Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

hemel.waarnemen.com

hemel.waarnemen.com - De sterrenhemel voor Nederland en België

Page Load Speed

5.7 sec in total

First Response

888 ms

Resources Loaded

3.4 sec

Page Rendered

1.4 sec

hemel.waarnemen.com screenshot

About Website

Visit hemel.waarnemen.com now to see the best up-to-date Hemel Waarnem En content for Netherlands and also check out these interesting facts you probably never knew about hemel.waarnemen.com

hemel.waarnemen.com biedt informatie over verschijnselen aan de sterrenhemel voor Nederland en België in het Nederlands/Vlaams.

Visit hemel.waarnemen.com

Key Findings

We analyzed Hemel.waarnemen.com page load time and found that the first response time was 888 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

hemel.waarnemen.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value3.1 s

92/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.332

34/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

hemel.waarnemen.com

888 ms

hemel.css

193 ms

like.php

119 ms

widgets.js

37 ms

gc_button1.gif

75 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 51% of them (55 requests) were addressed to the original Hemel.waarnemen.com, 17% (18 requests) were made to Pbs.twimg.com and 11% (12 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Hemel.waarnemen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.4 kB (45%)

Content Size

662.8 kB

After Optimization

367.4 kB

In fact, the total size of Hemel.waarnemen.com main page is 662.8 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. 50% of websites need less resources to load. Images take 334.6 kB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 253.9 kB

  • Original 274.1 kB
  • After minification 215.5 kB
  • After compression 20.3 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 58.7 kB, which is 21% 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 253.9 kB or 93% of the original size.

Image Optimization

-8%

Potential reduce by 26.9 kB

  • Original 334.6 kB
  • After minification 307.7 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. Hemel Waarnem En images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 14.4 kB

  • Original 53.7 kB
  • After minification 53.7 kB
  • After compression 39.3 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 14.4 kB or 27% of the original size.

CSS Optimization

-56%

Potential reduce by 200 B

  • Original 356 B
  • After minification 297 B
  • After compression 156 B

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. Hemel.waarnemen.com needs all CSS files to be minified and compressed as it can save up to 200 B or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (41%)

Requests Now

105

After Optimization

62

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hemel Waarnem En. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hemel.waarnemen.com accessibility score

90

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

hemel.waarnemen.com best practices score

75

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

hemel.waarnemen.com SEO score

69

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

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 Hemel.waarnemen.com 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 Hemel.waarnemen.com 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

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