Search Engine Optimization Overview
86
100
Seo
Title
The title tag is perfect.
OpenClassrooms
Meta description
The meta description tag is missing or empty.
Headings
There is no h1 tag on the webpage.
Content keywords
The content has relevant keywords.
openclassrooms
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://openclassrooms.com/fr/
404 page
The website has 404 error pages.
https://openclassrooms.com/404-d032d482ea6e8aa1731078d16845271c
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
Language
The webpage has the language declared.
fr
Favicon
The webpage has a favicon.
https://openclassrooms.com/favicon.ico?986190ae
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.41 seconds.
Page size
The size of the HTML webpage is 19,645.00.
HTTP requests
There are fewer than 3 HTTP requests on the webpage.
  1. https://static.cloudflareinsights.com/beacon.min.js/vaafb692b2aea4879b33c060e79fe94621666317369993
  1. https://openclassrooms.com/legacy/css/main_webapp-80e2ca16.css
  2. https://openclassrooms.com/css/classify/colorDecisions.css?986190ae
Image format
The images are served in the AVIF, WebP format.
JavaScript defer
The javascript resources have the defer attribute set.
DOM size
The DOM size is optimal.
The HTML file has 88 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://openclassrooms.com/fr/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
cloudflare
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
The webpage has structured data.
    Meta viewport
    The webpage has a meta viewport tag set.
    width=device-width, initial-scale=1
    Character set
    The webpage has a charset value set.
    utf-8
    Sitemap
    No sitemaps found.
    Social
    The webpage does not contain any social links.
    Content length
    The webpage has 641 words.
    Text to HTML ratio
    The text to HTML ratio is 11%.
    Inline CSS
    The webpage contains inline CSS code.
    1. display: flex;
    2. display:none;
    3. display:none
    Deprecated HTML
    There are no deprecated HTML tags on the webpage.