1.6 sec in total
368 ms
1.1 sec
132 ms
Welcome to jacobvanjan.nl homepage info - get ready to check Jacob Van Jan best content right away, or after learning these important things about jacobvanjan.nl
Rokerij Jacob van Jan is één van de oudste en meest bekende visrokerijen van Spakenburg en Nederland.
Visit jacobvanjan.nlWe analyzed Jacobvanjan.nl page load time and found that the first response time was 368 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
jacobvanjan.nl performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value11.1 s
0/100
25%
Value6.5 s
38/100
10%
Value150 ms
95/100
30%
Value0.054
98/100
15%
Value13.7 s
11/100
10%
368 ms
305 ms
92 ms
178 ms
180 ms
Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Jacobvanjan.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (368 ms) belongs to the original domain Jacobvanjan.nl.
Page size can be reduced by 11.6 kB (63%)
18.3 kB
6.7 kB
In fact, the total size of Jacobvanjan.nl main page is 18.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 10.1 kB which makes up the majority of the site volume.
Potential reduce by 2.8 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 2.8 kB or 69% of the original size.
Potential reduce by 719 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. Obviously, Jacob Van Jan needs image optimization as it can save up to 719 B or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 8.1 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. Jacobvanjan.nl needs all CSS files to be minified and compressed as it can save up to 8.1 kB or 80% of the original size.
We found no issues to fix!
7
7
The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jacob Van Jan. According to our analytics all requests are already optimized.
jacobvanjan.nl
368 ms
winxp.blue.css
305 ms
top_bg.jpg
92 ms
top_body_bg.jpg
178 ms
logo.gif
180 ms
pb_plesk.gif
182 ms
pb_virt.gif
181 ms
banner.gif
350 ms
dBox-header-left.gif
171 ms
dBox-header-right.gif
251 ms
dBox-footer-bg.gif
252 ms
btn_refresh-list_bg.gif
253 ms
jacobvanjan.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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
jacobvanjan.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
jacobvanjan.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
Tap targets are not sized appropriately
NL
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jacobvanjan.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 Jacobvanjan.nl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
jacobvanjan.nl
Open Graph description is not detected on the main page of Jacob Van Jan. 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: