🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 85 (from laksa008)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa085.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, meta_canonical AS meta_canonical, ml_categories_json AS ml_categories_json, ml_types_json AS ml_types_json, ml_intent_types_json AS ml_intent_types_json, meta_language AS meta_language, attrs_author AS attrs_author, ifNull(toUnixTimestamp(attrs_publish_time), 0) AS attrs_publish_time, ifNull(toUnixTimestamp(attrs_original_publish_time), 0) AS attrs_original_publish_time, ifNull(attrs_is_republished, 0) AS attrs_is_republished, ifNull(attrs_nr_words, 0) AS attrs_nr_words, ifNull(attrs_boilerpipe_nr_words, 0) AS attrs_boilerpipe_nr_words, ifNull(body_ext_links_number, 0) AS body_ext_links_number, ifNull(body_int_links_number, 0) AS body_int_links_number, ifNull(meta_nofollow, 0) AS meta_nofollow, ifNull(meta_noarchive, 0) AS meta_noarchive, ifNull(props_was_rendered, 0) AS props_was_rendered, ifNull(src_redirect, \'\') AS src_redirect, ifNull(download_time_msec, 0) AS download_time_msec, ifNull(download_ttfb_msec, 0) AS download_ttfb_msec, ifNull(download_size, 0) AS download_size FROM crawler3.page_info_local FINAL PREWHERE int_partition_id = 16 AND (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://radu.link/keep-form-data-submit-refresh-php/\')), getAhrefsUnparsedNoserviceFromURL(\'https://radu.link/keep-form-data-submit-refresh-php/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/radu.link\/keep-form-data-submit-refresh-php\/","crawl_time":1779721561,"first_indexed_time":1627321367,"http_code":200,"src_unparsed":"link,radu!\/keep-form-data-submit-refresh-php\/ s443","src_root_hash":"15007054701415423285","history_drop_reason":null,"meta_title":"How to Keep Form Data After Submit and Refresh Using PHP - Radu.link","meta_descriptions":["Here are two simple PHP methods to keep the form input data after the user submits the form and the page refreshes."],"meta_canonical":null,"ml_categories_json":"{\"\/Computers_and_Electronics\":941,\"\/Computers_and_Electronics\/Programming\":721,\"\/Computers_and_Electronics\/Programming\/Scripting_Languages\":683,\"\/Internet_and_Telecom\":212,\"\/Internet_and_Telecom\/Web_Services\":206,\"\/Internet_and_Telecom\/Web_Services\/Web_Design_and_Development\":202}","ml_types_json":"{\"\/Article\":999,\"\/Article\/How_to\":856}","ml_intent_types_json":"{\"Informational\":999}","meta_language":"en","attrs_author":null,"attrs_publish_time":1575893975,"attrs_original_publish_time":1575893975,"attrs_is_republished":0,"attrs_nr_words":"950","attrs_boilerpipe_nr_words":"776","body_ext_links_number":16,"body_int_links_number":8,"meta_nofollow":0,"meta_noarchive":0,"props_was_rendered":1,"src_redirect":"","download_time_msec":263,"download_ttfb_msec":262,"download_size":7195}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📍

LOCATION

Host 85 · Partition 16

laksa085

15007054701415423285

📄

INDEXABLE

✅

CRAWLED

8 days ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.3 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property

Value

URL

https://radu.link/keep-form-data-submit-refresh-php/

Last Crawled

2026-05-25 15:06:01 (8 days ago)

First Indexed

2021-07-26 17:42:47 (4 years ago)

HTTP Status Code

200

Content

Meta Title

How to Keep Form Data After Submit and Refresh Using PHP - Radu.link

Meta Description

Here are two simple PHP methods to keep the form input data after the user submits the form and the page refreshes.

Meta Canonical

null

Boilerpipe Text

heavy column, fetched on demand

Markdown

heavy column, fetched on demand

Readable Markdown

heavy column, fetched on demand

ML Classification

ML Categories

/Computers_and_Electronics		94.1%
/Computers_and_Electronics/Programming		72.1%
/Computers_and_Electronics/Programming/Scripting_Languages		68.3%
/Internet_and_Telecom		21.2%
/Internet_and_Telecom/Web_Services		20.6%
/Internet_and_Telecom/Web_Services/Web_Design_and_Development		20.2%

Raw JSON

{
    "/Computers_and_Electronics": 941,
    "/Computers_and_Electronics/Programming": 721,
    "/Computers_and_Electronics/Programming/Scripting_Languages": 683,
    "/Internet_and_Telecom": 212,
    "/Internet_and_Telecom/Web_Services": 206,
    "/Internet_and_Telecom/Web_Services/Web_Design_and_Development": 202
}

ML Page Types

/Article		99.9%
/Article/How_to		85.6%

Raw JSON

{
    "/Article": 999,
    "/Article/How_to": 856
}

ML Intent Types

Informational

99.9%

Raw JSON

{
    "Informational": 999
}

Content Metadata

Language

Author

null

Publish Time

2019-12-09 12:19:35 (6 years ago)

Original Publish Time

2019-12-09 12:19:35 (6 years ago)

Republished

Word Count (Total)

950

Word Count (Content)

776

Links

External Links

Internal Links

Technical SEO

Meta Nofollow

Meta Noarchive

JS Rendered

Yes

Redirect Target

null

Performance

Download Time (ms)

263

TTFB (ms)

262

Download Size (bytes)

7,195

Location

Host ID

85 (laksa085)

Partition ID

Root Hash

15007054701415423285

Unparsed URL

link,radu!/keep-form-data-submit-refresh-php/ s443