Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

iab.de

Startseite - IAB - Institut für Arbeitsmarkt- und Berufsforschung

Page Load Speed

3.2 sec in total

First Response

858 ms

Resources Loaded

1.9 sec

Page Rendered

458 ms

iab.de screenshot

About Website

Welcome to iab.de homepage info - get ready to check IAB best content for Pakistan right away, or after learning these important things about iab.de

Aktuelle Informationen aus dem IAB.

Visit iab.de

Key Findings

We analyzed Iab.de page load time and found that the first response time was 858 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

iab.de performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

iab.de

858 ms

drei_style_1.css

200 ms

jquery-1.9.1.min.js

803 ms

DefaultButton.js

203 ms

base.css

101 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Iab.de and no external sources were called. The less responsive or slowest element that took the longest time to load (858 ms) belongs to the original domain Iab.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.6 kB (28%)

Content Size

688.8 kB

After Optimization

494.3 kB

In fact, the total size of Iab.de main page is 688.8 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. 25% of websites need less resources to load. Images take 503.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 61.4 kB

  • Original 70.7 kB
  • After minification 67.6 kB
  • After compression 9.3 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. 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 61.4 kB or 87% of the original size.

Image Optimization

-11%

Potential reduce by 55.7 kB

  • Original 503.6 kB
  • After minification 447.9 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. Obviously, IAB needs image optimization as it can save up to 55.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 60.2 kB

  • Original 93.3 kB
  • After minification 92.9 kB
  • After compression 33.1 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 60.2 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 17.4 kB

  • Original 21.3 kB
  • After minification 12.9 kB
  • After compression 3.9 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. Iab.de needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (41%)

Requests Now

29

After Optimization

17

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IAB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

iab.de accessibility score

58

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

iab.de 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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

iab.de SEO score

74

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

High

Page is blocked from indexing

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

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 Iab.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 Iab.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 description is not detected on the main page of IAB. 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: