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Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

centro-serenity.com

Contact Support

Page Load Speed

1.7 sec in total

First Response

261 ms

Resources Loaded

1.3 sec

Page Rendered

151 ms

About Website

Welcome to centro-serenity.com homepage info - get ready to check Centro Serenity best content right away, or after learning these important things about centro-serenity.com

Serenity offers holistic therapies that work with the mind, body and spirit, in a non-invasive approach that strengthens the body\’s natural ability to heal and balance itself.

Visit centro-serenity.com

Key Findings

We analyzed Centro-serenity.com page load time and found that the first response time was 261 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

centro-serenity.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.271

45/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

centro-serenity.com

261 ms

www.centro-serenity.com

377 ms

css2

47 ms

bootstrap.min.css

38 ms

app.css

32 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 63% of them (15 requests) were addressed to the original Centro-serenity.com, 13% (3 requests) were made to Fonts.gstatic.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (501 ms) belongs to the original domain Centro-serenity.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.0 kB (9%)

Content Size

499.8 kB

After Optimization

452.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centro-serenity.com main page is 499.8 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. 30% of websites need less resources to load. Images take 311.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 36.0 kB

  • Original 41.5 kB
  • After minification 22.2 kB
  • After compression 5.5 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 19.3 kB, which is 47% 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 36.0 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 10.6 kB

  • Original 311.8 kB
  • After minification 301.2 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. Centro Serenity images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 271 B

  • Original 126.4 kB
  • After minification 126.4 kB
  • After compression 126.1 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

-1%

Potential reduce by 105 B

  • Original 20.1 kB
  • After minification 20.1 kB
  • After compression 20.0 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. Centro-serenity.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (37%)

Requests Now

19

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centro Serenity. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

centro-serenity.com accessibility score

96

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

centro-serenity.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

centro-serenity.com SEO score

88

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centro-serenity.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Centro-serenity.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 Centro Serenity. 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: