Access sachsen.nabu.de. NABU LV Sachsen

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value1.267

1/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

sachsen.nabu.de

316 ms

sachsen.nabu.de

816 ms

merge.css

325 ms

style.css

436 ms

merge.js

1033 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 91% of them (78 requests) were addressed to the original Sachsen.nabu.de, 7% (6 requests) were made to Nabu-netz.de and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Sachsen.nabu.de.

Content Size

4.9 MB

After Optimization

4.0 MB

In fact, the total size of Sachsen.nabu.de main page is 4.9 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. 60% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 93.4 kB

Original 112.5 kB
After minification 82.7 kB
After compression 19.1 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 29.7 kB, which is 26% 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 93.4 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 66.0 kB

Original 3.8 MB
After minification 3.7 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. Sachsen NABU images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 389.4 kB

Original 560.4 kB
After minification 529.6 kB
After compression 170.9 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 389.4 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 332.5 kB

Original 386.7 kB
After minification 298.5 kB
After compression 54.2 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. Sachsen.nabu.de needs all CSS files to be minified and compressed as it can save up to 332.5 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sachsen NABU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS 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

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

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

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sachsen.nabu.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 Sachsen.nabu.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

sachsen.nabu.de

Open Graph data is detected on the main page of Sachsen NABU. 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

NABU LV Sachsen

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

sachsen.nabu.de

sachsen.nabu.de

merge.css

style.css

merge.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

sachsen.nabu.de

sachsen.nabu.de

merge.css

style.css

merge.js

custom.js

calendar.js

calendar-de.js

calendar-setup.js

print.css

close.png

loading.gif

prev.png

next.png

analytics.js

Aktive_vor_Insektenhotel_605x300.jpg

calendar-blue.css

HelferHerzen-Logo-605x300.jpg

Handy-Recycling_PhilippRothe.jpg

DorfkircheBergholz_605_HelgeMay.jpg

GrosserAbendseglerNistkasten_605_PeterHildebrandt.jpg

140916-nabu-missiongruen-aktionsbild-605x300.jpg

news-line.png

NABU_Logo_RGB_sachsen.jpg

search.gif

150310-nabu-sonnenwall-andrea-just-680x453.jpeg

150316-nabu-sattelbergwiesen-bei-oelsen-hans-juergen-hardtke-680x453.jpeg

haende_gaertnern_j_rotter_pixelio.jpeg

151009-nabu-stieglitz-4-baerbel-franzke-680x453.jpeg

150602-nabu-glyphosat-aktion-680x453.jpeg

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150318-nabu-natur-braucht-kroeten-680x453.jpeg

160308-nabu-werbeteam-uwe-schoenberner-680x453.jpeg

list-point2.png

nabu-netz2.png

160309-nabu-plakat-schmetterlingscamp-2016-uwe-schroeder-766x383.gif

160222-nabu-erdkroete-herbert-schnabel-766x383.jpeg

fittosize_766_383_80f116595b2c2b110a9461c8cf573279_150602-nabu-glyphosat-aktion-766x382.jpeg

160308-nabu-werbeteam-uwe-schoenberner-766x383.jpeg

160208-nabu-einladung-saechsischer-naturschutztag-2016-766x383.jpeg

20141013-nabu-karoten-kartoffeln-salat-sebastian-hennigs.jpeg