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name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value17.6 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.223

56/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

postmus-sierbestrating.nl

1200 ms

jquery.min.js

8 ms

less.bootstrap.1399903989.css

259 ms

normalize.css

169 ms

main.css

170 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 63% of them (39 requests) were addressed to the original Postmus-sierbestrating.nl, 16% (10 requests) were made to Static.xx.fbcdn.net and 11% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Postmus-sierbestrating.nl.

Content Size

3.4 MB

After Optimization

2.8 MB

In fact, the total size of Postmus-sierbestrating.nl main page is 3.4 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. 45% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 36.0 kB

Original 44.5 kB
After minification 36.2 kB
After compression 8.5 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 8.3 kB, which is 19% 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 36.0 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 516.9 kB

Original 3.3 MB
After minification 2.8 MB

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, Postmus Sierbestrating needs image optimization as it can save up to 516.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Now

After Optimization

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Postmus Sierbestrating. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

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

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Links do not have a discernible name

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

NL
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Postmus-sierbestrating.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 Postmus-sierbestrating.nl 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

postmus-sierbestrating.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

One moment, please...

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

postmus-sierbestrating.nl

jquery.min.js

less.bootstrap.1399903989.css

normalize.css

main.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

postmus-sierbestrating.nl

jquery.min.js

less.bootstrap.1399903989.css

normalize.css

main.css

jquery.fancybox.css

jquery.bxslider.css

less.layout.1432892337.css

less.webwinkel.1399904001.css

modernizr-2.6.2.min.js

plugins.js

main.js

webwinkel.js

logo.png

302_3d_tekening.png

30_Naamloos-1(1).jpg

303_3d_tekening4.png

305_Outlet.jpg

304_3d_tekening3.png

27_maranello2.jpg

301_voor_website.jpg

349_Naamloos-1.jpg

3d_tour_2016.png

Plaza-60x60x47-cm-Kenia.png

Plaza-Legio-grande-6-cm-wildverband-Safari-gecoat-Super-Aanbieding.jpg

no-image.png

31_DHF_3715-1200x600-px.jpg

32_achterterrein_lisse_lichter.jpg

33_zwaanshoek.jpg

34_Postmus_Opslag_600x450.jpg

all.js

glyphicons-halflings.png

content-shadow-bottom.png

icon-arrow.png

icon-newsletter-arrow.png

icon-arrow-light.png

bx_loader.gif

xd_arbiter.php

xd_arbiter.php

Plaza-20x30x47-cm-Kenia.jpg

Plaza-20x30x6-cm-Grijszwart-gecoat-Super-Aanbieding.jpg

Plaza-Legio-Grande-wildverband-47-cm-Antraciet.jpg

Plaza-60x60x6-cm-Grijszwart-gecoat-Super-Aanbieding.jpg

like_box.php

410ucuAGgaJ.css