Tools & Wizards About Us
invia.cz screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

invia.cz

Invia.cz - Vaše dovolená 2024, Nejširší výběr zájezdů

Page Load Speed

7.7 sec in total

First Response

317 ms

Resources Loaded

6.6 sec

Page Rendered

861 ms

invia.cz screenshot

About Website

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

Jednoduchá online nebo telefonická objednávka. Dovolená 2024. Nejširší nabídka letních i zimních zájezdů na jednom místě.

Visit invia.cz

Key Findings

We analyzed Invia.cz page load time and found that the first response time was 317 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

invia.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value1,800 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.523

15/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

invia.cz

317 ms

www.invia.cz

768 ms

gtm.js

107 ms

split-10.23.1.min.js

32 ms

bundle.min.js

25 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 29% of them (16 requests) were addressed to the original Invia.cz, 46% (26 requests) were made to Dcontent.inviacdn.net and 16% (9 requests) were made to Scontent.inviacdn.net. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source Dcontent.inviacdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.3 kB (14%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Invia.cz main page is 1.5 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 949.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 203.1 kB

  • Original 231.3 kB
  • After minification 206.4 kB
  • After compression 28.2 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 24.9 kB, which is 11% 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 203.1 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 949.3 kB
  • After minification 949.3 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. Invia images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 9.2 kB

  • Original 258.1 kB
  • After minification 258.1 kB
  • After compression 248.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 108.4 kB
  • After minification 108.4 kB
  • After compression 108.4 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. Invia.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

51

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Invia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

invia.cz

invia.cz

317 ms

www.invia.cz

www.invia.cz

768 ms

gtm.js

gtm.js

107 ms

split-10.23.1.min.js

split-10.23.1.min.js

32 ms

bundle.min.js

bundle.min.js

25 ms

style-mobile.75622b73.css

style-mobile.75622b73.css

839 ms

cz.js

cz.js

169 ms

frontend-translations.js

frontend-translations.js

279 ms

hp.740bdaff43018b7f6b60.js

hp.740bdaff43018b7f6b60.js

1020 ms

hp.045ffffc998f01780c92.js

hp.045ffffc998f01780c92.js

401 ms

style-tablet.83f858e6.css

style-tablet.83f858e6.css

586 ms

1975481.jpg

1975481.jpg

1239 ms

icons-svg.svg

icons-svg.svg

1060 ms

alexandria.svg

alexandria.svg

453 ms

canaria-travel.svg

canaria-travel.svg

349 ms

fti.svg

fti.svg

408 ms

blue-style.svg

blue-style.svg

455 ms

cedok.svg

cedok.svg

456 ms

der-touristik.svg

der-touristik.svg

514 ms

brenna.svg

brenna.svg

565 ms

eti.svg

eti.svg

585 ms

tui.svg

tui.svg

587 ms

main-hp-primary.jpg

main-hp-primary.jpg

670 ms

guarantee-icon-cz.svg

guarantee-icon-cz.svg

773 ms

1977536.jpg

1977536.jpg

1229 ms

1981145.jpg

1981145.jpg

1750 ms

1975483.jpg

1975483.jpg

1651 ms

1946529.jpg

1946529.jpg

1750 ms

26496006.jpg

26496006.jpg

1275 ms

35820034.jpg

35820034.jpg

1525 ms

21649867.jpg

21649867.jpg

1444 ms

31467307.jpg

31467307.jpg

1940 ms

29757117.jpg

29757117.jpg

1630 ms

41120805.jpg

41120805.jpg

1749 ms

29943790.jpg

29943790.jpg

1749 ms

24282233.jpg

24282233.jpg

1883 ms

1875407.jpg

1875407.jpg

2155 ms

1650384.jpg

1650384.jpg

2052 ms

1805831.jpg

1805831.jpg

2155 ms

1817375.jpg

1817375.jpg

2052 ms

1800551.jpg

1800551.jpg

2363 ms

alltours-logo.svg

alltours-logo.svg

5384 ms

anex-tour-logo.svg

anex-tour-logo.svg

2262 ms

coraltravel-footer.svg

coraltravel-footer.svg

3756 ms

itaka-footer.svg

itaka-footer.svg

4190 ms

lmx-footer.svg

lmx-footer.svg

2527 ms

orex-travel-footer.svg

orex-travel-footer.svg

3766 ms

schauinsland-reisen-footer.svg

schauinsland-reisen-footer.svg

2617 ms

vtours-footer.svg

vtours-footer.svg

3129 ms

uc.js

uc.js

97 ms

css2

css2

39 ms

style-hover.ef03a541.css

style-hover.ef03a541.css

120 ms

roboto-regular.woff

roboto-regular.woff

317 ms

roboto-medium.woff

roboto-medium.woff

441 ms

roboto-bold.woff

roboto-bold.woff

221 ms

print.c8a04d36.css

print.c8a04d36.css

319 ms

Accessibility Review

invia.cz accessibility score

90

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

invia.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

invia.cz SEO score

92

Search Engine Optimization Advices

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

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 Invia.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 Invia.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

invia.cz

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