Tools & Wizards About Us
rotero.com.pl screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

rotero.com.pl

ROTERO Oszczędna Energia - Panele słoneczne, Fotowoltaika, Kolektory, Dotacje | Rotero

Page Load Speed

2.6 sec in total

First Response

258 ms

Resources Loaded

2.2 sec

Page Rendered

183 ms

rotero.com.pl screenshot

About Website

Visit rotero.com.pl now to see the best up-to-date ROTERO Com content and also check out these interesting facts you probably never knew about rotero.com.pl

Panele fotowoltaiczne, pompy ciepła, kolektory słoneczne, ogniwa, dotacje, dofinansowanie, ceny, montaż. Fotowoltaika i baterie słoneczne, prosument.

Visit rotero.com.pl

Key Findings

We analyzed Rotero.com.pl page load time and found that the first response time was 258 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rotero.com.pl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

rotero.com.pl

258 ms

www.rotero.com.pl

372 ms

ga.js

10 ms

fonts.css

39 ms

style.css

39 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 98% of them (84 requests) were addressed to the original Rotero.com.pl, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Rotero.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.1 kB (4%)

Content Size

708.7 kB

After Optimization

678.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rotero.com.pl main page is 708.7 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. 55% of websites need less resources to load. Images take 584.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 22.3 kB

  • Original 29.0 kB
  • After minification 26.0 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. 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 22.3 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 5.8 kB

  • Original 584.9 kB
  • After minification 579.0 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. ROTERO Com images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 324 B

  • Original 82.4 kB
  • After minification 82.4 kB
  • After compression 82.0 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

-13%

Potential reduce by 1.6 kB

  • Original 12.5 kB
  • After minification 12.5 kB
  • After compression 10.8 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. Rotero.com.pl needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (61%)

Requests Now

76

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ROTERO Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rotero.com.pl

rotero.com.pl

258 ms

www.rotero.com.pl

www.rotero.com.pl

372 ms

ga.js

ga.js

10 ms

fonts.css

fonts.css

39 ms

style.css

style.css

39 ms

mobile.css

mobile.css

49 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

42 ms

swfobject.js

swfobject.js

43 ms

jquery.js

jquery.js

37 ms

mintAjax.js

mintAjax.js

43 ms

facebox.css

facebox.css

326 ms

facebox.js

facebox.js

44 ms

jquery.validate.js

jquery.validate.js

45 ms

jquery.mousewheel-3.0.4.pack.js

jquery.mousewheel-3.0.4.pack.js

46 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

45 ms

jquery.lightbox-0.5.js

jquery.lightbox-0.5.js

64 ms

jquery.lightbox-0.5.css

jquery.lightbox-0.5.css

66 ms

scripts.js

scripts.js

65 ms

xajax_core.js

xajax_core.js

65 ms

rotero.png

rotero.png

66 ms

Rotero-fotowoltaika.jpg

Rotero-fotowoltaika.jpg

68 ms

Rotero%20-%20slider-2.jpg

Rotero%20-%20slider-2.jpg

73 ms

Rotero-pompy-ciepla.jpg

Rotero-pompy-ciepla.jpg

74 ms

Rotero%20-%20slider-4.jpg

Rotero%20-%20slider-4.jpg

86 ms

Rotero%20-%20slider-5.jpg

Rotero%20-%20slider-5.jpg

77 ms

zapytaj.png

zapytaj.png

78 ms

wyslij.png

wyslij.png

84 ms

wspolpraca1.png

wspolpraca1.png

88 ms

wspolpraca2.png

wspolpraca2.png

104 ms

wspolpraca3.png

wspolpraca3.png

92 ms

wspolpraca4.png

wspolpraca4.png

103 ms

wspolpracaprev.png

wspolpracaprev.png

102 ms

wspolpracanext.png

wspolpracanext.png

99 ms

realizacje_rotero.jpg

realizacje_rotero.jpg

103 ms

elektrownia-fotowoltaiczna-debica-1-rotero-com-pl.jpg

elektrownia-fotowoltaiczna-debica-1-rotero-com-pl.jpg

114 ms

elektrownia-fotowoltaiczna-na-gruncie-sanok-1-rotero-com-pl.jpg

elektrownia-fotowoltaiczna-na-gruncie-sanok-1-rotero-com-pl.jpg

116 ms

partner1.png

partner1.png

117 ms

partner2.png

partner2.png

115 ms

partner3.png

partner3.png

116 ms

__utm.gif

__utm.gif

30 ms

partner4.png

partner4.png

91 ms

partner7.png

partner7.png

94 ms

partner9.png

partner9.png

89 ms

Logo_SMA.jpg

Logo_SMA.jpg

318 ms

pbs-logo.jpg

pbs-logo.jpg

92 ms

IBC-SOLAR_logo.jpg

IBC-SOLAR_logo.jpg

99 ms

intelmind.png

intelmind.png

110 ms

abc.png

abc.png

107 ms

facebook.png

facebook.png

106 ms

twitter.png

twitter.png

92 ms

instagram.png

instagram.png

100 ms

pintereset.png

pintereset.png

330 ms

google.png

google.png

101 ms

youtube.png

youtube.png

104 ms

phone1.png

phone1.png

341 ms

menubg.png

menubg.png

109 ms

menuhome.png

menuhome.png

118 ms

menuroll.png

menuroll.png

344 ms

menucart.png

menucart.png

126 ms

menucarticon.png

menucarticon.png

143 ms

bgbottom.png

bgbottom.png

376 ms

contactform.png

contactform.png

242 ms

icon1.png

icon1.png

242 ms

icon2.png

icon2.png

240 ms

icon3.png

icon3.png

237 ms

icon4.png

icon4.png

252 ms

greenarrow.png

greenarrow.png

251 ms

banner1.png

banner1.png

476 ms

arrowsmall.png

arrowsmall.png

264 ms

banner2.jpg

banner2.jpg

276 ms

shadow.png

shadow.png

284 ms

textshow.png

textshow.png

287 ms

arrowbottom.png

arrowbottom.png

295 ms

point.png

point.png

299 ms

footerline.png

footerline.png

298 ms

leftlinkkalk.png

leftlinkkalk.png

298 ms

helveticaneueltcom-bd.woff

helveticaneueltcom-bd.woff

559 ms

helveticaneueltcom-roman.woff

helveticaneueltcom-roman.woff

557 ms

myriadpro-regular.woff

myriadpro-regular.woff

547 ms

myriadpro-bold.woff

myriadpro-bold.woff

557 ms

segoeui.woff

segoeui.woff

810 ms

SegoeUI-Light_gdi.woff

SegoeUI-Light_gdi.woff

824 ms

ufontscomsegoeuisemibold.woff

ufontscomsegoeuisemibold.woff

1222 ms

SegoeUI-Bold_gdi.woff

SegoeUI-Bold_gdi.woff

1115 ms

bannernavigator.png

bannernavigator.png

553 ms

print.css

print.css

17 ms

Accessibility Review

rotero.com.pl accessibility score

93

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

rotero.com.pl best practices score

58

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

SEO Factors

rotero.com.pl SEO score

85

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

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

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

rotero.com.pl

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