3.1 sec in total
277 ms
2.4 sec
380 ms
Welcome to regionaalarchiefalkmaar.nl homepage info - get ready to check Regionaal Archief Alkmaar best content for Netherlands right away, or after learning these important things about regionaalarchiefalkmaar.nl
Regionaal Archief te Alkmaar, intergemeentelijk samenwerkingsverband in Noord-Kennemerland, westelijk West-Friesland en de Kop van Noord-Holland. Bewaart archieven van overheden en particulieren in di...
Visit regionaalarchiefalkmaar.nlWe analyzed Regionaalarchiefalkmaar.nl page load time and found that the first response time was 277 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
regionaalarchiefalkmaar.nl performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value10.0 s
0/100
25%
Value4.5 s
72/100
10%
Value830 ms
35/100
30%
Value0.001
100/100
15%
Value7.5 s
48/100
10%
277 ms
272 ms
504 ms
82 ms
244 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 58% of them (32 requests) were addressed to the original Regionaalarchiefalkmaar.nl, 24% (13 requests) were made to Pbs.twimg.com and 7% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (722 ms) belongs to the original domain Regionaalarchiefalkmaar.nl.
Page size can be reduced by 432.1 kB (22%)
1.9 MB
1.5 MB
In fact, the total size of Regionaalarchiefalkmaar.nl main page is 1.9 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. 45% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 22.6 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. This page needs HTML code to be minified as it can gain 5.7 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.6 kB or 79% of the original size.
Potential reduce by 39.1 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. Regionaal Archief Alkmaar images are well optimized though.
Potential reduce by 272.1 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 272.1 kB or 68% of the original size.
Potential reduce by 98.3 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. Regionaalarchiefalkmaar.nl needs all CSS files to be minified and compressed as it can save up to 98.3 kB or 89% of the original size.
Number of requests can be reduced by 16 (31%)
51
35
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Regionaal Archief Alkmaar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
regionaalarchiefalkmaar.nl
277 ms
www.regionaalarchiefalkmaar.nl
272 ms
www.regionaalarchiefalkmaar.nl
504 ms
modal.css
82 ms
template.css
244 ms
slimbox.css
257 ms
mootools-core.js
338 ms
core.js
269 ms
caption.js
271 ms
modal.js
272 ms
mootools-more.js
485 ms
raa.js
335 ms
nl_slimbox.js
360 ms
slideshow.js
361 ms
ga.js
54 ms
body_bg.jpg
173 ms
logo.png
247 ms
backgrounds.png
450 ms
arrow_down.png
94 ms
mediaspace_DHopdekaart.jpg
628 ms
mediaspace_homepage_cursussen.jpg
540 ms
mediaspace_homepage_blog.jpg
480 ms
open_data_mediaspace_homepage.jpg
571 ms
workarea_bg.jpg
438 ms
archiefnieuw3.jpg
512 ms
genealogie3.jpg
557 ms
raa%20007003806%20-%201996%20-%20gemeente%20bergen.jpg
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catalogus2.jpg
677 ms
kranten.jpg
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tijdschrijften2.jpg
650 ms
opdekaart.jpg
722 ms
widgets.js
50 ms
OfficinaSansStd-Book.woff
622 ms
__utm.gif
31 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
31 ms
syndication
96 ms
346987784139055105
140 ms
proxy.jpg
29 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
9 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
11 ms
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150 ms
Mv4fgDci_normal.jpg
172 ms
Logo-final_normal.png
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gnZ0_Hsr_normal.png
337 ms
l7Le7VLB_normal.jpg
439 ms
CdrNKqMXEAAWszp.jpg:small
301 ms
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jot
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print.css
81 ms
regionaalarchiefalkmaar.nl accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
regionaalarchiefalkmaar.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
regionaalarchiefalkmaar.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
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
Document uses legible font sizes
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Regionaalarchiefalkmaar.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 Regionaalarchiefalkmaar.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.
regionaalarchiefalkmaar.nl
Open Graph description is not detected on the main page of Regionaal Archief Alkmaar. 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: