What is Http Header

HTTP headers are the request to a server for information and the resulting response. When you type an address into your browser it sends a request to the server hosting the domain and the server responds. Our tool provides information such as date of request, server details, cookies, content length and content type.

There are many types of HTTP headers:

HTTP Header Type: Date

A SRFI-19 date.

HTTP Header Type: KVList

A list whose elements are keys or key-value pairs. Keys are parsed to symbols. Values are strings by default. Non-string values are the exception, and are mentioned explicitly below, as appropriate.

HTTP Header Type: SList

A list of strings.

HTTP Header Type: Quality

An exact integer between 0 and 1000. Qualities are used to express preference, given multiple options. An option with a quality of 870, for example, is preferred over an option with quality 500.

(Qualities are written out over the wire as numbers between 0.0 and 1.0, but since the standard only allows three digits after the decimal, it’s equivalent to integers between 0 and 1000, so that’s what Guile uses.)

HTTP Header Type: QList

A quality list: a list of pairs, the car of which is a quality, and the cdr a string. Used to express a list of options, along with their qualities.

HTTP Header Type: ETag

An entity tag, represented as a pair. The car of the pair is an opaque string, and the cdr is #t if the entity tag is a “strong” entity tag, and #f otherwise.

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  • 9+ Years of experience
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Are you looking for a web scraping solution specifically engineered for you?

At Web-Parsing the web scraping process is accompanied by a highly skilled and dedicated team of professionals, web programmers, Analyst and web scraping experts to deliver Accurate and Quality data on time without fail. In case you're planning to play big and stay in the race for longer, you should definitely use our Web Scraping services to get valuable data for your business need or for competition tracking or for price comparison or for Market Research or Analysis.

Web-Parsing has extensive uses and applications in your business no matter which domain you work in. Therefore, it is advisable that you incorporate web scraping services for them. Doing them in-house would cost you a fortune, so it is advisable to outsource them.

We're serving all industries

  • Real Estate

    Data scraping for Property listings, property prices, property bids and offers, property owners

  • Retail

    Tracking information from company sites and e-stores

  • E-commerce

    Product description, product availability, product prices, product categories, product /images and more. Mine amazon data and ebay data to increase your sales

  • Travel

    Travel packages, prices, details, travel agents and more Mine Travel Data

  • Auto

    Auto parts, accessories, auto auction prices and more.

  • Data Mining Solutions

    Data for Lead Generation or Data for calling
    Mine Ebay Data
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Our Delighted Clients

  • user 5

    Bruce Gimbel

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  • user 1

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  • user 5

    Bruce Gimbel

    "I just used Web Parsing for the first time and let me tell you, I was beyond impressed. They were able to retrieve every piece of data I requested and did so in a timely manner and at a fair price."

  • user 1

    Mick Jones

    " I was lucky to find web-parsing web scraping services for my projects as their work is very accurate and professional. It is very difficult to find a company offering all web scraping, screen scraping, web data extraction, Data Mining and Big Data solutions with high end accuracy and on time."

  • user 2

    John - Boston, MA

    "Web-parsing scraping data both promptly, accurately and professionally. We appreciate them for their exceptional job for getting data for our Price Comparison Website."

  • user 3

    Rick H., Belgium

    Very successful in scraping large amounts of data. Web Parsing experts has helped me out with several scraping projects."

  • user 4

    Chris Pilson

    "Extremely professional and high quality data. I found it extremely accurate and useful. I highly recommend Web Parsing for startups and businesses looking for data."

Some of Our Clients & Partners

  • York Global
  • Retail Data
  • TMF Group
  • Domain Base