Varnish

Varnish is used by 1.37% of sites

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Varnish is an open-source web application accelerator and caching HTTP reverse proxy. It is designed to improve the performance and scalability of websites by caching content and serving it directly from memory, reducing the load on the backend servers.

Here are the key features and functions of Varnish:

HTTP Reverse Proxy: Varnish acts as a reverse proxy server, sitting between the client and the backend web server. When a client requests content, Varnish intercepts the request and forwards it to the backend server on behalf of the client. The response from the server is then cached by Varnish and subsequent requests for the same content can be served directly from the cache.

Content Caching: Varnish caches the content of web pages, images, and other static or dynamic resources in memory. By serving content from the cache, Varnish reduces the response time and improves the overall performance of the website. Caching is especially effective for static content that doesn't change frequently.

HTTP Acceleration: Varnish optimizes the delivery of web content by implementing various techniques, such as request and response filtering, compression, and pipelining. It minimizes network latency, reduces server load, and enhances the user experience by delivering content faster.

Edge Side Includes (ESI): Varnish supports Edge Side Includes, which allows dynamic content to be included within cached pages. This enables selective caching of different parts of a webpage and the ability to update dynamic content within the cached page without invalidating the entire cache.

Cache Invalidation: Varnish provides mechanisms to invalidate or refresh the cache when the underlying content changes. This ensures that users receive the most up-to-date content by bypassing the cache for modified resources.

Load Balancing: Varnish can be used as a load balancer, distributing client requests across multiple backend servers based on various algorithms such as round-robin, least connections, or client IP. This helps distribute the load evenly among backend servers, improving scalability and reliability.

VCL (Varnish Configuration Language): Varnish is highly customizable through its configuration language called VCL. VCL allows developers to define custom caching rules, handle complex request and response scenarios, and implement advanced caching strategies tailored to specific application requirements.

Logging and Monitoring: Varnish provides logging facilities to track and analyze requests, cache hits, cache misses, and other performance metrics. It also integrates with monitoring tools and metrics systems to monitor the health and performance of the caching infrastructure.

Varnish is widely used by high-traffic websites, content delivery networks (CDNs), and web application providers to improve the scalability and speed of their services. By caching content and serving it directly from memory, Varnish reduces the response time, lowers server load, and enhances the overall user experience.

Top Websites using Varnish

: Bounce ratePages / VisitVisit duration
751icnewcastle.co.uk Chronicle Live: Number one for news, opinion, sport & celebrity gossip Get the latest Newcastle news and North East news from the Evening Chronicle. Local website with breaking news, NUFC news, SAFC news, video, sport and weather from Newcastle and the North East region.: n/a 2.16 n/a
752hiveage.com Hiveage | Online Billing Software & Invoicing System Online billing software for small businesses and freelancers to simplify your invoicing. Send professional invoices online for free and get paid fast.: n/a 7.80 n/a
753paytech.ca Interac Payment, POS Terminal & Cheap Merchant Service, Credit & Debit Card Processor... @ Paytech.c PayTech: n/a 11.60 n/a
754jetsmart.com Vuelos y Pasajes en Avión Baratos | JetSMART Chile Sitio Oficial Encuentra vuelos baratos y pasajes en avión a destinos nacionales e internacionales. Compara precios, encuentra ofertas exclusivas y reserva con JetSMART. ¡Ahorra ahora!: 33.61 6.67 04:49
755canadagoosejacketss.com: n/a 27.00 n/a
756nicolasmollet.com: n/a 7.80 n/a
757formsite.com Formsite - Online Form Builder. Create HTML Forms & Surveys. Free and commercial services to create database-backed HTML forms using only a web browser. Results can be downloaded and optionally emailed. Easily create online forms and surveys using our HTML form builder. Professionally collect orders, registrations, reservations and customer feedback.: n/a 2.63 n/a
758childhungerendshere.com: n/a 3.10 n/a
759edelman.com
Welcome to Edelman
Edelman is a global communications firm that partners with businesses and organizations to evolve, promote and protect their brands and re***tions.: 66.87 0.00 02:33
760go2everland.com: n/a 34.00 n/a
761jhdafrica.com: n/a 47.00 n/a
762quellochefaperte.altervista.org: n/a 1.00 n/a
763kouponkrazed.com: n/a 6.70 n/a
764uiowa.edu The University of Iowa Join a global community of renowned artists, pioneering scientists, and faculty dedicated to student success at the University of Iowa.: 43.30 4.81 03:15
765marfeelrev.com Fastly error: unknown domain marfeelrev.com: 65.37 1.72 04:40
766sherdog.com Just a moment... The industry pioneer in UFC, Bellator and all things MMA (aka Ultimate Fighting). MMA news, interviews, pictures, videos and more since 1997.: 29.00 4.37 02:56
767njit.edu New Jersey Institute of Technology | New Jersey Institute of Technology is the state's public polytechnic university and a leader in STEM education, research, economic development, and service.: n/a 0.00 n/a
768dramaclub.one DramaClub – Seu universo de doramas online Seu universo de doramas online: 30.07 4.60 27:49
769lvl88.net: n/a 60.00 n/a
770theblaze.com Blaze Media | News, opinion, and entertainment News, opinion, and entertainment for people who love the American way of life.: 56.31 2.28 02:42
771tomshardware.co.uk
Tom's Hardware: For The *** PC Enthusiast
Tom's Hardware helps you buy the best hardware and build the best PC to play, create and work..: 52.53 1.51 03:15
772purolator.com Just a moment... Purolator is Canada’s leading integrated freight and parcel solutions provider. Celebrating 50 years of delivering Canada, we continue to expand our reach across the country and around the world.: n/a 0.00 n/a
77391area.com: n/a 6.20 n/a
774prometric.com Prometric Professional Licensing and IT Certification Exam Providers: 30.55 7.49 04:58
775handuyishe.com: n/a 8.60 n/a
776vectormarks.com VectorMarks | Strategy Communication Platfrom from Beckway VectorMarks® is a cloud-based strategy communication platform that empowers companies to enhance and accelerate EBITDA growth performance.: n/a 37.00 n/a
777live-education-eddie.pantheonsite.io Video Guide | education.eddiebygiddy.com: 52.83 3.99 14:00
778picswan.com: n/a 4.05 n/a
779cfainstitute.org CFA Institute | Empowering Investment Professionals We offer the CFA® and CIPM® designations, along with other programs and certificates that support finance professionals at all career stages.: n/a 0.00 n/a
780twitonomy.com
Twitonomy: Twitter #***ytics and much more...
Twitonomy: Twitter #***ytics and much more...: n/a 5.20 n/a
781hometalk.com 406 Forbidden Hometalk. The world's largest online community of home and garden DIYers, where you can find tons of how-to's, ideas and advice to create the home you love.: 39.64 2.46 01:59
782flooranddecor.com Floor & Decor: High Quality Flooring and Tile Browse our huge selection of affordable flooring and tile products and save money on your home renovation project. Shop online at Floor and Decor now!: 49.76 4.80 05:24
783tablecheck.com TableCheck - Reservations at Japan's Best Restaurants Discover and book the best venues in Japan. Whether you're looking for a quick bite or fine dining, TableCheck has you covered. Find venues and book a table wherever you go.: 55.55 4.40 04:17
784kodak.de Digital Printing Solutions, Packaging, Commercial Imaging | Kodak Kodak is a technology company focused on imaging for business. We provide innovative hardware, software, consumables and services.: n/a 3.09 n/a
785fluke.com Fluke Corporation: Fluke Electronics, Biomedical, Calibration and Networks Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools, biomedical equipment and networking solutions.: n/a 4.90 n/a
786hired.com Hired - Job Search Marketplace. Tech Job Hunting Simplified! With Hired your job search has never been easier! Simply create a profile & vetted companies compete for you, reaching out with salary & equity upfront.: 37.32 5.30 16:11
787ydhome.net: n/a 41.00 n/a
788creativegroup.com creativegroup.com The Creative Group is a leader in matching creative talent with the best companies. The Creative Group provides creative staffing services and specializes in placing creative, marketing, and advertising professionals on a project or full-time basis.: n/a 4.90 n/a
789sitedown.co Just a moment... view and report website downtime & outages. in realtime, view sites that are having problems. easily report a site or service when you can't access it.: 38.70 1.85 00:26
790diagnos-tika.ru: n/a 35.00 n/a
791nuvi.com
NUVI - Real-Time Social Intelligence
NUVI, Real-Time social intelligence is a social-media monitoring, listening, reporting and ***ytics dashboard that provides actionable insights and beautiful visualizations of the social media landscape. Request a Demo Today!: n/a 10.60 n/a
792pandora-charms-australia.net: n/a 15.00 n/a
793affordablediabetes.com Diabetes Supplies | Affordable Diabetes Affordable Diabetes Supplies. Find low prices on brand name diabetes products. Save money today on One Touch Ultra, Bayer, Freestyle Lite, Accu-Chek Aviva Strips and more.: n/a 14.90 n/a
794houstonroofing.info: n/a 1.76 n/a
795pinklaptops.org.uk: n/a 1.76 n/a
796news12.com Long Island The latest news from Long Island: 66.58 2.27 06:29
797scielo.br SciELO Brasil Uma biblioteca eletrônica que abrange uma coleção selecionada de periódicos científicos brasileiros.: 83.69 0.00 06:46
798umanitoba.ca University of Manitoba We attract people from around the world who share our ideals and vision for positive change. We are where imagination and action collide.: 29.14 6.82 04:49
799wcvb.com Site Not Available Get the latest Boston news, weather and sports online, anytime. Stay in the know with Boston’s news leader – WCVB.: 60.30 2.03 01:35
800123telugu.com Unstoppable with NBK Show Streaming on Aha | Watch Latest Telugu Movies on AHA!| Nandamuri Balakrishna | Daggubati Venkatesh | Watch Latest Movies & Web Series on AHA! | Watch Unstoppable with NBK Show on AHA!| Unstoppable with NBK Show Streaming on Aha and Rating | Watch Latest Telugu Movies on AHA! and Rating Unstoppable with NBK Show Streaming on Aha, Watch Latest Telugu Movies on AHA!,Unstoppable with NBK Review ,Unstoppable with NBK Available on AHAWatch Latest Telugu Movies on AHA!,Nandamuri Balakrishna,Daggubati Venkatesh,Unstoppable with NBK Review: 39.94 6.58 02:59

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