Tools & Wizards About Us
jarzebski.pl screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

jarzebski.pl

/dev/Jarzębski - Santyago back to root

Page Load Speed

4.8 sec in total

First Response

424 ms

Resources Loaded

3.5 sec

Page Rendered

868 ms

jarzebski.pl screenshot

About Website

Click here to check amazing Jarzebski content for Poland. Otherwise, check out these important facts you probably never knew about jarzebski.pl

Blog poświęcony tematyce Linux i OpenSource. Programowanie PHP. Android.

Visit jarzebski.pl

Key Findings

We analyzed Jarzebski.pl page load time and found that the first response time was 424 ms and then it took 4.3 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

jarzebski.pl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

jarzebski.pl

424 ms

www.jarzebski.pl

597 ms

application16.css

110 ms

prettyphoto.css

219 ms

twentytwenty.css

319 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 89% of them (102 requests) were addressed to the original Jarzebski.pl, 4% (4 requests) were made to Googleads.g.doubleclick.net and 2% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (987 ms) belongs to the original domain Jarzebski.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.4 kB (9%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jarzebski.pl main page is 1.8 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 49.5 kB

  • Original 63.7 kB
  • After minification 58.2 kB
  • After compression 14.2 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 49.5 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 84.5 kB

  • Original 1.3 MB
  • After minification 1.2 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. Jarzebski images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 33.6 kB

  • Original 430.1 kB
  • After minification 430.1 kB
  • After compression 396.5 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

-8%

Potential reduce by 861 B

  • Original 10.6 kB
  • After minification 10.6 kB
  • After compression 9.7 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. Jarzebski.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (33%)

Requests Now

108

After Optimization

72

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jarzebski. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jarzebski.pl

jarzebski.pl

424 ms

www.jarzebski.pl

www.jarzebski.pl

597 ms

application16.css

application16.css

110 ms

prettyphoto.css

prettyphoto.css

219 ms

twentytwenty.css

twentytwenty.css

319 ms

jquery.min.js

jquery.min.js

24 ms

jquery-ui-1.8.23.js

jquery-ui-1.8.23.js

331 ms

jquery-slidebox.js

jquery-slidebox.js

332 ms

jquery-animate-colors.js

jquery-animate-colors.js

334 ms

jquery-background-position.js

jquery-background-position.js

338 ms

jquery-poshytip.js

jquery-poshytip.js

339 ms

jquery-pretty-photo-v2.js

jquery-pretty-photo-v2.js

423 ms

frontend.guest-1.09.js

frontend.guest-1.09.js

429 ms

prettycookies.js

prettycookies.js

428 ms

highcharts.js

highcharts.js

546 ms

adsbygoogle.js

adsbygoogle.js

177 ms

conversion.js

conversion.js

93 ms

bodyBackground.png

bodyBackground.png

159 ms

santyagoOff.png

santyagoOff.png

214 ms

santyagoOn.png

santyagoOn.png

225 ms

0.png

0.png

158 ms

andonstar-hdmi.jpg

andonstar-hdmi.jpg

212 ms

lattepanda-hand.jpg

lattepanda-hand.jpg

225 ms

saleae-sniff.jpg

saleae-sniff.jpg

217 ms

wifibulb-teardown-2.jpg

wifibulb-teardown-2.jpg

387 ms

nanopineo-power.jpg

nanopineo-power.jpg

317 ms

nanopim3-samsung.jpg

nanopim3-samsung.jpg

322 ms

teensy-35-36.jpg

teensy-35-36.jpg

325 ms

enocean-ftke-upboard-open.jpg

enocean-ftke-upboard-open.jpg

335 ms

upboardgame.jpg

upboardgame.jpg

334 ms

upboard-photo-corner.jpg

upboard-photo-corner.jpg

429 ms

youtube2.png

youtube2.png

429 ms

rss2.png

rss2.png

432 ms

facebook2.png

facebook2.png

445 ms

github2.png

github2.png

446 ms

category_2.png

category_2.png

452 ms

category_14.png

category_14.png

536 ms

category_3.png

category_3.png

533 ms

category_4.png

category_4.png

539 ms

category_7.png

category_7.png

553 ms

category_6.png

category_6.png

557 ms

category_1.png

category_1.png

559 ms

category_16.png

category_16.png

638 ms

category_9.png

category_9.png

643 ms

category_12.png

category_12.png

644 ms

category_15.png

category_15.png

664 ms

category_11.png

category_11.png

667 ms

category_5.png

category_5.png

667 ms

category_13.png

category_13.png

743 ms

piromlx.png

piromlx.png

863 ms

pylczujnik.png

pylczujnik.png

752 ms

tunerfm.png

tunerfm.png

885 ms

analytics.js

analytics.js

41 ms

gpsb.jpg

gpsb.jpg

707 ms

show_ads_impl.js

show_ads_impl.js

248 ms

collect

collect

35 ms

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

626 ms

45 ms

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

k3k702ZOKiLJc3WVjuplzBa1RVmPjeKy21_GQJaLlJI.woff

664 ms

js

js

68 ms

31 ms

xjAJXh38I15wypJXxuGMBtIh4imgI8P11RFo6YPCPC0.woff

xjAJXh38I15wypJXxuGMBtIh4imgI8P11RFo6YPCPC0.woff

657 ms

PRmiXeptR36kaC0GEAetxoUt79146ZFaIJxILcpzmhI.woff

PRmiXeptR36kaC0GEAetxoUt79146ZFaIJxILcpzmhI.woff

671 ms

749d3dd06c66f5522d53b751a17edb1d.png

749d3dd06c66f5522d53b751a17edb1d.png

701 ms

e1b63fe2ac0e9938b3cc23415b6f2b31.png

e1b63fe2ac0e9938b3cc23415b6f2b31.png

763 ms

9ab1c537a6aadfbc316fa5f6c8537af2.png

9ab1c537a6aadfbc316fa5f6c8537af2.png

769 ms

c8b36ae74ca55718e6c66b386c4bd401.png

c8b36ae74ca55718e6c66b386c4bd401.png

685 ms

c60b9039a9372ee277ff8da8d8d24ac6.png

c60b9039a9372ee277ff8da8d8d24ac6.png

690 ms

1c5b7200d170208deab7c618ff211127.png

1c5b7200d170208deab7c618ff211127.png

697 ms

8edc64f7ccf0c05354d7ee3cb97f673b.png

8edc64f7ccf0c05354d7ee3cb97f673b.png

723 ms

c47ae86b271b19a366a0fba1bb090a92.png

c47ae86b271b19a366a0fba1bb090a92.png

790 ms

zrt_lookup.html

zrt_lookup.html

16 ms

ads

ads

375 ms

934f2268317a3f25a33fce3d41d7fd82.png

934f2268317a3f25a33fce3d41d7fd82.png

728 ms

ads

ads

390 ms

daf753bcf9f7b65d70e39a723a85b54f.png

daf753bcf9f7b65d70e39a723a85b54f.png

712 ms

pano02.jpg

pano02.jpg

691 ms

pano01.jpg

pano01.jpg

700 ms

foto09.jpg

foto09.jpg

722 ms

foto08.jpg

foto08.jpg

781 ms

foto07.jpg

foto07.jpg

776 ms

foto04.jpg

foto04.jpg

703 ms

foto03.jpg

foto03.jpg

705 ms

foto02.jpg

foto02.jpg

708 ms

foto01.jpg

foto01.jpg

724 ms

dsc05529.jpg

dsc05529.jpg

776 ms

apa102.jpg

apa102.jpg

776 ms

ws2813.jpg

ws2813.jpg

705 ms

adsm201.jpg

adsm201.jpg

709 ms

lattepanda-top-2.jpg

lattepanda-top-2.jpg

710 ms

lattepanda-atmega.jpg

lattepanda-atmega.jpg

726 ms

4.35.05.png

4.35.05.png

987 ms

jetsontx2.jpg

jetsontx2.jpg

771 ms

jetson-tk1.jpg

jetson-tk1.jpg

707 ms

jetsontx1-devkit.jpg

jetsontx1-devkit.jpg

708 ms

jetsontx2-devkit.jpg

jetsontx2-devkit.jpg

685 ms

ccbysa.png

ccbysa.png

717 ms

topBackground.jpg

topBackground.jpg

689 ms

menuSeparator.png

menuSeparator.png

693 ms

menuBackground.png

menuBackground.png

695 ms

userBackground.png

userBackground.png

686 ms

penguinHead.png

penguinHead.png

720 ms

penguinBackground.jpg

penguinBackground.jpg

841 ms

openPage.jpg

openPage.jpg

685 ms

searchBox.png

searchBox.png

691 ms

penguinsBody.jpg

penguinsBody.jpg

685 ms

pageBackground.jpg

pageBackground.jpg

829 ms

contentBackground.png

contentBackground.png

744 ms

h1left.png

h1left.png

720 ms

footerBackground.png

footerBackground.png

669 ms

closePage.jpg

closePage.jpg

672 ms

slidebox_previous.png

slidebox_previous.png

734 ms

slidebox_next.png

slidebox_next.png

740 ms

tip-twitter_arrows.gif

tip-twitter_arrows.gif

744 ms

Accessibility Review

jarzebski.pl accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

jarzebski.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

Page has valid source maps

SEO Factors

jarzebski.pl SEO score

67

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

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 Jarzebski.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 Jarzebski.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

jarzebski.pl

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