Tools & Wizards About Us
geschichtsatlas.de screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    54% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 63% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

geschichtsatlas.de

Bildung in Niedersachsen - Niedersächsischer Bildungsserver

Page Load Speed

1.8 sec in total

First Response

363 ms

Resources Loaded

1.3 sec

Page Rendered

189 ms

geschichtsatlas.de screenshot

About Website

Welcome to geschichtsatlas.de homepage info - get ready to check Geschichtsatlas best content for Germany right away, or after learning these important things about geschichtsatlas.de

Der NiBiS bietet aktuelle Informationen über bildungsrelevante Themen, ein umfangreiches Angebot an Materialien und Internetressourcen für den Unterricht.

Visit geschichtsatlas.de

Key Findings

We analyzed Geschichtsatlas.de page load time and found that the first response time was 363 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

geschichtsatlas.de performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.339

33/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

geschichtsatlas.de

363 ms

header_index.html

114 ms

left_index.html

218 ms

body_index.html

213 ms

footer_defaultmasterborder.html

213 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Geschichtsatlas.de and no external sources were called. The less responsive or slowest element that took the longest time to load (586 ms) belongs to the original domain Geschichtsatlas.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.6 kB (7%)

Content Size

67.6 kB

After Optimization

63.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Geschichtsatlas.de main page is 67.6 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. Only 10% of websites need less resources to load. Images take 61.3 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 671 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 461 B

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 671 B or 59% of the original size.

Image Optimization

-0%

Potential reduce by 105 B

  • Original 61.3 kB
  • After minification 61.2 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. Geschichtsatlas images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 3.8 kB

  • Original 5.2 kB
  • After minification 4.1 kB
  • After compression 1.3 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 3.8 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

35

After Optimization

35

  • AJAX
  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Geschichtsatlas. According to our analytics all requests are already optimized.

Network Requests Diagram

geschichtsatlas.de

geschichtsatlas.de

363 ms

header_index.html

header_index.html

114 ms

left_index.html

left_index.html

218 ms

body_index.html

body_index.html

213 ms

footer_defaultmasterborder.html

footer_defaultmasterborder.html

213 ms

rollover.js

rollover.js

107 ms

mitte_gesch.jpg

mitte_gesch.jpg

101 ms

clearpixel.gif

clearpixel.gif

102 ms

bg_w.gif

bg_w.gif

102 ms

bg_gr_interl.gif

bg_gr_interl.gif

99 ms

pfeil_r.gif

pfeil_r.gif

195 ms

meld_start_2014_grey.gif

meld_start_2014_grey.gif

293 ms

unten_gesch.jpg

unten_gesch.jpg

195 ms

oben_gesch_neu.jpg

oben_gesch_neu.jpg

495 ms

nav4.gif

nav4.gif

190 ms

nav3.gif

nav3.gif

586 ms

nav2.gif

nav2.gif

282 ms

nav1.gif

nav1.gif

285 ms

links_gesch.jpg

links_gesch.jpg

289 ms

Startseite_Hnavi_farb_fett.gif

Startseite_Hnavi_farb_fett.gif

373 ms

Beitr_ge_Nnavi_h.gif

Beitr_ge_Nnavi_h.gif

374 ms

Partner_Nnavi_h.gif

Partner_Nnavi_h.gif

377 ms

Archiv_Nnavi_h.gif

Archiv_Nnavi_h.gif

381 ms

Kontakt_Nnavi_h.gif

Kontakt_Nnavi_h.gif

469 ms

Impressum_Nnavi_h.gif

Impressum_Nnavi_h.gif

470 ms

mk_partner.gif

mk_partner.gif

471 ms

nav4b.gif

nav4b.gif

299 ms

nav2b.gif

nav2b.gif

293 ms

nav1b.gif

nav1b.gif

290 ms

Startseite_HRnavi_farb_fett.gif

Startseite_HRnavi_farb_fett.gif

193 ms

Beitr_ge_NRnavi_fett.gif

Beitr_ge_NRnavi_fett.gif

205 ms

Partner_NRnavi_fett.gif

Partner_NRnavi_fett.gif

209 ms

Archiv_NRnavi_fett.gif

Archiv_NRnavi_fett.gif

282 ms

Kontakt_NRnavi_fett.gif

Kontakt_NRnavi_fett.gif

194 ms

Impressum_NRnavi_fett.gif

Impressum_NRnavi_fett.gif

194 ms

nav3b.gif

nav3b.gif

101 ms

Accessibility Review

geschichtsatlas.de accessibility score

86

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

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.

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

Best Practices

geschichtsatlas.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

geschichtsatlas.de SEO score

91

Search Engine Optimization Advices

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

    ISO-8859-1

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

geschichtsatlas.de

Open Graph description is not detected on the main page of Geschichtsatlas. 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: