3.5 sec in total
272 ms
2.8 sec
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Welcome to zaans-industrieel-erfgoed.nl homepage info - get ready to check Zaan Sindustrieelerfgoed best content right away, or after learning these important things about zaans-industrieel-erfgoed.nl
Monumentaal aan de Zaan
Visit zaans-industrieel-erfgoed.nlWe analyzed Zaans-industrieel-erfgoed.nl page load time and found that the first response time was 272 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
zaans-industrieel-erfgoed.nl performance score
name
value
score
weighting
Value0
0/100
10%
Value0
0/100
25%
Value0
0/100
10%
Value0
0/100
30%
Value0.006
100/100
15%
Value0
0/100
10%
272 ms
175 ms
178 ms
190 ms
174 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that all of those requests were addressed to Zaans-industrieel-erfgoed.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Zaans-industrieel-erfgoed.nl.
Page size can be reduced by 109.1 kB (11%)
986.7 kB
877.6 kB
In fact, the total size of Zaans-industrieel-erfgoed.nl main page is 986.7 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. 35% of websites need less resources to load. Images take 982.5 kB which makes up the majority of the site volume.
Potential reduce by 1.5 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 1.5 kB or 61% of the original size.
Potential reduce by 106.6 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. Obviously, Zaan Sindustrieelerfgoed needs image optimization as it can save up to 106.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 107 B
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 107 B or 44% of the original size.
Potential reduce by 854 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. Zaans-industrieel-erfgoed.nl needs all CSS files to be minified and compressed as it can save up to 854 B or 58% of the original size.
We found no issues to fix!
57
57
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zaan Sindustrieelerfgoed. According to our analytics all requests are already optimized.
zaans-industrieel-erfgoed.nl
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loaddoc.js
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left_monumentaal.html
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text_verdana_left_frame.css
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zaans-industrieel-erfgoed.nl accessibility score
zaans-industrieel-erfgoed.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
zaans-industrieel-erfgoed.nl SEO score
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zaans-industrieel-erfgoed.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 Zaans-industrieel-erfgoed.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.
zaans-industrieel-erfgoed.nl
Open Graph description is not detected on the main page of Zaan Sindustrieelerfgoed. 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: