Tools & Wizards About Us
zwerfkat.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

zwerfkat.com

Welkom - VZW Zwerfkat in Nood II

Page Load Speed

2.7 sec in total

First Response

577 ms

Resources Loaded

2 sec

Page Rendered

197 ms

zwerfkat.com screenshot

About Website

Visit zwerfkat.com now to see the best up-to-date Zwerfkat content for Belgium and also check out these interesting facts you probably never knew about zwerfkat.com

Non-profit vereniging in Belgisch Limburg die jonge / aangereden zwerfkatten opvangt in tijdelijke opvanggezinnen, om van daaruit goede tehuizen te vinden voor hen.

Visit zwerfkat.com

Key Findings

We analyzed Zwerfkat.com page load time and found that the first response time was 577 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zwerfkat.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

43/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

zwerfkat.com

577 ms

style.css

354 ms

logo-top.jpg

267 ms

black.gif

181 ms

sidebar1.jpg

184 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 51% of them (41 requests) were addressed to the original Zwerfkat.com, 10% (8 requests) were made to Apis.google.com and 6% (5 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (732 ms) belongs to the original domain Zwerfkat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.2 kB (40%)

Content Size

963.7 kB

After Optimization

581.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zwerfkat.com main page is 963.7 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. 50% of websites need less resources to load. Javascripts take 441.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 68.7 kB

  • Original 95.9 kB
  • After minification 92.9 kB
  • After compression 27.2 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 68.7 kB or 72% of the original size.

Image Optimization

-8%

Potential reduce by 31.8 kB

  • Original 414.9 kB
  • After minification 383.1 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. Zwerfkat images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 272.6 kB

  • Original 441.9 kB
  • After minification 440.4 kB
  • After compression 169.3 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 272.6 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 9.1 kB

  • Original 10.9 kB
  • After minification 7.4 kB
  • After compression 1.8 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. Zwerfkat.com needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (46%)

Requests Now

79

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zwerfkat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zwerfkat.com

zwerfkat.com

577 ms

style.css

style.css

354 ms

logo-top.jpg

logo-top.jpg

267 ms

black.gif

black.gif

181 ms

sidebar1.jpg

sidebar1.jpg

184 ms

sidebar0.jpg

sidebar0.jpg

184 ms

sidebar1.jpg

sidebar1.jpg

272 ms

sidebar4.jpg

sidebar4.jpg

276 ms

sidebar2.jpg

sidebar2.jpg

275 ms

sidebar3.jpg

sidebar3.jpg

392 ms

sidebar1.jpg

sidebar1.jpg

391 ms

sidebar4.jpg

sidebar4.jpg

394 ms

sidebar4.jpg

sidebar4.jpg

313 ms

sidebar1.jpg

sidebar1.jpg

312 ms

logo-bottom.jpg

logo-bottom.jpg

419 ms

addthis_widget.js

addthis_widget.js

12 ms

urchin.js

urchin.js

9 ms

astrack.js

astrack.js

247 ms

ga.js

ga.js

41 ms

donatiebutton.gif

donatiebutton.gif

245 ms

pixel.gif

pixel.gif

170 ms

zwerfkat-facebook.jpg

zwerfkat-facebook.jpg

401 ms

gsmdragergezocht.jpg

gsmdragergezocht.jpg

732 ms

rechtsbovenin.jpg

rechtsbovenin.jpg

286 ms

bg.jpg

bg.jpg

168 ms

paypal.gif

paypal.gif

165 ms

links-menu-schaduw-onder.jpg

links-menu-schaduw-onder.jpg

166 ms

rechts-menu-schaduw-onder.jpg

rechts-menu-schaduw-onder.jpg

240 ms

matte103mooi.jpg

matte103mooi.jpg

385 ms

morreopdebank.jpg

morreopdebank.jpg

550 ms

flomooi.jpg

flomooi.jpg

716 ms

silvasire.jpg

silvasire.jpg

546 ms

sheldonchillax.jpg

sheldonchillax.jpg

409 ms

hyves.png

hyves.png

372 ms

facebook.png

facebook.png

465 ms

twitter.png

twitter.png

465 ms

youtube.png

youtube.png

487 ms

anbi.gif

anbi.gif

563 ms

provincie_limburg.gif

provincie_limburg.gif

564 ms

all.js

all.js

151 ms

links-menu-schaduw-boven.jpg

links-menu-schaduw-boven.jpg

558 ms

links-menu-schaduw-rechts.jpg

links-menu-schaduw-rechts.jpg

614 ms

pxl.gif

pxl.gif

616 ms

arrow.gif

arrow.gif

628 ms

submenu-bg.png

submenu-bg.png

626 ms

__utm.gif

__utm.gif

43 ms

rechts-menu-schaduw-boven.jpg

rechts-menu-schaduw-boven.jpg

542 ms

rechts-menu-schaduw-rechts.jpg

rechts-menu-schaduw-rechts.jpg

597 ms

__utm.gif

__utm.gif

34 ms

300lo.json

300lo.json

86 ms

floating-css.43dfaad4c1b62b2ec5cb.js

floating-css.43dfaad4c1b62b2ec5cb.js

19 ms

all.js&version=v2.0

all.js&version=v2.0

256 ms

widgets.js

widgets.js

199 ms

plusone.js

plusone.js

97 ms

counter.5524cceca805eb4b9b2b.js

counter.5524cceca805eb4b9b2b.js

13 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

69 ms

shares.json

shares.json

79 ms

468x60_zooplus_nl_katten.jpg

468x60_zooplus_nl_katten.jpg

515 ms

227 ms

315 ms

xd_arbiter.php

xd_arbiter.php

70 ms

xd_arbiter.php

xd_arbiter.php

166 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

54 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

51 ms

fastbutton

fastbutton

103 ms

postmessageRelay

postmessageRelay

73 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

141 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

14 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

58 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

38 ms

rpc:shindig_random.js

rpc:shindig_random.js

35 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

5 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

43 ms

jot

jot

85 ms

ping

ping

107 ms

like.php

like.php

122 ms

follow.php

follow.php

136 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

136 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

147 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

111 ms

Accessibility Review

zwerfkat.com accessibility score

77

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.

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

Image elements do not have [alt] attributes

Best Practices

zwerfkat.com best practices score

58

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zwerfkat.com SEO score

62

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

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zwerfkat.com can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zwerfkat.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

zwerfkat.com

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