1.7 sec in total
177 ms
1.3 sec
173 ms
Visit netnummer.site now to see the best up-to-date Netnummer content and also check out these interesting facts you probably never knew about netnummer.site
Find an area code by place or a place by area code online, on netnummer.site, the website about area codes in the Netherlands
Visit netnummer.siteWe analyzed Netnummer.site page load time and found that the first response time was 177 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
netnummer.site performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value5.7 s
16/100
25%
Value6.7 s
36/100
10%
Value2,110 ms
7/100
30%
Value0.181
67/100
15%
Value12.1 s
16/100
10%
177 ms
372 ms
38 ms
188 ms
61 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 32% of them (7 requests) were addressed to the original Netnummer.site, 23% (5 requests) were made to Fonts.gstatic.com and 9% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (561 ms) belongs to the original domain Netnummer.site.
Page size can be reduced by 134.4 kB (19%)
726.3 kB
591.9 kB
In fact, the total size of Netnummer.site main page is 726.3 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. 50% of websites need less resources to load. Javascripts take 515.0 kB which makes up the majority of the site volume.
Potential reduce by 9.0 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 9.0 kB or 68% of the original size.
Potential reduce by 0 B
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. Netnummer images are well optimized though.
Potential reduce by 124.5 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 124.5 kB or 24% of the original size.
Potential reduce by 897 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. Netnummer.site has all CSS files already compressed.
Number of requests can be reduced by 6 (46%)
13
7
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Netnummer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
netnummer.site
177 ms
netnummer.site
372 ms
css
38 ms
min.css
188 ms
adsbygoogle.js
61 ms
js
169 ms
jsapi
35 ms
min.js
461 ms
netnummerkaart-nederland.jpg
561 ms
loader.js
17 ms
zrt_lookup.html
56 ms
telephone.jpg
181 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf
20 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf
29 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf
35 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf
43 ms
memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf
43 ms
fontawesome-webfont.woff
391 ms
analytics.js
21 ms
collect
13 ms
js
61 ms
show_ads_impl.js
83 ms
netnummer.site 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
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
netnummer.site 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
Page has valid source maps
netnummer.site SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a valid hreflang
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Netnummer.site can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Netnummer.site 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.
netnummer.site
Open Graph description is not detected on the main page of Netnummer. 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: