Tools & Wizards About Us
krwiodawcy.org screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

krwiodawcy.org

Honorowe krwiodawstwo i krwiolecznictwo - Strona zawierająca artykuły na temat krwiodawstwa i krwiolecznictwa. Przeznaczona jest dla wszystkich honoro...

Page Load Speed

3.7 sec in total

First Response

267 ms

Resources Loaded

2.6 sec

Page Rendered

881 ms

krwiodawcy.org screenshot

About Website

Welcome to krwiodawcy.org homepage info - get ready to check Krwi Odawcy best content for Poland right away, or after learning these important things about krwiodawcy.org

Strona zawierająca artykuły na temat krwiodawstwa i krwiolecznictwa. Przeznaczona jest dla wszystkich honorowych dawców krwi.

Visit krwiodawcy.org

Key Findings

We analyzed Krwiodawcy.org page load time and found that the first response time was 267 ms and then it took 3.4 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

krwiodawcy.org performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

krwiodawcy.org

267 ms

krwiodawcy.org

734 ms

js

122 ms

style.min.css

69 ms

mediaelementplayer-legacy.min.css

74 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 69% of them (36 requests) were addressed to the original Krwiodawcy.org, 21% (11 requests) were made to C0.wp.com and 4% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Krwiodawcy.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 428.0 kB (8%)

Content Size

5.2 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Krwiodawcy.org main page is 5.2 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. 40% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 169.9 kB

  • Original 228.2 kB
  • After minification 225.8 kB
  • After compression 58.3 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 169.9 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 250.6 kB

  • Original 4.8 MB
  • After minification 4.5 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. Krwi Odawcy images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 4.5 kB

  • Original 67.3 kB
  • After minification 67.3 kB
  • After compression 62.8 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

-3%

Potential reduce by 3.0 kB

  • Original 95.6 kB
  • After minification 95.6 kB
  • After compression 92.6 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. Krwiodawcy.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (54%)

Requests Now

50

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Krwi Odawcy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

krwiodawcy.org

krwiodawcy.org

267 ms

krwiodawcy.org

krwiodawcy.org

734 ms

js

js

122 ms

style.min.css

style.min.css

69 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

74 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

75 ms

cookie-law-info-public.css

cookie-law-info-public.css

342 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

355 ms

simple-banner.css

simple-banner.css

366 ms

widget-options.css

widget-options.css

370 ms

dashicons.min.css

dashicons.min.css

76 ms

widget-areas.min.css

widget-areas.min.css

374 ms

main.min.css

main.min.css

378 ms

social-logos.min.css

social-logos.min.css

76 ms

jetpack.css

jetpack.css

75 ms

frontend-gtag.min.js

frontend-gtag.min.js

460 ms

jquery.min.js

jquery.min.js

82 ms

jquery-migrate.min.js

jquery-migrate.min.js

75 ms

cookie-law-info-public.js

cookie-law-info-public.js

489 ms

simple-banner.js

simple-banner.js

485 ms

tracker.js

tracker.js

352 ms

menu.min.js

menu.min.js

493 ms

modal.js

modal.js

493 ms

back-to-top.min.js

back-to-top.min.js

494 ms

facebook-embed.min.js

facebook-embed.min.js

2 ms

e-202430.js

e-202430.js

15 ms

hoverIntent.min.js

hoverIntent.min.js

2 ms

maxmegamenu.js

maxmegamenu.js

494 ms

sharing.min.js

sharing.min.js

2 ms

krwiodawcy_org.png

krwiodawcy_org.png

147 ms

ankieta.png

ankieta.png

279 ms

facebook.png

facebook.png

151 ms

instagram.png

instagram.png

242 ms

dawcy.jpg

dawcy.jpg

645 ms

stany-magazynowe.png

stany-magazynowe.png

470 ms

biorcy.png

biorcy.png

1098 ms

odpowiedzialnosc.jpg

odpowiedzialnosc.jpg

946 ms

program-lojalnosciowy-kazda-kropla-jest-cenna-druga-edycja.png

program-lojalnosciowy-kazda-kropla-jest-cenna-druga-edycja.png

1116 ms

decyzja-dawcy.png

decyzja-dawcy.png

1023 ms

liczba-dawcow-glowna.png

liczba-dawcow-glowna.png

756 ms

liczba-donacji-glowna.png

liczba-donacji-glowna.png

779 ms

augustow-zst.jpg

augustow-zst.jpg

1161 ms

twoja_krew.png

twoja_krew.png

905 ms

zgoda_na_zycie.png

zgoda_na_zycie.png

1029 ms

nck.png

nck.png

1080 ms

poltransplant.png

poltransplant.png

1148 ms

krew_info.png

krew_info.png

1157 ms

2023-statystyki.png

2023-statystyki.png

1201 ms

bialo-czarne-male-1.png

bialo-czarne-male-1.png

1219 ms

sdk.js

sdk.js

37 ms

sdk.js

sdk.js

4 ms

47 ms

Accessibility Review

krwiodawcy.org accessibility score

96

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.

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

krwiodawcy.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

krwiodawcy.org SEO score

92

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 Krwiodawcy.org 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 Krwiodawcy.org 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

krwiodawcy.org

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