Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

undergroundparis.org

Underground Paris – Street art, graffiti & culture

Page Load Speed

976 ms in total

First Response

270 ms

Resources Loaded

491 ms

Page Rendered

215 ms

undergroundparis.org screenshot

About Website

Welcome to undergroundparis.org homepage info - get ready to check Underground Paris best content for France right away, or after learning these important things about undergroundparis.org

Visit undergroundparis.org

Key Findings

We analyzed Undergroundparis.org page load time and found that the first response time was 270 ms and then it took 706 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

undergroundparis.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value40 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

undergroundparis.org

270 ms

main.min.css

162 ms

style.min.css

166 ms

frontend.min.js

163 ms

cropped-Underground-Paris-LOGO-UP-DEF-142x142.jpg

222 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Undergroundparis.org and no external sources were called. The less responsive or slowest element that took the longest time to load (270 ms) belongs to the original domain Undergroundparis.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.5 kB (68%)

Content Size

172.8 kB

After Optimization

55.3 kB

In fact, the total size of Undergroundparis.org main page is 172.8 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. 20% of websites need less resources to load. HTML takes 131.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 109.3 kB

  • Original 131.4 kB
  • After minification 128.9 kB
  • After compression 22.1 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 109.3 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 459 B

  • Original 5.1 kB
  • After minification 4.7 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. Underground Paris images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 981 B

  • Original 6.1 kB
  • After minification 6.1 kB
  • After compression 5.2 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 981 B or 16% of the original size.

CSS Optimization

-23%

Potential reduce by 6.8 kB

  • Original 30.2 kB
  • After minification 30.2 kB
  • After compression 23.4 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. Undergroundparis.org needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Underground Paris. According to our analytics all requests are already optimized.

Accessibility Review

undergroundparis.org accessibility score

100

Accessibility Issues

Best Practices

undergroundparis.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

undergroundparis.org SEO score

92

Search Engine Optimization Advices

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

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Undergroundparis.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Undergroundparis.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 Underground Paris. 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: