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Search Engine Optimization Overview
71
100
NNDB: Tracking the entire world
https://nndb.com/
2 high issues
6.1%
6 medium issues
18.2%
4 low issues
12.1%
21 tests passed
63.6%
0.27 seconds
2.46 kB
1 resource
Secure
Seo
Title
The title tag is perfect.
NNDB: Tracking the entire world
Meta description
The meta description tag is missing or empty.
Headings
There is no h1 tag on the webpage.
  1. What is NNDB?
Content keywords
The content has relevant keywords.
nndbthe
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://nndb.com/
404 page
The website has 404 error pages.
https://nndb.com/404-9fb1f91617bdd53a5a01ab490dd0df27
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage does not have a language declared.
Favicon
The webpage has a favicon.
https://nndb.com/silly-nndb-icon.png
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.27 seconds.
Page size
The size of the HTML webpage is 2,460.00.
HTTP requests
There are fewer than 1 HTTP requests on the webpage.
  1. https://nndb.com/title.gif
Image format
There are 1 images that are not using the AVIF, WebP format.
  1. https://nndb.com/title.gif
JavaScript defer
The javascript resources have the defer attribute set.
DOM size
The DOM size is optimal.
The HTML file has 99 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://nndb.com/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
nginx/1.14.0 (Ubuntu)
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
There are no structured data tags on the webpage.
Meta viewport
The meta viewport tag is missing or is empty.
Character set
The webpage does not have a charset declared.
Sitemap
No sitemaps found.
Social
The webpage does not contain any social links.
Content length
The are less than 500 words on the webpage.
The webpage has 186 words.
Text to HTML ratio
The text to HTML ratio is 16%.
Inline CSS
The webpage does not contain inline CSS code.
Deprecated HTML
The webpage has deprecated HTML tags.
<center>
4
<font>
3