Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

ife-institut.de

IFE - Institut für Energieeffizienz

Page Load Speed

7.2 sec in total

First Response

386 ms

Resources Loaded

6.4 sec

Page Rendered

420 ms

ife-institut.de screenshot

About Website

Click here to check amazing IFE Institut content. Otherwise, check out these important facts you probably never knew about ife-institut.de

ISPEX Energiemanagement. Beratung. Strom und Gas. Optimierung von Kosten für Energie. Kundenorientiert und unabhängig von Versorgern. Wir vertreten Ihre Interessen

Visit ife-institut.de

Key Findings

We analyzed Ife-institut.de page load time and found that the first response time was 386 ms and then it took 6.8 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

ife-institut.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

ife-institut.de

386 ms

339 ms

1069 ms

font-awesome.min.css

28 ms

wp-emoji-release.min.js

436 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ife-institut.de, 84% (57 requests) were made to Ispex.de and 6% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Ispex.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 786.3 kB (37%)

Content Size

2.1 MB

After Optimization

1.3 MB

In fact, the total size of Ife-institut.de 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 27.9 kB

  • Original 36.6 kB
  • After minification 33.5 kB
  • After compression 8.6 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 27.9 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 86.0 kB

  • Original 1.1 MB
  • After minification 1.0 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. IFE Institut images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 516.6 kB

  • Original 770.5 kB
  • After minification 760.9 kB
  • After compression 254.0 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 516.6 kB or 67% of the original size.

CSS Optimization

-74%

Potential reduce by 155.8 kB

  • Original 211.4 kB
  • After minification 172.7 kB
  • After compression 55.6 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. Ife-institut.de needs all CSS files to be minified and compressed as it can save up to 155.8 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (48%)

Requests Now

60

After Optimization

31

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IFE Institut. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ife-institut.de accessibility score

78

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

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

Form elements do not have associated labels

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ife-institut.de best practices score

67

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

ife-institut.de SEO score

90

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ife-institut.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ife-institut.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

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