Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

esrel2017.org

ESREL 2017 | European Safety and Reliability Conference

Page Load Speed

2.8 sec in total

First Response

681 ms

Resources Loaded

1.9 sec

Page Rendered

230 ms

About Website

Visit esrel2017.org now to see the best up-to-date ESREL 2017 content for Switzerland and also check out these interesting facts you probably never knew about esrel2017.org

The annual European Safety and Reliability Conference ESREL is an international conference under the auspices of the European Safety and Reliability Association

Visit esrel2017.org

Key Findings

We analyzed Esrel2017.org page load time and found that the first response time was 681 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

esrel2017.org performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

esrel2017.org

681 ms

analytics.js

29 ms

wp-emoji-release.min.js

130 ms

bootstrap.min.css

364 ms

slick.css

240 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 58% of them (21 requests) were addressed to the original Esrel2017.org, 11% (4 requests) were made to Maps.googleapis.com and 8% (3 requests) were made to Guidebook.com. The less responsive or slowest element that took the longest time to load (716 ms) belongs to the original domain Esrel2017.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.7 kB (8%)

Content Size

753.2 kB

After Optimization

694.4 kB

In fact, the total size of Esrel2017.org main page is 753.2 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. 35% of websites need less resources to load. Images take 526.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.7 kB

  • Original 26.7 kB
  • After minification 25.6 kB
  • After compression 6.9 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 19.7 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 34.5 kB

  • Original 526.4 kB
  • After minification 491.9 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. ESREL 2017 images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.6 kB

  • Original 175.5 kB
  • After minification 175.4 kB
  • After compression 171.9 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

-4%

Potential reduce by 942 B

  • Original 24.7 kB
  • After minification 24.7 kB
  • After compression 23.7 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. Esrel2017.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (69%)

Requests Now

29

After Optimization

9

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ESREL 2017. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

esrel2017.org 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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

esrel2017.org 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

Serves images with low resolution

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

esrel2017.org SEO score

92

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

Image elements do not have [alt] attributes

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 Esrel2017.org 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 Esrel2017.org 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 ESREL 2017. 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: