Tools & Wizards About Us
spectrumlight.pl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

spectrumlight.pl

Żarówki LED,żarówki energooszczędne, lampy ogrodowe, świetlówki - Pekar Siedlce

Page Load Speed

4.2 sec in total

First Response

961 ms

Resources Loaded

3.1 sec

Page Rendered

175 ms

spectrumlight.pl screenshot

About Website

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

Sklepu Spectrum Light oferuje szeroki asortyment świetlówek kompaktowych, żarówek energooszczędnych, lampy ogrodowych, a także innych produktów związanych z emisją światła. Wejdź i zobacz co mamy dla ...

Visit spectrumlight.pl

Key Findings

We analyzed Spectrumlight.pl page load time and found that the first response time was 961 ms and then it took 3.3 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

spectrumlight.pl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.266

46/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

spectrumlight.pl

961 ms

MTI6MzA4OjUuMjQuMjE.css

223 ms

main.269cce96f2dbf5d2886a.min.js

683 ms

pl_PL.js

430 ms

front-api-1.4.0.min.js

504 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 94% of them (17 requests) were addressed to the original Spectrumlight.pl, 6% (1 request) were made to Dcsaascdn.net. The less responsive or slowest element that took the longest time to load (961 ms) belongs to the original domain Spectrumlight.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 193.4 kB (19%)

Content Size

1.0 MB

After Optimization

849.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spectrumlight.pl main page is 1.0 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. 15% of websites need less resources to load. Images take 605.3 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 133.0 kB

  • Original 149.0 kB
  • After minification 71.7 kB
  • After compression 16.0 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 77.2 kB, which is 52% 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 133.0 kB or 89% of the original size.

Image Optimization

-10%

Potential reduce by 60.2 kB

  • Original 605.3 kB
  • After minification 545.1 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. Spectrumlight images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 176 B

  • Original 235.2 kB
  • After minification 235.2 kB
  • After compression 235.0 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

-0%

Potential reduce by 0 B

  • Original 53.0 kB
  • After minification 53.0 kB
  • After compression 53.0 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. Spectrumlight.pl has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

spectrumlight.pl

spectrumlight.pl

961 ms

MTI6MzA4OjUuMjQuMjE.css

MTI6MzA4OjUuMjQuMjE.css

223 ms

main.269cce96f2dbf5d2886a.min.js

main.269cce96f2dbf5d2886a.min.js

683 ms

pl_PL.js

pl_PL.js

430 ms

front-api-1.4.0.min.js

front-api-1.4.0.min.js

504 ms

1px.gif

1px.gif

125 ms

logo.png

logo.png

125 ms

loader.svg

loader.svg

120 ms

9e8c53bfe2a244a65872fa0fb0e62753.jpg

9e8c53bfe2a244a65872fa0fb0e62753.jpg

574 ms

67a2222043d023fa98396cf01c51cf52.jpg

67a2222043d023fa98396cf01c51cf52.jpg

465 ms

platnosci-poziom-bez-kart.png

platnosci-poziom-bez-kart.png

558 ms

logo_background.png

logo_background.png

372 ms

ico_arrow_down_small.png

ico_arrow_down_small.png

383 ms

rwd-custom.woff

rwd-custom.woff

321 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

501 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

414 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

113 ms

fontawesome-webfont.svg

fontawesome-webfont.svg

115 ms

Accessibility Review

spectrumlight.pl accessibility score

83

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.

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

spectrumlight.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

spectrumlight.pl SEO score

91

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

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 Spectrumlight.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 Spectrumlight.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

spectrumlight.pl

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