Tools & Wizards About Us
spijkstaal.nl screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

spijkstaal.nl

Home | Spijkstaal

Page Load Speed

8.7 sec in total

First Response

402 ms

Resources Loaded

7.4 sec

Page Rendered

814 ms

spijkstaal.nl screenshot

About Website

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Key Findings

We analyzed Spijkstaal.nl page load time and found that the first response time was 402 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

spijkstaal.nl performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value2,970 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value52.0 s

0/100

10%

Network Requests Diagram

spijkstaal.nl

402 ms

spijkstaal.nl

422 ms

spijkstaal.com

628 ms

uc.js

21 ms

gtm.js

56 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Spijkstaal.nl, 71% (56 requests) were made to Spijkstaal.com and 6% (5 requests) were made to Pro.fontawesome.com. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source Spijkstaal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 873.7 kB (7%)

Content Size

11.8 MB

After Optimization

10.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spijkstaal.nl main page is 11.8 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. 50% of websites need less resources to load. Images take 10.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 99.6 kB

  • Original 117.1 kB
  • After minification 91.2 kB
  • After compression 17.5 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. This page needs HTML code to be minified as it can gain 25.9 kB, which is 22% 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 99.6 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 608.8 kB

  • Original 10.0 MB
  • After minification 9.4 MB

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. Spijkstaal images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 164.6 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 1.5 MB

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.

CSS Optimization

-1%

Potential reduce by 613 B

  • Original 77.2 kB
  • After minification 77.0 kB
  • After compression 76.6 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. Spijkstaal.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 39 (61%)

Requests Now

64

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spijkstaal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

spijkstaal.nl

spijkstaal.nl

402 ms

spijkstaal.nl

spijkstaal.nl

422 ms

spijkstaal.com

spijkstaal.com

628 ms

uc.js

uc.js

21 ms

gtm.js

gtm.js

56 ms

all.css

all.css

47 ms

style.min.css

style.min.css

193 ms

front-css.css

front-css.css

266 ms

new-flags.css

new-flags.css

312 ms

style.css

style.css

316 ms

pum-site-styles.css

pum-site-styles.css

319 ms

basic.min.css

basic.min.css

319 ms

theme-ie11.min.css

theme-ie11.min.css

370 ms

theme.min.css

theme.min.css

416 ms

front-js.js

front-js.js

418 ms

jquery.min.js

jquery.min.js

555 ms

jquery-migrate.min.js

jquery-migrate.min.js

425 ms

jquery.json.min.js

jquery.json.min.js

425 ms

gravityforms.min.js

gravityforms.min.js

497 ms

utils.min.js

utils.min.js

545 ms

96ecfba54f2182d8bb81ea9cebbc5b9b

96ecfba54f2182d8bb81ea9cebbc5b9b

452 ms

navigation.js

navigation.js

508 ms

app.js

app.js

1085 ms

core.min.js

core.min.js

527 ms

pum-site-scripts.js

pum-site-scripts.js

624 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

612 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

635 ms

wp-polyfill.min.js

wp-polyfill.min.js

740 ms

dom-ready.min.js

dom-ready.min.js

644 ms

hooks.min.js

hooks.min.js

717 ms

i18n.min.js

i18n.min.js

731 ms

a11y.min.js

a11y.min.js

738 ms

jquery.textareaCounter.plugin.min.js

jquery.textareaCounter.plugin.min.js

747 ms

vendor-theme.min.js

vendor-theme.min.js

832 ms

scripts-theme.min.js

scripts-theme.min.js

836 ms

jquery-3.5.1.slim.min.js

jquery-3.5.1.slim.min.js

14 ms

js

js

48 ms

style.css

style.css

565 ms

logo-spijkstaal.svg

logo-spijkstaal.svg

117 ms

DSC_5312-601x400.jpg

DSC_5312-601x400.jpg

273 ms

DSC_2070-600x400.jpg

DSC_2070-600x400.jpg

307 ms

DSC_7913-599x400.jpg

DSC_7913-599x400.jpg

286 ms

301-a.png

301-a.png

4600 ms

304-a.png

304-a.png

4770 ms

ata-605-1.png

ata-605-1.png

5090 ms

DSC_8262-601x400.jpg

DSC_8262-601x400.jpg

447 ms

pexels-min-an-1157557-scaled.jpg

pexels-min-an-1157557-scaled.jpg

928 ms

pexels-marina-hinic-730778_1.jpg

pexels-marina-hinic-730778_1.jpg

729 ms

DSC_9728.jpg

DSC_9728.jpg

2332 ms

pexels-maria-geller-2127022_1.jpg

pexels-maria-geller-2127022_1.jpg

961 ms

pexels-magda-ehlers-1300975-1-scaled.jpg

pexels-magda-ehlers-1300975-1-scaled.jpg

1078 ms

pexels-tom-fisk-1554646_1.jpg

pexels-tom-fisk-1554646_1.jpg

1114 ms

pexels-pixabay-69776_1.jpg

pexels-pixabay-69776_1.jpg

1231 ms

pexels-karolina-grabowska-4021779_1.jpg

pexels-karolina-grabowska-4021779_1.jpg

1256 ms

image-548x400.jpg

image-548x400.jpg

1337 ms

afspraak-standaard

afspraak-standaard

451 ms

GraphikWide-Regular-Web.woff

GraphikWide-Regular-Web.woff

1308 ms

GraphikWide-Light-Web.woff

GraphikWide-Light-Web.woff

1389 ms

GraphikWide-Semibold-Web.woff

GraphikWide-Semibold-Web.woff

1416 ms

GraphikWide-Bold-Web.woff

GraphikWide-Bold-Web.woff

1494 ms

fa-solid-900.woff

fa-solid-900.woff

1540 ms

fa-solid-900.woff

fa-solid-900.woff

97 ms

fa-regular-400.woff

fa-regular-400.woff

1612 ms

fa-regular-400.woff

fa-regular-400.woff

23 ms

fa-light-300.woff

fa-light-300.woff

1672 ms

fa-light-300.woff

fa-light-300.woff

106 ms

fa-brands-400.woff

fa-brands-400.woff

1722 ms

fa-brands-400.woff

fa-brands-400.woff

32 ms

nl.svg

nl.svg

43 ms

wgarrowdown.png

wgarrowdown.png

1571 ms

analytics.min.js

analytics.min.js

321 ms

public-page.c581d967ba56effc950b.js

public-page.c581d967ba56effc950b.js

73 ms

otSDKStub.js

otSDKStub.js

30 ms

c938af5b-8612-421f-8d15-740c329a09bc.json

c938af5b-8612-421f-8d15-740c329a09bc.json

18 ms

location

location

28 ms

otBannerSdk.js

otBannerSdk.js

14 ms

polyfill.min.js

polyfill.min.js

26 ms

settings

settings

290 ms

m

m

388 ms

Accessibility Review

spijkstaal.nl accessibility score

77

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

ARIA progressbar elements do not have accessible names.

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

High

Image elements do not have [alt] attributes

High

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

spijkstaal.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

spijkstaal.nl SEO score

75

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spijkstaal.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 Spijkstaal.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.

Social Sharing Optimization

spijkstaal.nl

Open Graph data is detected on the main page of Spijkstaal. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: