Tools & Wizards About Us
amsterdamsegrachtenhuizen.info screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

amsterdamsegrachtenhuizen.info

Amsterdamse Grachtenhuizen | Amsterdamse grachtenhuizen

Page Load Speed

3.5 sec in total

First Response

578 ms

Resources Loaded

2.8 sec

Page Rendered

151 ms

amsterdamsegrachtenhuizen.info screenshot

About Website

Click here to check amazing Amsterdamse Grachtenhuizen content. Otherwise, check out these important facts you probably never knew about amsterdamsegrachtenhuizen.info

Amsterdam, Panorama van de grachten van Amsterdam, Herengracht, Keizersgracht, het Singel, Prinsengracht, Bloemgracht, Foto, Tekeningen, beschrijving grachtenhuizen

Visit amsterdamsegrachtenhuizen.info

Key Findings

We analyzed Amsterdamsegrachtenhuizen.info page load time and found that the first response time was 578 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

amsterdamsegrachtenhuizen.info performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

www.amsterdamsegrachtenhuizen.info

578 ms

stylesheet_b429788ff1.css

240 ms

mainstyles.css

358 ms

rte.css

240 ms

jquery-1.4.2.min.js

599 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 97% of them (60 requests) were addressed to the original Amsterdamsegrachtenhuizen.info, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Amsterdamsegrachtenhuizen.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.1 kB (33%)

Content Size

476.8 kB

After Optimization

317.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Amsterdamsegrachtenhuizen.info main page is 476.8 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. 25% of websites need less resources to load. Images take 303.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 21.9 kB

  • Original 27.6 kB
  • After minification 26.4 kB
  • After compression 5.7 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 21.9 kB or 79% of the original size.

Image Optimization

-14%

Potential reduce by 43.0 kB

  • Original 303.9 kB
  • After minification 260.8 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. Obviously, Amsterdamse Grachtenhuizen needs image optimization as it can save up to 43.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 52.5 kB

  • Original 96.2 kB
  • After minification 94.7 kB
  • After compression 43.7 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 52.5 kB or 55% of the original size.

CSS Optimization

-85%

Potential reduce by 41.8 kB

  • Original 49.1 kB
  • After minification 34.2 kB
  • After compression 7.4 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. Amsterdamsegrachtenhuizen.info needs all CSS files to be minified and compressed as it can save up to 41.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (38%)

Requests Now

61

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Amsterdamse Grachtenhuizen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.amsterdamsegrachtenhuizen.info

www.amsterdamsegrachtenhuizen.info

578 ms

stylesheet_b429788ff1.css

stylesheet_b429788ff1.css

240 ms

mainstyles.css

mainstyles.css

358 ms

rte.css

rte.css

240 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

599 ms

skin2.js

skin2.js

246 ms

core.js

core.js

246 ms

jquery.scrollTo-min.js

jquery.scrollTo-min.js

361 ms

javascript_93077bb238.js

javascript_93077bb238.js

353 ms

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131 ms

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124 ms

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127 ms

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122 ms

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126 ms

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129 ms

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247 ms

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243 ms

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243 ms

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239 ms

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248 ms

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250 ms

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356 ms

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360 ms

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361 ms

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363 ms

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365 ms

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367 ms

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478 ms

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477 ms

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479 ms

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481 ms

site_bg.gif

site_bg.gif

483 ms

upper_menu_bg.gif

upper_menu_bg.gif

485 ms

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592 ms

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593 ms

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596 ms

canvas.png

canvas.png

603 ms

Site-home-5.jpg

Site-home-5.jpg

1188 ms

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614 ms

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823 ms

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830 ms

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721 ms

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732 ms

ga.js

ga.js

4 ms

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826 ms

__utm.gif

__utm.gif

12 ms

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732 ms

follow_fb.gif

follow_fb.gif

821 ms

follow_twitter.gif

follow_twitter.gif

820 ms

dotted_line.gif

dotted_line.gif

828 ms

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833 ms

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844 ms

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822 ms

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821 ms

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829 ms

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835 ms

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959 ms

alternet_grey.gif

alternet_grey.gif

932 ms

Publiceer.gif

Publiceer.gif

824 ms

alternet_grey_01.gif

alternet_grey_01.gif

830 ms

Ontwikkel.gif

Ontwikkel.gif

836 ms

Accessibility Review

amsterdamsegrachtenhuizen.info accessibility score

60

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

amsterdamsegrachtenhuizen.info best practices score

58

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

amsterdamsegrachtenhuizen.info SEO score

67

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Amsterdamsegrachtenhuizen.info can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Amsterdamsegrachtenhuizen.info 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

amsterdamsegrachtenhuizen.info

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