Tools & Wizards About Us
lehrerweb.wien screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

lehrerweb.wien

Lehrer:innen-Web | Home

Page Load Speed

3.1 sec in total

First Response

407 ms

Resources Loaded

2.4 sec

Page Rendered

282 ms

lehrerweb.wien screenshot

About Website

Visit lehrerweb.wien now to see the best up-to-date Lehrer Web content for Austria and also check out these interesting facts you probably never knew about lehrerweb.wien

Lehrer:innen-Web | Home

Visit lehrerweb.wien

Key Findings

We analyzed Lehrerweb.wien page load time and found that the first response time was 407 ms and then it took 2.7 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

lehrerweb.wien performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.004

2/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

lehrerweb.wien

407 ms

lehrerweb.wien

545 ms

owl.carousel.min.css

98 ms

owl.theme.default.min.css

196 ms

bootstrap.min.css

297 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 93% of them (64 requests) were addressed to the original Lehrerweb.wien, 7% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (857 ms) belongs to the original domain Lehrerweb.wien.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.9 kB (18%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Lehrerweb.wien main page is 1.3 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 209.4 kB

  • Original 230.8 kB
  • After minification 121.3 kB
  • After compression 21.4 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. This page needs HTML code to be minified as it can gain 109.5 kB, which is 47% 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 209.4 kB or 91% of the original size.

Image Optimization

-3%

Potential reduce by 35.1 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Lehrer Web images are well optimized though.

CSS Optimization

-4%

Potential reduce by 1.4 kB

  • Original 37.5 kB
  • After minification 37.5 kB
  • After compression 36.1 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. Lehrerweb.wien has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (52%)

Requests Now

62

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lehrer Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lehrerweb.wien

lehrerweb.wien

407 ms

lehrerweb.wien

lehrerweb.wien

545 ms

owl.carousel.min.css

owl.carousel.min.css

98 ms

owl.theme.default.min.css

owl.theme.default.min.css

196 ms

bootstrap.min.css

bootstrap.min.css

297 ms

media2click.css

media2click.css

296 ms

7015c8c4ac5ff815b57530b221005fc6.css

7015c8c4ac5ff815b57530b221005fc6.css

304 ms

Main.min.css

Main.min.css

304 ms

Additional.min.css

Additional.min.css

304 ms

Basic.css

Basic.css

302 ms

tx_wibs_books.min.css

tx_wibs_books.min.css

392 ms

wibs_ideas.min.css

wibs_ideas.min.css

394 ms

cookieman-theme.min.css

cookieman-theme.min.css

398 ms

cookieman.css

cookieman.css

398 ms

wibs_accordion.min.css

wibs_accordion.min.css

398 ms

layout.min.css

layout.min.css

399 ms

a936bf2cddf787d2787017c1b7159baa.css

a936bf2cddf787d2787017c1b7159baa.css

489 ms

news-basic.css

news-basic.css

490 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

600 ms

bootstrap.min.js

bootstrap.min.js

495 ms

owl.carousel.min.js

owl.carousel.min.js

497 ms

feather.min.js

feather.min.js

500 ms

Validation.min.js

Validation.min.js

582 ms

Femanager.min.js

Femanager.min.js

583 ms

instafilta.min.js

instafilta.min.js

594 ms

Script.min.js

Script.min.js

692 ms

Form.min.js

Form.min.js

694 ms

tx_wibs_books.min.js

tx_wibs_books.min.js

695 ms

wibs_ideas.js

wibs_ideas.js

696 ms

js.cookie.min.js

js.cookie.min.js

698 ms

cookieman.min.js

cookieman.min.js

699 ms

cookieman-theme.min.js

cookieman-theme.min.js

698 ms

cookieman-init.min.js

cookieman-init.min.js

704 ms

media2click.js

media2click.js

775 ms

wibs_accordion.min.js

wibs_accordion.min.js

776 ms

scripts.js

scripts.js

791 ms

LW-logo.gif

LW-logo.gif

200 ms

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260 ms

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201 ms

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630 ms

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239 ms

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354 ms

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258 ms

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270 ms

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336 ms

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455 ms

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359 ms

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369 ms

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436 ms

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453 ms

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857 ms

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468 ms

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532 ms

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552 ms

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553 ms

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567 ms

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629 ms

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651 ms

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651 ms

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666 ms

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667 ms

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668 ms

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692 ms

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20 ms

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43 ms

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43 ms

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554 ms

Accessibility Review

lehrerweb.wien accessibility score

94

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

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

lehrerweb.wien 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

lehrerweb.wien 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 Lehrerweb.wien 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 Lehrerweb.wien 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

lehrerweb.wien

Open Graph data is detected on the main page of Lehrer Web. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: