🕷️ Crawler Inspector

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Raw Queries and Responses

1. Shard Calculation

Query:
Response:
Calculated Shard: 94 (from laksa147)

2. Crawled Status Check

Query:
Response:

3. Robots.txt Check

Query:
Response:

4. Spam/Ban Check

Query:
Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍
LOCATION
Host 94 · Partition 54
laksa094
16520191723648810894
📄
INDEXABLE
CRAWLED
1 month ago
🤖
ROBOTS ALLOWED

Page Info Filters

FilterStatusConditionDetails
HTTP statusPASSdownload_http_code = 200HTTP 200
Age cutoffPASSdownload_stamp > now() - 6 MONTH1.9 months ago
History dropPASSisNull(history_drop_reason)No drop reason
Spam/banPASSfh_dont_index != 1 AND ml_spam_score = 0ml_spam_score=0
CanonicalPASSmeta_canonical IS NULL OR = '' OR = src_unparsedNot set

Page Details

PropertyValue
URLhttps://online.stat.psu.edu/stat857/node/155/
Last Crawled2026-04-06 21:16:44 (1 month ago)
First Indexednot set
HTTP Status Code200
Content
Meta Title5.1 - Ridge Regression | STAT 897D
Meta Descriptionnull
Meta Canonicalnull
Boilerpipe Text
heavy column, fetched on demand
Markdown
heavy column, fetched on demand
Readable Markdown
heavy column, fetched on demand
ML Classification
ML Categories
/Science
85.2%
/Science/Mathematics
79.8%
/Science/Mathematics/Statistics
58.4%
Raw JSON
{
    "/Science": 852,
    "/Science/Mathematics": 798,
    "/Science/Mathematics/Statistics": 584
}
ML Page Types
/Article
85.0%
/Article/Tutorial_or_Guide
57.0%
Raw JSON
{
    "/Article": 850,
    "/Article/Tutorial_or_Guide": 570
}
ML Intent Types
Informational
99.8%
Raw JSON
{
    "Informational": 998
}
Content Metadata
Languageen
Authornull
Publish Timenot set
Original Publish Time2020-03-15 18:35:58 (6 years ago)
RepublishedNo
Word Count (Total)2,501
Word Count (Content)1,703
Links
External Links0
Internal Links32
Technical SEO
Meta NofollowNo
Meta NoarchiveNo
JS RenderedYes
Redirect Targetnull
Performance
Download Time (ms)89
TTFB (ms)68
Download Size (bytes)28,392
Location
Host ID94 (laksa094)
Partition ID54
Root Hash16520191723648810894
Unparsed URLedu,psu!stat,online,/stat857/node/155/ s443