Access detlef-heinsohn.de. Bücherantiquariat vor allem von Kinderbüchern von Christine und Detlef Heinsohn

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

detlef-heinsohn.de

313 ms

detlef-heinsohn.de

532 ms

js

99 ms

seal.min.js

253 ms

blegtext.gif

156 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 95% of them (59 requests) were addressed to the original Detlef-heinsohn.de, 3% (2 requests) were made to Seal.digicert.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (8.6 sec) belongs to the original domain Detlef-heinsohn.de.

Content Size

32.6 MB

After Optimization

31.1 MB

In fact, the total size of Detlef-heinsohn.de main page is 32.6 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. 50% of websites need less resources to load. Images take 32.6 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 74.7 kB

Original 84.0 kB
After minification 75.9 kB
After compression 9.4 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 74.7 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 1.4 MB

Original 32.6 MB
After minification 31.1 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. Detlef Heinsohn images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 4.5 kB

Original 7.7 kB
After minification 7.7 kB
After compression 3.2 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 4.5 kB or 58% of the original size.

Requests Now

After Optimization

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Detlef Heinsohn. According to our analytics all requests are already optimized.

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Search Engine Optimization Advices

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

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Detlef-heinsohn.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 Detlef-heinsohn.de 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

detlef-heinsohn.de

Open Graph description is not detected on the main page of Detlef Heinsohn. 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

Bücherantiquariat vor allem von Kinderbüchern von Christine und Detlef Heinsohn

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

detlef-heinsohn.de

detlef-heinsohn.de

js

seal.min.js

blegtext.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

detlef-heinsohn.de

detlef-heinsohn.de

js

seal.min.js

blegtext.gif

leit-autoren.jpg

leit-figuren.jpg

leit-abenteuer.jpg

leit-kinder.jpg

leit-maedchen.jpg

leit-jungen.jpg

leit-bb.jpg

leit-maerchen.jpg

leit-buchreihen-hardcover.jpg

leit-buchreihen-TB.jpg

leit-bb-reihen.jpg

leit-heftreihen.jpg

leit-kleineki.jpg

leit-sachbuecher.jpg

leit-schulbuecher.jpg

leit-comics.jpg

ki-gesch-leit1.jpg

jahrbuecher-leit1.JPG

kinderbuchgeschichte-leit1.jpg

leit-tiere.jpg

literatur-leit1.JPG

hobby-leit1.JPG

zeitung-leit1.JPG

fleiss79.jpg

leit-noten-instrumente.jpg

marken-leit.JPG

leit-besonderheiten.jpg

pk-leit1.JPG

leit-papier.jpg

ob-leit.jpg

bilderbogen-leit1.jpg

bilder-leit.jpg

film2.JPG

werbung-veranst-leit.jpg

platt-leit1.jpg

fliegende-bl-leit.JPG

rororo-leit2.jpg

mode-leit1.jpg

leit-sammelbilder.jpg