🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 167 (from laksa038)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa167.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, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://teamtreehouse.com/library/browser-persistent-data-with-php\')), getAhrefsUnparsedNoserviceFromURL(\'https://teamtreehouse.com/library/browser-persistent-data-with-php\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php","crawl_time":1773964368,"first_indexed_time":1538797896,"http_code":200,"src_unparsed":"com,teamtreehouse!\/library\/browser-persistent-data-with-php s443","src_root_hash":"17654434789099829567","history_drop_reason":null,"meta_title":"Browser Persistent Data with PHP Course (How To) | Treehouse","meta_descriptions":["49-minute PHP course: With smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi ..."],"attrs_boilerpipe_text":"About this Course\nWith smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi novels. We're no longer content with a simple search. We want context. We expect our devices to know our locations, preferences, desires and goals. We expect tailored suggestions, reminders and announcements. Most of the time we don't even realize how much our devices or websites are setup to assist us until our connection is broken or we try to use a different device, and all of a sudden our history and setting aren't there and it's so much harder to do or find anything. Users have come to expect so much and it's just getting worse.\nSo what does that mean to you as a programmer? How can you make your own applications \"user aware\"? It starts with data persistence.\nWhat you'll learn\nData Persistence\nForms\nURL Parameters\nSessions\nCookies","attrs_markdown":"✨ [Earn college credits](https:\/\/join.teamtreehouse.com\/college-credit\/) in Cybersecurity, JS, HTML, CSS and Python\n\nJoin the [Treehouse affiliate program](https:\/\/join.teamtreehouse.com\/affiliates\/) and earn 25% recurring commission\\!\n\n✨ [Earn college credits](https:\/\/join.teamtreehouse.com\/college-credit\/) in Cybersecurity, JS, HTML, CSS and Python\n\nJoin the [Treehouse affiliate program](https:\/\/join.teamtreehouse.com\/affiliates\/) and earn 25% recurring commission\\!\n\n- ######\n- [Sign In](https:\/\/teamtreehouse.com\/signin?return_to=%2Flibrary%2Fbrowser-persistent-data-with-php)\n- [Free Trial](https:\/\/teamtreehouse.com\/subscribe\/new?trial=yes)\n\n### [Library](https:\/\/teamtreehouse.com\/library)\n![](https:\/\/videos.teamtreehouse.com\/stills\/TH-DataPersistenceWithPHP-Video1-stills-7.jpg?token=6b9dbfd2_7a0bc0eaa5d2d320b4f8d254bf5f0d755b995a89)\n\n# Browser Persistent Data with PHP\n## 49-minute PHP Course\n[Start Course](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/types-of-persistence)\n\n- [PHP Courses](https:\/\/teamtreehouse.com\/library\/topic:php)\n- Intermediate\n\n### About this Course\nWith smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi novels. We're no longer content with a simple search. We want context. We expect our devices to know our locations, preferences, desires and goals. We expect tailored suggestions, reminders and announcements. Most of the time we don't even realize how much our devices or websites are setup to assist us until our connection is broken or we try to use a different device, and all of a sudden our history and setting aren't there and it's so much harder to do or find anything. Users have come to expect so much and it's just getting worse.\n\nSo what does that mean to you as a programmer? How can you make your own applications \"user aware\"? It starts with data persistence.\n\n#### What you'll learn\n- Data Persistence\n- Forms\n- URL Parameters\n- Sessions\n- Cookies\n\n## Data Persistence on the Web\nData persistence is the means of storing information for a prolonged period of time. We can make applications that are \"user aware\" by using that information to set user preferences or show use input. We'll cover three ways to persist data in a browser. Forms, Sessions and Cookies. You can also combine these methods with a database or other file system for server based persistence.\n\n[10 steps]()\n\n- [Types of Persistence 3:27](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/types-of-persistence)\n- [Using Forms for Persistence 5:37](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/using-forms-for-persistence)\n- [Data Persistence 5 questions](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/data-persistence-on-the-web\/data-persistence)\n- [Reading, Writing and Destroying Sessions 5:27](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/reading-writing-and-destroying-sessions)\n- [Checking for Sessions 2 objectives](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/data-persistence-on-the-web\/checking-for-sessions)\n- [Writing Cookies 4:56](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/writing-cookies)\n- [Reading and Deleting Cookies 7:14](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/reading-and-deleting-cookies)\n- [Cookies 1 objective](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/data-persistence-on-the-web\/cookies)\n- [Wrapping It All Up 1:12](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/wrapping-it-all-up)\n- [Browser Persistence 10 questions](https:\/\/teamtreehouse.com\/library\/browser-persistent-data-with-php\/data-persistence-on-the-web\/browser-persistence)\n- #### Extra Credit\n  - Implement Code Challenges\n    - Check session for all 5 words, redirect to missing word\n    - Don't allow blank words\n  - If not starting over, show the last word they entered\n  - Set up a prompt to ask the user if they really want to delete the story.\n  - Write additional stories that use the same 5 words we utilized for the original story.\n  - Create a bank of different stories and save the entire story instead of the\n  - Use the language tool api to make sure the word conforms to the part of speech requested <http:\/\/wiki.languagetool.org\/public-http-api>\n\n### Teacher\n- #### Alena Holligan\n  After starting out in fine art and moving into graphic design, Alena found her passion for programming over 15 years ago and has never looked back. Alena enjoys community and is excited to introduce people to the wonderful world of PHP and the Portland Tech Community.\n  \n  When not at her computer, Alena enjoys exploring Portland with her friends and family, including her 3 young children. She also enjoys the Symphony, Cooking, Books, Yarn and Yoga.\n\n### Download videos\nYou need to sign up for Treehouse in order to download course videos.\n\n[Sign up](https:\/\/teamtreehouse.com\/subscribe\/new?trial=yes)\n\n- [About](https:\/\/teamtreehouse.com\/about)\n- [Blog](https:\/\/blog.teamtreehouse.com\/)\n- [Careers](https:\/\/teamtreehouse.com\/jobs)\n- [Community](https:\/\/teamtreehouse.com\/community)\n- [Stories](https:\/\/teamtreehouse.com\/stories)\n- [Shop](https:\/\/teespring.com\/stores\/teamtreehouse)\n- [Contact](https:\/\/teamtreehouse.com\/support)\n- [Gift Card](https:\/\/teamtreehouse.com\/giftcard)\n\n#### [See Full Catalogue](https:\/\/teamtreehouse.com\/library)\n#### [Techdegree](https:\/\/teamtreehouse.com\/techdegree)\n- [Front End Web Development](https:\/\/teamtreehouse.com\/techdegree\/front-end-web-development)\n- [Full Stack JavaScript](https:\/\/teamtreehouse.com\/techdegree\/full-stack-javascript)\n- [Python Development](https:\/\/teamtreehouse.com\/techdegree\/python-development)\n- [Data Analysis](https:\/\/teamtreehouse.com\/techdegree\/data-analysis)\n- [UX Design](https:\/\/teamtreehouse.com\/techdegree\/ux-design)\n\n#### Tracks\n- [Learn to Code for Beginners](https:\/\/teamtreehouse.com\/tracks\/learn-to-code-for-beginners)\n- [Beginning Python](https:\/\/teamtreehouse.com\/tracks\/beginning-python)\n- [Beginning SQL](https:\/\/teamtreehouse.com\/tracks\/beginning-sql)\n- [Beginning Java](https:\/\/teamtreehouse.com\/tracks\/beginning-java)\n- [...see more](https:\/\/teamtreehouse.com\/tracks)\n\n#### Courses\n- [JavaScript Basics](https:\/\/teamtreehouse.com\/library\/javascript-basics)\n- [Intro to HTML & CSS](https:\/\/teamtreehouse.com\/library\/introduction-to-html-and-css)\n- [Python Basics](https:\/\/teamtreehouse.com\/library\/python-basics)\n- [CSS Layout](https:\/\/teamtreehouse.com\/library\/css-layout)\n- [...see more](https:\/\/teamtreehouse.com\/library)\n\n#### Explore\n- [Plans](https:\/\/teamtreehouse.com\/plans)\n- [Affiliates](https:\/\/join.teamtreehouse.com\/affiliates)\n- [Perks](https:\/\/teamtreehouse.com\/perks)\n- [Free Treehouse Near Me](https:\/\/teamtreehouse.com\/libraries\/find-your-library)\n- [Treehouse for Libraries](https:\/\/join.teamtreehouse.com\/libraries\/)\n- [Treehouse for Businesses](https:\/\/teamtreehouse.com\/teams)\n\n[Terms & Conditions](https:\/\/teamtreehouse.com\/terms) \\| [Privacy](https:\/\/teamtreehouse.com\/privacy)\n\n© 2026 Treehouse Island, Inc.\n\n![](https:\/\/www.facebook.com\/tr?id=688952224481965&ev=PageView&noscript=1)","attrs_readable_markdown":"### About this Course\nWith smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi novels. We're no longer content with a simple search. We want context. We expect our devices to know our locations, preferences, desires and goals. We expect tailored suggestions, reminders and announcements. Most of the time we don't even realize how much our devices or websites are setup to assist us until our connection is broken or we try to use a different device, and all of a sudden our history and setting aren't there and it's so much harder to do or find anything. Users have come to expect so much and it's just getting worse.\n\nSo what does that mean to you as a programmer? How can you make your own applications \"user aware\"? It starts with data persistence.\n\n#### What you'll learn\n- Data Persistence\n- Forms\n- URL Parameters\n- Sessions\n- Cookies","meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

19 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`	0.6 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://teamtreehouse.com/library/browser-persistent-data-with-php
Last Crawled	2026-03-19 23:52:48 (19 days ago)
First Indexed	2018-10-06 03:51:36 (7 years ago)
HTTP Status Code	200
Meta Title	Browser Persistent Data with PHP Course (How To) \| Treehouse
Meta Description	49-minute PHP course: With smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi ...
Meta Canonical	null
Boilerpipe Text	About this Course With smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi novels. We're no longer content with a simple search. We want context. We expect our devices to know our locations, preferences, desires and goals. We expect tailored suggestions, reminders and announcements. Most of the time we don't even realize how much our devices or websites are setup to assist us until our connection is broken or we try to use a different device, and all of a sudden our history and setting aren't there and it's so much harder to do or find anything. Users have come to expect so much and it's just getting worse. So what does that mean to you as a programmer? How can you make your own applications "user aware"? It starts with data persistence. What you'll learn Data Persistence Forms URL Parameters Sessions Cookies
Markdown	✨ [Earn college credits](https://join.teamtreehouse.com/college-credit/) in Cybersecurity, JS, HTML, CSS and Python Join the [Treehouse affiliate program](https://join.teamtreehouse.com/affiliates/) and earn 25% recurring commission\! ✨ [Earn college credits](https://join.teamtreehouse.com/college-credit/) in Cybersecurity, JS, HTML, CSS and Python Join the [Treehouse affiliate program](https://join.teamtreehouse.com/affiliates/) and earn 25% recurring commission\! - ###### - [Sign In](https://teamtreehouse.com/signin?return_to=%2Flibrary%2Fbrowser-persistent-data-with-php) - [Free Trial](https://teamtreehouse.com/subscribe/new?trial=yes) ### [Library](https://teamtreehouse.com/library) ![](https://videos.teamtreehouse.com/stills/TH-DataPersistenceWithPHP-Video1-stills-7.jpg?token=6b9dbfd2_7a0bc0eaa5d2d320b4f8d254bf5f0d755b995a89) # Browser Persistent Data with PHP ## 49-minute PHP Course [Start Course](https://teamtreehouse.com/library/browser-persistent-data-with-php/types-of-persistence) - [PHP Courses](https://teamtreehouse.com/library/topic:php) - Intermediate ### About this Course With smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi novels. We're no longer content with a simple search. We want context. We expect our devices to know our locations, preferences, desires and goals. We expect tailored suggestions, reminders and announcements. Most of the time we don't even realize how much our devices or websites are setup to assist us until our connection is broken or we try to use a different device, and all of a sudden our history and setting aren't there and it's so much harder to do or find anything. Users have come to expect so much and it's just getting worse. So what does that mean to you as a programmer? How can you make your own applications "user aware"? It starts with data persistence. #### What you'll learn - Data Persistence - Forms - URL Parameters - Sessions - Cookies ## Data Persistence on the Web Data persistence is the means of storing information for a prolonged period of time. We can make applications that are "user aware" by using that information to set user preferences or show use input. We'll cover three ways to persist data in a browser. Forms, Sessions and Cookies. You can also combine these methods with a database or other file system for server based persistence. [10 steps]() - [Types of Persistence 3:27](https://teamtreehouse.com/library/browser-persistent-data-with-php/types-of-persistence) - [Using Forms for Persistence 5:37](https://teamtreehouse.com/library/browser-persistent-data-with-php/using-forms-for-persistence) - [Data Persistence 5 questions](https://teamtreehouse.com/library/browser-persistent-data-with-php/data-persistence-on-the-web/data-persistence) - [Reading, Writing and Destroying Sessions 5:27](https://teamtreehouse.com/library/browser-persistent-data-with-php/reading-writing-and-destroying-sessions) - [Checking for Sessions 2 objectives](https://teamtreehouse.com/library/browser-persistent-data-with-php/data-persistence-on-the-web/checking-for-sessions) - [Writing Cookies 4:56](https://teamtreehouse.com/library/browser-persistent-data-with-php/writing-cookies) - [Reading and Deleting Cookies 7:14](https://teamtreehouse.com/library/browser-persistent-data-with-php/reading-and-deleting-cookies) - [Cookies 1 objective](https://teamtreehouse.com/library/browser-persistent-data-with-php/data-persistence-on-the-web/cookies) - [Wrapping It All Up 1:12](https://teamtreehouse.com/library/browser-persistent-data-with-php/wrapping-it-all-up) - [Browser Persistence 10 questions](https://teamtreehouse.com/library/browser-persistent-data-with-php/data-persistence-on-the-web/browser-persistence) - #### Extra Credit - Implement Code Challenges - Check session for all 5 words, redirect to missing word - Don't allow blank words - If not starting over, show the last word they entered - Set up a prompt to ask the user if they really want to delete the story. - Write additional stories that use the same 5 words we utilized for the original story. - Create a bank of different stories and save the entire story instead of the - Use the language tool api to make sure the word conforms to the part of speech requested <http://wiki.languagetool.org/public-http-api> ### Teacher - #### Alena Holligan After starting out in fine art and moving into graphic design, Alena found her passion for programming over 15 years ago and has never looked back. Alena enjoys community and is excited to introduce people to the wonderful world of PHP and the Portland Tech Community. When not at her computer, Alena enjoys exploring Portland with her friends and family, including her 3 young children. She also enjoys the Symphony, Cooking, Books, Yarn and Yoga. ### Download videos You need to sign up for Treehouse in order to download course videos. [Sign up](https://teamtreehouse.com/subscribe/new?trial=yes) - [About](https://teamtreehouse.com/about) - [Blog](https://blog.teamtreehouse.com/) - [Careers](https://teamtreehouse.com/jobs) - [Community](https://teamtreehouse.com/community) - [Stories](https://teamtreehouse.com/stories) - [Shop](https://teespring.com/stores/teamtreehouse) - [Contact](https://teamtreehouse.com/support) - [Gift Card](https://teamtreehouse.com/giftcard) #### [See Full Catalogue](https://teamtreehouse.com/library) #### [Techdegree](https://teamtreehouse.com/techdegree) - [Front End Web Development](https://teamtreehouse.com/techdegree/front-end-web-development) - [Full Stack JavaScript](https://teamtreehouse.com/techdegree/full-stack-javascript) - [Python Development](https://teamtreehouse.com/techdegree/python-development) - [Data Analysis](https://teamtreehouse.com/techdegree/data-analysis) - [UX Design](https://teamtreehouse.com/techdegree/ux-design) #### Tracks - [Learn to Code for Beginners](https://teamtreehouse.com/tracks/learn-to-code-for-beginners) - [Beginning Python](https://teamtreehouse.com/tracks/beginning-python) - [Beginning SQL](https://teamtreehouse.com/tracks/beginning-sql) - [Beginning Java](https://teamtreehouse.com/tracks/beginning-java) - [...see more](https://teamtreehouse.com/tracks) #### Courses - [JavaScript Basics](https://teamtreehouse.com/library/javascript-basics) - [Intro to HTML & CSS](https://teamtreehouse.com/library/introduction-to-html-and-css) - [Python Basics](https://teamtreehouse.com/library/python-basics) - [CSS Layout](https://teamtreehouse.com/library/css-layout) - [...see more](https://teamtreehouse.com/library) #### Explore - [Plans](https://teamtreehouse.com/plans) - [Affiliates](https://join.teamtreehouse.com/affiliates) - [Perks](https://teamtreehouse.com/perks) - [Free Treehouse Near Me](https://teamtreehouse.com/libraries/find-your-library) - [Treehouse for Libraries](https://join.teamtreehouse.com/libraries/) - [Treehouse for Businesses](https://teamtreehouse.com/teams) [Terms & Conditions](https://teamtreehouse.com/terms) \\| [Privacy](https://teamtreehouse.com/privacy) © 2026 Treehouse Island, Inc. ![](https://www.facebook.com/tr?id=688952224481965&ev=PageView&noscript=1)
Readable Markdown	### About this Course With smartphones, smartwatches and even smart appliances, the internet of things has brought us into a world to rival sci-fi novels. We're no longer content with a simple search. We want context. We expect our devices to know our locations, preferences, desires and goals. We expect tailored suggestions, reminders and announcements. Most of the time we don't even realize how much our devices or websites are setup to assist us until our connection is broken or we try to use a different device, and all of a sudden our history and setting aren't there and it's so much harder to do or find anything. Users have come to expect so much and it's just getting worse. So what does that mean to you as a programmer? How can you make your own applications "user aware"? It starts with data persistence. #### What you'll learn - Data Persistence - Forms - URL Parameters - Sessions - Cookies
Shard	167 (laksa)
Root Hash	17654434789099829567
Unparsed URL	com,teamtreehouse!/library/browser-persistent-data-with-php s443