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Certified Website Score for

f1-dnf-stats.fly.dev

This website parses the HTML source code of each Wikipedia page for every Formula 1 season in order to gather data about the DNFs that occurred throughout the seasons.

First audit: October 21, 2025•Last audit: January 23, 2026
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63
Overall
49Website Quality
52Trust & Security
87PageSpeed
Score trend

Latest audit — January 23, 2026

Deep, transparent insight into how this score is built: PageSpeed vitals, on‑page quality signals, and trust & security checks — all broken down into clear, verifiable items you can act on.

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Site Quality

Title
12/20
F1 DNF Stats
12 chars (ideal 30–60)
Meta Description
12/15
This website parses the HTML source code of each Wikipedia page for every Formula 1 season in order to gather data about the DNFs that occurred throughout the seasons.
171 chars (ideal 120–160)
Favicon
3/3
../static/img/favicon.ico
present
Viewport meta
8/8
width=device-width, initial-scale=1
correct (width=device-width, initial-scale=1)
robots.txt
0/6
missing (ideal: User-agent: * + Allow: / + Sitemap)
Sitemap
0/7
missing (create sitemap.xml and submit to Google Search Console)
llms.txt
0/0
missing
missing (add llms.txt to describe LLM usage policies)
Headings
6/6
H1Formula 1 DNF Stats
correct structure
Schema.org JSON-LD
0/2
missing (consider Organization, Article, Product, or FAQPage schemas)
Canonical URL
0/8
missing (add <link rel='canonical'> to avoid duplicate content)
HTML lang
4/4
en
present
Character encoding
4/4
utf-8
present

Open Graph

Title
0/3
missing (add <meta property='og:title'> for social sharing)
Description
0/3
missing (add <meta property='og:description'> for social sharing)
Image
0/3
missing (add <meta property='og:image'> with 1200x630px image)
URL
0/3
missing (add <meta property='og:url'> with full URL)
Type
0/1
missing (add <meta property='og:type' content='website'>)

Twitter Cards

Card Type
0/1
missing
Title
0/1
missing (add <meta name='twitter:title'> for Twitter sharing)
Description
0/1
missing (add <meta name='twitter:description'> for Twitter sharing)
Image
0/1
missing (add <meta name='twitter:image'> with 1200x630px image)

Security Headers

HTTPS
30/30
HTTPS enabled
HTTP Strict Transport Security
0/15
missing (should be: Strict-Transport-Security: max-age=31536000; includeSubDomains)
Content Security Policy
0/15
missing (should be: Content-Security-Policy: default-src 'self')
Frame Protection
0/5
missing (should be: X-Frame-Options: SAMEORIGIN)
MIME Type Protection
0/5
missing (should be: X-Content-Type-Options: nosniff)

Domain Trust

Domain Rating
22/25
How to improve DR→
22 (Last sync: 19th Dec 2025)
1525
Domain Age
0/5
no domain age records found
Registrar
no registrar record found
Country
Unknown

Infrastructure

Provider
no hosting or CDN provider detected
58

Performance

82

SEO

96

Best Practices

99

Accessibility

Performance
58/100
Largest Contentful Paint
2/25
6.9s
2.5s4.0s
First Contentful Paint
1/10
4.9s
1.8s3.0s
Total Blocking Time
29/30
100ms
200ms400ms
Cumulative Layout Shift
25/25
0.00
0.100.25
Speed Index
1/10
9.1s
3.4s5.4s
SEO
82/100
Page isn’t blocked from indexing
37/37
Document has a `<title>` element
9/9
Document has a meta description
9/9
Page has successful HTTP status code
9/9
Links do not have descriptive text
0/9
Links are not crawlable
0/9
Image elements have `[alt]` attributes
9/9
Document has a valid `hreflang`
9/9
Best Practices
96/100
Uses HTTPS
19/19
Avoids deprecated APIs
19/19
Avoids third-party cookies
19/19
Allows users to paste into input fields
12/12
Avoids requesting the geolocation permission on page load
4/4
Avoids requesting the notification permission on page load
4/4
Displays images with correct aspect ratio
4/4
Serves images with appropriate resolution
4/4
Page lacks the HTML doctype, thus triggering quirks-mode
0/4
Properly defines charset
4/4
No browser errors logged to the console
4/4
No issues in the `Issues` panel in Chrome Devtools
4/4
Accessibility
99/100
`[aria-*]` attributes match their roles
5/5
`[aria-hidden="true"]` is not present on the document `<body>`
5/5
`[role]`s have all required `[aria-*]` attributes
5/5
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
5/5
`[role]`s are contained by their required parent element
5/5
`[role]` values are valid
5/5
`[aria-*]` attributes have valid values
5/5
`[aria-*]` attributes are valid and not misspelled
5/5
Image elements have `[alt]` attributes
5/5
Form elements have associated labels
5/5
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
5/5
Select elements have associated label elements.
5/5
ARIA attributes are used as specified for the element's role
3/3
Elements use only permitted ARIA attributes
3/3
Background and foreground colors have a sufficient contrast ratio
3/3
Document has a `<title>` element
3/3
`<frame>` or `<iframe>` elements have a title
3/3
`<html>` element has a `[lang]` attribute
3/3
`<html>` element has a valid value for its `[lang]` attribute
3/3
Links are distinguishable without relying on color.
3/3
Links have a discernible name
3/3
No element has a `[tabindex]` value greater than 0
3/3
Touch targets have sufficient size and spacing.
3/3
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
3/3
Heading elements appear in a sequentially-descending order
1/1
Document does not have a main landmark.
0/1
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