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stafa.nl screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

stafa.nl

Stafa | Fasteners & Specials | Our part in every solution

Page Load Speed

2.7 sec in total

First Response

635 ms

Resources Loaded

1.9 sec

Page Rendered

209 ms

stafa.nl screenshot

About Website

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

Hoogwaardige kwaliteit bevestigingsmaterialen | 75.000 producten leverbaar | ISO 9001 | AQL | Traceability | Maatwerk | Productcertificaten | Ontdek Stafa

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Key Findings

We analyzed Stafa.nl page load time and found that the first response time was 635 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

stafa.nl performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

stafa.nl

635 ms

style.css

257 ms

style_stafa.css

163 ms

jquery-1.8.2.min.js

431 ms

jquery.lightbox-0.5.css

181 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Stafa.nl, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (858 ms) belongs to the original domain Stafa.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.7 kB (39%)

Content Size

495.6 kB

After Optimization

299.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stafa.nl main page is 495.6 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. 20% of websites need less resources to load. Images take 272.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.2 kB

  • Original 11.2 kB
  • After minification 11.0 kB
  • After compression 3.0 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 8.2 kB or 73% of the original size.

Image Optimization

-17%

Potential reduce by 46.7 kB

  • Original 272.3 kB
  • After minification 225.7 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. Obviously, Stafa needs image optimization as it can save up to 46.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 120.8 kB

  • Original 187.5 kB
  • After minification 171.5 kB
  • After compression 66.8 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 120.8 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 20.1 kB

  • Original 24.5 kB
  • After minification 20.0 kB
  • After compression 4.4 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. Stafa.nl needs all CSS files to be minified and compressed as it can save up to 20.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (27%)

Requests Now

41

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stafa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stafa.nl

stafa.nl

635 ms

style.css

style.css

257 ms

style_stafa.css

style_stafa.css

163 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

431 ms

jquery.lightbox-0.5.css

jquery.lightbox-0.5.css

181 ms

jquery.lightbox-0.5.js

jquery.lightbox-0.5.js

267 ms

autocolumn.js

autocolumn.js

270 ms

QapTcha.jquery.css

QapTcha.jquery.css

242 ms

jquery-ui.js

jquery-ui.js

401 ms

jquery.ui.touch.js

jquery.ui.touch.js

324 ms

QapTcha.jquery.js

QapTcha.jquery.js

334 ms

functions.js

functions.js

353 ms

ga.js

ga.js

27 ms

style.css

style.css

95 ms

footer-back.jpg

footer-back.jpg

245 ms

menu.jpg

menu.jpg

163 ms

menu-item-stafa.png

menu-item-stafa.png

271 ms

menu-item-trading.png

menu-item-trading.png

91 ms

menu-item-assembly.png

menu-item-assembly.png

86 ms

menu-item-direct.png

menu-item-direct.png

170 ms

menu-item-industry.png

menu-item-industry.png

171 ms

menu-item-webshop.png

menu-item-webshop.png

179 ms

lang-back.jpg

lang-back.jpg

244 ms

lang-menu.png

lang-menu.png

262 ms

search-back.jpg

search-back.jpg

253 ms

search-btn.jpg

search-btn.jpg

266 ms

menu-back.jpg

menu-back.jpg

324 ms

button.png

button.png

325 ms

catalogus.png

catalogus.png

337 ms

home.jpg

home.jpg

858 ms

banner1.jpg

banner1.jpg

529 ms

banner2.jpg

banner2.jpg

537 ms

banner3.jpg

banner3.jpg

566 ms

banner4.jpg

banner4.jpg

648 ms

nieuws.png

nieuws.png

421 ms

offerte.png

offerte.png

505 ms

referentie.png

referentie.png

589 ms

bel.png

bel.png

617 ms

action-back.png

action-back.png

809 ms

catalogus.png

catalogus.png

647 ms

nieuwsbrief.png

nieuwsbrief.png

673 ms

helveticaneueltstd-lt-webfont.woff

helveticaneueltstd-lt-webfont.woff

792 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

stafa.nl accessibility score

98

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Best Practices

stafa.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

Page has valid source maps

SEO Factors

stafa.nl SEO score

97

Search Engine Optimization Advices

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stafa.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 Stafa.nl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

stafa.nl

Open Graph description is not detected on the main page of Stafa. 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: