Tools & Wizards About Us
dualslim.nl screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dualslim.nl

Page Load Speed

3.3 sec in total

First Response

381 ms

Resources Loaded

2.6 sec

Page Rendered

350 ms

dualslim.nl screenshot

About Website

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

Welkom bij DualSlim.nl - Uw adres voor DualSim GSMs <br /> <br /> Nu: *GRATIS * verzending voor bestellingen vanaf €25!<br /> <br /> Uw adres voor Simlockvrije DualSim GSMs en Accessoires. Al onze Dua...

Visit dualslim.nl

Key Findings

We analyzed Dualslim.nl page load time and found that the first response time was 381 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dualslim.nl performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value3.5 s

89/100

10%

TBT (Total Blocking Time)

Value2,430 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.208

60/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

www.dualslim.nl

381 ms

cookielaw.css

270 ms

css

26 ms

gui-2-0.css

271 ms

gui-responsive-2-0.css

269 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Dualslim.nl, 38% (41 requests) were made to Static.webshopapp.com and 29% (32 requests) were made to Assets.webshopapp.com. The less responsive or slowest element that took the longest time to load (711 ms) relates to the external source Kiyoh.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 797.6 kB (54%)

Content Size

1.5 MB

After Optimization

682.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dualslim.nl main page is 1.5 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. 55% of websites need less resources to load. Javascripts take 759.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 77.4 kB

  • Original 93.2 kB
  • After minification 72.7 kB
  • After compression 15.8 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 20.5 kB, which is 22% 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 77.4 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 38.0 kB

  • Original 418.1 kB
  • After minification 380.1 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. Dualslim images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 510.4 kB

  • Original 759.6 kB
  • After minification 723.8 kB
  • After compression 249.2 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 510.4 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 171.8 kB

  • Original 209.0 kB
  • After minification 187.1 kB
  • After compression 37.1 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. Dualslim.nl needs all CSS files to be minified and compressed as it can save up to 171.8 kB or 82% of the original size.

Requests Breakdown

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

Requests Now

100

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dualslim. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.dualslim.nl

www.dualslim.nl

381 ms

cookielaw.css

cookielaw.css

270 ms

css

css

26 ms

gui-2-0.css

gui-2-0.css

271 ms

gui-responsive-2-0.css

gui-responsive-2-0.css

269 ms

jquery-fancybox-2-1-4.css

jquery-fancybox-2-1-4.css

274 ms

jquery-fancybox-2-1-4-thumbs.css

jquery-fancybox-2-1-4-thumbs.css

274 ms

bootstrap-min.css

bootstrap-min.css

373 ms

flexslider.css

flexslider.css

278 ms

navigatie.css

navigatie.css

284 ms

yamm.css

yamm.css

283 ms

stylesheet.css

stylesheet.css

278 ms

settings.css

settings.css

294 ms

custom.css

custom.css

368 ms

jquery-1-9-1.js

jquery-1-9-1.js

357 ms

jquery-migrate-1.2.1.js

jquery-migrate-1.2.1.js

6 ms

jquery-flexslider-min.js

jquery-flexslider-min.js

370 ms

bootstrap-min.js

bootstrap-min.js

419 ms

gui.js

gui.js

352 ms

jquery-ui-1-10-1.js

jquery-ui-1-10-1.js

565 ms

jquery-modal-min.js

jquery-modal-min.js

419 ms

jquery-fancybox-2-1-4.js

jquery-fancybox-2-1-4.js

353 ms

jquery-fancybox-2-1-4-thumbs.js

jquery-fancybox-2-1-4-thumbs.js

354 ms

jquery-zoom-1-7-0.js

jquery-zoom-1-7-0.js

354 ms

gui-responsive-2-0.js

gui-responsive-2-0.js

482 ms

doubletaptogo.js

doubletaptogo.js

482 ms

responsive-tabs.js

responsive-tabs.js

483 ms

fitvids.js

fitvids.js

483 ms

main.js

main.js

484 ms

masonry-pkgd-min.js

masonry-pkgd-min.js

554 ms

xiaomi-header.jpg

xiaomi-header.jpg

259 ms

background.png

background.png

165 ms

usp-01.png

usp-01.png

165 ms

usp-02.png

usp-02.png

171 ms

usp-03.png

usp-03.png

224 ms

usp-04.png

usp-04.png

266 ms

logo.png

logo.png

266 ms

cross.png

cross.png

266 ms

optie-2-afbeelding-3.png

optie-2-afbeelding-3.png

660 ms

afbeelding-boven-footer.png

afbeelding-boven-footer.png

267 ms

icon-twitter.png

icon-twitter.png

269 ms

icon-facebook.png

icon-facebook.png

491 ms

icon-youtube.png

icon-youtube.png

491 ms

image.jpg

image.jpg

100 ms

image.jpg

image.jpg

101 ms

image.jpg

image.jpg

103 ms

image.jpg

image.jpg

101 ms

image.jpg

image.jpg

102 ms

image.jpg

image.jpg

254 ms

xiaomi-redmi-3-hoes.jpg

xiaomi-redmi-3-hoes.jpg

255 ms

doogee-y200.jpg

doogee-y200.jpg

254 ms

jiayu-s3-plus.jpg

jiayu-s3-plus.jpg

254 ms

xiaomi-mi-band-1a-smartband.jpg

xiaomi-mi-band-1a-smartband.jpg

255 ms

ulefone-paris.jpg

ulefone-paris.jpg

456 ms

xiaomi-redmi-3.jpg

xiaomi-redmi-3.jpg

454 ms

xiaomi-redmi-note-3-hoes.jpg

xiaomi-redmi-note-3-hoes.jpg

456 ms

xiaomi-redmi-note-2-tempered-glass-screenprotector.jpg

xiaomi-redmi-note-2-tempered-glass-screenprotector.jpg

456 ms

xiaomi-redmi-note-3-tempered-glass-screenprotector.jpg

xiaomi-redmi-note-3-tempered-glass-screenprotector.jpg

455 ms

xiaomi-redmi-note-3.jpg

xiaomi-redmi-note-3.jpg

455 ms

doogee-titans2-dg700.jpg

doogee-titans2-dg700.jpg

486 ms

dualslim-hema-h3-telefoon-hoes.jpg

dualslim-hema-h3-telefoon-hoes.jpg

485 ms

dualslim-hema-h5-telefoon-hoes.jpg

dualslim-hema-h5-telefoon-hoes.jpg

487 ms

doogee-homtom-ht6.jpg

doogee-homtom-ht6.jpg

480 ms

banner-2.png

banner-2.png

562 ms

banner-3.jpg

banner-3.jpg

578 ms

icon-payment-ideal.png

icon-payment-ideal.png

486 ms

icon-payment-paypal.png

icon-payment-paypal.png

483 ms

icon-payment-mastercard.png

icon-payment-mastercard.png

571 ms

icon-payment-visa.png

icon-payment-visa.png

570 ms

icon-payment-banktransfer.png

icon-payment-banktransfer.png

574 ms

icon-payment-mistercash.png

icon-payment-mistercash.png

575 ms

icon-payment-directebanking.png

icon-payment-directebanking.png

571 ms

icon-payment-cash.png

icon-payment-cash.png

575 ms

widget.php

widget.php

711 ms

bg-image-header.png

bg-image-header.png

468 ms

2hig-tnMw8lXZsjwuh-9ow.ttf

2hig-tnMw8lXZsjwuh-9ow.ttf

44 ms

evC1haE-MsorTl_A7_uSGaCWcynf_cDxXwCLxiixG1c.ttf

evC1haE-MsorTl_A7_uSGaCWcynf_cDxXwCLxiixG1c.ttf

67 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

425 ms

widget.js

widget.js

406 ms

flexslider-icon.woff

flexslider-icon.woff

396 ms

pageview.js

pageview.js

161 ms

analytics.js

analytics.js

39 ms

sidebar.js

sidebar.js

487 ms

54493.js

54493.js

550 ms

3133_1446747790.js

3133_1446747790.js

158 ms

collect

collect

108 ms

collect

collect

135 ms

www.dualslim.nl

www.dualslim.nl

223 ms

ga-audiences

ga-audiences

33 ms

widget_v2.135.js

widget_v2.135.js

14 ms

__$$__stringtable_lang_nl.js

__$$__stringtable_lang_nl.js

74 ms

widget.php

widget.php

88 ms

jquery.min.js

jquery.min.js

28 ms

unslider.min.js

unslider.min.js

602 ms

style.css

style.css

611 ms

rating-sprite-135.png

rating-sprite-135.png

400 ms

arrows.png

arrows.png

536 ms

logo.png

logo.png

631 ms

avatar_simple_visitor.png

avatar_simple_visitor.png

94 ms

aL63HcygAAVYuCCsAAA==

aL63HcygAAVYuCCsAAA==

2 ms

coupon_code1.js

coupon_code1.js

9 ms

account_version_check.html

account_version_check.html

9 ms

coupon_code3.js

coupon_code3.js

6 ms

account_config3.html

account_config3.html

24 ms

logo_light.png

logo_light.png

78 ms

star_filled.png

star_filled.png

83 ms

star_empty.png

star_empty.png

154 ms

shop_info.php

shop_info.php

85 ms

webwinkel_keur_button.png

webwinkel_keur_button.png

78 ms

Accessibility Review

dualslim.nl accessibility score

63

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dualslim.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

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dualslim.nl SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dualslim.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Dualslim.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

dualslim.nl

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