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Viewing articles tagged 'cdn'

Alternatives to Cloudflare Other ways to get the same benefits.OTHER CDN PROVIDERSSeveral offer similar services, some with... Blocking Bad Traffic at the Application Level Reducing load from requests you do not want.IDENTIFYING ITThe access log. Extracting and counting... Bot Traffic and How It Slows Your Site Traffic that is not customers.WHAT IT ISAutomated requests: search engine crawlers, scrapers,... Bot Traffic and Resource Use Traffic that is not customers.THE SCALEOn many small sites, automated requests exceed human... Caching Explained Caching stores the result of work already done so it does not have to be repeated. It is the... Caching on a VPS Multiple layers, each solving a different problem.OPCODE CACHINGOPcache stores compiled PHP so it... Caching Strategies for Developers Making an application fast.THE LAYERSOpcode caching: OPcache, which removes PHP recompilation.... Cart is empty or contents lost at checkout The cart clears unexpectedly.THE USUAL CAUSECaching. Cart and checkout pages must never be... CDN and SEO Considerations Effects on search visibility.WHAT HELPSFaster pages, which is a modest ranking factor and a real... CDN Versus Server-Side Caching Two different things people confuse.SERVER-SIDE CACHINGStores generated pages on our server. A... Choosing Where to Optimise The order that gives results.THE HONEST ORDERCompress and resize images. Almost always the... Cloudflare Analytics and What It Tells You Reading the dashboard.REQUESTSTotal, and the proportion served from cache.A high cache hit ratio... Cloudflare and CDN: Everything That Matters, Briefly The whole category in one page.WHAT CLOUDFLARE ISA layer between visitors and our servers,... Controlling Bot and Crawler Traffic Reducing unwanted requests.WHAT YOU WANTSearch engine crawlers, at a reasonable rate.WHAT YOU DO... Dedicated IPs and SEO: No Effect A persistent myth worth addressing directly.THE CLAIMThat a dedicated IP improves search... DNS and Certificate Issuance How AutoSSL depends on DNS.THE CONNECTIONAutoSSL validates that you control a domain, usually by... DNS Considerations for Multiple Locations Serving different regions.WHAT PEOPLE WANTVisitors directed to a nearer server, or to... Event and Ticketing Applications Selling tickets or managing bookings.WHAT IT REQUIRESEvent listings with dates and capacity... Handling High Traffic on Shared Hosting Getting the most from a constrained environment.THE PRINCIPLEServe as many requests as possible... Handling Traffic Spikes Sudden load, planned or otherwise.BEFORE A PLANNED SPIKEConfirm caching is working, and that... Improving Your Site's Speed Practical steps in order.MEASURE FIRSTTest with a performance tool, on mobile. Look at what is... IP Geolocation and What It Means IP addresses are loosely associated with geographic locations in commercial databases.WHAT IT... Managing DNS at the Registrar or at Your Host DNS records live wherever your nameservers point. Editing them in the wrong place is a common... Monitoring a Site Behind a CDN Knowing whether it is actually up.THE COMPLICATIONA monitoring service checking your domain... Performance Terms Speed and delivery.PAGE LOAD TIMEHow long a page takes to become usable.CACHINGStoring generated... Preparing Your Site for a Traffic Increase Before the traffic arrives.WHY THIS MATTERSSuccessful SEO, a campaign, or media coverage produces... Preventing Image Theft with Hotlink Protection Hotlinking is when another website embeds your images using your URL, so your hosting account... Scaling Your VPS Adding capacity when you genuinely need it.BEFORE SCALINGConfirm the constraint. Adding CPU when... Security Plugins and Firewalls What protection tools do.WHAT THEY OFFERBlocking malicious requests Limiting login attempts... Security Plugins and Tools Application-level protection.WHAT THEY TYPICALLY PROVIDELogin attempt limiting File integrity... Site is slow but no error appears Working, and too slowly.MEASURE FIRSTLoad a plain static file. If that is fast while pages are... Site Speed and Core Web Vitals Performance as a ranking factor.WHAT IS MEASUREDLargest Contentful Paint: how quickly the main... Speeding Up Your Online Store Shops are slower than brochure sites by nature, and most of the difference is fixable.THE ORDER... SSL Problems With Subdomains and Addon Domains Certificate coverage.THE SYMPTOMA browser warning on a subdomain or addon domain while the main... Symptom: The Site Shows Old Content Changes do not appear.WHAT IT USUALLY ISCaching, at one of several levels.WHERE CACHING... The Application Is Slow Diagnosing performance.MEASURE FIRSTLoad a static file. If that is fast while pages are slow, the... The Website Resolves to the Wrong Place Pointing somewhere unexpected.WHAT IT MEANSThe A record points at an address other than your... Using a CDN to Improve Speed Serving files from closer to visitors.WHAT IT DOESStores copies of your files on servers in many... Using a CDN with a VPS Offloading traffic from your server.WHAT IT GIVES YOUStatic files served from locations near... Using a CDN with Your Hosting A content delivery network keeps copies of your static files at locations around the world and... Website and CMS Terms Content management.CMSA content management system: software for managing a site's content without... What a CDN Is and How It Works The general concept.THE IDEACopies of your static files held at many locations around the world.... When Caching Causes Problems Diagnosing cache issues.THE COMMON SYMPTOMSChanges you made do not appear A visitor sees someone... Why Your Website Is Slow Slow sites almost always come down to the same handful of causes, and the server is rarely one of...

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