Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

gasometer.cc

Führungen in den Wiener Gasometern - Die Gasometer von Wien

Page Load Speed

2.1 sec in total

First Response

444 ms

Resources Loaded

1.6 sec

Page Rendered

70 ms

gasometer.cc screenshot

About Website

Visit gasometer.cc now to see the best up-to-date Gasometer content and also check out these interesting facts you probably never knew about gasometer.cc

Wir bieten Einblicke in die Architektur, Geschichte und Technik der Gasometer für Reisegruppen, Schulklassen (Wienwoche) und auch Fachpublikum (Studenten, Archi…

Visit gasometer.cc

Key Findings

We analyzed Gasometer.cc page load time and found that the first response time was 444 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

gasometer.cc performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

gasometer.cc

444 ms

www.gasometer.cc

465 ms

reset.css

118 ms

skeleton.css

317 ms

kicons.css

317 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 50% of them (8 requests) were addressed to the original Gasometer.cc, 31% (5 requests) were made to Fonts.gstatic.com and 13% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (465 ms) belongs to the original domain Gasometer.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 11.3 kB (22%)

Content Size

52.2 kB

After Optimization

40.9 kB

In fact, the total size of Gasometer.cc main page is 52.2 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. 20% of websites need less resources to load. Javascripts take 34.0 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 4.5 kB

  • Original 6.9 kB
  • After minification 6.8 kB
  • After compression 2.4 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 4.5 kB or 65% of the original size.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 34.0 kB
  • After minification 34.0 kB
  • After compression 34.0 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.

CSS Optimization

-60%

Potential reduce by 6.8 kB

  • Original 11.3 kB
  • After minification 8.3 kB
  • After compression 4.5 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. Gasometer.cc needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (67%)

Requests Now

9

After Optimization

3

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gasometer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

gasometer.cc accessibility score

63

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

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

gasometer.cc best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

gasometer.cc SEO score

100

Search Engine Optimization Advices

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 Gasometer.cc 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 Gasometer.cc 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 data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: