🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:
Response:
Calculated Shard: 5 (from laksa034)

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 5 · Partition 66
laksa005
17308952984333333205
📄
INDEXABLE
CRAWLED
2 months ago
🤖
ROBOTS ALLOWED

Page Info Filters

FilterStatusConditionDetails
HTTP statusPASSdownload_http_code = 200HTTP 200
Age cutoffPASSdownload_stamp > now() - 6 MONTH2.2 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://www.cdc.gov/vaccine-safety/vaccines/covid-19.html
Last Crawled2026-03-29 07:42:33 (2 months ago)
First Indexed2024-08-16 14:16:55 (1 year ago)
HTTP Status Code200
Content
Meta TitleCoronavirus Disease 2019 (COVID-19) Vaccine Safety | Vaccine Safety | CDC
Meta DescriptionLearn safety information about the COVID-19 vaccine
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
/Health
99.2%
/Health/Public_Health
96.0%
/Health/Public_Health/Health_Policy
93.3%
Raw JSON
{
    "/Health": 992,
    "/Health/Public_Health": 960,
    "/Health/Public_Health/Health_Policy": 933
}
ML Page Types
/Article
92.2%
/Article/Definitions
41.0%
Raw JSON
{
    "/Article": 922,
    "/Article/Definitions": 410
}
ML Intent Types
Informational
99.9%
Raw JSON
{
    "Informational": 999
}
Content Metadata
Languageen-us
Authornull
Publish Time2025-06-06 13:41:54 (12 months ago)
Original Publish Time2024-08-16 14:16:55 (1 year ago)
RepublishedYes
Word Count (Total)7,389
Word Count (Content)6,682
Links
External Links152
Internal Links139
Technical SEO
Meta NofollowNo
Meta NoarchiveNo
JS RenderedYes
Redirect Targetnull
Performance
Download Time (ms)283
TTFB (ms)281
Download Size (bytes)27,133
Location
Host ID5 (laksa005)
Partition ID66
Root Hash17308952984333333205
Unparsed URLgov,cdc!www,/vaccine-safety/vaccines/covid-19.html s443