4.8 sec in total
265 ms
4.2 sec
422 ms
Welcome to nieuwamsterdam.nl homepage info - get ready to check Nieuwamsterdam best content for Netherlands right away, or after learning these important things about nieuwamsterdam.nl
Nieuw Amsterdam is een dynamische, onafhankelijke uitgeverij gespecialiseerd in (digitale) boeken en multimedia.
Visit nieuwamsterdam.nlWe analyzed Nieuwamsterdam.nl page load time and found that the first response time was 265 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
nieuwamsterdam.nl performance score
name
value
score
weighting
Value8.2 s
0/100
10%
Value40.5 s
0/100
25%
Value16.3 s
0/100
10%
Value4,810 ms
0/100
30%
Value0.002
100/100
15%
Value19.8 s
2/100
10%
265 ms
1186 ms
217 ms
181 ms
29 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 96% of them (82 requests) were addressed to the original Nieuwamsterdam.nl, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Nieuwamsterdam.nl.
Page size can be reduced by 841.5 kB (22%)
3.8 MB
3.0 MB
In fact, the total size of Nieuwamsterdam.nl main page is 3.8 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. 65% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.
Potential reduce by 97.7 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 97.7 kB or 87% of the original size.
Potential reduce by 146.2 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. Nieuwamsterdam images are well optimized though.
Potential reduce by 372.6 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 372.6 kB or 77% of the original size.
Potential reduce by 225.1 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. Nieuwamsterdam.nl needs all CSS files to be minified and compressed as it can save up to 225.1 kB or 88% of the original size.
Number of requests can be reduced by 3 (4%)
83
80
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nieuwamsterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
nieuwamsterdam.nl
265 ms
www.nieuwamsterdam.nl
1186 ms
style.css
217 ms
style-una.css
181 ms
jquery.min.js
29 ms
una-v1.js
535 ms
CSRFGuard.js
186 ms
ga.js
10 ms
logo-placeholder.png
93 ms
social-placeholder.png
89 ms
eci-winkelmand-icoon-nieuw.png
96 ms
Solomon_AndrewDemonenvandemiddag.jpg
512 ms
verbogt-alsdewintervoorbijis.jpg
524 ms
johan_cruijff.jpg
277 ms
KookboekenSLider.jpg
512 ms
Sandberg-Leven-tot-elke-prijs.jpg
512 ms
auteur_img.png
513 ms
het-grote-zonder-pakjes-zakjes-kookboek-karin-luiten-boek-cover-9789046819494.jpg
514 ms
steinz-jet-steinz-pieter-steinz-boek-cover-9789046818107.jpg
513 ms
leven-tot-elke-prijs-kristina-sandberg-boek-cover-9789046819159.jpg
515 ms
chickslovefood-het-skinny-six-kookboek-elise-gruppen-nina-de-bruijn-boek-cover-9789046820094.jpg
516 ms
als-de-winter-voorbij-is-thomas-verbogt-boek-cover-9789046819326.jpg
516 ms
demonen-van-de-middag-andrew-solomon-boek-cover-9789046817308.jpg
516 ms
het-einde-van-het-romeinse-rijk-maarten-van-rossem-boek-cover-9789046819081.jpg
517 ms
waarom-mussen-nooit-dood-van-het-dak-vallen-friederike-de-raat-boek-cover-9789046820117.jpg
571 ms
klein-leven-hanya-yanagihara-boek-cover-9789046820315.jpg
560 ms
zonder-land-lawrence-hill-boek-cover-9789046820582.jpg
573 ms
kleur-je-rijks-jan-rothuizen-boek-cover-9789046820629.jpg
575 ms
hoe-lees-ik-lidewijde-paris-boek-cover-9789046821084.jpg
591 ms
de-romanovs-simon-sebag-montefiore-boek-cover-9789046820421.jpg
609 ms
de-misdaad-en-het-zwijgen-anna-bikont-boek-cover-9789046820391.jpg
655 ms
vuistregels-frank-van-ark-boek-cover-9789046820513.jpg
669 ms
de-pianomaker-kurt-palka-boek-cover-9789046820902.jpg
672 ms
color-your-rijksmuseum-jan-rothuizen-boek-cover-9789046820612.jpg
667 ms
faust-racer-koen-vergeer-boek-cover-9789046820469.jpg
799 ms
300-alledaagse-mysteries-eppo-koening-juliette-vasterman-boek-cover-9789046820490.jpg
796 ms
een-makkelijk-kind-mireille-geus-boek-cover-9789046820797.jpg
752 ms
foodsisters-amande-koeman-janneke-koeman-boek-cover-9789046820506.jpg
794 ms
henry-thomas-van-aalten-boek-cover-9789046820773.jpg
767 ms
Kristina-Sandberg.jpg
850 ms
Thomas-Verbogt.jpg
1118 ms
voorplat%20NA-catalogusZ2016.jpg
869 ms
gouden_ganzenveer.jpg
894 ms
__utm.gif
32 ms
CentraleSansBook.woff
900 ms
CentraleSansBold.woff
898 ms
CentraleSansXBold.woff
953 ms
robotoslab-light-webfont.woff
693 ms
robotoslab-thin-webfont.woff
530 ms
robotoslab-regular-webfont.woff
560 ms
robotoslab-bold-webfont.woff
558 ms
fontawesome-webfont.woff
693 ms
Logo_nieuwamsterdam.jpg
609 ms
Logo_wereldbibliotheek.jpg
618 ms
Logo_baslubberhuizen.jpg
638 ms
Logo_fontaine.jpg
644 ms
soc-facebook-white.png
647 ms
soc-twitter-white.png
688 ms
soc-instagram-white.png
709 ms
soc-pinterest-white.png
735 ms
logo-nwadam2.png
735 ms
maarten-van-rossem.jpg
774 ms
karin-luiten.jpg
852 ms
David-Mitchell.jpg
901 ms
Pieter-Steinz.jpg
739 ms
Maurits-de-Bruijn.jpg
741 ms
Simon-Sebag-Montefiore.jpg
825 ms
Thomas-van-Aalten.jpg
842 ms
Petra-Stienen.jpg
755 ms
Harold-Hamersma.jpg
918 ms
Hanya-Yanagihara.jpg
844 ms
Richard-Dawkins.jpg
1264 ms
Thijs-Zonneveld.jpg
848 ms
Tom-Jan-Meeus.jpg
861 ms
James-Rhodes.jpg
1418 ms
Thomas-Braun.jpg
812 ms
F-Starik.jpg
826 ms
Andrew-Solomon.jpg
836 ms
Mireille-Geus.jpg
993 ms
slide-selector.png
763 ms
Ajax-GetNewMiniBasket
140 ms
slider-right.png
101 ms
slider-left.png
99 ms
slider-verloop.png
103 ms
ajax-loader.gif
104 ms
nieuwamsterdam.nl accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
nieuwamsterdam.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
nieuwamsterdam.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nieuwamsterdam.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 Nieuwamsterdam.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.
nieuwamsterdam.nl
Open Graph description is not detected on the main page of Nieuwamsterdam. 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: