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https://home.cern

SEO

· 7 checks — Canonical, meta, content depth, internal links, image SEO, and hreflang rolled into one auditable list.
SCORE
90
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
920 words, Difficult
REVIEW
920 words, Difficult
Info::
Page has 920 words of content
Info::
Text-to-HTML ratio is 4%
Very low ratio suggests heavy framework overhead or boilerplate.
Info::
Reading level: Difficult (grade 12)
920 words

Good depth

Reading level

Very Easy
Easy
Fairly Easy
Standard
Fairly Difficult
Difficult
Very Difficult

Grade 12

Text-to-HTML Ratio

4% text 96% HTML

6 KB / 156 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://home.cern/
Info::
Canonical is self-referencing
Info::
Canonical matches final URL after redirects
Info::
Canonical target reachable (self-referencing)
Canonical URL Problem
Page URL https://home.cern Canonical https://home.cern/ Match Self-referencing (correct)
A
Meta Tags
Title: 11 chars
PASS
Title: 11 chars
Info::
Page title is set
Got: Home | CERN
Warning::
Title is only 11 characters — consider expanding
Info::
Title and H1 are well-aligned
Title

"Home | CERN"

11 characters Too short
Title: Home | CERN
H1: CERN Accelerating science
Match: Very different
Robots: Indexable (no restrictions)
A+
Image SEO
8 images, 7 descriptive filenames
PASS
8 images, 7 descriptive filenames
Info::
1 image(s) have hash/generic filenames
7 descriptive
0 hash-based
1 generic
8 total
FilenameQualityAltIssues
X.pnggeneric✓1
Current: X.png
Suggested: lburdych.png

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.

Missing schema opportunities

  • moderate

    Event

    Page mentions an event (time element or event markup) that could be marked up as Event

    Events appear in dedicated event search and Google Events

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.

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