Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

lbs18.ethz.ch

LBS 2018 – 14th Conference on Location-Based Services – The ICA Commission on Location Based Services and ETH Zurich are pleased to invite you to the ...

Page Load Speed

3.4 sec in total

First Response

518 ms

Resources Loaded

2.5 sec

Page Rendered

396 ms

lbs18.ethz.ch screenshot

About Website

Click here to check amazing LBS 18 ETH Z content for Switzerland. Otherwise, check out these important facts you probably never knew about lbs18.ethz.ch

The ICA Commission on Location Based Services and ETH Zurich are pleased to invite you to the 14th International Conference on Location Based Services, which will take place in Zurich, Switzerland on ...

Visit lbs18.ethz.ch

Key Findings

We analyzed Lbs18.ethz.ch page load time and found that the first response time was 518 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

lbs18.ethz.ch performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.185

66/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

lbs18.ethz.ch

518 ms

lbs18.ethz.ch

627 ms

wp-emoji-release.min.js

491 ms

twentyfifteen.css

281 ms

foobox.free.min.css

386 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 84% of them (43 requests) were addressed to the original Lbs18.ethz.ch, 10% (5 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (628 ms) belongs to the original domain Lbs18.ethz.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (75%)

Content Size

2.7 MB

After Optimization

695.8 kB

In fact, the total size of Lbs18.ethz.ch main page is 2.7 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. 55% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.7 kB

  • Original 55.7 kB
  • After minification 39.2 kB
  • After compression 9.0 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 16.5 kB, which is 30% 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 46.7 kB or 84% of the original size.

Image Optimization

-75%

Potential reduce by 1.7 MB

  • Original 2.2 MB
  • After minification 553.5 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, LBS 18 ETH Z needs image optimization as it can save up to 1.7 MB or 75% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 139.0 kB

  • Original 206.8 kB
  • After minification 199.9 kB
  • After compression 67.8 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 139.0 kB or 67% of the original size.

CSS Optimization

-76%

Potential reduce by 203.4 kB

  • Original 268.9 kB
  • After minification 243.7 kB
  • After compression 65.5 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. Lbs18.ethz.ch needs all CSS files to be minified and compressed as it can save up to 203.4 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (41%)

Requests Now

41

After Optimization

24

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LBS 18 ETH Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lbs18.ethz.ch accessibility score

98

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.

Best Practices

lbs18.ethz.ch best practices score

58

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

lbs18.ethz.ch SEO score

85

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lbs18.ethz.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Lbs18.ethz.ch 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 LBS 18 ETH Z. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: