perlego.com
Perlego | An online subscription for all your academic books
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Excellent
Summary
Save up to 90% on textbooks. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Multiple H1 headings found.
Save up to 90% on textbooks. Read over 1.5 million professional and academic ebooks in one simple space.
- United States
- Hosted on Cloudflare
Top issues to fix
3 issues found · 1 high priority
Slow estimated load (7.3s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
2 issue(s) found
Performance
7.28 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Save up to 90% on textbooks. Read over 1.5 million professional and academic ebooks in one simple space.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Perlego | An online subscription for all your academic books
- Description
- Save up to 90% on textbooks. Read over 1.5 million professional and academic ebooks in one simple space.
- Canonical
- https://www.perlego.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.26.209
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- perlego.com
- Valid from
- Jul 14, 2026
- Valid to
- Oct 12, 2026
- Days until expiry
- 77
- SAN domains
- perlego.com, *.perlego.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 9 · H2 14 · H3 3
Links
125 internal · 12 external · 0 broken
Images
27 total · 1 missing alt
Scripts / Styles
54 scripts · 1 stylesheets
JS / CSS size
497 KB · 84.4 KB
Page size
250 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 126
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://perlego.com
- Final URL
- https://www.perlego.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 7.27 s
- HTML size
- 250 KB
- Redirect chain
- https://perlego.com → https://www.perlego.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does perlego.com use?
- perlego.com is built with Next.js, Google Analytics, Cloudflare Analytics.
- Is perlego.com secure (HTTPS)?
- Yes. perlego.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 12, 2026.
- Who hosts perlego.com?
- perlego.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is perlego.com's SEO score?
- perlego.com scored 85/100 for SEO in the latest analysis (great).
- What is perlego.com's overall website score?
- perlego.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card