Tools & Wizards About Us
regionaalarchiefalkmaar.nl screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

regionaalarchiefalkmaar.nl

Home - Regionaal Archief Alkmaar

Page Load Speed

2.7 sec in total

First Response

364 ms

Resources Loaded

2 sec

Page Rendered

356 ms

regionaalarchiefalkmaar.nl screenshot

About Website

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.nl

Key Findings

We analyzed Regionaalarchiefalkmaar.nl page load time and found that the first response time was 364 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

regionaalarchiefalkmaar.nl performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value670 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

regionaalarchiefalkmaar.nl

364 ms

www.regionaalarchiefalkmaar.nl

644 ms

jquery-3.7.0.min.js

25 ms

js

71 ms

css

42 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 55% of them (17 requests) were addressed to the original Regionaalarchiefalkmaar.nl, 23% (7 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (909 ms) belongs to the original domain Regionaalarchiefalkmaar.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.8 kB (5%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

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. 30% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.2 kB

  • Original 21.3 kB
  • After minification 19.1 kB
  • After compression 5.1 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 16.2 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 55.0 kB

  • Original 1.2 MB
  • After minification 1.1 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. Regionaal Archief Alkmaar images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 18.4 kB

  • Original 679.7 kB
  • After minification 679.7 kB
  • After compression 661.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 8.2 kB

  • Original 58.4 kB
  • After minification 58.4 kB
  • After compression 50.1 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 8.2 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (26%)

Requests Now

19

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

regionaalarchiefalkmaar.nl

regionaalarchiefalkmaar.nl

364 ms

www.regionaalarchiefalkmaar.nl

www.regionaalarchiefalkmaar.nl

644 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

25 ms

js

js

71 ms

css

css

42 ms

css

css

54 ms

main.css

main.css

179 ms

main.css

main.css

434 ms

main.js

main.js

909 ms

main.js

main.js

564 ms

restive.min.js

restive.min.js

387 ms

codebird.js

codebird.js

290 ms

logo-raa.svg

logo-raa.svg

250 ms

intro-SvdM-aug24.jpg

intro-SvdM-aug24.jpg

533 ms

titel-studiezaalopen.jpg

titel-studiezaalopen.jpg

550 ms

04.jpg

04.jpg

484 ms

opdekaart.jpg

opdekaart.jpg

398 ms

schilderboeck_blog.jpg

schilderboeck_blog.jpg

351 ms

banner_dijkenwaard.jpg

banner_dijkenwaard.jpg

305 ms

banner_schenken.jpg

banner_schenken.jpg

420 ms

verkoopbanner6.jpg

verkoopbanner6.jpg

543 ms

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KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYkqUcKWmT.ttf

30 ms

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYoKUcKWmT.ttf

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYoKUcKWmT.ttf

52 ms

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYdaIcKWmT.ttf

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYdaIcKWmT.ttf

76 ms

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69 ms

KFOMCniXp96ayz4E7kSn66aGLdTylUAMQXC89YmC2DPNWub2bVmUiA8.ttf

KFOMCniXp96ayz4E7kSn66aGLdTylUAMQXC89YmC2DPNWub2bVmUiA8.ttf

75 ms

KFOMCniXp96ayz4E7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmUiA8.ttf

KFOMCniXp96ayz4E7kSn66aGLdTylUAMQXC89YmC2DPNWuYjalmUiA8.ttf

76 ms

kBsadHAwcDMkFGxnYnTYyMGhBaC4UeicDAwM3EmsnAzMDg8tGFcaOwIgNDh0RIH6Ky0YNEH8HBwNEgMElUnqjOkhoF0cDAyOLQ0dyCEwCBDYy8GntYPzfuoGldyMTg8tm1hQ2BhcXAJQcKgcAAA==

kBsadHAwcDMkFGxnYnTYyMGhBaC4UeicDAwM3EmsnAzMDg8tGFcaOwIgNDh0RIH6Ky0YNEH8HBwNEgMElUnqjOkhoF0cDAyOLQ0dyCEwCBDYy8GntYPzfuoGldyMTg8tm1hQ2BhcXAJQcKgcAAA==

1 ms

EYqxmaNOzLlWtsZSScy6XTNs.ttf

EYqxmaNOzLlWtsZSScy6XTNs.ttf

74 ms

analytics.js

analytics.js

17 ms

collect

collect

12 ms

Accessibility Review

regionaalarchiefalkmaar.nl accessibility score

83

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

regionaalarchiefalkmaar.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

regionaalarchiefalkmaar.nl SEO score

91

Search Engine Optimization Advices

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

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 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.

Social Sharing Optimization

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: