Access silverfish.nl. Nieuwe website laten maken | Meer website bezoekers

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value7,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

silverfish.nl

364 ms

silverfish.nl

1505 ms

slick.css

119 ms

all.min.css

84 ms

stylesheet.css

189 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 90% of them (75 requests) were addressed to the original Silverfish.nl, 4% (3 requests) were made to Cdnjs.cloudflare.com and 2% (2 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Silverfish.nl.

Content Size

4.3 MB

After Optimization

4.3 MB

In fact, the total size of Silverfish.nl main page is 4.3 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 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 40.8 kB

Original 52.2 kB
After minification 48.2 kB
After compression 11.4 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 40.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 14.8 kB

Original 4.1 MB
After minification 4.1 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

-11%

Potential reduce by 14.7 kB

Original 131.5 kB
After minification 131.5 kB
After compression 116.8 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 11% of the original size.

CSS Optimization

-20%

Potential reduce by 7.9 kB

Original 40.4 kB
After minification 40.1 kB
After compression 32.4 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 7.9 kB or 20% of the original size.

Requests Now

After Optimization

The browser has sent 76 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.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Nieuwe website laten maken | Meer website bezoekers | Silverfish Breda

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

silverfish.nl

silverfish.nl

slick.css

all.min.css

stylesheet.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

silverfish.nl

silverfish.nl

slick.css

all.min.css

stylesheet.css

bubbles.css

jquery.min.js

slick.min.js

popup.js

js.js

aos.js

masonry.pkgd.min.js

sbi-styles.min.css

style.min.css

search-filter.min.css

style.css

style.css

front.min.css

jquery.min.js

jquery-migrate.min.js

search-filter-build.min.js

chosen.jquery.min.js

front.min.js

jquery.cookie.min.js

core.min.js

datepicker.min.js

navigation.js

masonry.pkgd.min.js

wp-emoji-release.min.js

gtm.js

offerte.svg

offerte-hover.svg

tel.svg

tel-hover.svg

mail.svg

mail-hover.svg

logo-wit-1.svg

menu.svg

menu-blue.svg

menu-blue-active.svg

sf-bg-1.jpg

grafische-vormgeving.svg

website-laten-maken-1.svg