Tools & Wizards About Us
delftsblauwekaarten.nl screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

delftsblauwekaarten.nl

Welkom op delftsblauwekaarten.nl. Dit domein is geparkeerd voor een klant van GoedkoopHosting.

Page Load Speed

1.3 sec in total

First Response

176 ms

Resources Loaded

813 ms

Page Rendered

356 ms

delftsblauwekaarten.nl screenshot

About Website

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

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Key Findings

We analyzed Delftsblauwekaarten.nl page load time and found that the first response time was 176 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

delftsblauwekaarten.nl performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

delftsblauwekaarten.nl

176 ms

widget.js

58 ms

background-ruit.jpg

14 ms

Titel-banner.jpg

20 ms

tab-home-ro.gif

23 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 98% of them (47 requests) were addressed to the original Delftsblauwekaarten.nl, 2% (1 request) were made to Widgets.twimg.com. The less responsive or slowest element that took the longest time to load (593 ms) belongs to the original domain Delftsblauwekaarten.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.6 kB (10%)

Content Size

740.5 kB

After Optimization

663.8 kB

  • HTML
  • Images

In fact, the total size of Delftsblauwekaarten.nl main page is 740.5 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. 40% of websites need less resources to load. Images take 703.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 31.3 kB

  • Original 36.6 kB
  • After minification 32.3 kB
  • After compression 5.3 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 4.3 kB, which is 12% 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 31.3 kB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 45.3 kB

  • Original 703.9 kB
  • After minification 658.5 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. Delftsblauwekaarten images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 10 (22%)

Requests Now

46

After Optimization

36

  • Images
  • JavaScript

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delftsblauwekaarten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

delftsblauwekaarten.nl

delftsblauwekaarten.nl

176 ms

widget.js

widget.js

58 ms

background-ruit.jpg

background-ruit.jpg

14 ms

Titel-banner.jpg

Titel-banner.jpg

20 ms

tab-home-ro.gif

tab-home-ro.gif

23 ms

tab-bestellen.gif

tab-bestellen.gif

14 ms

tab-voorbeeldkaart.gif

tab-voorbeeldkaart.gif

16 ms

tab-prijzen.gif

tab-prijzen.gif

593 ms

tab-leeg.gif

tab-leeg.gif

28 ms

tab-contact.gif

tab-contact.gif

22 ms

banner-geboortekaarten1.jpg

banner-geboortekaarten1.jpg

23 ms

banner-trouwkaarten1.jpg

banner-trouwkaarten1.jpg

29 ms

stiksellijn-horizontaal.jpg

stiksellijn-horizontaal.jpg

41 ms

vogel1-klein.gif

vogel1-klein.gif

31 ms

banner-muis.jpg

banner-muis.jpg

27 ms

button-facebook.jpg

button-facebook.jpg

36 ms

button-twitter.jpg

button-twitter.jpg

50 ms

button-blogspot.jpg

button-blogspot.jpg

31 ms

Banner-volgons.jpg

Banner-volgons.jpg

60 ms

banner-aanbieding.gif

banner-aanbieding.gif

38 ms

geboortekaart.jpg

geboortekaart.jpg

39 ms

banner-telefoon.jpg

banner-telefoon.jpg

69 ms

banner-papier.gif

banner-papier.gif

43 ms

banner-levering.gif

banner-levering.gif

56 ms

banner-geboorteposter.gif

banner-geboorteposter.gif

55 ms

banner-verzendservice.gif

banner-verzendservice.gif

56 ms

banner-links.gif

banner-links.gif

62 ms

banner-mijnervaring.jpg

banner-mijnervaring.jpg

65 ms

banner-enveloppen.jpg

banner-enveloppen.jpg

74 ms

banner-gedichten.jpg

banner-gedichten.jpg

66 ms

stiksellijn-vertikaal.jpg

stiksellijn-vertikaal.jpg

12 ms

button_geboortekaarten_ro.gif

button_geboortekaarten_ro.gif

6 ms

tab-bestellen-ro.gif

tab-bestellen-ro.gif

9 ms

tab-voorbeeldkaart-ro.gif

tab-voorbeeldkaart-ro.gif

8 ms

tab-prijzen-ro.gif

tab-prijzen-ro.gif

10 ms

tab-contact-ro.gif

tab-contact-ro.gif

10 ms

banner-trouwkaarten-ro.gif

banner-trouwkaarten-ro.gif

13 ms

banner-aanbieding-ro.gif

banner-aanbieding-ro.gif

39 ms

banner-papier-ro.gif

banner-papier-ro.gif

10 ms

banner-geboorteposter-ro.gif

banner-geboorteposter-ro.gif

11 ms

banner-links-ro.gif

banner-links-ro.gif

14 ms

banner-gedichten-ro.jpg

banner-gedichten-ro.jpg

17 ms

banner-mijnervaring-ro.jpg

banner-mijnervaring-ro.jpg

21 ms

vogel1-klein-ro.gif

vogel1-klein-ro.gif

10 ms

banner-geboortekaarten1-ro.jpg

banner-geboortekaarten1-ro.jpg

11 ms

banner-trouwkaarten1-ro.jpg

banner-trouwkaarten1-ro.jpg

15 ms

banner-enveloppen-ro.jpg

banner-enveloppen-ro.jpg

23 ms

banner-verzendservice-1.gif

banner-verzendservice-1.gif

22 ms

Accessibility Review

delftsblauwekaarten.nl accessibility score

82

Accessibility Issues

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

delftsblauwekaarten.nl best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

delftsblauwekaarten.nl SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delftsblauwekaarten.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 Delftsblauwekaarten.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

delftsblauwekaarten.nl

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