Tools & Wizards About Us
oper-frankfurt.de screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

oper-frankfurt.de

Oper Frankfurt

Page Load Speed

3 sec in total

First Response

278 ms

Resources Loaded

2.5 sec

Page Rendered

239 ms

oper-frankfurt.de screenshot

About Website

Visit oper-frankfurt.de now to see the best up-to-date Oper Frankfurt content for Germany and also check out these interesting facts you probably never knew about oper-frankfurt.de

Offizielle Homepage der Oper Frankfurt

Visit oper-frankfurt.de

Key Findings

We analyzed Oper-frankfurt.de page load time and found that the first response time was 278 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

oper-frankfurt.de performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.524

15/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

oper-frankfurt.de

278 ms

532 ms

jquery-1.3.2.min.js

569 ms

jscripts.js

267 ms

prettyPhoto.css

354 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 95% of them (35 requests) were addressed to the original Oper-frankfurt.de, 5% (2 requests) were made to Statistik.web5.inm.de. The less responsive or slowest element that took the longest time to load (859 ms) relates to the external source Statistik.web5.inm.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.5 kB (24%)

Content Size

812.2 kB

After Optimization

614.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oper-frankfurt.de main page is 812.2 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. 15% of websites need less resources to load. Images take 556.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 26.3 kB

  • Original 34.0 kB
  • After minification 25.9 kB
  • After compression 7.7 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 8.1 kB, which is 24% 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 26.3 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 10.0 kB

  • Original 556.0 kB
  • After minification 546.0 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. Oper Frankfurt images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 116.0 kB

  • Original 168.4 kB
  • After minification 166.1 kB
  • After compression 52.4 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 116.0 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 45.2 kB

  • Original 53.8 kB
  • After minification 39.3 kB
  • After compression 8.5 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. Oper-frankfurt.de needs all CSS files to be minified and compressed as it can save up to 45.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (34%)

Requests Now

35

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oper Frankfurt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

oper-frankfurt.de

oper-frankfurt.de

278 ms

532 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

569 ms

jscripts.js

jscripts.js

267 ms

prettyPhoto.css

prettyPhoto.css

354 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

363 ms

main.css

main.css

182 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

583 ms

mediaelementplayer.min.css

mediaelementplayer.min.css

453 ms

slim_base.css

slim_base.css

93 ms

nav_vlist.css

nav_vlist.css

94 ms

basemod.css

basemod.css

91 ms

content.css

content.css

94 ms

print_draft.css

print_draft.css

91 ms

print_base.css

print_base.css

93 ms

01.jpg

01.jpg

369 ms

06_Slider_Stiffelio.jpg

06_Slider_Stiffelio.jpg

287 ms

07_Cantatrici_Slider.jpg

07_Cantatrici_Slider.jpg

188 ms

09_hollaender_slider-2.jpg

09_hollaender_slider-2.jpg

289 ms

11_sussanin_slider.jpg

11_sussanin_slider.jpg

371 ms

13_Slider_Maedchen.jpg

13_Slider_Maedchen.jpg

374 ms

15_rosenkavlier_slider.jpg

15_rosenkavlier_slider.jpg

364 ms

Z_Oper_Aussenaufnahme_slider.jpg

Z_Oper_Aussenaufnahme_slider.jpg

560 ms

saison-12-13-de.png

saison-12-13-de.png

380 ms

piau_LA_news.jpg

piau_LA_news.jpg

453 ms

trttico_Lucic_news.jpg

trttico_Lucic_news.jpg

458 ms

Cesare_WA16_news.jpg

Cesare_WA16_news.jpg

458 ms

stiffelio_news_II.jpg

stiffelio_news_II.jpg

460 ms

Messiah_news_II.jpg

Messiah_news_II.jpg

470 ms

oper_o_grenzen_mendl.jpg

oper_o_grenzen_mendl.jpg

540 ms

Opernhaus_Jahres_news.jpg

Opernhaus_Jahres_news.jpg

549 ms

RING_DVD_news_II.jpg

RING_DVD_news_II.jpg

546 ms

ka_pfeil_rechts.gif

ka_pfeil_rechts.gif

548 ms

Stiffelio-Teaserbild.jpg

Stiffelio-Teaserbild.jpg

651 ms

Opernwelt-OpernhausdesJahres.png

Opernwelt-OpernhausdesJahres.png

629 ms

piwik.js

piwik.js

859 ms

piwik.php

piwik.php

179 ms

Accessibility Review

oper-frankfurt.de accessibility score

87

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

oper-frankfurt.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

oper-frankfurt.de SEO score

90

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

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

    DE

  • Encoding

    UTF-8

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

oper-frankfurt.de

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