Tools & Wizards About Us
silverfish.nl screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

silverfish.nl

Nieuwe website laten maken | Meer website bezoekers | Silverfish Breda

Page Load Speed

5.1 sec in total

First Response

374 ms

Resources Loaded

3.7 sec

Page Rendered

1 sec

silverfish.nl screenshot

About Website

Click here to check amazing Silverfish content. Otherwise, check out these important facts you probably never knew about silverfish.nl

Een nieuwe website laten maken en meer website bezoekers? Silverfish Breda maakt websites op maat voor ieder budget! Ook voor webshops. Neem contact op!

Visit silverfish.nl

Key Findings

We analyzed Silverfish.nl page load time and found that the first response time was 374 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

silverfish.nl performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

silverfish.nl

374 ms

silverfish.nl

1429 ms

slick.css

92 ms

all.min.css

50 ms

stylesheet.css

184 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 86% of them (70 requests) were addressed to the original Silverfish.nl, 4% (3 requests) were made to Cdnjs.cloudflare.com and 4% (3 requests) were made to Cdn.trustindex.io. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Silverfish.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.9 kB (2%)

Content Size

3.7 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Silverfish.nl main page is 3.7 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. 55% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 41.0 kB

  • Original 52.4 kB
  • After minification 48.6 kB
  • After compression 11.5 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. 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 41.0 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 14.8 kB

  • Original 3.5 MB
  • After minification 3.4 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. Silverfish images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 10.1 kB

  • Original 181.3 kB
  • After minification 181.3 kB
  • After compression 171.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 5.1 kB

  • Original 37.0 kB
  • After minification 36.2 kB
  • After compression 32.0 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. Silverfish.nl needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (51%)

Requests Now

74

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Silverfish. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

silverfish.nl

silverfish.nl

374 ms

silverfish.nl

silverfish.nl

1429 ms

slick.css

slick.css

92 ms

all.min.css

all.min.css

50 ms

stylesheet.css

stylesheet.css

184 ms

bubbles.css

bubbles.css

275 ms

jquery.min.js

jquery.min.js

44 ms

slick.min.js

slick.min.js

291 ms

popup.js

popup.js

294 ms

js.js

js.js

294 ms

aos.js

aos.js

289 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

54 ms

uc.js

uc.js

45 ms

style.min.css

style.min.css

377 ms

classic-themes.min.css

classic-themes.min.css

364 ms

search-filter.min.css

search-filter.min.css

368 ms

style.css

style.css

371 ms

style.css

style.css

372 ms

jquery.min.js

jquery.min.js

463 ms

jquery-migrate.min.js

jquery-migrate.min.js

455 ms

search-filter-build.min.js

search-filter-build.min.js

554 ms

chosen.jquery.min.js

chosen.jquery.min.js

460 ms

jquery.cookie.min.js

jquery.cookie.min.js

46 ms

trustindex-google-widget.css

trustindex-google-widget.css

459 ms

core.min.js

core.min.js

461 ms

datepicker.min.js

datepicker.min.js

545 ms

navigation.js

navigation.js

551 ms

loader.js

loader.js

36 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

15 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

286 ms

gtm.js

gtm.js

138 ms

offerte.svg

offerte.svg

107 ms

offerte-hover.svg

offerte-hover.svg

106 ms

tel.svg

tel.svg

110 ms

tel-hover.svg

tel-hover.svg

110 ms

mail.svg

mail.svg

111 ms

mail-hover.svg

mail-hover.svg

108 ms

logo-wit-1.svg

logo-wit-1.svg

188 ms

menu.svg

menu.svg

191 ms

menu-blue.svg

menu-blue.svg

194 ms

menu-blue-active.svg

menu-blue-active.svg

191 ms

sf-bg-1.jpg

sf-bg-1.jpg

464 ms

grafische-vormgeving.svg

grafische-vormgeving.svg

195 ms

website-laten-maken-1.svg

website-laten-maken-1.svg

281 ms

webshop-ontwikkeling.svg

webshop-ontwikkeling.svg

280 ms

vindbaarheid-1.svg

vindbaarheid-1.svg

282 ms

ads.svg

ads.svg

283 ms

duikbril.svg

duikbril.svg

284 ms

bubbles-water.png

bubbles-water.png

463 ms

dust.jpg

dust.jpg

464 ms

telendos.jpg

telendos.jpg

922 ms

logo-27.svg

logo-27.svg

375 ms

Foto-1-Home-slide.jpg

Foto-1-Home-slide.jpg

649 ms

logo-25.svg

logo-25.svg

467 ms

020952_020953_PaddedHoodySoftshell_PaddedHoodySoftshellWomen_ss24-e1722411846316.jpg

020952_020953_PaddedHoodySoftshell_PaddedHoodySoftshellWomen_ss24-e1722411846316.jpg

736 ms

logo-20.svg

logo-20.svg

556 ms

IMG_0050.jpg

IMG_0050.jpg

926 ms

logo-18.svg

logo-18.svg

559 ms

HetCommunicatiemeisje-portretten-EVN-LR-61-e1712309906375.jpg

HetCommunicatiemeisje-portretten-EVN-LR-61-e1712309906375.jpg

650 ms

logo-evn.svg

logo-evn.svg

652 ms

grote-kerk-breda.jpg

grote-kerk-breda.jpg

839 ms

logo-61.svg

logo-61.svg

743 ms

footer-foto.jpg

footer-foto.jpg

1208 ms

logo-60.svg

logo-60.svg

828 ms

groenepluim-wit.svg

groenepluim-wit.svg

837 ms

icon.svg

icon.svg

49 ms

wekkebbm-wit.svg

wekkebbm-wit.svg

873 ms

f.svg

f.svg

50 ms

RobotoCondensed-Regular.woff

RobotoCondensed-Regular.woff

902 ms

RobotoCondensed-Light.woff

RobotoCondensed-Light.woff

854 ms

RobotoCondensed-Bold.woff

RobotoCondensed-Bold.woff

916 ms

seydlitz.svg

seydlitz.svg

907 ms

jvisser-wit.svg

jvisser-wit.svg

911 ms

Partner-RGB-300x286.png

Partner-RGB-300x286.png

937 ms

fa-brands-400.woff

fa-brands-400.woff

18 ms

leerbedrijf.svg

leerbedrijf.svg

938 ms

stichting-wildlife.svg

stichting-wildlife.svg

920 ms

betrokken-ondernemers.svg

betrokken-ondernemers.svg

922 ms

beeldmerk-wit.svg

beeldmerk-wit.svg

923 ms

AdobeStock_149935225-e1569405808528.jpeg

AdobeStock_149935225-e1569405808528.jpeg

1037 ms

bubbles.js

bubbles.js

93 ms

Accessibility Review

silverfish.nl accessibility score

83

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

<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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

silverfish.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

SEO Factors

silverfish.nl SEO score

90

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

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

silverfish.nl

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