Tools & Wizards About Us
glaswerk-aldtsjerk.nl screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

glaswerk-aldtsjerk.nl

Glasatelier Jan Hooghiemstra Passie voor glas & Liefde voor mensen

Page Load Speed

4.5 sec in total

First Response

370 ms

Resources Loaded

3.9 sec

Page Rendered

273 ms

glaswerk-aldtsjerk.nl screenshot

About Website

Visit glaswerk-aldtsjerk.nl now to see the best up-to-date Glas Werkaldtsjerk content and also check out these interesting facts you probably never knew about glaswerk-aldtsjerk.nl

Voor grafmonumenten van glas, glaskunst, relatiegeschenken van glas en creatieve workshops in Friesland komt u naar Glasatelier Jan Hooghiemstra.

Visit glaswerk-aldtsjerk.nl

Key Findings

We analyzed Glaswerk-aldtsjerk.nl page load time and found that the first response time was 370 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

glaswerk-aldtsjerk.nl performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.194

63/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

glaswerk-aldtsjerk.nl

370 ms

www.janhooghiemstra.nl

1139 ms

style.min.css

98 ms

gf-tooltips.css

190 ms

style.css

270 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Glaswerk-aldtsjerk.nl, 64% (30 requests) were made to Janhooghiemstra.nl and 9% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Janhooghiemstra.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.9 kB (16%)

Content Size

567.6 kB

After Optimization

475.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Glaswerk-aldtsjerk.nl main page is 567.6 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. 50% of websites need less resources to load. Images take 419.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 46.2 kB

  • Original 59.3 kB
  • After minification 55.5 kB
  • After compression 13.1 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 46.2 kB or 78% of the original size.

Image Optimization

-10%

Potential reduce by 40.5 kB

  • Original 419.3 kB
  • After minification 378.8 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. Glas Werkaldtsjerk images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.6 kB

  • Original 64.4 kB
  • After minification 64.4 kB
  • After compression 62.9 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

-15%

Potential reduce by 3.7 kB

  • Original 24.5 kB
  • After minification 23.9 kB
  • After compression 20.9 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. Glaswerk-aldtsjerk.nl needs all CSS files to be minified and compressed as it can save up to 3.7 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (48%)

Requests Now

40

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Glas Werkaldtsjerk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

glaswerk-aldtsjerk.nl

glaswerk-aldtsjerk.nl

370 ms

www.janhooghiemstra.nl

www.janhooghiemstra.nl

1139 ms

style.min.css

style.min.css

98 ms

gf-tooltips.css

gf-tooltips.css

190 ms

style.css

style.css

270 ms

font-awesome.min.css

font-awesome.min.css

39 ms

rock.css

rock.css

270 ms

style_responsive.css

style_responsive.css

269 ms

jquery.min.js

jquery.min.js

32 ms

require-utils.js

require-utils.js

272 ms

general.js

general.js

271 ms

jquery.qtip.min.js

jquery.qtip.min.js

282 ms

gf-tooltips.js

gf-tooltips.js

358 ms

reset.css

reset.css

93 ms

typography.css

typography.css

92 ms

layout.css

layout.css

94 ms

ga.js

ga.js

67 ms

fbds.js

fbds.js

64 ms

rock.jpg

rock.jpg

376 ms

rock.png

rock.png

194 ms

mobile_powered_flames.png

mobile_powered_flames.png

193 ms

kunst-760x252.jpg

kunst-760x252.jpg

281 ms

creatieve_workshops22.png

creatieve_workshops22.png

277 ms

icon0.png

icon0.png

109 ms

button_wa1.png

button_wa1.png

195 ms

Glazen-grafmonument3.jpg

Glazen-grafmonument3.jpg

282 ms

Glazen-grafmonument-kindergraf.jpg

Glazen-grafmonument-kindergraf.jpg

287 ms

Workshop-vlinders-in-Friesland-165x125.jpg

Workshop-vlinders-in-Friesland-165x125.jpg

286 ms

Leukste-Uitje-van-Friesland.jpg

Leukste-Uitje-van-Friesland.jpg

373 ms

JAN_.gif

JAN_.gif

1265 ms

workshop-friesland-kaartje.png

workshop-friesland-kaartje.png

375 ms

all.js

all.js

63 ms

widgets.js

widgets.js

106 ms

thesanslight-plain-webfont.woff

thesanslight-plain-webfont.woff

337 ms

thesans-plain-webfont.woff

thesans-plain-webfont.woff

339 ms

thesanslight-italic-webfont.woff

thesanslight-italic-webfont.woff

422 ms

thesansbold-plain-webfont.woff

thesansbold-plain-webfont.woff

427 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

41 ms

19cf4d07-2763-4ff2-ba0d-473c554c6ca8.js

19cf4d07-2763-4ff2-ba0d-473c554c6ca8.js

79 ms

all.js

all.js

20 ms

__utm.gif

__utm.gif

29 ms

15 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

53 ms

settings

settings

97 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

21 ms

embeds

embeds

34 ms

follow_button.2f70fb173b9000da126c79afe2098f02.nl.html

follow_button.2f70fb173b9000da126c79afe2098f02.nl.html

31 ms

Accessibility Review

glaswerk-aldtsjerk.nl accessibility score

73

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

glaswerk-aldtsjerk.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

glaswerk-aldtsjerk.nl SEO score

93

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

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 Glaswerk-aldtsjerk.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 Glaswerk-aldtsjerk.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

glaswerk-aldtsjerk.nl

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