Tools & Wizards About Us
jaki-kod.pl screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

jaki-kod.pl

Wyszukiwarka kodów pocztowych - kod pocztowy którego szukasz

Page Load Speed

6.2 sec in total

First Response

956 ms

Resources Loaded

5 sec

Page Rendered

240 ms

jaki-kod.pl screenshot

About Website

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

Kod pocztowy inaczej Pocztowy Numer Adresowy (PNA) w Polsce ma format dd-ddd (d to cyfra), umieszcza się je z lewej strony miejscowości.

Visit jaki-kod.pl

Key Findings

We analyzed Jaki-kod.pl page load time and found that the first response time was 956 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jaki-kod.pl performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

jaki-kod.pl

956 ms

cloudflare.min.js

11 ms

bundle.css

34 ms

styles.css

48 ms

gglcptch.css

6 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 40% of them (19 requests) were addressed to the original Jaki-kod.pl, 10% (5 requests) were made to Pagead2.googlesyndication.com and 10% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (956 ms) belongs to the original domain Jaki-kod.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 556.2 kB (77%)

Content Size

719.6 kB

After Optimization

163.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jaki-kod.pl main page is 719.6 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. CSS take 458.1 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 52.0 kB

  • Original 74.8 kB
  • After minification 74.7 kB
  • After compression 22.8 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 52.0 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 32 B

  • Original 2.7 kB
  • After minification 2.7 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. Jaki Kod images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 124.8 kB

  • Original 183.9 kB
  • After minification 183.7 kB
  • After compression 59.1 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 124.8 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 379.4 kB

  • Original 458.1 kB
  • After minification 451.2 kB
  • After compression 78.7 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. Jaki-kod.pl needs all CSS files to be minified and compressed as it can save up to 379.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (74%)

Requests Now

42

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jaki Kod. 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 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jaki-kod.pl

jaki-kod.pl

956 ms

cloudflare.min.js

cloudflare.min.js

11 ms

bundle.css

bundle.css

34 ms

styles.css

styles.css

48 ms

gglcptch.css

gglcptch.css

6 ms

jquery-ui-1.10.2.custom.min.css

jquery-ui-1.10.2.custom.min.css

8 ms

jquery-ui.default.min.css

jquery-ui.default.min.css

44 ms

style.css

style.css

43 ms

styles.f6413c85.min.css

styles.f6413c85.min.css

41 ms

style.css

style.css

45 ms

wpp.css

wpp.css

43 ms

jetpack.css

jetpack.css

45 ms

wp-paginate.css

wp-paginate.css

43 ms

rocket.js

rocket.js

17 ms

css

css

69 ms

font-awesome.min.css

font-awesome.min.css

29 ms

bag2

bag2

552 ms

bag2

bag2

492 ms

jaki-kod.pl

jaki-kod.pl

156 ms

IczWvq5y_Cwwv_rBjOtT0w.woff

IczWvq5y_Cwwv_rBjOtT0w.woff

20 ms

JbtMzqLaYbbbCL9X6EvaIxsxEYwM7FgeyaSgU71cLG0.woff

JbtMzqLaYbbbCL9X6EvaIxsxEYwM7FgeyaSgU71cLG0.woff

27 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

4 ms

jaki-kod.pl

jaki-kod.pl

897 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

234 ms

gtm.js

gtm.js

148 ms

ca-pub-6266599726127823.js

ca-pub-6266599726127823.js

131 ms

zrt_lookup.html

zrt_lookup.html

328 ms

show_ads_impl.js

show_ads_impl.js

266 ms

g.gif

g.gif

99 ms

hovercard.css

hovercard.css

213 ms

services.css

services.css

219 ms

analytics.js

analytics.js

69 ms

ads

ads

228 ms

osd.js

osd.js

53 ms

collect

collect

8 ms

collect

collect

53 ms

collect

collect

17 ms

collect

collect

59 ms

m_js_controller.js

m_js_controller.js

25 ms

abg.js

abg.js

43 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

25 ms

imgad

imgad

21 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

22 ms

s

s

13 ms

x_button_blue2.svg

x_button_blue2.svg

5 ms

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

MdyApZkAHG2-UELdOwjNjjFZXSz-CGj4o1JtDR7aGgs.js

3 ms

activeview

activeview

14 ms

jaki-kod.pl

jaki-kod.pl

239 ms

Accessibility Review

jaki-kod.pl accessibility score

64

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

[role]s do not have all required [aria-*] attributes

High

[aria-*] attributes do not have valid values

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

jaki-kod.pl best practices score

75

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

Page has valid source maps

SEO Factors

jaki-kod.pl SEO score

92

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 Jaki-kod.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 Jaki-kod.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

jaki-kod.pl

Open Graph data is detected on the main page of Jaki Kod. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: