sqlcourse.com

https://sqlcourse.com· First analyzed 17 May 2026· Updated 17 May 2026

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sqlcourse.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.67.204.159

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

edna.ns.cloudflare.com.will.ns.cloudflare.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

783 ms10%

Speed Index

1.0 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

996 KB

142 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

Newspaperv12.7.1Custom

by tagDiv

View Theme

Technology Stack

21 Technologies Detected

Plugins

Td Composer Td Standard Pack Td Cloud Library

Analytics

Facebook Pixel Microsoft Clarity

Fonts

Google Fonts Adobe Fonts (Typekit)Adobe Fonts

Advertising

Google Ads Microsoft Advertising

Libraries

CSS Frameworks

Icon Libraries

Tag Managers

CDN

Customer Support

SEO Analysis

B78/100

Meta Tags15/15

Content10/12

Headings1/8

Technical24/25

E-E-A-T2/7

Images2/7

Links5/5

URL5/5

Social4/5

Freshness4/4

Mobile3/4

Indexability3/3

sqlcourse.comsqlcourse.com

SQLCourse: Beginner & Advanced Interactive SQL Tutorials

SQLCourse.com is an interactive online training course for SQL beginners and advanced SQL programmers. Learn with our unique SQL tutorials today.

Title Length56 chars

Recommended: 50-60 chars (~339px / 580px)

Description Length145 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag — every page should have exactly one H1

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

3 URLs

3 sub-sitemaps

robots.txt

6 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

17/100

Poor

5 12

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D51/100

Bot Access

20/25

Machine Read.

10/25

Schema Data

7/25

Citation

14/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:2%

Words:620

Token eff.:Optimal

Structured Data

4 JSON-LD

Organization×1.1WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary32w

Descriptive Headingsavg 2.5w

Canonical URL

Open Graph2/3

Twitter Card1/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (10)

AI readiness recommendation preview...

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Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

62/100

Passed

Critical

Warnings

Images & Alt Text

15/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

9/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

10/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

14/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

7/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

7/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

3 recommendations

•Accessibility recommendation preview...

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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

54/100

101 mg

CO₂e / view

995.6 KB

Page Weight

70%

Cleaner Than

New Visitor

115 mg

Returning (cached)

58 mg

Annual (10K/mo)

12.1 kg

Emission Segments

Data Center

5 mg

Network

30 mg

Device

66 mg

Resource Breakdown

JavaScript

525.3 KB

Images

342 B

CSS

392.4 KB

Fonts

2.7 KB

HTML

37.6 KB

Other

37.3 KB

Green Hosting Verified

Cloudflare

GWF Verified

5 recommendations

•Carbon footprint recommendation preview...

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Security Score

41%Poor

Interactive

HTTPS

WAF

89d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

17.05.2026

Valid Until

15.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

sqlcourse.com*.sqlcourse.com

SHA-256 Fingerprint

AF:52:31:FC:12:91:0D:6A:2B:38:25:BD:40:D7:8B:FF:81:FD:ED:7F...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

age

105209

alt-svc

h3=":443"; ma=86400

cache-control

🟡 4 Hours(max-age=14400)

cf-cache-status

UPDATING

cf-ray

9fd3647eed023762-BOS

content-encoding

zstd

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

alt4.aspmx.l.google.com

alt3.aspmx.l.google.com

+1 more

Domain Information

sqlcourse.com

Domain Age

26y 12m

Created

25.05.1999

Expires

13.10.2026

Last Updated

14.09.2025

Registrar

Name.com, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

Data Protection Officer mentioned

Legitimate interest basis mentioned

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

73/100

Mobile Friendly144 breakpoints

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width, initial-scale=1.0

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Roboto + Roboto Condensed

WCAG Partial

65/100

Readability

/30

25/30

16px · LH 1.50

Hierarchy

/20

10/20

1.75x ratio

WCAG

/25

16/25

1:1 min contrast

Performance

/25

14/25

System fonts

Heading Font

Roboto

Sans28px

Body Font

Roboto Condensed

Sans16px

Contrast Ratio

1:1

29 issues

Reading Comfort

~44 CPL

Narrow lines

28px

60px

16px

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 44/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 29 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

✅ System fonts: Zero font loading delay — best possible LCP impact.

GGoogle Fonts AAdobe FontsFlesch 44

Color Palette

9 unique colors

2.27:1 Fail Light

#ffffff

Text· 13.5%

#b0aca2

Secondary· 7.2%

#002e3e

Primary· 46.9%

#6da96d

Secondary· 6.2%

#327481

Secondary· 5.9%

#c2cbb7

Secondary· 5.1%

#8f7665

Secondary· 4.4%

Business & Marketing Stack

6 Tools Detected

Enterprise

Marketing Automation

MarketoEnterprise

Email marketing and automation platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

Microsoft ClarityFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Microsoft AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

connect.facebook.net(5)googletagmanager.com(4)cmp.inmobi.com(2)securepubads.g.doubleclick.net(2)scripts.clarity.ms(1)

Website Identity

SQL Course

Organization

SQLCourse.com is an interactive online training course for SQL beginners and advanced SQL programmers. Learn with our unique SQL tutorials today.

www.sqlcourse.com/

26 years old

Location detected: 🇨🇦 Canadavia ip

Name.com, Inc.📧 Google Workspaceen-US

Sponsored

Last analyzed: 17 May 2026 at 14:43

Historical Analysis & Change Tracking