Tools & Wizards About Us
uwstamboomonline.nl screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

uwstamboomonline.nl

Uw Stamboom Online - Maak uw eigen website voor uw stamboom

Page Load Speed

2 sec in total

First Response

306 ms

Resources Loaded

1.5 sec

Page Rendered

196 ms

uwstamboomonline.nl screenshot

About Website

Welcome to uwstamboomonline.nl homepage info - get ready to check Uw Stamboom Online best content for Netherlands right away, or after learning these important things about uwstamboomonline.nl

Binnen 5 minuten uw eigen website met stamboom. Inclusief een gastenboek, fotoalbum en tekstpagina's, met een paar muisklikken te wijzigen.

Visit uwstamboomonline.nl

Key Findings

We analyzed Uwstamboomonline.nl page load time and found that the first response time was 306 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

uwstamboomonline.nl performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

main.php

306 ms

js

80 ms

api.js

100 ms

stylesheet.css

102 ms

errors.js

173 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 86% of them (38 requests) were addressed to the original Uwstamboomonline.nl, 7% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (603 ms) belongs to the original domain Uwstamboomonline.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.8 kB (17%)

Content Size

178.8 kB

After Optimization

149.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uwstamboomonline.nl main page is 178.8 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. 20% of websites need less resources to load. Images take 137.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 10.5 kB

  • Original 14.3 kB
  • After minification 13.3 kB
  • After compression 3.7 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 10.5 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 11.5 kB

  • Original 137.9 kB
  • After minification 126.3 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. Uw Stamboom Online images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 1.8 kB

  • Original 19.4 kB
  • After minification 19.1 kB
  • After compression 17.6 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

-82%

Potential reduce by 5.9 kB

  • Original 7.3 kB
  • After minification 5.9 kB
  • After compression 1.3 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. Uwstamboomonline.nl needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (28%)

Requests Now

43

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uw Stamboom Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

main.php

main.php

306 ms

js

js

80 ms

api.js

api.js

100 ms

stylesheet.css

stylesheet.css

102 ms

errors.js

errors.js

173 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

40 ms

ga.js

ga.js

9 ms

header_fotobalk.jpg

header_fotobalk.jpg

177 ms

logo2_nl.png

logo2_nl.png

89 ms

nix.gif

nix.gif

170 ms

tab_wit_links.gif

tab_wit_links.gif

171 ms

tab_wit_midden.gif

tab_wit_midden.gif

172 ms

tab_wit_rechts.gif

tab_wit_rechts.gif

172 ms

tab_bruin_links.gif

tab_bruin_links.gif

172 ms

tab_bruin_midden.gif

tab_bruin_midden.gif

254 ms

tab_bruin_rechts.gif

tab_bruin_rechts.gif

256 ms

bg_wit_boven.gif

bg_wit_boven.gif

258 ms

bg_wit_midden.gif

bg_wit_midden.gif

257 ms

foto_jongetje_wit.jpg

foto_jongetje_wit.jpg

339 ms

button_grijs.gif

button_grijs.gif

266 ms

nieuwe_vormgeving_rond_250.jpg

nieuwe_vormgeving_rond_250.jpg

338 ms

bg_wit_onder.gif

bg_wit_onder.gif

343 ms

bg_wit_smal_boven.gif

bg_wit_smal_boven.gif

344 ms

bg_wit_smal_midden.gif

bg_wit_smal_midden.gif

344 ms

641.jpg

641.jpg

357 ms

1105.jpg

1105.jpg

421 ms

88.jpg

88.jpg

426 ms

1580.jpg

1580.jpg

429 ms

5213.jpg

5213.jpg

430 ms

geentn.jpg

geentn.jpg

431 ms

1944.jpg

1944.jpg

447 ms

1590.jpg

1590.jpg

505 ms

242.jpg

242.jpg

512 ms

4118.jpg

4118.jpg

514 ms

2401.jpg

2401.jpg

516 ms

2558.jpg

2558.jpg

516 ms

830.jpg

830.jpg

536 ms

3613.jpg

3613.jpg

588 ms

bg_wit_smal_onder.gif

bg_wit_smal_onder.gif

598 ms

twitter.png

twitter.png

598 ms

facebook.png

facebook.png

602 ms

pinterest.png

pinterest.png

603 ms

__utm.gif

__utm.gif

14 ms

__utm.gif

__utm.gif

15 ms

Accessibility Review

uwstamboomonline.nl accessibility score

67

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

uwstamboomonline.nl best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

uwstamboomonline.nl SEO score

69

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uwstamboomonline.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Uwstamboomonline.nl main page’s claimed encoding is windows-1252. 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

uwstamboomonline.nl

Open Graph description is not detected on the main page of Uw Stamboom Online. 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: