Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

en.strasbourg.eu

City and Eurometropolis of Strasbourg | Strasbourg.eu EN/DE

Page Load Speed

2.8 sec in total

First Response

282 ms

Resources Loaded

2.2 sec

Page Rendered

291 ms

en.strasbourg.eu screenshot

About Website

Visit en.strasbourg.eu now to see the best up-to-date EN Strasbourg content for France and also check out these interesting facts you probably never knew about en.strasbourg.eu

News, events, culture, practical information and more for your stay or your life in Strasbourg, at the heart of Europe.

Visit en.strasbourg.eu

Key Findings

We analyzed En.strasbourg.eu page load time and found that the first response time was 282 ms and then it took 2.5 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

en.strasbourg.eu performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.13

82/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

en.strasbourg.eu

282 ms

622 ms

main.css

196 ms

combo

559 ms

clay.css

553 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original En.strasbourg.eu, 95% (42 requests) were made to Int.strasbourg.eu and 2% (1 request) were made to Analytics.strasbourg.cloud. The less responsive or slowest element that took the longest time to load (881 ms) relates to the external source Int.strasbourg.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.5 kB (20%)

Content Size

1.2 MB

After Optimization

990.4 kB

In fact, the total size of En.strasbourg.eu 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. 55% of websites need less resources to load. Images take 595.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 161.9 kB

  • Original 191.4 kB
  • After minification 163.9 kB
  • After compression 29.5 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 27.6 kB, which is 14% 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 161.9 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 5.9 kB

  • Original 595.2 kB
  • After minification 589.3 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. EN Strasbourg images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 80.6 kB

  • Original 452.2 kB
  • After minification 452.2 kB
  • After compression 371.5 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 80.6 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (69%)

Requests Now

32

After Optimization

10

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EN Strasbourg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

en.strasbourg.eu accessibility score

78

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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

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

en.strasbourg.eu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

en.strasbourg.eu SEO score

76

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise En.strasbourg.eu 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 En.strasbourg.eu 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 EN Strasbourg. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: