Tools & Wizards About Us
enerfinplus.cz screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

enerfinplus.cz

Enerfin plus - Realizujeme tepeln? ?erpadla a fotovoltaiku

Page Load Speed

6.9 sec in total

First Response

501 ms

Resources Loaded

5.1 sec

Page Rendered

1.2 sec

enerfinplus.cz screenshot

About Website

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

Realizujeme tepeln? ?erpadla a fotovoltaiku na kl??. V z?padn?ch ?ech?ch nab?z?me produkty p?edn?ch v?robc?.

Visit enerfinplus.cz

Key Findings

We analyzed Enerfinplus.cz page load time and found that the first response time was 501 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

enerfinplus.cz performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

enerfinplus.cz

501 ms

enerfinplus.cz

399 ms

www.enerfinplus.cz

1447 ms

css2

34 ms

foundations.css

97 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 59% of them (22 requests) were addressed to the original Enerfinplus.cz, 19% (7 requests) were made to Shared.animato.cz and 14% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Enerfinplus.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.0 kB (4%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Enerfinplus.cz main page is 1.6 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 55.4 kB

  • Original 69.3 kB
  • After minification 63.2 kB
  • After compression 14.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 55.4 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.5 MB
  • After minification 1.5 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. Enerfin Plus images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 123 B

  • Original 27.9 kB
  • After minification 27.9 kB
  • After compression 27.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 543 B

  • Original 19.5 kB
  • After minification 19.5 kB
  • After compression 18.9 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. Enerfinplus.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (45%)

Requests Now

29

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Enerfin Plus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

enerfinplus.cz

enerfinplus.cz

501 ms

enerfinplus.cz

enerfinplus.cz

399 ms

www.enerfinplus.cz

www.enerfinplus.cz

1447 ms

css2

css2

34 ms

foundations.css

foundations.css

97 ms

layouts.css

layouts.css

193 ms

styles.css

styles.css

285 ms

utilities.css

utilities.css

292 ms

index.js

index.js

320 ms

ruzne.js

ruzne.js

806 ms

bundle.js

bundle.js

913 ms

jquery.cookie.js

jquery.cookie.js

818 ms

jquery.form.js

jquery.form.js

818 ms

jquery.hoverIntent.js

jquery.hoverIntent.js

818 ms

json2.js

json2.js

817 ms

functions.js

functions.js

899 ms

gtm.js

gtm.js

160 ms

logo-white.svg

logo-white.svg

187 ms

enerfin-tepelna-cerpadla-fotovoltaika.62062604.jpg

enerfin-tepelna-cerpadla-fotovoltaika.62062604.jpg

2445 ms

ic32-users.svg

ic32-users.svg

188 ms

ic32-money.svg

ic32-money.svg

189 ms

ic32-service.svg

ic32-service.svg

185 ms

ic32-save-time.svg

ic32-save-time.svg

279 ms

nahled-tepelna-cerpadla-ivt2x.1045767072.png

nahled-tepelna-cerpadla-ivt2x.1045767072.png

405 ms

stranka-40.2903993618.jpg

stranka-40.2903993618.jpg

405 ms

stranka-42.2903993618.jpg

stranka-42.2903993618.jpg

405 ms

stranka-43.2903993618.jpg

stranka-43.2903993618.jpg

431 ms

stranka-47.2903993618.jpg

stranka-47.2903993618.jpg

403 ms

stranka-49.2903993618.jpg

stranka-49.2903993618.jpg

502 ms

bg-mapa.jpg

bg-mapa.jpg

502 ms

animato-logo.svg

animato-logo.svg

501 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEooCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEooCP.ttf

27 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaooCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaooCP.ttf

69 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoooCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoooCP.ttf

79 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpYCP.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpYCP.ttf

132 ms

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfMZg.ttf

80 ms

js

js

62 ms

Accessibility Review

enerfinplus.cz accessibility score

63

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

Form elements do not have associated labels

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

enerfinplus.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

enerfinplus.cz SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Enerfinplus.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 Enerfinplus.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

enerfinplus.cz

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