6.2 sec in total
848 ms
5 sec
356 ms
Visit alarmcheck.nl now to see the best up-to-date Alarmcheck content and also check out these interesting facts you probably never knew about alarmcheck.nl
Bekijk alle p2000 meldingen op een interactieve kaart. De meldingen kunnen gefilterd worden op de soort dienst (brandweer, ambulance, politie) en op urgentie.
Visit alarmcheck.nlWe analyzed Alarmcheck.nl page load time and found that the first response time was 848 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.
alarmcheck.nl performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value26.3 s
0/100
25%
Value42.8 s
0/100
10%
Value70,970 ms
0/100
30%
Value0.024
100/100
15%
Value91.3 s
0/100
10%
848 ms
343 ms
515 ms
813 ms
344 ms
Our browser made a total of 229 requests to load all elements on the main page. We found that 18% of them (42 requests) were addressed to the original Alarmcheck.nl, 37% (85 requests) were made to Maps.google.com and 16% (36 requests) were made to Khm0.googleapis.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Alarmcheck.nl.
Page size can be reduced by 1.3 MB (40%)
3.3 MB
2.0 MB
In fact, the total size of Alarmcheck.nl main page is 3.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 165.8 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 165.8 kB or 79% of the original size.
Potential reduce by 227.7 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. Obviously, Alarmcheck needs image optimization as it can save up to 227.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 850.3 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 850.3 kB or 68% of the original size.
Potential reduce by 51.8 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. Alarmcheck.nl needs all CSS files to be minified and compressed as it can save up to 51.8 kB or 84% of the original size.
Number of requests can be reduced by 55 (25%)
224
169
The browser has sent 224 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alarmcheck. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
alarmcheck.nl
848 ms
style.css
343 ms
jquery-1.3.2.min.js
515 ms
jquery-ui-1.7.2.custom.min.js
813 ms
functions.js
344 ms
jquery.bgiframe.min.js
172 ms
validate.js
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jquery.autocomplete.js
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js
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googlev3.js
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slider.js
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jquery-ui.css
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jquery.autocomplete.css
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addthis_widget.js
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ga.js
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header_bg.png
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alarmcheck-logo.png
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close_button.png
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twitter_icon.png
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phone_icon.png
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email_icon.png
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rss_icon.png
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ajs.php
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__utm.gif
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show_ads.js
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lg.php
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ca-pub-7090639086632629.js
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zrt_lookup.html
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show_ads_impl.js
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mainmenu_bg.png
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drop_shadow.png
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common.js
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map.js
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nederland
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optionbar_bg.png
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left_tab.png
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middle_tab.png
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meldingen_overig_bg.png
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util.js
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stats.js
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marker.js
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tmapctrl.png
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AuthenticationService.Authenticate
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print.css
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alarmcheck.nl accessibility score
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
[aria-*] attributes do not match their roles
button, link, and menuitem elements do not have accessible names.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
alarmcheck.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
alarmcheck.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alarmcheck.nl 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 Alarmcheck.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.
alarmcheck.nl
Open Graph description is not detected on the main page of Alarmcheck. 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: