Tools & Wizards About Us
sellbooster.pl screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

sellbooster.pl

Zarządzanie sprzedażą internetową, integracja sklepu z Allegro, Amazon, eBay w Sellasist

Page Load Speed

5.7 sec in total

First Response

938 ms

Resources Loaded

2.5 sec

Page Rendered

2.3 sec

sellbooster.pl screenshot

About Website

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

Najlepsze oprogramowanie do wielokanałowej sprzedaży na Allegro, eBay oraz na wielu innych. Posiadamy wiele różnych integracji. Sprawdź teraz!

Visit sellbooster.pl

Key Findings

We analyzed Sellbooster.pl page load time and found that the first response time was 938 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sellbooster.pl performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value5.4 s

55/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

sellasist.pl

938 ms

js

236 ms

cookieconsent.css

183 ms

cookieconsent.umd.js

186 ms

bootstrap.min.css

181 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sellbooster.pl, 10% (4 requests) were made to Unpkg.com and 10% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (938 ms) relates to the external source Sellasist.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.7 kB (27%)

Content Size

231.1 kB

After Optimization

168.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sellbooster.pl main page is 231.1 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. 60% of websites need less resources to load. Images take 84.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 52.5 kB

  • Original 65.2 kB
  • After minification 65.2 kB
  • After compression 12.7 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 52.5 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 9.6 kB

  • Original 84.9 kB
  • After minification 75.3 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. Obviously, Sellbooster needs image optimization as it can save up to 9.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 238 B

  • Original 29.4 kB
  • After minification 29.4 kB
  • After compression 29.2 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

-0%

Potential reduce by 246 B

  • Original 51.6 kB
  • After minification 51.6 kB
  • After compression 51.3 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. Sellbooster.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (48%)

Requests Now

33

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sellbooster. 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

sellasist.pl

sellasist.pl

938 ms

js

js

236 ms

cookieconsent.css

cookieconsent.css

183 ms

cookieconsent.umd.js

cookieconsent.umd.js

186 ms

bootstrap.min.css

bootstrap.min.css

181 ms

css2

css2

271 ms

swiper-bundle.min.css

swiper-bundle.min.css

271 ms

main.css

main.css

183 ms

blockeditor.min.css

blockeditor.min.css

180 ms

style.css

style.css

221 ms

api.js

api.js

274 ms

jquery.min.js

jquery.min.js

113 ms

bootstrap.min.js

bootstrap.min.js

53 ms

app.min.js

app.min.js

53 ms

pp.js

pp.js

644 ms

plugin.min.js

plugin.min.js

114 ms

swiper-bundle.min.js

swiper-bundle.min.js

101 ms

slider-1.js

slider-1.js

48 ms

logotypes-2.js

logotypes-2.js

52 ms

swiper-bundle.min.css

swiper-bundle.min.css

20 ms

swiper-bundle.min.js

swiper-bundle.min.js

227 ms

menu-arrow.svg

menu-arrow.svg

514 ms

grahp-circle.png

grahp-circle.png

631 ms

slider_background.png

slider_background.png

139 ms

googleplay.png

googleplay.png

142 ms

check_icon.svg

check_icon.svg

139 ms

question_mark.svg

question_mark.svg

509 ms

prev_arrow.png

prev_arrow.png

142 ms

next_arrow.png

next_arrow.png

142 ms

mainpage-1.svg

mainpage-1.svg

143 ms

mainpage-3.svg

mainpage-3.svg

276 ms

speed_icon.png

speed_icon.png

274 ms

integracje_100.svg

integracje_100.svg

641 ms

integracje_101.svg

integracje_101.svg

315 ms

phone_icon.png

phone_icon.png

315 ms

mainpage-testimonial.svg

mainpage-testimonial.svg

318 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Ky461EO.woff

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Ky461EO.woff

57 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kzm61EO.woff

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kzm61EO.woff

58 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxm7FEO.woff

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxm7FEO.woff

69 ms

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxf7FEO.woff

nwpBtKy2OAdR1K-IwhWudF-R9QMylBJAV3Bo8Kxf7FEO.woff

69 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

642 ms

Accessibility Review

sellbooster.pl accessibility score

80

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

sellbooster.pl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sellbooster.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 Sellbooster.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 Sellbooster.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

sellbooster.pl

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