Tools & Wizards About Us
vellum.nl screenshot

Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

vellum.nl

vellum.nl

Page Load Speed

1.7 sec in total

First Response

290 ms

Resources Loaded

1.3 sec

Page Rendered

78 ms

vellum.nl screenshot

About Website

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Key Findings

We analyzed Vellum.nl page load time and found that the first response time was 290 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

vellum.nl performance score

0

Network Requests Diagram

vellum.nl

290 ms

bumper.html

464 ms

style.css

88 ms

topheader01.jpg

544 ms

trans.gif

219 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 13% of them (1 request) were addressed to the original Vellum.nl, 88% (7 requests) were made to Designerelements.com. The less responsive or slowest element that took the longest time to load (544 ms) relates to the external source Designerelements.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 kB (4%)

Content Size

24.9 kB

After Optimization

23.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Vellum.nl main page is 24.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 23.1 kB which makes up the majority of the site volume.

HTML Optimization

-41%

Potential reduce by 381 B

  • Original 931 B
  • After minification 905 B
  • After compression 550 B

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 381 B or 41% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 23.1 kB
  • After minification 23.1 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. Vellum images are well optimized though.

CSS Optimization

-78%

Potential reduce by 681 B

  • Original 873 B
  • After minification 609 B
  • After compression 192 B

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. Vellum.nl needs all CSS files to be minified and compressed as it can save up to 681 B or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • AJAX
  • Images
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vellum. According to our analytics all requests are already optimized.

Network Requests Diagram

vellum.nl

vellum.nl

290 ms

bumper.html

bumper.html

464 ms

style.css

style.css

88 ms

topheader01.jpg

topheader01.jpg

544 ms

trans.gif

trans.gif

219 ms

left01.gif

left01.gif

392 ms

left02.gif

left02.gif

389 ms

left03.gif

left03.gif

388 ms

Accessibility Review

vellum.nl accessibility score

33

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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

Best Practices

vellum.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

vellum.nl SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vellum.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Vellum.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

vellum.nl

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