Tools & Wizards About Us
gerotop.cz screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

gerotop.cz

Projekty tepelných čerpadel země - voda / GEROtop.cz

Page Load Speed

5 sec in total

First Response

321 ms

Resources Loaded

4.5 sec

Page Rendered

207 ms

gerotop.cz screenshot

About Website

Click here to check amazing GEROtop content. Otherwise, check out these important facts you probably never knew about gerotop.cz

Společnost GEROtop je již 20 let lídr v oblasti využití zemního tepla a chladu. Naší specializací jsou tepelná čerpadla - projekce, poradenství a dodávka kompletního příslušenství.

Visit gerotop.cz

Key Findings

We analyzed Gerotop.cz page load time and found that the first response time was 321 ms and then it took 4.7 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

gerotop.cz performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

gerotop.cz

321 ms

www.gerotop.cz

488 ms

1154 ms

screen.css

436 ms

javascript.js

867 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 80% of them (39 requests) were addressed to the original Gerotop.cz, 10% (5 requests) were made to In-pocasi.cz and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Gerotop.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 193.7 kB (33%)

Content Size

584.8 kB

After Optimization

391.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gerotop.cz main page is 584.8 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. 20% of websites need less resources to load. Images take 317.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 27.4 kB

  • Original 34.1 kB
  • After minification 29.6 kB
  • After compression 6.7 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 4.6 kB, which is 13% 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 27.4 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 8.4 kB

  • Original 317.1 kB
  • After minification 308.7 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. GEROtop images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 146.2 kB

  • Original 218.0 kB
  • After minification 218.0 kB
  • After compression 71.8 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 146.2 kB or 67% of the original size.

CSS Optimization

-76%

Potential reduce by 11.8 kB

  • Original 15.5 kB
  • After minification 14.0 kB
  • After compression 3.8 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. Gerotop.cz needs all CSS files to be minified and compressed as it can save up to 11.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

46

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GEROtop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

gerotop.cz

gerotop.cz

321 ms

www.gerotop.cz

www.gerotop.cz

488 ms

1154 ms

screen.css

screen.css

436 ms

javascript.js

javascript.js

867 ms

pocasi-na-web.php

pocasi-na-web.php

246 ms

L.js

L.js

352 ms

logo.png

logo.png

411 ms

ico-map.png

ico-map.png

212 ms

ico-mail.png

ico-mail.png

223 ms

15-image-File-Ruzne_systemy_odberu_zemniho_tepla--c234xc100.jpg

15-image-File-Ruzne_systemy_odberu_zemniho_tepla--c234xc100.jpg

624 ms

16-image-File-KOM_3100_DOY_Kopie_1_1--c234xc100.jpg

16-image-File-KOM_3100_DOY_Kopie_1_1--c234xc100.jpg

547 ms

17-image-File-csm_LoWaTec_GmbH_-_Bild_2_ae74286110--c234xc100.jpg

17-image-File-csm_LoWaTec_GmbH_-_Bild_2_ae74286110--c234xc100.jpg

647 ms

18-image-File-HST_300_Pricon+_wei+c--c234xc100.jpg

18-image-File-HST_300_Pricon+_wei+c--c234xc100.jpg

681 ms

19-image-File-radialni_lis--c234xc100.jpg

19-image-File-radialni_lis--c234xc100.jpg

807 ms

20-image-File-Potrubi_RC_protect--c234xc100.jpg

20-image-File-Potrubi_RC_protect--c234xc100.jpg

977 ms

51-image-File-Aquatherm_3--c92x63.jpg

51-image-File-Aquatherm_3--c92x63.jpg

940 ms

50-image-File-Bez_nazvu--c92x63.png

50-image-File-Bez_nazvu--c92x63.png

1177 ms

41-image-File-DSC_0161--c92x63.JPG

41-image-File-DSC_0161--c92x63.JPG

1007 ms

49-image-File-penize--c92x63.jpg

49-image-File-penize--c92x63.jpg

1041 ms

48-image-File-DSC_0016--c92x63.JPG

48-image-File-DSC_0016--c92x63.JPG

1072 ms

47-image-File-imgp1755aaa--c92x63.jpg

47-image-File-imgp1755aaa--c92x63.jpg

1175 ms

46-image-File-naradi-roller--c92x63.jpg

46-image-File-naradi-roller--c92x63.jpg

1215 ms

44-image-File-Bez_nazvu--c92x63.png

44-image-File-Bez_nazvu--c92x63.png

1568 ms

10-image-File-plnici_pumpa_140_XL--c120x90.jpg

10-image-File-plnici_pumpa_140_XL--c120x90.jpg

1509 ms

1-image-File-tzb--110x50.png

1-image-File-tzb--110x50.png

1637 ms

2-image-File-logo_avtc--110x50.jpg

2-image-File-logo_avtc--110x50.jpg

1581 ms

header.jpg

header.jpg

1579 ms

ahead-bg.png

ahead-bg.png

985 ms

ico-calendar.png

ico-calendar.png

1211 ms

search.png

search.png

1269 ms

seatch-btn.png

seatch-btn.png

1334 ms

red-gradient.png

red-gradient.png

1350 ms

header-deco-big.png

header-deco-big.png

1393 ms

header-deco-small.png

header-deco-small.png

1412 ms

silver-gradient.png

silver-gradient.png

1477 ms

skorojasno.png

skorojasno.png

150 ms

polojasno.png

polojasno.png

244 ms

oblacno.png

oblacno.png

252 ms

prehanky-dest.png

prehanky-dest.png

250 ms

foot.png

foot.png

1526 ms

ga.js

ga.js

8 ms

__utm.gif

__utm.gif

11 ms

menu1.png

menu1.png

1507 ms

ts.js

ts.js

96 ms

tsr.js

tsr.js

29 ms

loading.gif

loading.gif

1439 ms

close.gif

close.gif

1466 ms

print.css

print.css

261 ms

Accessibility Review

gerotop.cz accessibility score

92

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

Best Practices

gerotop.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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

gerotop.cz SEO score

90

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 Gerotop.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 Gerotop.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

gerotop.cz

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