ms

ui_all.min.css

238 ms

glyphicons.css

361 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 76% of them (50 requests) were addressed to the original Svet-letenek.cz, 5% (3 requests) were made to Google-analytics.com and 5% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Svet-letenek.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 433.0 kB (16%)

Content Size

2.7 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Svet-letenek.cz main page is 2.7 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. 45% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 47.4 kB

  • Original 59.3 kB
  • After minification 49.5 kB
  • After compression 11.8 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 9.7 kB, which is 16% 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 47.4 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 19.7 kB

  • Original 2.1 MB
  • After minification 2.1 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. Svet LETENEK images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 297.3 kB

  • Original 431.0 kB
  • After minification 427.1 kB
  • After compression 133.6 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 297.3 kB or 69% of the original size.

CSS Optimization

-79%

Potential reduce by 68.5 kB

  • Original 86.4 kB
  • After minification 84.4 kB
  • After compression 17.9 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. Svet-letenek.cz needs all CSS files to be minified and compressed as it can save up to 68.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (47%)

Requests Now

62

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Svet LETENEK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

svet-letenek.cz

svet-letenek.cz

717 ms

www.svet-letenek.cz

www.svet-letenek.cz

1525 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

237 ms

ui_all.min.css

ui_all.min.css

238 ms

glyphicons.css

glyphicons.css

361 ms

style.min.css

style.min.css

366 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

602 ms

jquery.royalslider.min.js

jquery.royalslider.min.js

369 ms

royalslider.min.css

royalslider.min.css

358 ms

rs-minimal-white.min.css

rs-minimal-white.min.css

357 ms

third-party-js.min.js

third-party-js.min.js

841 ms

functions.min.js

functions.min.js

599 ms

main.js

main.js

476 ms

css

css

25 ms

ga.js

ga.js

63 ms

log.js

log.js

19 ms

BOS.jpg

BOS.jpg

758 ms

IBZ.jpg

IBZ.jpg

835 ms

IST.jpg

IST.jpg

356 ms

MIA.jpg

MIA.jpg

638 ms

FDF.jpg

FDF.jpg

843 ms

PTP.jpg

PTP.jpg

950 ms

LAX.jpg

LAX.jpg

710 ms

SYD.jpg

SYD.jpg

997 ms

VNO.jpg

VNO.jpg

946 ms

TLL.jpg

TLL.jpg

1114 ms

svet-letenek.png

svet-letenek.png

952 ms

Neutral.jpg

Neutral.jpg

1684 ms

logo-csks.png

logo-csks.png

1064 ms

logo-foot-svet-letenek.png

logo-foot-svet-letenek.png

1068 ms

all.js

all.js

276 ms

bg-content-null.png

bg-content-null.png

1063 ms

bg-arrow-orange.png

bg-arrow-orange.png

1107 ms

bg-news-item.png

bg-news-item.png

1175 ms

corner.png

corner.png

1179 ms

tick.png

tick.png

1181 ms

bg-arrow-right-orange.png

bg-arrow-right-orange.png

1225 ms

right-arrow.png

right-arrow.png

1225 ms

bg-arrow-right-blue-dark.png

bg-arrow-right-blue-dark.png

1291 ms

logo-1-ve-svete-letenek.png

logo-1-ve-svete-letenek.png

1295 ms

logo-garance.png

logo-garance.png

1298 ms

social.png

social.png

1342 ms

www.svet-letenek.cz.js

www.svet-letenek.cz.js

195 ms

bg-form.png

bg-form.png

1300 ms

plus.png

plus.png

1364 ms

__utm.gif

__utm.gif

25 ms

__utm.gif

__utm.gif

7 ms

shadow-header.png

shadow-header.png

1236 ms

bg-special-offer.png

bg-special-offer.png

1240 ms

bg-arrow-flight.png

bg-arrow-flight.png

1287 ms

plane.png

plane.png

1288 ms

bg-warning-list.png

bg-warning-list.png

1348 ms

bg-arrow-gray.png

bg-arrow-gray.png

1354 ms

exclamation-bouble.png

exclamation-bouble.png

1358 ms

go-top.png

go-top.png

1405 ms

grab.png

grab.png

1405 ms

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

6 ms

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

20 ms

118 ms

xd_arbiter.php

xd_arbiter.php

224 ms

xd_arbiter.php

xd_arbiter.php

427 ms

preloader-white.gif

preloader-white.gif

1304 ms

ping

ping

44 ms

like.php

like.php

97 ms

nZtQ06WfNJh.js

nZtQ06WfNJh.js

487 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

549 ms

Accessibility Review

svet-letenek.cz accessibility score

91

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.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

svet-letenek.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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

svet-letenek.cz SEO score

84

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

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 Svet-letenek.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 Svet-letenek.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

svet-letenek.cz

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