Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

vattenfall.fi

Fossiilivapaata sähköä kaikkialle Suomeen - Vattenfall

Page Load Speed

6.5 sec in total

First Response

271 ms

Resources Loaded

5.4 sec

Page Rendered

898 ms

vattenfall.fi screenshot

About Website

Visit vattenfall.fi now to see the best up-to-date Vattenfall content for Finland and also check out these interesting facts you probably never knew about vattenfall.fi

Myymme fossiilivapaata sähköä kaikkialle Suomeen. Me Vattenfallilla olemme päättäneet mahdollistaa fossiilivapaan elämän.

Visit vattenfall.fi

Key Findings

We analyzed Vattenfall.fi page load time and found that the first response time was 271 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

vattenfall.fi performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

vattenfall.fi

271 ms

vattenfall.fi

369 ms

www.vattenfall.fi

670 ms

main-22400e776a.css

1182 ms

vendor-6c01d9f668.js

742 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 84% of them (38 requests) were addressed to the original Vattenfall.fi, 9% (4 requests) were made to Cdn.consentmanager.net and 4% (2 requests) were made to C.delivery.consentmanager.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Vattenfall.fi.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.7 kB (13%)

Content Size

2.1 MB

After Optimization

1.9 MB

In fact, the total size of Vattenfall.fi main page is 2.1 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 114.0 kB

  • Original 139.9 kB
  • After minification 128.0 kB
  • After compression 25.9 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 114.0 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 56.8 kB

  • Original 1.4 MB
  • After minification 1.4 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. Vattenfall images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 40.1 kB

  • Original 310.6 kB
  • After minification 310.6 kB
  • After compression 270.5 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 40.1 kB or 13% of the original size.

CSS Optimization

-23%

Potential reduce by 54.9 kB

  • Original 242.6 kB
  • After minification 242.6 kB
  • After compression 187.7 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. Vattenfall.fi needs all CSS files to be minified and compressed as it can save up to 54.9 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (17%)

Requests Now

35

After Optimization

29

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vattenfall. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vattenfall.fi accessibility score

85

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

vattenfall.fi 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

vattenfall.fi SEO score

86

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

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

Language and Encoding

  • Language Detected

    FI

  • Language Claimed

    FI

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vattenfall.fi can be misinterpreted by Google and other search engines. Our service has detected that Finnish is used on the page, and it matches the claimed language. Our system also found out that Vattenfall.fi 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 description is not detected on the main page of Vattenfall. 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: