Tools & Wizards About Us
glasblok.nl screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

glasblok.nl

Glasblok.nl | de glazen bouwsteen specialist van Nederland. - Glazen bouwstenen | Glasblokken | Glasdallen | Glastegels

Page Load Speed

2.1 sec in total

First Response

126 ms

Resources Loaded

1.6 sec

Page Rendered

316 ms

glasblok.nl screenshot

About Website

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

U kan bij ons glasblokken bestellen uit het grootste assortiment van Nederland. Wij leveren alle standaard maten en leveren bijna alles uit voorraad. Wij leveren glazen bouwstenen én alle toebehoren.

Visit glasblok.nl

Key Findings

We analyzed Glasblok.nl page load time and found that the first response time was 126 ms and then it took 1.9 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

glasblok.nl performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value5.3 s

57/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.819

4/100

15%

TTI (Time to Interactive)

Value5.3 s

72/100

10%

Network Requests Diagram

glasblok.nl

126 ms

197 ms

css

44 ms

bootstrap.css

61 ms

style.css

76 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 9% of them (5 requests) were addressed to the original Glasblok.nl, 82% (46 requests) were made to Cdn.webshopapp.com and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (327 ms) relates to the external source Cdn.webshopapp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.9 kB (4%)

Content Size

1.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Glasblok.nl main page is 1.2 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. 60% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 50.1 kB

  • Original 58.1 kB
  • After minification 43.1 kB
  • After compression 8.0 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. This page needs HTML code to be minified as it can gain 15.0 kB, which is 26% 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 50.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.1 MB
  • After minification 1.1 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. Glasblok images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 104.5 kB
  • After minification 104.5 kB
  • After compression 103.3 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

-11%

Potential reduce by 671 B

  • Original 6.3 kB
  • After minification 6.3 kB
  • After compression 5.7 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. Glasblok.nl needs all CSS files to be minified and compressed as it can save up to 671 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

49

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Glasblok. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

glasblok.nl

glasblok.nl

126 ms

197 ms

css

css

44 ms

bootstrap.css

bootstrap.css

61 ms

style.css

style.css

76 ms

settings.css

settings.css

85 ms

gui-2-0.css

gui-2-0.css

80 ms

gui-responsive-2-0.css

gui-responsive-2-0.css

80 ms

custom.css

custom.css

85 ms

jquery-1-9-1.js

jquery-1-9-1.js

89 ms

jquery-ui-1-10-1.js

jquery-ui-1-10-1.js

106 ms

global.js

global.js

103 ms

jcarousel.js

jcarousel.js

126 ms

gui.js

gui.js

130 ms

gui-responsive-2-0.js

gui-responsive-2-0.js

128 ms

email-decode.min.js

email-decode.min.js

19 ms

js

js

51 ms

pageview.js

pageview.js

121 ms

background_image.png

background_image.png

327 ms

flags.png

flags.png

22 ms

hamburger.png

hamburger.png

22 ms

logo.png

logo.png

22 ms

198-bronze.jpg

198-bronze.jpg

26 ms

1919-8-arctic.jpg

1919-8-arctic.jpg

29 ms

1919-8-alpha.jpg

1919-8-alpha.jpg

41 ms

1919-8-wave.jpg

1919-8-wave.jpg

62 ms

wanden-met-glazen-bouwstenen.jpg

wanden-met-glazen-bouwstenen.jpg

39 ms

new-colour-collection.jpg

new-colour-collection.jpg

42 ms

glazen-bouwstenen.jpg

glazen-bouwstenen.jpg

71 ms

mendini-collection.jpg

mendini-collection.jpg

70 ms

mendini-collection.jpg

mendini-collection.jpg

69 ms

bouwglas-190x190x80-reflejos-antracita.jpg

bouwglas-190x190x80-reflejos-antracita.jpg

69 ms

bouwglas-190x190x80-reflejos-indigo.jpg

bouwglas-190x190x80-reflejos-indigo.jpg

68 ms

bouwglas-190x190x80-agua-negro.jpg

bouwglas-190x190x80-agua-negro.jpg

111 ms

bouwglas-190x190x80-agua-caribe.jpg

bouwglas-190x190x80-agua-caribe.jpg

90 ms

bouwglas-190x190x80-agua-neutro.jpg

bouwglas-190x190x80-agua-neutro.jpg

88 ms

190x190x80-wave.jpg

190x190x80-wave.jpg

91 ms

190x190x80-bubbel.jpg

190x190x80-bubbel.jpg

89 ms

190x190x80-helder.jpg

190x190x80-helder.jpg

110 ms

190x190x80-wave-sahara.jpg

190x190x80-wave-sahara.jpg

130 ms

190x190x80-helder-sahara.jpg

190x190x80-helder-sahara.jpg

111 ms

190x190x80-cross-small.jpg

190x190x80-cross-small.jpg

112 ms

190x190x80-cross-large.jpg

190x190x80-cross-large.jpg

112 ms

190x190x80-samba.jpg

190x190x80-samba.jpg

112 ms

social-icons.png

social-icons.png

114 ms

icon-payment-banktransfer.png

icon-payment-banktransfer.png

115 ms

icon-payment-belfius.png

icon-payment-belfius.png

118 ms

icon-payment-mistercash.png

icon-payment-mistercash.png

115 ms

icon-payment-directebanking.png

icon-payment-directebanking.png

125 ms

icon-payment-ideal.png

icon-payment-ideal.png

121 ms

icon-payment-paypal.png

icon-payment-paypal.png

133 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

51 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

71 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

126 ms

main.js

main.js

36 ms

Accessibility Review

glasblok.nl accessibility score

77

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.

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

Form elements do not have associated labels

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

glasblok.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

glasblok.nl SEO score

98

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

    NL

  • Encoding

    UTF-8

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

glasblok.nl

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