Tools & Wizards About Us
nummerzoeker.com screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

nummerzoeker.com

Nummerzoeker.com voor alle manieren om op naam, adres of telefoonnummer te zoeken in de Nederlandse telefoongidsen

Page Load Speed

1.9 sec in total

First Response

112 ms

Resources Loaded

1.6 sec

Page Rendered

138 ms

nummerzoeker.com screenshot

About Website

Welcome to nummerzoeker.com homepage info - get ready to check Nummerzoeker best content for Netherlands right away, or after learning these important things about nummerzoeker.com

NummerZoeker

Visit nummerzoeker.com

Key Findings

We analyzed Nummerzoeker.com page load time and found that the first response time was 112 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

nummerzoeker.com performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

nummerzoeker.com

112 ms

www.nummerzoeker.com

114 ms

nzv3.css

52 ms

cookies.js

52 ms

show_ads.js

6 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 12% of them (11 requests) were addressed to the original Nummerzoeker.com, 7% (7 requests) were made to Apis.google.com and 6% (6 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (481 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 485.3 kB (56%)

Content Size

872.6 kB

After Optimization

387.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nummerzoeker.com main page is 872.6 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. 60% of websites need less resources to load. Javascripts take 716.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 11.7 kB

  • Original 16.1 kB
  • After minification 15.3 kB
  • After compression 4.4 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 11.7 kB or 73% of the original size.

Image Optimization

-10%

Potential reduce by 14.1 kB

  • Original 136.2 kB
  • After minification 122.0 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. Nummerzoeker images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 456.3 kB

  • Original 716.2 kB
  • After minification 702.1 kB
  • After compression 260.0 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 456.3 kB or 64% of the original size.

CSS Optimization

-77%

Potential reduce by 3.2 kB

  • Original 4.1 kB
  • After minification 2.6 kB
  • After compression 926 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. Nummerzoeker.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (72%)

Requests Now

88

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nummerzoeker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nummerzoeker.com

nummerzoeker.com

112 ms

www.nummerzoeker.com

www.nummerzoeker.com

114 ms

nzv3.css

nzv3.css

52 ms

cookies.js

cookies.js

52 ms

show_ads.js

show_ads.js

6 ms

abd.js

abd.js

63 ms

ga.js

ga.js

42 ms

zrt_lookup.html

zrt_lookup.html

149 ms

show_ads_impl.js

show_ads_impl.js

67 ms

bg.gif

bg.gif

67 ms

mainlogo.gif

mainlogo.gif

67 ms

__utm.gif

__utm.gif

84 ms

ads

ads

137 ms

titlebarlogo.gif

titlebarlogo.gif

56 ms

plusone.js

plusone.js

110 ms

ads

ads

170 ms

ads

ads

246 ms

54 ms

topbar.gif

topbar.gif

59 ms

textlink-ads.jpg

textlink-ads.jpg

59 ms

osd.js

osd.js

31 ms

like.php

like.php

215 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

30 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

72 ms

fastbutton

fastbutton

152 ms

google

google

277 ms

zh6s0cmt_728x90.png

zh6s0cmt_728x90.png

167 ms

ca

ca

119 ms

172 ms

adj

adj

146 ms

beacon

beacon

131 ms

postmessageRelay

postmessageRelay

119 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

51 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

46 ms

135 ms

adj

adj

83 ms

beacon

beacon

84 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

437 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

481 ms

api.js

api.js

38 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

107 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

159 ms

click%253Fd%253DAPEucNX0bN501Lw_MA0J7T2AOSeHZI0kHv8UcCMeLeA0149XQuGXx1QA_g1p6Fy5-F05u0IDp7uSy19997WTH7xWbO2Hv2xwdV_Rpzt5wpimK1ALgtk4qsM%2526r1%253D;ord=1456755796;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=

click%253Fd%253DAPEucNX0bN501Lw_MA0J7T2AOSeHZI0kHv8UcCMeLeA0149XQuGXx1QA_g1p6Fy5-F05u0IDp7uSy19997WTH7xWbO2Hv2xwdV_Rpzt5wpimK1ALgtk4qsM%2526r1%253D;ord=1456755796;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=

256 ms

c-20641

c-20641

126 ms

verify_selector.js

verify_selector.js

303 ms

blank.gif

blank.gif

302 ms

beacon.js

beacon.js

126 ms

68 ms

0

0

259 ms

pixel

pixel

75 ms

lidar.js

lidar.js

35 ms

sbhK2lTE.js

sbhK2lTE.js

90 ms

dvbs_src.js

dvbs_src.js

79 ms

verify_selector.js

verify_selector.js

224 ms

blank.gif

blank.gif

218 ms

pixel

pixel

181 ms

cTrvNaRi.html

cTrvNaRi.html

27 ms

7-1I540iwtLQZRDhQUP9L-vt70m6ZeYTcveWqB03r34.js

7-1I540iwtLQZRDhQUP9L-vt70m6ZeYTcveWqB03r34.js

9 ms

bst2tv3.html

bst2tv3.html

173 ms

verify.js

verify.js

125 ms

dt

dt

95 ms

33 ms

click%253Fd%253DAPEucNX0bN501Lw_MA0J7T2AOSeHZI0kHv8UcCMeLeA0149XQuGXx1QA_g1p6Fy5-F05u0IDp7uSy19997WTH7xWbO2Hv2xwdV_Rpzt5wpimK1ALgtk4qsM%2526r1%253D;ord=1456755796;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=

click%253Fd%253DAPEucNX0bN501Lw_MA0J7T2AOSeHZI0kHv8UcCMeLeA0149XQuGXx1QA_g1p6Fy5-F05u0IDp7uSy19997WTH7xWbO2Hv2xwdV_Rpzt5wpimK1ALgtk4qsM%2526r1%253D;ord=1456755796;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=

96 ms

sd

sd

6 ms

adServer.bs

adServer.bs

61 ms

dtc

dtc

18 ms

html_inpage_rendering_lib_200_111.js

html_inpage_rendering_lib_200_111.js

115 ms

verifyr.js

verifyr.js

33 ms

backup.jpg

backup.jpg

102 ms

verifyr.js

verifyr.js

46 ms

0

0

34 ms

pixel

pixel

60 ms

bg.png

bg.png

59 ms

adchoices.en.png

adchoices.en.png

57 ms

pixel

pixel

21 ms

Pix-1x1.gif

Pix-1x1.gif

25 ms

antenna2.js

antenna2.js

38 ms

rs.js

rs.js

57 ms

index.html

index.html

44 ms

m

m

28 ms

easeljs-0.7.1.min.js

easeljs-0.7.1.min.js

99 ms

tweenjs-0.5.1.min.js

tweenjs-0.5.1.min.js

90 ms

movieclip-0.7.1.min.js

movieclip-0.7.1.min.js

60 ms

preloadjs-0.4.1.min.js

preloadjs-0.4.1.min.js

96 ms

TweenLite.min.js

TweenLite.min.js

54 ms

TimelineLite.min.js

TimelineLite.min.js

95 ms

EasePack.min.js

EasePack.min.js

120 ms

16_GRCHK_LS_WinterUpdates_728x90_DSDPL_0.js

16_GRCHK_LS_WinterUpdates_728x90_DSDPL_0.js

38 ms

main.js

main.js

52 ms

Enabler_01_93.js

Enabler_01_93.js

117 ms

p

p

32 ms

vce_st.js

vce_st.js

44 ms

p

p

70 ms

p

p

57 ms

ca

ca

52 ms

Accessibility Review

nummerzoeker.com 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

Best Practices

nummerzoeker.com best practices score

75

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

Browser errors were logged to the console

SEO Factors

nummerzoeker.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nummerzoeker.com can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Nummerzoeker.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

nummerzoeker.com

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