Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

enersan.pl

ENERSAN Instalacje Sanitarne Łódź

Page Load Speed

1.6 sec in total

First Response

419 ms

Resources Loaded

1.1 sec

Page Rendered

86 ms

About Website

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

Kompleksowe wykonawstwo nowoczesnych i niezawodnych systemów grzewczych, wentylacyjnych, wodno-kanalizacyjnych, oraz instalacji solarnych dla budownictwa jednorodzinnego.

Visit enersan.pl

Key Findings

We analyzed Enersan.pl page load time and found that the first response time was 419 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

enersan.pl performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

95/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

enersan.pl

419 ms

style.css

117 ms

jquery-1.7.2.min.js

396 ms

lightbox.js

242 ms

lightbox.css

242 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Enersan.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (419 ms) belongs to the original domain Enersan.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.1 kB (11%)

Content Size

95.7 kB

After Optimization

85.6 kB

In fact, the total size of Enersan.pl main page is 95.7 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. Only 10% of websites need less resources to load. Images take 49.7 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 1.7 kB

  • Original 3.2 kB
  • After minification 3.1 kB
  • After compression 1.5 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 1.7 kB or 53% of the original size.

Image Optimization

-7%

Potential reduce by 3.2 kB

  • Original 49.7 kB
  • After minification 46.5 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. ENERSAN images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 4.2 kB

  • Original 39.9 kB
  • After minification 39.9 kB
  • After compression 35.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.2 kB or 11% of the original size.

CSS Optimization

-32%

Potential reduce by 884 B

  • Original 2.8 kB
  • After minification 2.8 kB
  • After compression 1.9 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. Enersan.pl needs all CSS files to be minified and compressed as it can save up to 884 B or 32% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ENERSAN. According to our analytics all requests are already optimized.

Accessibility Review

enersan.pl accessibility score

93

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

enersan.pl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

enersan.pl SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Enersan.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it does not match the claimed English language. Our system also found out that Enersan.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

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