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busuu.com

https://busuu.com· First analyzed 19 Feb 2026· Updated 19 Feb 2026
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busuu.com

Sponsored

Hosting Provider

aws.amazon.com

IP Address

13.33.235.124

Server Location

🇺🇸 New York, United States

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

Envoy

CDN

CloudFront

Nameservers

ns-123.awsdns-15.com.ns-1422.awsdns-49.org.ns-1708.awsdns-21.co.uk.ns-801.awsdns-36.net.

Performance

Page Speed

437 KB
52 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Amazon Web Services (AWS)
CDN
CloudFront

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

6 Technologies Detected

CSS Frameworks

2

Tag Managers

1

Reviews

1

SEO Analysis

A85/100
12
2
0
B
busuu.combusuu.com

Busuu - Learn Languages Online: Start for Free

Study a new language online with Busuu's award-winning courses. Learn together with native speakers in Busuu's community.

Title Length46 chars

Recommended: 50-60 chars

Description Length121 chars

Recommended: 120-160 chars

Issues (0)

    Crawlability

    Sitemap

    Type: index

    15 URLs

    robots.txt

    22 rules

    Sitemap reference found

    Sponsored

    Sponsored

    C

    Security Score

    61%Fair
    Interactive

    HTTPS

    No WAF

    153d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Amazon

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2+H3

    Valid From

    23.06.2025

    Valid Until

    22.07.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (4)

    busuu.com*.busuu.com*.busuu.net*.internal.busuu.com

    SHA-256 Fingerprint

    49:FD:88:1D:A2:C4:85:4E:5E:90:26:B4:34:0D:12:47:71:2C:4F:CA...

    Top Recommendations

    Security recommendation preview

    HTTP Headers

    Developer Console

    access-control-allow-credentials
    true
    access-control-allow-headers
    Origin, X-Requested-With, Content-Type, Accept
    access-control-allow-origin
    https://www.busuu.com
    age
    4807
    alt-svc
    h3=":443"; ma=86400
    cache-control
    🔵 1 Week(max-age=604800)
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    100

    SPF
    DKIM
    DMARC

    DMARC Policy

    Reject (Strictest)

    MX Records (2)

    mxa-00360d01.gslb.pphosted.com
    mxb-00360d01.gslb.pphosted.com

    Domain Information

    busuu.com

    Domain Age
    18y 4m

    Created

    18.10.2007

    Expires

    18.10.2027

    Last Updated

    17.09.2025

    Registrar

    MarkMonitor Inc.

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookiebot

    Cookie Consent Banner
    Cookiebot
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Cookiebot
    Privacy policy page linked
    Data Protection Officer mentioned

    Typography & Readability

    Nista

    83/100
    Readability
    /30
    40/40

    18px · LH 1.70

    Hierarchy
    /20
    25/25

    2.22x ratio

    WCAG
    /25
    15/15

    Contrast: undefined

    Performance
    /25
    13/20

    1 font

    Heading Font

    Nista

    Sans40px

    Body Font

    Nista

    Sans18px

    Contrast Ratio

    --

    Reading Comfort

    ~40 CPL

    Needs attention
    40px
    h1
    24px
    h2
    24px
    h3
    18px
    p

    ✅ Excellent readability: 18px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.70 ratio ensures comfortable reading.

    ✅ Strong hierarchy: Headlines are 2.2x larger than body text.

    ✅ Good performance: Using 1 font families keeps load times fast.

    ✅ Consistent design: Single font family with weight variations is a modern best practice.

    ✅ Protected text on images: Using gradient for readability.

    Business & Marketing Stack

    6 Tools Detected

    Enterprise

    Behavior Analytics

    2

    User behavior and product analytics

    Privacy & Cookies

    1

    Cookie consent and privacy compliance tools

    Social Media

    1

    Social widgets and sharing tools

    A/B Testing & Optimization

    1

    Experimentation and conversion optimization

    Reviews & Social Proof

    1

    Customer reviews and testimonials

    5

    Categories

    6

    Total Tools

    2

    Enterprise

    1

    Mid-Market

    Assessment: Sophisticated marketing and sales technology infrastructure

    Sponsored

    Scripts & Styles

    8 Resources

    7
    Scripts
    1
    Styles
    4
    Async
    2
    Defer

    Top Script Sources

    cdn.busuu.com(2)googletagmanager.com(1)geolocation.onetrust.com(1)cdn.cookielaw.org(1)accounts.google.com(1)

    Website Identity

    busuu.com

    18 years old
    MarkMonitor Inc.

    Sponsored

    Last analyzed: 19 Feb 2026 at 14:10

    Historical Analysis & Change Tracking