Access slantour.cz. SLANtour | Poznávací zájezdy, lázně, dovolená u moře a sportovní zájezdy

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

slantour.cz

393 ms

slantour.cz

536 ms

layout1_setup.css

187 ms

layout1_text.css

283 ms

jquery-ui-1.8.18.custom.css

287 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 91% of them (95 requests) were addressed to the original Slantour.cz, 3% (3 requests) were made to Connect.facebook.net and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Slantour.cz.

Content Size

1.2 MB

After Optimization

981.0 kB

In fact, the total size of Slantour.cz main page is 1.2 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. 55% of websites need less resources to load. Images take 770.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 177.0 kB

Original 210.0 kB
After minification 162.5 kB
After compression 33.0 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 47.5 kB, which is 23% 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 177.0 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 21.6 kB

Original 770.9 kB
After minification 749.3 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. SLANtour images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

Original 191.0 kB
After minification 191.0 kB
After compression 188.3 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

-27%

Potential reduce by 3.9 kB

Original 14.3 kB
After minification 14.3 kB
After compression 10.4 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. Slantour.cz needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 27% of the original size.

Requests Now

101

After Optimization

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SLANtour. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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.

High

Form elements do not have associated labels

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Language and Encoding

Language Detected

N/A
Language Claimed

EN
Encoding

WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slantour.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Slantour.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

slantour.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

SLANtour | Poznávací zájezdy, lázně, dovolená u moře a sportovní zájezdy

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

slantour.cz

slantour.cz

layout1_setup.css

layout1_text.css

jquery-ui-1.8.18.custom.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

slantour.cz

slantour.cz

layout1_setup.css

layout1_text.css

jquery-ui-1.8.18.custom.css

hide_show_div.js

storeTrace.js

jquery-1.7.1.min.js

jquery-ui-1.8.18.custom.min.js

storeTrace1.js

storeFunctions1.js

ratingHandlers.js

xmlhttp_routines.js

fbevents.js

bg_image.jpg

16393-misenporcelan.jpg

bg_head_top.jpg

slantour_logo.png

kontakty.png

bg_head_breadcrumbs.jpg

bg_head_bottom_nav.jpg

bg_head_bottom_nav_hover.gif

bg_main_withoutnav.jpg

headerBlue.gif

9857-chorvatsko---plaz.jpg

4964-taj-mahal.jpg

264-marianske-lazne-02.jpg

842-liverpool-fans.jpg

13736-cesky-krumlov.jpg

2433-strbske-pleso---vysoke-tatry.jpg

5598-sanur-beach.jpg

11114-eurovikendy.jpg

14615-fly-and-drive.jpg

cesty-za-umenim.png

madarsko.png

italie.png

nemecko.png

skotsko.png

ceska-republika.png

holandsko.png

francie.png

spanelsko.png

polsko.png