836 ms in total
272 ms
457 ms
107 ms
Welcome to gerarddummer.nl homepage info - get ready to check Gerard Dummer best content right away, or after learning these important things about gerarddummer.nl
De website van Gerard Dummer. Op deze website staan verhalen, opmerkingen over onderwijs en verder alles wat Gerard Dummer interesseert.
Visit gerarddummer.nlWe analyzed Gerarddummer.nl page load time and found that the first response time was 272 ms and then it took 564 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
gerarddummer.nl performance score
name
value
score
weighting
Value1.0 s
100/100
10%
Value6.6 s
8/100
25%
Value7.0 s
32/100
10%
Value1,690 ms
11/100
30%
Value0
100/100
15%
Value18.6 s
3/100
10%
272 ms
176 ms
Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Gerarddummer.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (272 ms) belongs to the original domain Gerarddummer.nl.
Page size can be reduced by 1.3 kB (65%)
2.0 kB
703 B
In fact, the total size of Gerarddummer.nl main page is 2.0 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. CSS take 1.1 kB which makes up the majority of the site volume.
Potential reduce by 428 B
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 428 B or 47% of the original size.
Potential reduce by 901 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. Gerarddummer.nl needs all CSS files to be minified and compressed as it can save up to 901 B or 80% of the original size.
We found no issues to fix!
1
1
The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gerard Dummer. According to our analytics all requests are already optimized.
gerarddummer.nl
272 ms
stylesheet_gerard.css
176 ms
gerarddummer.nl accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Form elements do not have associated labels
Links do not have a discernible name
gerarddummer.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
gerarddummer.nl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
NL
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gerarddummer.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 Gerarddummer.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.
gerarddummer.nl
Open Graph description is not detected on the main page of Gerard Dummer. 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: