Certified Website Score for

nerdsip.com

Learn any topic in 5 minutes. NerdSip is the microlearning app for curious people — science-backed courses, gamified streaks, and RPG elements.

First audit: February 11, 2026•Last audit: February 21, 2026

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Overall

96Website Quality

70Trust & Security

95PageSpeed

Score trend

Latest audit — February 21, 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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Website Quality

1902

96/100

1902

Site Quality

Title

20/20

NerdSip Microlearning App: Custom Courses on Any Topic

54 chars (ideal 30–60)

Meta Description

15/15

Learn any topic in 5 minutes. NerdSip is the microlearning app for curious people — science-backed courses, gamified streaks, and RPG elements.

143 chars (ideal 120–160)

Favicon

3/3

https://nerdsip.com/favicon.png

present

Viewport meta

8/8

width=device-width, initial-scale=1.0

correct (width=device-width, initial-scale=1)

robots.txt

6/6

# robots.txt for nerdsip.com # General crawlers User-agent: * Allow: / Disallow: /imprint # AI Crawlers - Welcome! User-agent: GPTBot Allow: / User-agent: ChatGPT-User Allow: / User-agent: Google-Extended Allow: / User-agent: Claude-Web Allow: / User-agent: Anthropic-AI Allow: / User-agent: PerplexityBot Allow: / User-agent: Cohere-ai Allow: / # Sitemap Sitemap: https://nerdsip.com/sitemap.xml # LLMs.txt - AI-friendly site description # See: https://nerdsip.com/llms.txt

perfect (User-agent + Allow + Sitemap)

Sitemap

7/7

https://nerdsip.com/sitemap.xml

present

llms.txt

0/0

present

Headings

2/6

H1NerdSip - Use your idle time to become smarter.

multiple H1 (use only one <h1> tag per page)

Schema.org JSON-LD

2/2

Organization: NerdSip

Website

Web Page

Software App: NerdSip

4 schemas found

Canonical URL

8/8

https://nerdsip.com/

present

HTML lang

4/4

present

Character encoding

4/4

UTF-8

present

Open Graph

Title

3/3

NerdSip Microlearning App: Custom Courses on Any Topic

present

Description

3/3

Learn any topic in 5 minutes. NerdSip is the microlearning app for curious people — science-backed courses, gamified streaks, and RPG elements.

present

Image

3/3

https://nerdsip.com/logo_small_square.png

present

URL

3/3

https://nerdsip.com/

present

Type

1/1

website

present

Twitter Cards

Card Type

1/1

summary

present

Title

1/1

NerdSip Microlearning App: Custom Courses on Any Topic

present

Description

1/1

Learn any topic in 5 minutes. NerdSip is the microlearning app for curious people — science-backed courses, gamified streaks, and RPG elements.

present

Image

1/1

https://nerdsip.com/logo_small_square.png

present

Trust & Security

502

70/100

502

Security Headers

HTTPS

30/30

HTTPS enabled

HTTP Strict Transport Security

15/15

Strict-Transport-Security: max-age=31536000; includeSubDomains; preload

Content Security Policy

15/15

Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' https://*.googletagmanager.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https:; font-src 'self' data:; connect-src 'self' https://*.convex.cloud wss://*.convex.cloud https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com; frame-src 'self' https://www.youtube-nocookie.com https://www.youtube.com; frame-ancestors 'self'; base-uri 'self'; form-action 'self'

Frame Protection

5/5

X-Frame-Options: SAMEORIGIN

MIME Type Protection

5/5

X-Content-Type-Options: nosniff

Domain Trust

Domain Rating

0/25

How to improve DR→

no domain rating found

Domain Age

0/5

0 years

Registrar

Cloudflare, Inc.

Country

Infrastructure

Provider

Cloudflare

PageSpeed

8418

95/100

8418

Performance

100

SEO

Best Practices

Accessibility

Performance

89/100

Largest Contentful Paint

15/25

3.6s

2.5s4.0s

First Contentful Paint

9/10

1.7s

1.8s3.0s

Total Blocking Time

30/30

35ms

200ms400ms

Cumulative Layout Shift

25/25

0.00

0.100.25

Speed Index

10/10

1.9s

3.4s5.4s

SEO

100/100

Page isn’t blocked from indexing

31/31

Document has a `<title>` element

8/8

Document has a meta description

8/8

Page has successful HTTP status code

8/8

Links have descriptive text

8/8

Links are crawlable

8/8

robots.txt is valid

8/8

Image elements have `[alt]` attributes

8/8

Document has a valid `hreflang`

8/8

Document has a valid `rel=canonical`

8/8

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 has the HTML doctype

4/4

Properly defines charset

4/4

Browser errors were logged to the console

0/4

No issues in the `Issues` panel in Chrome Devtools

4/4

Accessibility

92/100

`[aria-*]` attributes match their roles

6/6

`[aria-hidden="true"]` is not present on the document `<body>`

6/6

`[aria-*]` attributes have valid values

6/6

`[aria-*]` attributes are valid and not misspelled

6/6

Buttons have an accessible name

6/6

Image elements have `[alt]` attributes

6/6

Form elements have associated labels

6/6

`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

6/6

ARIA attributes are used as specified for the element's role

4/4

`[aria-hidden="true"]` elements do not contain focusable descendents

4/4

Elements use only permitted ARIA attributes

4/4

Background and foreground colors do not have a sufficient contrast ratio.

0/4

Document has a `<title>` element

4/4

`<html>` element has a `[lang]` attribute

4/4

`<html>` element has a valid value for its `[lang]` attribute

4/4

Links are distinguishable without relying on color.

4/4

Links have a discernible name

4/4

Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

4/4

List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

4/4

Touch targets have sufficient size and spacing.

4/4

Heading elements are not in a sequentially-descending order

0/2

Document does not have a main landmark.

0/2

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