3.2 sec in total
606 ms
2.4 sec
174 ms
Visit alkmaar.opendi.nl now to see the best up-to-date Alkmaar Opendi content for Netherlands and also check out these interesting facts you probably never knew about alkmaar.opendi.nl
Bedrijvengids Alkmaar - Opendi in Alkmaar biedt omvattende zoekmogelijkheden naar firma's en branches. Gratis firmavermeldingen!
Visit alkmaar.opendi.nlWe analyzed Alkmaar.opendi.nl page load time and found that the first response time was 606 ms and then it took 2.6 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.
alkmaar.opendi.nl performance score
name
value
score
weighting
Value1.8 s
89/100
10%
Value1.9 s
98/100
25%
Value1.8 s
100/100
10%
Value450 ms
62/100
30%
Value0
100/100
15%
Value4.3 s
85/100
10%
606 ms
34 ms
395 ms
22 ms
23 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Alkmaar.opendi.nl, 17% (8 requests) were made to Static.opendi.com and 17% (8 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (660 ms) relates to the external source Etracker.de.
Page size can be reduced by 529.2 kB (54%)
971.9 kB
442.7 kB
In fact, the total size of Alkmaar.opendi.nl main page is 971.9 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. 45% of websites need less resources to load. Javascripts take 596.7 kB which makes up the majority of the site volume.
Potential reduce by 184.3 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 184.3 kB or 78% of the original size.
Potential reduce by 2.2 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. Alkmaar Opendi images are well optimized though.
Potential reduce by 342.1 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 342.1 kB or 57% of the original size.
Potential reduce by 670 B
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. Alkmaar.opendi.nl needs all CSS files to be minified and compressed as it can save up to 670 B or 70% of the original size.
Number of requests can be reduced by 15 (42%)
36
21
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alkmaar Opendi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
606 ms
bg-texture.jpg
34 ms
e.js
395 ms
logo_small.png
22 ms
swiss_roman-webfont.woff
23 ms
swiss_bold-webfont.woff
30 ms
opendi-icons.woff
4 ms
swiss_italic-webfont.woff
8 ms
swiss_bold_italic-webfont.woff
8 ms
jquery-1.8.3.min.js
660 ms
592 ms
t.js
531 ms
analytics.js
56 ms
js
74 ms
collect
24 ms
common.js
9 ms
map.js
34 ms
util.js
31 ms
marker.js
91 ms
StaticMapService.GetMapImage
180 ms
onion.js
23 ms
openhand_8_8.cur
102 ms
ViewportInfoService.GetViewportInfo
155 ms
stats.js
82 ms
controls.js
24 ms
logo_small_blue.png
52 ms
css
188 ms
transparent.png
120 ms
google4.png
61 ms
mapcnt6.png
69 ms
tmapctrl.png
63 ms
cb_scout5.png
72 ms
tmapctrl4.png
65 ms
imgs8.png
69 ms
vt
38 ms
vt
41 ms
vt
28 ms
vt
39 ms
vt
30 ms
vt
72 ms
vt
31 ms
AuthenticationService.Authenticate
17 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
27 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
60 ms
Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff
61 ms
d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff
60 ms
alkmaar.opendi.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.
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
alkmaar.opendi.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Missing source maps for large first-party JavaScript
alkmaar.opendi.nl SEO score
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
Tap targets are not sized appropriately
NL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alkmaar.opendi.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 Alkmaar.opendi.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.
alkmaar.opendi.nl
Open Graph description is not detected on the main page of Alkmaar Opendi. 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: