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Report Summary

About Website

Welcome to blog.vattenfall.de homepage info - get ready to check Blog Vattenfall best content for Germany right away, or after learning these important things about blog.vattenfall.de

Bleiben Sie informiert über die Vattenfall Group und aktuelle Geschehnisse rund ums Thema Energie. Lesen Sie unsere News und Pressemeldungen hier.

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

blog.vattenfall.de

752 ms

wp-emoji-release.min.js

186 ms

validationEngine.jquery.css

197 ms

styles.css

200 ms

cli-style.css

204 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 89% of them (63 requests) were addressed to the original Blog.vattenfall.de, 6% (4 requests) were made to Google.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (911 ms) belongs to the original domain Blog.vattenfall.de.

Content Size

2.0 MB

After Optimization

1.2 MB

In fact, the total size of Blog.vattenfall.de main page is 2.0 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. Images take 982.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 75.0 kB

Original 89.9 kB
After minification 76.1 kB
After compression 15.0 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 13.8 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 75.0 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 30.0 kB

Original 982.6 kB
After minification 952.6 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. Blog Vattenfall images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 336.0 kB

Original 479.6 kB
After minification 436.8 kB
After compression 143.7 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 336.0 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 359.9 kB

Original 424.6 kB
After minification 414.7 kB
After compression 64.7 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. Blog.vattenfall.de needs all CSS files to be minified and compressed as it can save up to 359.9 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog 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 24 to 1 for JavaScripts and from 11 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 IDs are not unique

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

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blog.vattenfall.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Blog.vattenfall.de 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

blog.vattenfall.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Vattenfall Group - News - Presse - Vattenfall

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)