Report Summary

  • 75

    Performance

    Renders faster than
    84% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

comparemysolar.nl

CompareMySolar: Vergelijken van zonnepanelen prijs en installateurs

Page Load Speed

3.1 sec in total

First Response

302 ms

Resources Loaded

2.6 sec

Page Rendered

176 ms

comparemysolar.nl screenshot

About Website

Visit comparemysolar.nl now to see the best up-to-date Compare My Solar content for Netherlands and also check out these interesting facts you probably never knew about comparemysolar.nl

Vergelijken van de beste zonnepanelen prijs van lokale installateurs, bereken opbrengst en potentie van je eigen dak, gratis en binnen 3 minuten op je scherm

Visit comparemysolar.nl

Key Findings

We analyzed Comparemysolar.nl page load time and found that the first response time was 302 ms and then it took 2.8 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

comparemysolar.nl performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

comparemysolar.nl

302 ms

v2.css

92 ms

jquery.jRating.css

171 ms

combined.css

446 ms

jquery.1.8.3.js

1715 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 62% of them (39 requests) were addressed to the original Comparemysolar.nl, 10% (6 requests) were made to Maps.googleapis.com and 5% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Comparemysolar.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 800.2 kB (51%)

Content Size

1.6 MB

After Optimization

770.6 kB

In fact, the total size of Comparemysolar.nl main page is 1.6 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. 70% of websites need less resources to load. Javascripts take 833.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.8 kB

  • Original 32.3 kB
  • After minification 26.7 kB
  • After compression 7.5 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 5.6 kB, which is 17% 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 24.8 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 12.0 kB

  • Original 430.7 kB
  • After minification 418.7 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. Compare My Solar images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 536.0 kB

  • Original 833.1 kB
  • After minification 805.9 kB
  • After compression 297.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 536.0 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 227.4 kB

  • Original 274.6 kB
  • After minification 268.9 kB
  • After compression 47.2 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. Comparemysolar.nl needs all CSS files to be minified and compressed as it can save up to 227.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (59%)

Requests Now

58

After Optimization

24

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Compare My Solar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

comparemysolar.nl accessibility score

65

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

Image elements do not have [alt] attributes

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

comparemysolar.nl best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

comparemysolar.nl SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    ISO-8859-1

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

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