Tools & Wizards About Us
leesmap.nl screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

leesmap.nl

De voordeligste leesmap van Nederland. Bekijk onze aanbiedingen! | Leesmap.nl

Page Load Speed

2.9 sec in total

First Response

351 ms

Resources Loaded

2 sec

Page Rendered

563 ms

leesmap.nl screenshot

About Website

Click here to check amazing Leesmap content for Netherlands. Otherwise, check out these important facts you probably never knew about leesmap.nl

Leesmap.nl is de marktleider in Nederland op het gebied van leesmappen. De bezorging van de leesmap is in heel Nederland. Bij een abonnement op onze leesmap ontvangt u o.a gratis een tablet pc, senseo...

Visit leesmap.nl

Key Findings

We analyzed Leesmap.nl page load time and found that the first response time was 351 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

leesmap.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

82/100

25%

SI (Speed Index)

Value5.0 s

62/100

10%

TBT (Total Blocking Time)

Value1,130 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.384

27/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

leesmap.nl

351 ms

www.leesmap.nl

768 ms

gtm.js

77 ms

jquery.js

188 ms

uikit.min.css

23 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 70% of them (31 requests) were addressed to the original Leesmap.nl, 11% (5 requests) were made to Googletagmanager.com and 9% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (768 ms) belongs to the original domain Leesmap.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.6 kB (12%)

Content Size

374.1 kB

After Optimization

328.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leesmap.nl main page is 374.1 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. 55% of websites need less resources to load. Images take 187.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 44.8 kB

  • Original 55.1 kB
  • After minification 47.0 kB
  • After compression 10.3 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 8.0 kB, which is 15% 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 44.8 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 34 B

  • Original 187.5 kB
  • After minification 187.5 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. Leesmap images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 426 B

  • Original 121.6 kB
  • After minification 121.6 kB
  • After compression 121.1 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

-4%

Potential reduce by 431 B

  • Original 10.0 kB
  • After minification 10.0 kB
  • After compression 9.5 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. Leesmap.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (38%)

Requests Now

42

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leesmap. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

leesmap.nl

leesmap.nl

351 ms

www.leesmap.nl

www.leesmap.nl

768 ms

gtm.js

gtm.js

77 ms

jquery.js

jquery.js

188 ms

uikit.min.css

uikit.min.css

23 ms

style.css

style.css

389 ms

font-awesome.css

font-awesome.css

391 ms

view.css

view.css

390 ms

selector.js

selector.js

420 ms

uikit.min.js

uikit.min.js

465 ms

uikit-icons.min.js

uikit-icons.min.js

420 ms

script.js

script.js

464 ms

picturefill.js

picturefill.js

482 ms

view.js

view.js

464 ms

js

js

74 ms

js

js

73 ms

analytics.js

analytics.js

22 ms

collect

collect

32 ms

collect

collect

393 ms

fbevents.js

fbevents.js

207 ms

gtm.js

gtm.js

172 ms

leesmap.png

leesmap.png

151 ms

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568ac978a3fa2c3c83f0938e7600edf6.jpg

151 ms

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8c23414eb595e6cea11ec35db9c5e264.jpg

151 ms

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21a7102648cc17c642498cba7cbafd84.jpg

150 ms

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aaa6f28fc1d7fc4f369e63811b90bbfa.jpg

150 ms

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62b3340801a7341c1fccdc638fe32242.jpg

150 ms

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be4037dea3253465d9f1e3d77614aba0.jpg

255 ms

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d092c1e593682cd5cc27852f7b58f5e3.jpg

254 ms

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3f76f9416ef39e300cee6a59a0f72e53.jpg

254 ms

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d37e344067842154d97154a47d7190af.jpg

254 ms

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5e3d6d63afce411a68a3350aa4092f25.jpg

254 ms

5caf913288d6a88dfe5cd54105638e86.jpg

5caf913288d6a88dfe5cd54105638e86.jpg

401 ms

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5add92acdbfefea6de21c52ed9f1e555.jpg

402 ms

cdf9e570077210b9a2f965599c3aea8e.jpg

cdf9e570077210b9a2f965599c3aea8e.jpg

402 ms

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9d259b206cbb8e6d1197d506ffd1552a.jpg

401 ms

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9b4f1c38a3f67e00f9073f9fdcccc5c8.jpg

460 ms

5c2c11690bdacf2bf6c58b43be98fed8.jpg

5c2c11690bdacf2bf6c58b43be98fed8.jpg

401 ms

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0903454e6998b0afcb21a49e382cdcf5.jpg

402 ms

6ced0ff67771ec011129167eba088ecd.jpg

6ced0ff67771ec011129167eba088ecd.jpg

427 ms

ga-audiences

ga-audiences

216 ms

js

js

104 ms

collect

collect

9 ms

collect

collect

6 ms

Accessibility Review

leesmap.nl accessibility score

82

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.

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

leesmap.nl best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

leesmap.nl SEO score

89

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

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

    NL

  • Encoding

    UTF-8

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

leesmap.nl

Open Graph data is detected on the main page of Leesmap. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: