Tools & Wizards About Us
thermal.cz screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

thermal.cz

HOTEL THERMAL ****, Karlovy Vary - Hotel Resort Karlovy Vary

Page Load Speed

5.1 sec in total

First Response

300 ms

Resources Loaded

3.3 sec

Page Rendered

1.5 sec

thermal.cz screenshot

About Website

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

Check in at the Thermal Hotel, in the proximity of the spa colonnades and the historical centre of Karlovy Vary. Admire the hotel’s timeless architecture. Slow down, relax and leave the rest up to us.

Visit thermal.cz

Key Findings

We analyzed Thermal.cz page load time and found that the first response time was 300 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

thermal.cz performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

thermal.cz

300 ms

thermal.cz

483 ms

237 ms

cff229ae2919b29c733e5b2b746480f2.js

462 ms

js

83 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 86% of them (54 requests) were addressed to the original Thermal.cz, 6% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Thermal.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.7 kB (1%)

Content Size

7.6 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Thermal.cz main page is 7.6 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. 70% of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 23.9 kB

  • Original 32.5 kB
  • After minification 27.8 kB
  • After compression 8.6 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 4.7 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 23.9 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 52.5 kB

  • Original 7.5 MB
  • After minification 7.5 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. THERMAL images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 308 B

  • Original 92.1 kB
  • After minification 92.1 kB
  • After compression 91.7 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.

Requests Breakdown

Number of requests can be reduced by 24 (43%)

Requests Now

56

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of THERMAL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

thermal.cz

thermal.cz

300 ms

thermal.cz

thermal.cz

483 ms

237 ms

cff229ae2919b29c733e5b2b746480f2.js

cff229ae2919b29c733e5b2b746480f2.js

462 ms

js

js

83 ms

css2

css2

44 ms

style.min.css

style.min.css

197 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

386 ms

jquery-migrate-1.4.1.min.js

jquery-migrate-1.4.1.min.js

288 ms

main.min.js

main.min.js

288 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

294 ms

tiny-slider.js

tiny-slider.js

294 ms

aos.js

aos.js

293 ms

rellax.min.js

rellax.min.js

381 ms

p-main.min.js

p-main.min.js

382 ms

forms2.js

forms2.js

389 ms

main.min.js

main.min.js

387 ms

css2

css2

71 ms

FFFFFF.svg

FFFFFF.svg

217 ms

logotype-1.svg

logotype-1.svg

215 ms

FFFFFF.svg

FFFFFF.svg

217 ms

20240719104847.peloidy-retouch-1.png

20240719104847.peloidy-retouch-1.png

220 ms

20230419140927.pay-now-and-save_page-0001-1.jpg

20230419140927.pay-now-and-save_page-0001-1.jpg

218 ms

20231214163842.pay-now-and-save_page-0001-1--1.jpg

20231214163842.pay-now-and-save_page-0001-1--1.jpg

220 ms

intro-1b@2x.jpg

intro-1b@2x.jpg

746 ms

E3F5FD.svg

E3F5FD.svg

221 ms

intro-2@2x.jpg

intro-2@2x.jpg

382 ms

spa-1@2x.jpg

spa-1@2x.jpg

382 ms

spa-2@2x.jpg

spa-2@2x.jpg

473 ms

restaurant-b@2x.jpg

restaurant-b@2x.jpg

661 ms

20230710092353.thermal-balneo-005_tn.jpg

20230710092353.thermal-balneo-005_tn.jpg

284 ms

20240319135312.dsc01780_tn.jpg

20240319135312.dsc01780_tn.jpg

382 ms

20230721155216.shutterstock_1537174235_tn.jpg

20230721155216.shutterstock_1537174235_tn.jpg

471 ms

20230721155804.shutterstock_2039267147_tn.jpg

20230721155804.shutterstock_2039267147_tn.jpg

472 ms

kviff.jpg

kviff.jpg

659 ms

city-triathlon@2x.jpg

city-triathlon@2x.jpg

1105 ms

gallery-1.jpg

gallery-1.jpg

759 ms

gallery-2.jpg

gallery-2.jpg

753 ms

gallery-3.jpg

gallery-3.jpg

850 ms

gallery-bazen.jpg

gallery-bazen.jpg

761 ms

gallery-4.jpg

gallery-4.jpg

839 ms

gallery-5.jpg

gallery-5.jpg

1021 ms

gallery-6.jpg

gallery-6.jpg

856 ms

DBDCDD.svg

DBDCDD.svg

854 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

853 ms

FFFFFF.svg

FFFFFF.svg

940 ms

0090C9.svg

0090C9.svg

942 ms

FFFFFF.svg

FFFFFF.svg

943 ms

homepage@2x.jpg

homepage@2x.jpg

1018 ms

FFFFFF.svg

FFFFFF.svg

1020 ms

1E252C.svg

1E252C.svg

1021 ms

0090C9.svg

0090C9.svg

1023 ms

FFFFFF.svg

FFFFFF.svg

1024 ms

1E252C.svg

1E252C.svg

1041 ms

1E252C.svg

1E252C.svg

918 ms

1E252C.svg

1E252C.svg

917 ms

0090C9.svg

0090C9.svg

926 ms

FFFFFF.svg

FFFFFF.svg

933 ms

retargeting.js

retargeting.js

700 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbouRckg5-Xedu38.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbouRckg5-Xedu38.ttf

79 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbsWRckg5-Xedu38.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbsWRckg5-Xedu38.ttf

114 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbl6Wckg5-Xedu38.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbl6Wckg5-Xedu38.ttf

138 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbmyWckg5-Xedu38.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbmyWckg5-Xedu38.ttf

138 ms

Accessibility Review

thermal.cz accessibility score

82

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

thermal.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

thermal.cz SEO score

77

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

Links do not have descriptive text

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

thermal.cz

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