Tools & Wizards About Us

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

calvin-thomas.com

Calvin-Thomas | Séjours Linguistiques USA, Australie, Canada...

Page Load Speed

3.9 sec in total

First Response

277 ms

Resources Loaded

2.7 sec

Page Rendered

883 ms

About Website

Click here to check amazing Calvin Thomas content for Cameroon. Otherwise, check out these important facts you probably never knew about calvin-thomas.com

Séjours à l'étranger : immersion en famille, au pair, études en université, séjours scolaires, stages en entreprise, cours d'anglais, colonies pour enfants.

Visit calvin-thomas.com

Key Findings

We analyzed Calvin-thomas.com page load time and found that the first response time was 277 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

calvin-thomas.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

calvin-thomas.com

277 ms

www.calvin-thomas.com

1013 ms

style.min.css

162 ms

search-filter.min.css

243 ms

style15-05-24.css

247 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 97% of them (60 requests) were addressed to the original Calvin-thomas.com, 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Calvin-thomas.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 350.6 kB (7%)

Content Size

5.2 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Calvin-thomas.com main page is 5.2 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 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 62.7 kB

  • Original 78.7 kB
  • After minification 74.6 kB
  • After compression 16.0 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 62.7 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 277.7 kB

  • Original 4.8 MB
  • After minification 4.5 MB

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. Calvin Thomas images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.7 kB

  • Original 227.9 kB
  • After minification 227.9 kB
  • After compression 224.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 6.5 kB

  • Original 88.9 kB
  • After minification 88.9 kB
  • After compression 82.4 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. Calvin-thomas.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (41%)

Requests Now

56

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calvin Thomas. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

calvin-thomas.com accessibility score

95

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Best Practices

calvin-thomas.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

High

Page has valid source maps

SEO Factors

calvin-thomas.com SEO score

85

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

    N/A

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calvin-thomas.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 French. Our system also found out that Calvin-thomas.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 data is detected on the main page of Calvin Thomas. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: