Tools & Wizards About Us
biferno.pl screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

biferno.pl

Najlepsze włóczki, akcesoria dziewiarskie i wzory w sklepie Biferno

Page Load Speed

9.1 sec in total

First Response

1.2 sec

Resources Loaded

5.8 sec

Page Rendered

2.1 sec

biferno.pl screenshot

About Website

Welcome to biferno.pl homepage info - get ready to check Biferno best content for Poland right away, or after learning these important things about biferno.pl

Sklep internetowy z najlepszymi włóczkami i akcesoriami dziewiarskimi z całego świata. Włóczki jedwabne, bawełniane, wełniane

Visit biferno.pl

Key Findings

We analyzed Biferno.pl page load time and found that the first response time was 1.2 sec and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

biferno.pl performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value19.3 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,430 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value1.646

0/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

biferno.pl

1202 ms

css

40 ms

font-awesome.min.css

87 ms

user.css

851 ms

fastdom.min.js

224 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 67% of them (34 requests) were addressed to the original Biferno.pl, 10% (5 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Biferno.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 642.9 kB (26%)

Content Size

2.5 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biferno.pl main page is 2.5 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. 60% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 592.1 kB

  • Original 631.5 kB
  • After minification 275.6 kB
  • After compression 39.4 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 355.9 kB, which is 56% 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 592.1 kB or 94% of the original size.

Image Optimization

-2%

Potential reduce by 39.3 kB

  • Original 1.7 MB
  • After minification 1.7 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. Biferno images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 8.6 kB

  • Original 49.7 kB
  • After minification 49.7 kB
  • After compression 41.1 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 8.6 kB or 17% of the original size.

CSS Optimization

-7%

Potential reduce by 2.9 kB

  • Original 44.7 kB
  • After minification 44.7 kB
  • After compression 41.8 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. Biferno.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (40%)

Requests Now

43

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biferno. 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 as a result speed up the page load time.

Network Requests Diagram

biferno.pl

biferno.pl

1202 ms

css

css

40 ms

font-awesome.min.css

font-awesome.min.css

87 ms

user.css

user.css

851 ms

fastdom.min.js

fastdom.min.js

224 ms

main.bd4d775febf3d5e9771e.min.js

main.bd4d775febf3d5e9771e.min.js

721 ms

pl_PL.js

pl_PL.js

485 ms

user.js

user.js

616 ms

jquery.viewportchecker.js

jquery.viewportchecker.js

695 ms

front-api-1.4.0.min.js

front-api-1.4.0.min.js

246 ms

js

js

89 ms

element.js

element.js

84 ms

6b32390a-c6e7-4add-b349-94909fccbf63.js

6b32390a-c6e7-4add-b349-94909fccbf63.js

431 ms

gtm.js

gtm.js

143 ms

bialy.png

bialy.png

143 ms

bezowy.png

bezowy.png

143 ms

brazowy.png

brazowy.png

143 ms

czarny.png

czarny.png

132 ms

czerwony.png

czerwony.png

133 ms

fioletowy.png

fioletowy.png

364 ms

kolorowy.png

kolorowy.png

351 ms

niebieski.png

niebieski.png

353 ms

pomaranczowy.png

pomaranczowy.png

351 ms

rozowy.png

rozowy.png

352 ms

szary.png

szary.png

745 ms

zielony.png

zielony.png

745 ms

zolty.png

zolty.png

743 ms

1px.gif

1px.gif

741 ms

logo.png

logo.png

741 ms

banerduzy.jpg

banerduzy.jpg

745 ms

banermaly1a.jpg

banermaly1a.jpg

953 ms

banermaly2a.jpg

banermaly2a.jpg

954 ms

motka.png

motka.png

953 ms

ciezarek.png

ciezarek.png

952 ms

miarka.png

miarka.png

951 ms

144.jpg

144.jpg

2791 ms

90.jpg

90.jpg

1234 ms

ico_arrow_down_small.png

ico_arrow_down_small.png

305 ms

polish.png

polish.png

628 ms

conversion_async.js

conversion_async.js

220 ms

tlo.jpg

tlo.jpg

982 ms

tlo1.jpg

tlo1.jpg

1114 ms

blogspot.png

blogspot.png

886 ms

KFOlCnqEu92Fr1MmSU5fChc9.ttf

KFOlCnqEu92Fr1MmSU5fChc9.ttf

593 ms

KFOmCnqEu92Fr1Mu7GxP.ttf

KFOmCnqEu92Fr1Mu7GxP.ttf

814 ms

KFOlCnqEu92Fr1MmEU9fChc9.ttf

KFOlCnqEu92Fr1MmEU9fChc9.ttf

875 ms

KFOlCnqEu92Fr1MmWUlfChc9.ttf

KFOlCnqEu92Fr1MmWUlfChc9.ttf

874 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

447 ms

501 ms

0nkrC9D4IuYBgWcI9NbRTwQ.ttf

0nkrC9D4IuYBgWcI9NbRTwQ.ttf

613 ms

18 ms

Accessibility Review

biferno.pl accessibility score

64

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

biferno.pl 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

biferno.pl SEO score

93

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

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 Biferno.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 Biferno.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

biferno.pl

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