Tools & Wizards About Us

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

hannover-airport.de

Informationen für Fluggäste und Besucher - Hannover Airport

Page Load Speed

5.7 sec in total

First Response

292 ms

Resources Loaded

5 sec

Page Rendered

370 ms

About Website

Click here to check amazing Hannover Airport content for Germany. Otherwise, check out these important facts you probably never knew about hannover-airport.de

Rund ums Fliegen ab Hannover ✈ Flugzeiten ✓ Flugziele ✓ Check-in ✓ Gepäck ✓ Erlebnis für Gruppen ✓ günstig Parken ✓ Erlebniswelt ✓

Visit hannover-airport.de

Key Findings

We analyzed Hannover-airport.de page load time and found that the first response time was 292 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

hannover-airport.de performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

hannover-airport.de

292 ms

hannover-airport.de

1680 ms

informationen-fuer-fluggaeste-und-besucher

223 ms

merged-bdf268f93d22d481c8504f3848dbf7c2-a66e3102d9712cd69bf3545da92e0786.css

317 ms

merged-f307c2d8e582f2ee35e06848584df5b1-59735820f49c44e6f8e5307d78db4844.css

315 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 69% of them (38 requests) were addressed to the original Hannover-airport.de, 27% (15 requests) were made to Ad.hannover-airport.de and 2% (1 request) were made to Cdn.polyfill.io. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Hannover-airport.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 69.5 kB (8%)

Content Size

917.2 kB

After Optimization

847.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Hannover-airport.de main page is 917.2 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. 30% of websites need less resources to load. Images take 814.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 54.3 kB

  • Original 66.1 kB
  • After minification 57.3 kB
  • After compression 11.8 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 8.9 kB, which is 13% 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 54.3 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 15.1 kB

  • Original 814.9 kB
  • After minification 799.8 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. Hannover Airport images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 149 B

  • Original 36.2 kB
  • After minification 36.2 kB
  • After compression 36.0 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 15 (33%)

Requests Now

45

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hannover Airport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

hannover-airport.de accessibility score

78

Accessibility Issues

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

hannover-airport.de best practices score

75

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

Page has valid source maps

SEO Factors

hannover-airport.de SEO score

85

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

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

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 Hannover-airport.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 Hannover-airport.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 Hannover Airport. 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: