Website review sqlbook.io
SQLBook - Master SQL on Real Databases
Generated on February 25 2026 03:49 AM
Old data? UPDATE !
The score is 69/100
SEO Content
Title
SQLBook - Master SQL on Real Databases
Length : 38
Perfect, your title contains between 10 and 70 characters.
Description
Master SQL on real databases. Practice MySQL, PostgreSQL, and Oracle in your own sandbox—no setup required.
Length : 107
Great, your meta description contains between 70 and 160 characters.
Keywords
SQL, learn sql, practice sql, data engineering, MySQL, PostgreSQL, Oracle, interactive SQL, SQL for beginners, SQL examples, coding challenges
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| type | website |
| url | https://sqlbook.io/ |
| title | SQLBook - Master SQL on Real Databases |
| description | Practice MySQL, PostgreSQL, MariaDB, and Oracle in your own sandbox—no setup required. |
| image | https://sqlbook.io/logo/social/sqlbook-og-1200x630.png |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 4 | 9 | 4 | 1 | 0 |
- [H1] Master SQL on Real Databases
- [H2] Everything you need to learn SQL
- [H2] Featured Collections
- [H2] Recent Tutorials
- [H2] Ready to Master SQL?
- [H3] Instant SQL Sandbox
- [H3] Visual Database Diagrams
- [H3] Pre-loaded Datasets
- [H3] Nobel Prizes
- [H3] Postgres JSON Support
- [H3] Northwind Database
- [H3] Failed Banks
- [H3] Cereal Nutrition Analysis
- [H3] JSON to SQL
- [H4] Product
- [H4] Learn
- [H4] Databases
- [H4] Company
- [H5] How SQLBook Works
Images
We found 2 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 4%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 17 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| CSV to SQL | Internal | Passing Juice |
| JSON to SQL | Internal | Passing Juice |
| My Books | Internal | Passing Juice |
| Change password | Internal | Passing Juice |
| Log out | Internal | Passing Juice |
| Nobel Prizes | Internal | Passing Juice |
| Postgres JSON Support | Internal | Passing Juice |
| Northwind Database | Internal | Passing Juice |
| Failed Banks | Internal | Passing Juice |
| Cereal Nutrition Analysis | Internal | Passing Juice |
| JSON to SQL | Internal | Passing Juice |
| Browse Collections | Internal | Passing Juice |
| Tutorial | Internal | Passing Juice |
| Documentation | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Discord | External | Passing Juice |
| Privacy Policy | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
oracle books postgresql master sandbox practicing database sql mysql start
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| sql | 16 |  |
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| sandbox | 4 |  |
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| oracle | 4 | |
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| practicing | 4 | |
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| start | 4 | |
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Usability
Url
Domain : sqlbook.io
Length : 10
Favicon
Great, your website has a favicon.
Printability
Great. We have found a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Perfect. No inline css has been found in HTML tags! |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://sqlbook.io/sitemap.xml |
Robots.txt
https://sqlbook.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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