3 sec in total
751 ms
2.1 sec
124 ms
Welcome to javascript.openstart.nl homepage info - get ready to check Javascript Openstart best content for Netherlands right away, or after learning these important things about javascript.openstart.nl
Complete overzichtelijke startpagina. Handig voor dagelijks gebruik met genoeg tips en handige websites over Javascript. Ontdek het direct.
Visit javascript.openstart.nlWe analyzed Javascript.openstart.nl page load time and found that the first response time was 751 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
javascript.openstart.nl performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value17.2 s
0/100
25%
Value11.6 s
4/100
10%
Value850 ms
34/100
30%
Value0.526
14/100
15%
Value16.1 s
6/100
10%
751 ms
753 ms
165 ms
789 ms
6 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 14% of them (3 requests) were addressed to the original Javascript.openstart.nl, 24% (5 requests) were made to Pagead2.googlesyndication.com and 24% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (789 ms) belongs to the original domain Javascript.openstart.nl.
Page size can be reduced by 27.0 kB (49%)
55.2 kB
28.2 kB
In fact, the total size of Javascript.openstart.nl main page is 55.2 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. 25% of websites need less resources to load. Javascripts take 35.9 kB which makes up the majority of the site volume.
Potential reduce by 8.1 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 8.1 kB or 77% of the original size.
Potential reduce by 32 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. Javascript 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. Javascript.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 (45%)
20
11
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Javascript 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.
javascript.openstart.nl
751 ms
style.css
753 ms
main.js
165 ms
textcounter.js
789 ms
show_ads.js
6 ms
rotator.tradetracker.net
252 ms
ca-pub-4179910161197752.js
31 ms
zrt_lookup.html
36 ms
show_ads_impl.js
59 ms
ads
240 ms
osd.js
26 ms
ads
129 ms
ads
115 ms
m_js_controller.js
25 ms
abg.js
45 ms
googlelogo_color_112x36dp.png
62 ms
nessie_icon_thin_arrow_big_white.png
49 ms
s
37 ms
x_button_blue2.png
19 ms
9a58834da2cbbc49af34c77859ec9ebd4ec528.gif
230 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
12 ms
javascript.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.
javascript.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
javascript.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 Javascript.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 Javascript.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.
javascript.openstart.nl
Open Graph description is not detected on the main page of Javascript 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: