3.3 sec in total
549 ms
2.6 sec
151 ms
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Visit opensource.openstart.nlWe analyzed Opensource.openstart.nl page load time and found that the first response time was 549 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
opensource.openstart.nl performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value15.4 s
0/100
25%
Value9.2 s
13/100
10%
Value2,150 ms
6/100
30%
Value0.137
80/100
15%
Value16.7 s
5/100
10%
549 ms
1414 ms
172 ms
327 ms
7 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 14% of them (3 requests) were addressed to the original Opensource.openstart.nl, 23% (5 requests) were made to Pagead2.googlesyndication.com and 23% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Openstart.nl.
Page size can be reduced by 29.4 kB (50%)
58.5 kB
29.1 kB
In fact, the total size of Opensource.openstart.nl main page is 58.5 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. 30% of websites need less resources to load. Javascripts take 35.9 kB which makes up the majority of the site volume.
Potential reduce by 10.5 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 10.5 kB or 78% of the original size.
Potential reduce by 19 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. Opensource Openstart images are well optimized though.
Potential reduce by 14.2 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 14.2 kB or 39% of the original size.
Potential reduce by 4.7 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. Opensource.openstart.nl needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 80% of the original size.
Number of requests can be reduced by 9 (43%)
21
12
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opensource Openstart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
opensource.openstart.nl
549 ms
style.css
1414 ms
main.js
172 ms
textcounter.js
327 ms
show_ads.js
7 ms
rotator.tradetracker.net
239 ms
ca-pub-4179910161197752.js
62 ms
zrt_lookup.html
59 ms
show_ads_impl.js
63 ms
ads
154 ms
osd.js
18 ms
ads
124 ms
ads
92 ms
m_js_controller.js
18 ms
abg.js
39 ms
favicon
50 ms
googlelogo_color_112x36dp.png
49 ms
nessie_icon_tiamat_white.png
37 ms
s
22 ms
x_button_blue2.png
14 ms
b7bf47179d10652a8855b4b8e2ea7ab4226ce0.gif
250 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
5 ms
opensource.openstart.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.
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 IDs are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
opensource.openstart.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
Detected JavaScript libraries
Page has valid source maps
opensource.openstart.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opensource.openstart.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 Opensource.openstart.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.
opensource.openstart.nl
Open Graph description is not detected on the main page of Opensource Openstart. 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: