Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

swiatla-dzienne.pl

Swiatla-Dzienne.pl - światła do jazdy dziennej (DLR)

Page Load Speed

2.9 sec in total

First Response

383 ms

Resources Loaded

2.1 sec

Page Rendered

450 ms

swiatla-dzienne.pl screenshot

About Website

Click here to check amazing Swiatla Dzienne content for Poland. Otherwise, check out these important facts you probably never knew about swiatla-dzienne.pl

Sprawdź ofertę świateł do jazdy dziennej w największym sklepie z częściami samochodowymi w Polsce. Dowiedz się o ich zaletach, poznaj opinie innych kierowców. Zapraszamy.

Visit swiatla-dzienne.pl

Key Findings

We analyzed Swiatla-dzienne.pl page load time and found that the first response time was 383 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

swiatla-dzienne.pl performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value2,000 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

swiatla-dzienne.pl

383 ms

bootstrap.css

574 ms

font-awesome.min.css

354 ms

prettyPhoto.css

351 ms

flexslider.css

242 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 92% of them (49 requests) were addressed to the original Swiatla-dzienne.pl, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Swiatla-dzienne.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 567.0 kB (49%)

Content Size

1.2 MB

After Optimization

588.6 kB

In fact, the total size of Swiatla-dzienne.pl main page is 1.2 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. 20% of websites need less resources to load. Images take 541.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.1 kB

  • Original 41.2 kB
  • After minification 28.9 kB
  • After compression 8.1 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 12.3 kB, which is 30% 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 33.1 kB or 80% of the original size.

Image Optimization

-17%

Potential reduce by 90.7 kB

  • Original 541.5 kB
  • After minification 450.9 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, Swiatla Dzienne needs image optimization as it can save up to 90.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 220.4 kB

  • Original 315.3 kB
  • After minification 265.7 kB
  • After compression 94.9 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 220.4 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 222.9 kB

  • Original 257.6 kB
  • After minification 199.6 kB
  • After compression 34.7 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. Swiatla-dzienne.pl needs all CSS files to be minified and compressed as it can save up to 222.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (45%)

Requests Now

44

After Optimization

24

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swiatla Dzienne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

swiatla-dzienne.pl accessibility score

66

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

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

Links do not have a discernible name

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

swiatla-dzienne.pl best practices score

58

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

swiatla-dzienne.pl SEO score

90

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 Swiatla-dzienne.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 Swiatla-dzienne.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 Swiatla Dzienne. 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: