Tools & Wizards About Us
kalender-365.nl screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

kalender-365.nl

Kalender 2024

Page Load Speed

3.8 sec in total

First Response

114 ms

Resources Loaded

3.4 sec

Page Rendered

278 ms

kalender-365.nl screenshot

About Website

Visit kalender-365.nl now to see the best up-to-date Kalender 365 content for Netherlands and also check out these interesting facts you probably never knew about kalender-365.nl

Kalender 2024. Overzichtelijke jaarkalender van 2024, de data worden per maand getoond inclusief weeknummers. Bekijk hier de online kalender 2024.

Visit kalender-365.nl

Key Findings

We analyzed Kalender-365.nl page load time and found that the first response time was 114 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kalender-365.nl performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.422

23/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

kalender-2024.html

114 ms

all-v2.css

116 ms

js

79 ms

adsbygoogle.js

203 ms

jquery.min.js

40 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 37% of them (21 requests) were addressed to the original Kalender-365.nl, 18% (10 requests) were made to Googleads.g.doubleclick.net and 16% (9 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (616 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.2 kB (31%)

Content Size

852.7 kB

After Optimization

590.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Kalender-365.nl main page is 852.7 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. 60% of websites need less resources to load. Javascripts take 709.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 57.5 kB

  • Original 68.7 kB
  • After minification 68.7 kB
  • After compression 11.2 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 57.5 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 496 B

  • Original 74.8 kB
  • After minification 74.3 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. Kalender 365 images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 204.2 kB

  • Original 709.2 kB
  • After minification 709.2 kB
  • After compression 505.0 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 204.2 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (50%)

Requests Now

54

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kalender 365. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

kalender-2024.html

kalender-2024.html

114 ms

all-v2.css

all-v2.css

116 ms

js

js

79 ms

adsbygoogle.js

adsbygoogle.js

203 ms

jquery.min.js

jquery.min.js

40 ms

all_scripts_v1.js

all_scripts_v1.js

323 ms

kalender-365-logo-high.png

kalender-365-logo-high.png

314 ms

arrow-right-v7.svg

arrow-right-v7.svg

223 ms

arrow-left-v6.svg

arrow-left-v6.svg

317 ms

arrow-right-v6.svg

arrow-right-v6.svg

414 ms

backfade.png

backfade.png

416 ms

93.png

93.png

417 ms

vandaag.png

vandaag.png

417 ms

download-pdf-v3.png

download-pdf-v3.png

417 ms

download-jpg-v3.png

download-jpg-v3.png

417 ms

share-calendar-v2.png

share-calendar-v2.png

502 ms

sprites.png

sprites.png

504 ms

cd-top-arrow.svg

cd-top-arrow.svg

502 ms

show_ads_impl.js

show_ads_impl.js

314 ms

hit.php

hit.php

490 ms

zrt_lookup.html

zrt_lookup.html

47 ms

ads

ads

616 ms

folder-icon.svg

folder-icon.svg

96 ms

moon-icon.svg

moon-icon.svg

97 ms

worldclock-icon.svg

worldclock-icon.svg

146 ms

month-calendar-demo.png

month-calendar-demo.png

148 ms

download-pdf-v4.png

download-pdf-v4.png

145 ms

ads

ads

442 ms

ads

ads

422 ms

ads

ads

448 ms

ads

ads

567 ms

load_preloaded_resource.js

load_preloaded_resource.js

389 ms

abg_lite.js

abg_lite.js

386 ms

s

s

31 ms

window_focus.js

window_focus.js

386 ms

qs_click_protection.js

qs_click_protection.js

173 ms

ufs_web_display.js

ufs_web_display.js

37 ms

bbcd6bf18c20baa1b2adeb195de9b551.js

bbcd6bf18c20baa1b2adeb195de9b551.js

427 ms

icon.png

icon.png

31 ms

one_click_handler_one_afma.js

one_click_handler_one_afma.js

391 ms

6535239938337564043

6535239938337564043

390 ms

reactive_library.js

reactive_library.js

451 ms

ca-pub-3341772792329674

ca-pub-3341772792329674

438 ms

css

css

110 ms

activeview

activeview

109 ms

activeview

activeview

222 ms

sodar

sodar

215 ms

wzW03wSMKGadcZM3w2SLC_Xpa1daedvy2LBHVDfiSZI.js

wzW03wSMKGadcZM3w2SLC_Xpa1daedvy2LBHVDfiSZI.js

209 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

344 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

356 ms

ads

ads

352 ms

ads

ads

454 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

171 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

167 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

175 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

173 ms

sodar2.js

sodar2.js

150 ms

Accessibility Review

kalender-365.nl accessibility score

100

Accessibility Issues

Best Practices

kalender-365.nl 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kalender-365.nl 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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kalender-365.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Kalender-365.nl 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

kalender-365.nl

Open Graph description is not detected on the main page of Kalender 365. 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: