2.3 sec in total
435 ms
1.7 sec
158 ms
Click here to check amazing Instruct content for Netherlands. Otherwise, check out these important facts you probably never knew about instruct.nl
Instruct is meer dan een uitgeverij. Wij zijn een betrouwbare, betrokken partner in educatie. Voor basisonderwijs, voortgezet onderwijs en mbo.
Visit instruct.nlWe analyzed Instruct.nl page load time and found that the first response time was 435 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
instruct.nl performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value17.3 s
0/100
25%
Value9.0 s
14/100
10%
Value1,040 ms
26/100
30%
Value0.019
100/100
15%
Value13.2 s
12/100
10%
435 ms
180 ms
217 ms
194 ms
25 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 63% of them (25 requests) were addressed to the original Instruct.nl, 10% (4 requests) were made to Platform.twitter.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (831 ms) belongs to the original domain Instruct.nl.
Page size can be reduced by 190.7 kB (14%)
1.4 MB
1.2 MB
In fact, the total size of Instruct.nl main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 12.2 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. This page needs HTML code to be minified as it can gain 4.5 kB, which is 29% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 12.2 kB or 78% of the original size.
Potential reduce by 132.9 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. Instruct images are well optimized though.
Potential reduce by 14.7 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 14.7 kB or 38% of the original size.
Potential reduce by 30.9 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. Instruct.nl needs all CSS files to be minified and compressed as it can save up to 30.9 kB or 85% of the original size.
Number of requests can be reduced by 27 (75%)
36
9
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Instruct. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
home
435 ms
boilerplate.css
180 ms
style.css
217 ms
notifications.css
194 ms
css
25 ms
jquery-1.8.2.min.js
5 ms
jquery.cycle2.min.js
8 ms
script.js
11 ms
jquery.cookie.js
7 ms
ga.js
46 ms
usps_bg.png
191 ms
logo.png
182 ms
search_placeholder.png
180 ms
go.png
175 ms
menu_bg.png
176 ms
96ea054ca333dc6a7940eb009726cede_142.jpg
592 ms
fe2a83168f6a05bee1427c4bef35fcc1_160.jpg
667 ms
e3bc7bb2c1bd85f66cbf40189ea530e2_145.jpg
717 ms
bca08710f9193dbbf8ab6cd78dfe790c_141.jpg
789 ms
content_bg.png
357 ms
homeheader_bg_double.png
290 ms
arrow_right.png
474 ms
button_blue.png
530 ms
homeheader_bg.png
657 ms
twitter.png
704 ms
linkedin.png
679 ms
widgets.js
25 ms
footer_bg.png
809 ms
pager.png
831 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
36 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
37 ms
__utm.gif
21 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
23 ms
collect
71 ms
syndication
80 ms
369741437530673152
108 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
2 ms
timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
5 ms
logo_instruct_tw_normal.png
187 ms
jot
23 ms
instruct.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Links do not have a discernible name
instruct.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
instruct.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Instruct.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Instruct.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.
instruct.nl
Open Graph description is not detected on the main page of Instruct. 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: