Tools & Wizards About Us
pristani.cz screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% 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

pristani.cz

Levné Letenky Online ✈️ | SVĚT LETENEK ☎️ 284 811 811

Page Load Speed

4 sec in total

First Response

451 ms

Resources Loaded

3.2 sec

Page Rendered

335 ms

pristani.cz screenshot

About Website

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

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

Visit pristani.cz

Key Findings

We analyzed Pristani.cz page load time and found that the first response time was 451 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

pristani.cz performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.704

7/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

pristani.cz

451 ms

www.svet-letenek.cz

528 ms

www.svet-letenek.cz

563 ms

gtm.js

89 ms

font-awesome.min.css

27 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Pristani.cz, 88% (70 requests) were made to Svet-letenek.cz and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (728 ms) relates to the external source Svet-letenek.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.5 kB (9%)

Content Size

877.1 kB

After Optimization

797.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pristani.cz main page is 877.1 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. 55% of websites need less resources to load. Images take 569.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 60.8 kB

  • Original 75.3 kB
  • After minification 61.2 kB
  • After compression 14.5 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 14.1 kB, which is 19% 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 60.8 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 13.0 kB

  • Original 569.1 kB
  • After minification 556.1 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. Pristani images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 205.8 kB
  • After minification 205.8 kB
  • After compression 203.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-11%

Potential reduce by 2.9 kB

  • Original 27.0 kB
  • After minification 27.0 kB
  • After compression 24.1 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. Pristani.cz needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (42%)

Requests Now

77

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pristani. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pristani.cz

pristani.cz

451 ms

www.svet-letenek.cz

www.svet-letenek.cz

528 ms

www.svet-letenek.cz

www.svet-letenek.cz

563 ms

gtm.js

gtm.js

89 ms

font-awesome.min.css

font-awesome.min.css

27 ms

external-style.css

external-style.css

108 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

212 ms

royalslider.min.css

royalslider.min.css

316 ms

rs-minimal-white.min.css

rs-minimal-white.min.css

316 ms

rs-default.css

rs-default.css

317 ms

owl.carousel.css

owl.carousel.css

316 ms

owl.theme.css

owl.theme.css

332 ms

ui_all.min.css

ui_all.min.css

333 ms

glyphicons.css

glyphicons.css

420 ms

style.css

style.css

423 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

528 ms

royal-9.3.6.js

royal-9.3.6.js

525 ms

third-party-js.min.js

third-party-js.min.js

674 ms

functions.min.js

functions.min.js

558 ms

main.js

main.js

526 ms

owl.carousel.js

owl.carousel.js

539 ms

css

css

35 ms

retargeting.js

retargeting.js

686 ms

log.js

log.js

423 ms

iata.png

iata.png

107 ms

accka.png

accka.png

112 ms

score.png

score.png

111 ms

usd.png

usd.png

106 ms

hvezda.png

hvezda.png

107 ms

blesk.png

blesk.png

108 ms

tick.png

tick.png

209 ms

calendar.png

calendar.png

209 ms

palec.png

palec.png

210 ms

zamek.png

zamek.png

211 ms

globe.png

globe.png

220 ms

kufr.png

kufr.png

221 ms

hasak.png

hasak.png

311 ms

hodiny.png

hodiny.png

312 ms

dum.png

dum.png

312 ms

JRO.jpg

JRO.jpg

317 ms

FDF.jpg

FDF.jpg

331 ms

DXB.jpg

DXB.jpg

332 ms

MLA.jpg

MLA.jpg

417 ms

REK.jpg

REK.jpg

416 ms

TBS.jpg

TBS.jpg

416 ms

SFO.jpg

SFO.jpg

420 ms

PER.jpg

PER.jpg

441 ms

SHA.jpg

SHA.jpg

443 ms

RTB.jpg

RTB.jpg

521 ms

svet-letenek.png

svet-letenek.png

521 ms

Neutral1.jpg

Neutral1.jpg

682 ms

logo-csks.png

logo-csks.png

524 ms

logo-foot-svet-letenek.png

logo-foot-svet-letenek.png

552 ms

all.js

all.js

42 ms

bg-content-null.png

bg-content-null.png

549 ms

bg-arrow-orange.png

bg-arrow-orange.png

678 ms

info-2.png

info-2.png

662 ms

arrow-right-orange.png

arrow-right-orange.png

662 ms

bg-news-item.png

bg-news-item.png

663 ms

corner.png

corner.png

663 ms

tick.png

tick.png

709 ms

font

font

33 ms

all.js

all.js

23 ms

39 ms

bg-arrow-right-orange.png

bg-arrow-right-orange.png

629 ms

logo-1-ve-svete-letenek.png

logo-1-ve-svete-letenek.png

629 ms

logo-garance.png

logo-garance.png

630 ms

social.png

social.png

673 ms

bg-form.png

bg-form.png

671 ms

plus.png

plus.png

728 ms

shadow-header.png

shadow-header.png

630 ms

bg-warning-list.png

bg-warning-list.png

630 ms

bg-arrow-gray.png

bg-arrow-gray.png

630 ms

exclamation-bouble.png

exclamation-bouble.png

680 ms

go-top.png

go-top.png

671 ms

preloader-white.gif

preloader-white.gif

259 ms

grad-home-block.png

grad-home-block.png

259 ms

lock-card.png

lock-card.png

259 ms

plane-blue.png

plane-blue.png

260 ms

stars.png

stars.png

318 ms

Accessibility Review

pristani.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

pristani.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

pristani.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 Pristani.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 Pristani.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

pristani.cz

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