Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

obvsg.at

OBVSG: OBVSG Home

Page Load Speed

25.8 sec in total

First Response

510 ms

Resources Loaded

14.4 sec

Page Rendered

10.9 sec

obvsg.at screenshot

About Website

Visit obvsg.at now to see the best up-to-date OBVSG content for Austria and also check out these interesting facts you probably never knew about obvsg.at

Die Österreichische Bibliothekenverbund und Service GmbH - Die Zentrale des Österreichischen Bibliothekenverbundes. Der Dienstleister für wissenschaftliche und administrative Bibliotheken in Österreic...

Visit obvsg.at

Key Findings

We analyzed Obvsg.at page load time and found that the first response time was 510 ms and then it took 25.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

obvsg.at performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.187

66/100

15%

TTI (Time to Interactive)

Value4.5 s

83/100

10%

Network Requests Diagram

obvsg.at

510 ms

www.obvsg.at

2092 ms

merged-b856e3aace993c19e69d2c02535e64e9-3e7a4e17a688f173e1d9772a8775ae0f.css

220 ms

merged-298861102987a0dd7efe86ccca69c7ad-8c51af3f8fd3dbc7d9ae5a4a3b10bb29.js

893 ms

fontsmoothie.min.js

893 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Obvsg.at and no external sources were called. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Obvsg.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 579.0 kB (47%)

Content Size

1.2 MB

After Optimization

649.6 kB

In fact, the total size of Obvsg.at main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 479.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 50.0 kB

  • Original 58.3 kB
  • After minification 42.7 kB
  • After compression 8.2 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 15.6 kB, which is 27% 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 50.0 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 479.0 kB
  • After minification 479.0 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. OBVSG images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 259.3 kB

  • Original 369.6 kB
  • After minification 369.3 kB
  • After compression 110.2 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 259.3 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 269.6 kB

  • Original 321.7 kB
  • After minification 317.4 kB
  • After compression 52.1 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. Obvsg.at needs all CSS files to be minified and compressed as it can save up to 269.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (30%)

Requests Now

10

After Optimization

7

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OBVSG. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

obvsg.at accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

obvsg.at best practices score

85

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

High

Page has valid source maps

SEO Factors

obvsg.at SEO score

98

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

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 Obvsg.at 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 Obvsg.at 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 OBVSG. 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: