10.1 sec in total
467 ms
7.8 sec
1.9 sec
Visit alvero.nl now to see the best up-to-date Alvero content and also check out these interesting facts you probably never knew about alvero.nl
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Visit alvero.nlWe analyzed Alvero.nl page load time and found that the first response time was 467 ms and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
alvero.nl performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value4.1 s
48/100
25%
Value8.8 s
15/100
10%
Value1,390 ms
16/100
30%
Value0.239
52/100
15%
Value12.7 s
13/100
10%
467 ms
1183 ms
356 ms
429 ms
20 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 56% of them (34 requests) were addressed to the original Alvero.nl, 10% (6 requests) were made to Google-analytics.com and 7% (4 requests) were made to Fast.fonts.net. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Script.adcalls.nl.
Page size can be reduced by 65.5 kB (9%)
760.0 kB
694.4 kB
In fact, the total size of Alvero.nl main page is 760.0 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. 65% of websites need less resources to load. Images take 520.8 kB which makes up the majority of the site volume.
Potential reduce by 35.2 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. 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 35.2 kB or 72% of the original size.
Potential reduce by 18.8 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. Alvero images are well optimized though.
Potential reduce by 10.5 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. This website has mostly compressed JavaScripts.
Potential reduce by 1.0 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. Alvero.nl needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 12% of the original size.
Number of requests can be reduced by 39 (70%)
56
17
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alvero. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
alvero.nl
467 ms
nl
1183 ms
bundle.min.js
356 ms
jquery.min.js
429 ms
js__ZEbPlqtRxP4VI6WFYURtObdeatxi_QgztH_4gDxXtL4___qEMTOKlGq8u-5Ej0W6j82i-CRp3wh8_plRbsnPmUwY__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.js
20 ms
jwplayer.js
637 ms
js__GTxOiTiNTDN77Uh_Yc-32xQLscow5cyuukDb1_QdOic__mWQTlwGA76lvXGNvTYhef8T_JJlrwQOdwUe1W1Yb-_M__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.js
117 ms
js__IYvgLHYfep6kx-TzfYiQQVTLsOaSFikYbFW8UzJOYhA__5yVXmjb4czueV0zwABtidbxp-R-UEJOKjAJSqbTZ4fI__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.js
264 ms
js__ZU6Xvj8JEPsSQQi2Nhi6HV3kouiW_8Yo_X-xkMRPOxw__UKXcSHMH9GPaynLVtbQTHQfhUs__rGLnP4ZmO5HDyt8__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.js
260 ms
css__BJ6Ou6QsBRtnFTmxaakamOIS8n4QswDP2XnnZ1sxtaM__NBuvkP6eInGIkb1aJvUHx5PX79XApuxBDkk_77W5tYk__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.css
260 ms
css__80Qd8mmFBGlbTNNRlToSFm5LeI7KE2-fE1f8PUAjUxk__9rsdNq4Bu9pNrVSUWuIqGuup3RFOhd_3xpX5JSQqeXw__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.css
257 ms
css__I0-8ivVmKlY86Ixc1xTvZNvHHrSAEXxNYEsNIFGZ4xg__9n6UWi4fv0mbyhuUJnyuCmDjZbCnQ4Jh7q8nGD_75Ew__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.css
371 ms
bed4a94c-1243-4def-aad4-0726430bb909.css
626 ms
css__n8BT1R1dS9Oie8op2pkT_Y6MCCE1-kfgXst_ZX5fpfY__1H2Fap4w4ysCmLP-fkKK8hU7W-AlGQ8dwkRdjpmyXiA__0d6hyyfmvRg83YBNHXN6OPEFfgXz1NLSERhBgVc2QGI.css
370 ms
tp.widget.bootstrap.min.js
405 ms
email-decode.min.js
365 ms
gtm.js
673 ms
uitklappijltje_groen.svg
1017 ms
nl.svg
930 ms
de.svg
929 ms
be.svg
321 ms
fr.svg
321 ms
logo_alvero_nl.svg
924 ms
offerte_groot_groen.svg
974 ms
zoek_klein_groen.svg
448 ms
1920x500px_banner_opzet_6.jpg
975 ms
pijl_naar_rechts_groot_rood.svg
962 ms
bene_jms_21.09.21_stage_153_sz.jpg
1155 ms
alv201120-4100.jpg
1154 ms
schermafbeelding_2022-08-15_om_10.11.35.png
1155 ms
certificaten.svg
1112 ms
picturefill.min.js
629 ms
play_groot_wit.svg
902 ms
pijl_naar_rechts_klein_rood.svg
689 ms
939cba03-5b40-4d01-9bc5-7589eca863db.woff
334 ms
b9ebb19d-88c1-4cbd-9baf-cf51972422ec.woff
611 ms
2cac77ec-9bc0-4ee7-87e4-27650190744f.woff
675 ms
logo.png
400 ms
plus_klein_rood.svg
397 ms
facebook_klein_wit.svg
415 ms
twitter_klein_wit.svg
418 ms
linkedin_klein_wit.svg
419 ms
youtube_klein_wit.svg
421 ms
1920x500px_banner_opzet_6.jpg
2117 ms
js
211 ms
analytics.js
267 ms
hotjar-322938.js
1670 ms
uc.js
1635 ms
ping.js
1888 ms
c32f0f7e-4eba-4004-a012-cf74935d4e25.js
2479 ms
default
2029 ms
collect
576 ms
collect
760 ms
ec.js
523 ms
modules.5cffd253af12af6303c3.js
591 ms
cc.js
401 ms
box-1ada912494ba7fc7aca15fcef1c2a7ae.html
400 ms
bc-v4.min.html
661 ms
collect
114 ms
collect
97 ms
salesviewer.org
350 ms
alvero.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
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
alvero.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
alvero.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
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alvero.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 Alvero.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.
alvero.nl
Open Graph data is detected on the main page of Alvero. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: