Readwise.io SEO Score & Performance Report

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https://readwise.io

Desktop

Mobile

Score Analysis

LIVE

77OF 100

Needs Work

SEO

Perf

Page Title

Readwise

Google Search Preview|How your page appears in search results

SERP Score

Needs Work

readwise.io

https://readwise.io

Readwise

Grow wiser and retain books better: Readwise sends you a daily email resurfacing your best highlights from Kindle, Instapaper, iBooks, and more.

Snippet Quality

Title Length8 chars

030–60 optimal90

Description Length144 chars

070–160 optimal240

Power Word

CTA

URL Readable

HTTPS

No Truncation

Recommendations2 found

warningTitle too short (8 chars)

Aim for 50-60 characters

infoTitle lacks CTR-boosting power words

Consider adding words like "free", "guide", "best" to improve click-through rate

Performance Report|Google PageSpeed Insights

Lighthouse v13.0.1Mar 3, 2026, 05:21 PM

Status200OK

Load Time0.44sFAST

HTML Size102 KBOK

CompressionGZIPON

HTTPSSecureSECURE

Render-Block13 scriptsFOUND

Needs Improvement

LCPPOOR

19.5 s

Largest Contentful Paint

FCPPOOR

4.3 s

First Contentful Paint

TBTGOOD

140 ms

Total Blocking Time

CLSGOOD

0.072

Cumulative Layout Shift

SIPOOR

7.6 s

Speed Index

TTFBGOOD

Root document took 10 ms

Time to First Byte

FIDNEEDS WORK

180 ms

First Input Delay

Page Load FilmstripVisual timeline of how your page renders

0.7s

1.3s

2.0s

2.7s

3.3s

4.0s

4.7s

5.4s

Issues Found8 found

criticalLargest Contentful Paint: 19.5 s (poor)high

How to fixOptimize images, preload LCP element, reduce server response time. Target < 2.5s

What this meansLCP measures when the largest visible element finishes rendering.

SEO ImpactSlow LCP increases bounce rate and hurts Core Web Vitals ranking signal.

warningFirst Contentful Paint: 4.3 s (poor)medium

How to fixReduce server response time, eliminate render-blocking resources, inline critical CSS. Target < 1.8s

What this meansFCP measures when the first piece of content is rendered on screen.

SEO ImpactSlow FCP means users see a blank page for too long.

warningSpeed Index: 7.6 s (poor)medium

How to fixOptimize critical rendering path, reduce main-thread work. Target < 3.4s

What this meansSpeed Index measures how quickly content is visually displayed during page load.

SEO ImpactA high Speed Index means the page appears to load slowly.

warningReduce unused CSS - Est savings of 303 KiB (potential savings: 1650ms) / 303 KB

How to fixReduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

warningReduce unused JavaScript - Est savings of 175 KiB (potential savings: 1050ms) / 175 KB

How to fixReduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

infoAvoid enormous network payloads - Total size was 6,965 KiB

How to fixLarge network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

infoImage elements do not have explicit `width` and `height`

How to fixSet an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

warning13 render-blocking scripts in <head>

How to fixAdd async or defer to scripts

OpportunitiesPotential savings to improve load time

Reduce unused CSSEst savings of 303 KiB

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

1.6s potential savings 303 KB transferable

Reduce unused JavaScriptEst savings of 175 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

1.1s potential savings 175 KB transferable

Avoid enormous network payloadsTotal size was 6,965 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

DiagnosticsAdditional performance insights

Image elements do not have explicit `width` and `height`

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Avoid large layout shifts

Minify CSS

Optimize DOM size

Avoid multiple page redirects

Optimize viewport for mobile

Resources Summary

Final Screenshot

Network Round Trip Times

Document request latency

Network Requests

Server Backend Latencies

Avoid long main-thread tasks

Duplicated JavaScript

LCP breakdown

Layout shift culprits

Metrics

Minify JavaScript

3rd parties

Diagnostics

Tasks

Minimizes main-thread work

Forced reflow

Initial server response time was short

Screenshot Thumbnails

Script Treemap Data

JavaScript execution time

Heading Structure|Content hierarchy and heading tags

77 / 100

H1

ideal: 1

H2

ideal: 2+

H3

ideal: optional

H4

ideal: optional

Heading Hierarchy19 total

H1Get the most out of what you read

H1Here's how Readwise works:

H1Here's what our users say:

H2Readwise makes it easy to revisit and learn from your ebook & article highlights.

H2Import Highlights

H2Review

H2Remember

H2Revisit your highlights

H2Remember what you read

H2Tag, note, search, and organize

H2Sync to your favorite note-taking apps

H2Start reading with superpowers

H2Get More Time

H4Sync your highlights from Kindle, Instapaper, iBooks, and more.

H4Review the best parts easily through a daily email & app.

H4Recall more and grow your knowledge over time.

H5or

H6or

 Hierarchy Gaps

H2 -> H4

Duplicate Headings

Recommendations3

warningMultiple H1 tags (3)

Use only one <h1> per page

infoHeading hierarchy has gaps: H2 -> H4

Maintain a logical heading hierarchy: H1 -> H2 -> H3

info2 duplicate heading(s) found

Use unique headings for each section

Structured Data|Schema markup, Open Graph and Twitter Cards

70 / 100

JSON-LD Schema

Not found

Open Graph

5 tags

Twitter Cards

1 tag

Microdata

Not found

Open Graph Tags

og:titleReadwise

og:descriptionGrow wiser and retain books better: Readwise sends you a daily email resurfacing your best highlights from Kindle, Instapaper, iBooks, and more.

og:imagehttps://readwise-assets.s3.amazonaws.com/static/images/readwisecard.058019f9f4b1.jpg

og:urlhttps://readwise.io

og:typesummary

missing: og:site_namemissing: og:locale

Recommendations1

criticalNo JSON-LD structured data found

Add JSON-LD schema markup (e.g., WebPage, Organization, Article)

Image Optimization|Alt text, lazy loading and dimensions

75 / 100

Total Images

Missing Alt Text

96% have alt text

Missing Dimensions

Lazy Loaded

63%

30 of 48 images

Images Missing Alt Text2

https://readwise-assets.s3.amazonaws.com/static/images/landing/landing_hero.12a1e031294d.png

https://readwise-assets.s3.amazonaws.com/static/images/landing/down.2078cd29b190.png

Recommendations2

critical2 images missing alt attribute

Add descriptive alt text to all images

info47 images without explicit dimensions

Add width/height to prevent layout shifts (CLS)

Link Analysis|Internal, external and nofollow links

100 / 100

Total Links

Internal

36% of all links

External

64% of all links

Nofollow

Link Distribution

36% Internal

64% External

External Links

twitter.comhttps://twitter.com/Nneuman/status/919923459223822336

twitter.comhttps://twitter.com/dianakimball/status/912673027103453185

twitter.comhttps://twitter.com/robram/status/999645760378548224

twitter.comhttps://twitter.com/calebhicks/status/1148057578779234305

twitter.comhttps://twitter.com/schlaf/status/1257648420552159232?ref_src=twsrc%5Etfw

twitter.comhttps://twitter.com/ThisIsFlorianK/status/1253654430454616064

twitter.comhttps://twitter.com/mckaywrigley/status/1237053141889122304

twitter.comhttps://twitter.com/gauravvohra1/status/1237259082613944321

twitter.comhttps://twitter.com/iammerrick/status/1297648538185117698

twitter.comhttps://twitter.com/sidharthajha/status/1221477404327235584

+20 more

Indexability|Robots, canonical and sitemap

75 / 100

Canonical URL

Missing

Noindex

Allowed

Robots.txt

Found

Sitemap

Missing

Crawl Directives

Meta RobotsNot set

X-Robots-TagNot set

GooglebotNot set

NofollowNo — links followed

CanonicalNot set

Page URLhttps://readwise.io

Recommendations3

warningNo canonical tag found

Add <link rel="canonical"> pointing to the preferred URL

infoNo Sitemap reference in robots.txt

Add Sitemap: https://readwise.io/sitemap.xml to robots.txt

warningNo XML sitemap found

Create a sitemap.xml and submit it to search engines

Content Structure|Content quality and semantic HTML

80 / 100

Word Count

691

Paragraphs

All good length

Lists

Words per Heading

Ideal: 100-300

Title vs H1 Alignment1950% similar

TITLE TAG

Readwise

H1 TAG

Get the most out of what you read

Semantic HTML Elements2 sections

<main>

<nav>

Recommendations2

warningTitle and H1 have low similarity (20%)

Align your <title> and <h1> to reinforce the main topic

warningFew semantic HTML5 elements used

Use <main>, <article>, <nav>, <header>, <footer>, <section>

AI Readability|How easily AI models can process your content

100 / 100

Reading Level

Fairly Easy

Moderately complex

Total Words

691

Sentences

Avg Sentence Length

14 words

Vocabulary Richness

49%

335 unique words

Opening Paragraph38 words

Highlighting is great, but what's the point if you're never going to see any of those highlights again? Readwise lets you quickly liberate your highlights (all into one place), and ensures that you'll actually see and use them.

AI Citation Potential|How likely AI will quote your content

75 / 100

Named Entities

955% density

FAQ Patterns

No FAQ Schema

Citations

Lists & Tables

8 items, 0 tables

Top Named Entities

Readwise14Sign6Email4Amazon2Get2Sync2Invite2Terms2Privacy2Reader1New1Forgot1When1Apple1Heres1Import1Highlights1Kindle1Instapaper1Review1

Quotable Content

Upgrade to the full Readwise

Invite your friends to Readwise

Recommendations3

warningLow quoteability - few clear, citable statements

Add bold key statements, blockquotes, or clear definitions that AI can extract

warningNo FAQ-style content detected

Add question-and-answer sections with heading questions (H2/H3 with "?")

infoNo source attribution detected

Add citations or "according to" attributions to increase credibility

Content Freshness|Date signals and cache headers

75 / 100

Date Signals

None

No date signals found on page

Cache Control

Not set

ETag

Not set

Date Signals

Last-Modified HeaderNot found

Published DateNot found

Modified DateNot found

Recommendations2

warningNo datePublished or dateModified in structured data

Add datePublished and dateModified to your JSON-LD schema.

infoNo date/time signals found anywhere on page

Add <time datetime="..."> elements or schema dates to help AI assess content freshness

Security Headers|HTTP security headers analysis

60 / 100

Content-Security-Policy

Prevents XSS and injection attacks

MISSING

Strict-Transport-Security

Forces HTTPS connections

MISSING

X-Frame-Options

Prevents clickjacking attacks

DENY

SET

X-Content-Type-Options

Prevents MIME-type sniffing

nosniff

SET

Referrer-Policy

Controls referrer information

same-origin

SET

Permissions-Policy

Controls browser features

MISSING

Recommendations3

criticalMissing Content-Security-Policy header

Add Content-Security-Policy header to prevent XSS and data injection attacks

warningMissing Strict-Transport-Security header

Add Strict-Transport-Security header with max-age of at least 31536000

infoMissing Permissions-Policy header

Add Permissions-Policy header to control browser features

Trust Signals|Essential trust-building pages

85 / 100

Contact Page

MISSING

A contact page builds trust with visitors and search engines

About Page

MISSING

An about page establishes credibility and expertise

FOUND

Required for compliance and builds user trust

/privacy

FOUND

Protects both the site owner and users

/tos

Recommendations2

infoMissing trust pages: contact, about

Consider adding links to: contact, about

infoNo author attribution found

Add author information via schema markup or rel="author" for E-E-A-T signals

Tech Stack|9 technologies detected

95 / 100

Analytics2

🏷️

Google Tag Manager

Script signature

javascript

📊

Google Analytics

Script signature

javascript

CDN2

☁️

Cloudflare

Server: cloudflare

header

🛠️

Google Hosted Libraries

Script signature

javascript

Frameworks5

⚛️

React

Script signature

javascript

🔶

jQuery

Script signature

javascript

🛠️

Prototype

Script signature

javascript

🛠️

Fetch API

Script signature

javascript

🛠️

Bulma

CSS link

css

readwise.io SEO Analysis