Tools & Wizards About Us
spiegelzonwering.nl screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

spiegelzonwering.nl

Zonwering in Utrecht: voor binnen en buiten - De Spiegel Zonwering

Page Load Speed

5.9 sec in total

First Response

410 ms

Resources Loaded

3.6 sec

Page Rendered

1.8 sec

spiegelzonwering.nl screenshot

About Website

Visit spiegelzonwering.nl now to see the best up-to-date Spiegel Zonwering content and also check out these interesting facts you probably never knew about spiegelzonwering.nl

Binnen- en buitenzonwering in Utrecht: van screens en markiezen tot jaloezieën en rolgordijnen. Wij werken met een eigen montagedienst die de zonwering inmeet en bij u plaatst. Bezoek onze showroom va...

Visit spiegelzonwering.nl

Key Findings

We analyzed Spiegelzonwering.nl page load time and found that the first response time was 410 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

spiegelzonwering.nl performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.23

54/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

spiegelzonwering.nl

410 ms

www.spiegelzonwering.nl

640 ms

jquery.min.js

215 ms

style.css

187 ms

global.js

302 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 60% of them (45 requests) were addressed to the original Spiegelzonwering.nl, 12% (9 requests) were made to Maps.googleapis.com and 11% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Spiegelzonwering.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 227.1 kB (11%)

Content Size

2.0 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spiegelzonwering.nl main page is 2.0 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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 39.9 kB

  • Original 49.4 kB
  • After minification 45.7 kB
  • After compression 9.5 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 39.9 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 135.5 kB

  • Original 1.8 MB
  • After minification 1.6 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. Spiegel Zonwering images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 48.7 kB

  • Original 188.2 kB
  • After minification 163.2 kB
  • After compression 139.5 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 48.7 kB or 26% of the original size.

CSS Optimization

-16%

Potential reduce by 3.0 kB

  • Original 19.1 kB
  • After minification 19.1 kB
  • After compression 16.1 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. Spiegelzonwering.nl needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (44%)

Requests Now

64

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spiegel Zonwering. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

spiegelzonwering.nl

spiegelzonwering.nl

410 ms

www.spiegelzonwering.nl

www.spiegelzonwering.nl

640 ms

jquery.min.js

jquery.min.js

215 ms

style.css

style.css

187 ms

global.js

global.js

302 ms

css

css

250 ms

font-awesome.min.css

font-awesome.min.css

247 ms

slider.js

slider.js

371 ms

js

js

286 ms

jquery-confirm.css

jquery-confirm.css

455 ms

route.css

route.css

457 ms

slider.js

slider.js

458 ms

slider.css

slider.css

433 ms

forms.css

forms.css

427 ms

forms.js

forms.js

441 ms

directions.js

directions.js

441 ms

responsive.css

responsive.css

453 ms

jquery-confirm.js

jquery-confirm.js

449 ms

cookieconsent.css

cookieconsent.css

454 ms

cookieconsent.js

cookieconsent.js

448 ms

gen_204

gen_204

430 ms

analytics.js

analytics.js

503 ms

gtm.js

gtm.js

502 ms

embed

embed

1055 ms

logo.svg

logo.svg

339 ms

_vb_1538.jpg

_vb_1538.jpg

1209 ms

_bannerimage1.jpg

_bannerimage1.jpg

1023 ms

_ontwerp-zonder-titel.jpg

_ontwerp-zonder-titel.jpg

1026 ms

sun-solid.svg

sun-solid.svg

336 ms

tools-solid.svg

tools-solid.svg

341 ms

clock-regular.svg

clock-regular.svg

1023 ms

shield-alt-solid.svg

shield-alt-solid.svg

1014 ms

naamloos-1-0_500x300_adaptiveResize.jpg

naamloos-1-0_500x300_adaptiveResize.jpg

1023 ms

knikarmschermen-0_500x300_adaptiveResize.jpg

knikarmschermen-0_500x300_adaptiveResize.jpg

1343 ms

stobag_fl1000_030_500x300_adaptiveResize.jpg

stobag_fl1000_030_500x300_adaptiveResize.jpg

1341 ms

horren-0.jpg

horren-0.jpg

1344 ms

veranda.jpg

veranda.jpg

1307 ms

contact-spiegel.jpg

contact-spiegel.jpg

1442 ms

_010_purmerland-_dk_.jpg

_010_purmerland-_dk_.jpg

1441 ms

tags-solid.svg

tags-solid.svg

1342 ms

logo-luxaflex-1.jpg

logo-luxaflex-1.jpg

1440 ms

heroal-bildmarke_cmyk-0.jpg

heroal-bildmarke_cmyk-0.jpg

1550 ms

alulux-0.png

alulux-0.png

1467 ms

roma-0.png

roma-0.png

1441 ms

sunmaster-0.jpg

sunmaster-0.jpg

1598 ms

bubendorff-0.png

bubendorff-0.png

1548 ms

videoplaceholder.jpg

videoplaceholder.jpg

1549 ms

image001.png

image001.png

1879 ms

romazo.jpg

romazo.jpg

1550 ms

logo-tweezijdige-av-romazo-2020.jpg

logo-tweezijdige-av-romazo-2020.jpg

1564 ms

linkedin_icon.png

linkedin_icon.png

1563 ms

facebook-770688_1280-0.png

facebook-770688_1280-0.png

1562 ms

instagram-icon.png

instagram-icon.png

1596 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

400 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVQ.woff

401 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

771 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

774 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

941 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

86 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

942 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

941 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

941 ms

linkid.js

linkid.js

617 ms

collect

collect

556 ms

collect

collect

424 ms

js

js

297 ms

js

js

280 ms

gen_204

gen_204

148 ms

init_embed.js

init_embed.js

79 ms

common.js

common.js

83 ms

util.js

util.js

115 ms

map.js

map.js

109 ms

overlay.js

overlay.js

72 ms

onion.js

onion.js

67 ms

search_impl.js

search_impl.js

65 ms

Accessibility Review

spiegelzonwering.nl accessibility score

82

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

spiegelzonwering.nl best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

spiegelzonwering.nl SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Spiegelzonwering.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 Spiegelzonwering.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

spiegelzonwering.nl

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