Tools & Wizards About Us
bisdomhaarlem-amsterdam.nl screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

bisdomhaarlem-amsterdam.nl

Bisdom Haarlem-Amsterdam - Home

Page Load Speed

4.5 sec in total

First Response

396 ms

Resources Loaded

3.7 sec

Page Rendered

358 ms

bisdomhaarlem-amsterdam.nl screenshot

About Website

Welcome to bisdomhaarlem-amsterdam.nl homepage info - get ready to check Bisdom Haarlem Amsterdam best content for Netherlands right away, or after learning these important things about bisdomhaarlem-amsterdam.nl

Officiële website van Bisdom Haarlem-Amsterdam

Visit bisdomhaarlem-amsterdam.nl

Key Findings

We analyzed Bisdomhaarlem-amsterdam.nl page load time and found that the first response time was 396 ms and then it took 4.1 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

bisdomhaarlem-amsterdam.nl performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

bisdomhaarlem-amsterdam.nl

396 ms

bisdomhaarlem-amsterdam.nl

1249 ms

algemeen.css

683 ms

teun_youtube.css

789 ms

css3menu.css

886 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 90% of them (53 requests) were addressed to the original Bisdomhaarlem-amsterdam.nl, 5% (3 requests) were made to I.ytimg.com and 2% (1 request) were made to Kit.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Bisdomhaarlem-amsterdam.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 185.5 kB (17%)

Content Size

1.1 MB

After Optimization

880.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bisdomhaarlem-amsterdam.nl main page is 1.1 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. 35% of websites need less resources to load. Images take 886.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 34.9 kB

  • Original 45.3 kB
  • After minification 44.4 kB
  • After compression 10.4 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 34.9 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 42.4 kB

  • Original 886.0 kB
  • After minification 843.7 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. Bisdom Haarlem Amsterdam images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 89.3 kB

  • Original 111.7 kB
  • After minification 79.2 kB
  • After compression 22.4 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 89.3 kB or 80% of the original size.

CSS Optimization

-81%

Potential reduce by 18.9 kB

  • Original 23.2 kB
  • After minification 18.7 kB
  • After compression 4.3 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. Bisdomhaarlem-amsterdam.nl needs all CSS files to be minified and compressed as it can save up to 18.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (21%)

Requests Now

57

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bisdom Haarlem Amsterdam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bisdomhaarlem-amsterdam.nl

bisdomhaarlem-amsterdam.nl

396 ms

bisdomhaarlem-amsterdam.nl

bisdomhaarlem-amsterdam.nl

1249 ms

algemeen.css

algemeen.css

683 ms

teun_youtube.css

teun_youtube.css

789 ms

css3menu.css

css3menu.css

886 ms

lightbox.css

lightbox.css

966 ms

tabs.css

tabs.css

966 ms

prototype.js

prototype.js

102 ms

scriptaculous.js

scriptaculous.js

203 ms

lightbox.js

lightbox.js

377 ms

algemeen.js

algemeen.js

286 ms

tabs.js

tabs.js

286 ms

d9fa19075a.js

d9fa19075a.js

60 ms

js

js

67 ms

effects.js

effects.js

191 ms

print.css

print.css

102 ms

bg_input.jpg

bg_input.jpg

102 ms

mqdefault.jpg

mqdefault.jpg

66 ms

rkactiviteiten200.png

rkactiviteiten200.png

574 ms

bg_head.jpg

bg_head.jpg

193 ms

logo100.jpg

logo100.jpg

104 ms

bg_left.jpg

bg_left.jpg

103 ms

bg_tableft.jpg

bg_tableft.jpg

106 ms

bttn_hildegard.png

bttn_hildegard.png

199 ms

bttn_kathedraal.png

bttn_kathedraal.png

294 ms

bttn_jubeljaar.png

bttn_jubeljaar.png

203 ms

bttn_internationaal.png

bttn_internationaal.png

215 ms

bttn_kathedraal-tv.png

bttn_kathedraal-tv.png

379 ms

bttn_meldpunt.png

bttn_meldpunt.png

289 ms

bttn_in_uit_schrijven.png

bttn_in_uit_schrijven.png

296 ms

bttn_parochies.png

bttn_parochies.png

300 ms

wiuzw-s.jpg

wiuzw-s.jpg

313 ms

leesverder.png

leesverder.png

388 ms

sk202408.jpg

sk202408.jpg

483 ms

arsacal.png

arsacal.png

396 ms

missaal.png

missaal.png

399 ms

zoekparochie-s.jpg

zoekparochie-s.jpg

412 ms

20240801_tenhemelopneming.png

20240801_tenhemelopneming.png

754 ms

icon_photo.png

icon_photo.png

488 ms

20240810_bruurke.jpg

20240810_bruurke.jpg

494 ms

20240809_paix.jpg

20240809_paix.jpg

497 ms

icon_video.png

icon_video.png

510 ms

20240813_tenhemelopneming.jpg

20240813_tenhemelopneming.jpg

582 ms

20240807_pausbezoek.jpg

20240807_pausbezoek.jpg

586 ms

20240807_vredeskerk.jpg

20240807_vredeskerk.jpg

593 ms

20240802_breakthrough.jpg

20240802_breakthrough.jpg

687 ms

20240801_samenkerk.jpg

20240801_samenkerk.jpg

700 ms

20240801_zomerpuzzel.jpg

20240801_zomerpuzzel.jpg

682 ms

20240731_paramenten.jpg

20240731_paramenten.jpg

689 ms

20240725_tenhemelopneming.jpg

20240725_tenhemelopneming.jpg

693 ms

20240801_charbel.jpg

20240801_charbel.jpg

780 ms

imoose.png

imoose.png

787 ms

bg_rght.jpg

bg_rght.jpg

799 ms

bg_foot.jpg

bg_foot.jpg

793 ms

mqdefault.jpg

mqdefault.jpg

56 ms

mqdefault.jpg

mqdefault.jpg

78 ms

kathedraaltv.png

kathedraaltv.png

106 ms

loading.gif

loading.gif

98 ms

closelabel.gif

closelabel.gif

102 ms

Accessibility Review

bisdomhaarlem-amsterdam.nl accessibility score

49

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

bisdomhaarlem-amsterdam.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bisdomhaarlem-amsterdam.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

    N/A

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bisdomhaarlem-amsterdam.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Bisdomhaarlem-amsterdam.nl 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

bisdomhaarlem-amsterdam.nl

Open Graph description is not detected on the main page of Bisdom Haarlem Amsterdam. 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: