Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

tedxlyon.com

自動車一括査定攻略ナビ

Page Load Speed

3.6 sec in total

First Response

820 ms

Resources Loaded

2.7 sec

Page Rendered

92 ms

About Website

Visit tedxlyon.com now to see the best up-to-date Tedxlyon content and also check out these interesting facts you probably never knew about tedxlyon.com

Visit tedxlyon.com

Key Findings

We analyzed Tedxlyon.com page load time and found that the first response time was 820 ms and then it took 2.8 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

tedxlyon.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

tedxlyon.com

820 ms

style.css

215 ms

jquery1.7.2.min.js

574 ms

script.js

382 ms

mainImage.jpg

1282 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Tedxlyon.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Tedxlyon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.3 kB (2%)

Content Size

430.2 kB

After Optimization

422.9 kB

In fact, the total size of Tedxlyon.com main page is 430.2 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. Only 10% of websites need less resources to load. Images take 386.8 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 3.5 kB

  • Original 5.6 kB
  • After minification 5.2 kB
  • After compression 2.1 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 3.5 kB or 62% of the original size.

Image Optimization

-1%

Potential reduce by 2.9 kB

  • Original 386.8 kB
  • After minification 383.9 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. Tedxlyon images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 18 B

  • Original 33.8 kB
  • After minification 33.8 kB
  • After compression 33.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 937 B

  • Original 4.1 kB
  • After minification 4.1 kB
  • After compression 3.2 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. Tedxlyon.com needs all CSS files to be minified and compressed as it can save up to 937 B or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tedxlyon. According to our analytics all requests are already optimized.

Accessibility Review

tedxlyon.com accessibility score

81

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

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

tedxlyon.com best practices score

83

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

SEO Factors

tedxlyon.com SEO score

70

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

High

robots.txt is not valid

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

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tedxlyon.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Tedxlyon.com 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 Tedxlyon. 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: