Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

henninger-turm-webcam.de

Webcam Henninger Turm Frankfurt Sachsenhausen Baudokumentation - Hi.Res.Cam

Page Load Speed

1.9 sec in total

First Response

279 ms

Resources Loaded

1.5 sec

Page Rendered

78 ms

henninger-turm-webcam.de screenshot

About Website

Welcome to henninger-turm-webcam.de homepage info - get ready to check Henninger Turm Webcam best content for Germany right away, or after learning these important things about henninger-turm-webcam.de

Hochaufl?sendes Kamerasystem zur fotografischen Baudokumentation mit Blick auf den Henninger Turm in Frankfurt Sachsenhausen

Visit henninger-turm-webcam.de

Key Findings

We analyzed Henninger-turm-webcam.de page load time and found that the first response time was 279 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

henninger-turm-webcam.de performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

henninger-turm-webcam.de

279 ms

henninger-turm-webcam.de

384 ms

gtm.js

58 ms

loader.js

23 ms

dhtmlxmenu_dhx_black.css

133 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 87% of them (20 requests) were addressed to the original Henninger-turm-webcam.de, 9% (2 requests) were made to App.usercentrics.eu and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (708 ms) belongs to the original domain Henninger-turm-webcam.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 472.5 kB (57%)

Content Size

834.3 kB

After Optimization

361.7 kB

In fact, the total size of Henninger-turm-webcam.de main page is 834.3 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. 20% of websites need less resources to load. Javascripts take 744.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 5.0 kB

  • Original 6.6 kB
  • After minification 6.5 kB
  • After compression 1.6 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 5.0 kB or 76% of the original size.

Image Optimization

-82%

Potential reduce by 19.8 kB

  • Original 24.1 kB
  • After minification 4.3 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, Henninger Turm Webcam needs image optimization as it can save up to 19.8 kB or 82% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 397.2 kB

  • Original 744.0 kB
  • After minification 709.8 kB
  • After compression 346.8 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 397.2 kB or 53% of the original size.

CSS Optimization

-85%

Potential reduce by 50.5 kB

  • Original 59.5 kB
  • After minification 46.9 kB
  • After compression 9.1 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. Henninger-turm-webcam.de needs all CSS files to be minified and compressed as it can save up to 50.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (67%)

Requests Now

21

After Optimization

7

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Henninger Turm Webcam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

henninger-turm-webcam.de accessibility score

79

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

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

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.

Best Practices

henninger-turm-webcam.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

henninger-turm-webcam.de SEO score

92

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Henninger-turm-webcam.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 Henninger-turm-webcam.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 Henninger Turm Webcam. 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: