Skip to content
https://sciencealert.com

SEO

· 7 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.
SCORE
92
GRADE
A
FIX
0
REVIEW
1
PASS
5
INFO
1

Cross-tab audit — SEO, performance, crawlability, mobile, structured data

Checks
7
5 PASS 1 REVIEW
C
Content Depth
Action
461 words, Standard
REVIEW
461 words, Standard
Info::
Page has 461 words of content
Info::
Text-to-HTML ratio is 1%
Very low ratio suggests heavy framework overhead or boilerplate.
Info::
Reading level: Standard (grade 11)
461 words

Good depth

Reading level

Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult

Grade 11

Text-to-HTML Ratio

1% text 99% HTML

3 KB / 193 KB

Very low ratio suggests heavy framework overhead or boilerplate.

Why this matters

Informational: ratio of visible text bytes to total HTML bytes. Very low ratios suggest excessive markup overhead.

A+
Canonical URL
Properly configured
PASS
Properly configured
Info::
Canonical tag present
Got: https://www.sciencealert.com/
Info::
Canonical is self-referencing
Info::
Canonical matches final URL after redirects
Info::
Canonical target returns 200
Info::
Canonical points to a different domain
Canonical URL Configured
Page URL https://sciencealert.com Canonical https://www.sciencealert.com/ Match Self-referencing (correct) Target 200 ✓
A+
Meta Tags
Title: 65 chars
PASS
Title: 65 chars
Info::
Page title is set
Got: ScienceAlert : The Best in Science News And Amazing Breakthroughs
Info::
Title is 65 characters — may be truncated in search results
Title

"ScienceAlert : The Best in Science News And Amazing Breakthroughs"

65 characters Will truncate
Robots: Indexable (no restrictions)
A+
Image SEO
17 images, 17 descriptive filenames
PASS
17 images, 17 descriptive filenames
Info::
All images have descriptive filenames
17 descriptive
0 hash-based
0 generic
17 total
All images have descriptive filenames and proper SEO attributes.

See Accessibility tab for detailed alt text quality analysis.

A+
Schema Markup Audit
Per-type completeness vs Schema.org requirements + rich-result eligibility
PASS

No structured data detected

Without JSON-LD or microdata, this page can't qualify for any of Google's rich result formats. Even basic Organization or WebSite schema is a quick win.

Hreflang
0 hreflang tags
INFO
0 hreflang tags

No hreflang tags detected.

Hreflang tags are only needed for multilingual or multi-regional sites.

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

Send Feedback