Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

sfera.pl

Pomagamy markom budować ich wartość w cyfrowym świecie

Page Load Speed

4.1 sec in total

First Response

475 ms

Resources Loaded

2.6 sec

Page Rendered

1 sec

About Website

Click here to check amazing Sfera content for Poland. Otherwise, check out these important facts you probably never knew about sfera.pl

Specjalizujemy się w budowaniu wartości marki w obszarze digital, ze szczególnym uwzględnieniem rozwiązań angażujących użytkowników do interakcji.

Visit sfera.pl

Key Findings

We analyzed Sfera.pl page load time and found that the first response time was 475 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sfera.pl performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value25.6 s

0/100

10%

TBT (Total Blocking Time)

Value5,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

sfera.pl

475 ms

bootstrap.min.css

380 ms

custom.css

231 ms

jquery.fullPage.css

155 ms

jquery.min.js

9 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 92% of them (88 requests) were addressed to the original Sfera.pl, 4% (4 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (934 ms) belongs to the original domain Sfera.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 747.9 kB (10%)

Content Size

7.1 MB

After Optimization

6.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sfera.pl main page is 7.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 26.2 kB

  • Original 32.9 kB
  • After minification 27.0 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. This page needs HTML code to be minified as it can gain 5.9 kB, which is 18% 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 26.2 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 498.0 kB

  • Original 6.8 MB
  • After minification 6.3 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. Sfera images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 106.5 kB

  • Original 161.8 kB
  • After minification 138.9 kB
  • After compression 55.3 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 106.5 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 117.2 kB

  • Original 140.8 kB
  • After minification 135.7 kB
  • After compression 23.6 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. Sfera.pl needs all CSS files to be minified and compressed as it can save up to 117.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (13%)

Requests Now

89

After Optimization

77

  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sfera. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sfera.pl accessibility score

81

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

Image elements do not have [alt] attributes

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

sfera.pl 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

sfera.pl SEO score

90

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

Image elements do not have [alt] attributes

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

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