Access wbg-wissenverbindet.de. Online-Shop für Bücher |

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value3,550 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.68

8/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

wbg-wissenverbindet.de

274 ms

280 ms

wbg

238 ms

all.css

293 ms

jquery.min.js

75 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 65% of them (51 requests) were addressed to the original Wbg-wissenverbindet.de, 26% (20 requests) were made to Wbg-darmstadt.de and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Wbg-wissenverbindet.de.

Content Size

2.3 MB

After Optimization

962.9 kB

In fact, the total size of Wbg-wissenverbindet.de main page is 2.3 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. 55% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 100.0 kB

Original 115.7 kB
After minification 102.8 kB
After compression 15.8 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 12.9 kB, which is 11% 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 100.0 kB or 86% of the original size.

Image Optimization

-22%

Potential reduce by 186.3 kB

Original 851.6 kB
After minification 665.3 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, Wbg Wissen Verbindet needs image optimization as it can save up to 186.3 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 786.1 kB

Original 1.0 MB
After minification 879.2 kB
After compression 244.7 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 786.1 kB or 76% of the original size.

CSS Optimization

-88%

Potential reduce by 269.2 kB

Original 306.3 kB
After minification 233.5 kB
After compression 37.2 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. Wbg-wissenverbindet.de needs all CSS files to be minified and compressed as it can save up to 269.2 kB or 88% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wbg Wissen Verbindet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wbg-wissenverbindet.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Wbg-wissenverbindet.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

wbg-wissenverbindet.de

Open Graph description is not detected on the main page of Wbg Wissen Verbindet. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Online-Shop für Bücher | | wbg – Wissen verbindet

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)

Network Requests Diagram

wbg-wissenverbindet.de

wbg

all.css

jquery.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

wbg-wissenverbindet.de

wbg

all.css

jquery.min.js

jquery.main.js

dojo.js

jquery-ui.min.js

bt.js

truncate.jquery.js

MessageHelper.js

StoreCommonUtilities.js

ShoppingActionsServicesDeclaration.js

ShoppingActions.js

Search.js

CommonContextsDeclarations.js

CommonControllersDeclaration.js

ShoppingList.js

ShoppingListServicesDeclaration.js

MiniShopCartDisplay.js

Department.js

QuickInfo.js

ProductTab.js

legacy1_1.css

prum.min.js

analytics.js

linkid.js

gtm.js

transparent.gif

loading.gif

error_icon.png

success_icon.png

www.wbg-darmstadt.de

logo.gif

separator01.gif

Whitespace_940x1.jpg

Pauly-middle-size_V2.png

trasparent.gif

1016727_Deutsche-Geschichte-in-Bildern_146x173U1D.png

Themenseite_Buddhismus_20160118_698x115.png

WBG_Mitgliedschaften_animiert_700x240.gif

Studenten1_196x13px.png

MiniBanner_Magazine.png

Veranstaltungen1_196x13px.png

MiniBanner_Reisen.png