Multi-Tenant SaaS: Data and Access Isolation
Maintain tenant scope in data, files, search and background jobs. Test access boundaries and resource isolation between organizations.
Hosting, Domain and Website Guides
Develop your project with PoolByte Technology guides on hosting selection, domain management, website security, backups and performance.
Stock Reservations Across Warehouses and Channels
Separate physical stock from sellable quantities. Define cart reservations, expiry, late payments and allocation across multiple warehouses.
IndexedDB: Local Data, Schema Changes and Quotas
Plan IndexedDB schema upgrades, concurrent tabs and storage failures. Test account separation and recovery of unsynchronized drafts.
International Bookings: Time Zones and Calendars
Distinguish local time, UTC and time zones in bookings. Test daylight-saving transitions and matching times across the portal and notifications.
Web Video: HLS, Playback and Access Control
Compare single-file video with HLS. Plan captions and access control, then measure mobile playback, bandwidth and time to first frame.
MTA-STS and TLS-RPT: Email Transport Security
Plan MTA-STS policy, MX records and TLS certificates together. Interpret TLS-RPT reports and assess delivery risks during provider changes.
Transactional Email: Delivery, Bounces and Retries
Separate sending from delivery in order and service emails. Track permanent bounces, temporary errors and controlled retries.
Merchant Center Feeds: Price and Stock Consistency
Match product IDs, variants, prices and availability to your site. Track Merchant Center diagnostics, feed freshness and rejected products.
Content Approval: From Draft to Publication
Manage editor roles, content versions and scheduled publication with clear states. Keep approvals and translations current when text changes.
On-Site Search: Filters and Empty Results
Plan query intent, typo tolerance and useful empty-result screens. Test filters, mobile search and private-record permissions together.
Design Systems: Components, Tokens and Consistency
Unify forms, errors and mobile behavior with shared design tokens. Define component usage rules for consistent colors, spacing and interaction.
Terraform: State, Plans and Infrastructure Changes
Plan Terraform state storage, locking and review. Protect sensitive data, separate environments and track manual infrastructure changes.
ARM or x86 Servers: Check Software Compatibility
Check native modules, binaries and license support before moving between ARM and x86. Test compatibility and performance with real workloads.
Docker Hosting: Preparing Containers for Production
Plan persistent storage, image versions, ports and health checks for Docker. Verify hosting permissions and restart behavior.
Feature Flags for Gradual, Controlled Releases
Plan default behavior, consistent targeting and data compatibility for staged feature releases. Remove flags after their useful life ends.
API Versioning and Integration Compatibility
Treat API fields, error responses and enums as contracts. Plan migration timelines and compatibility tests for existing clients.
Cursor Pagination for Large, Changing Lists
Compare OFFSET and cursor pagination. Test sorting, filter changes and new records for missing or duplicate results.
utf8mb4 and Collation: Turkish Text and Emoji
Distinguish MySQL character sets from collations. Test Turkish letters, emoji, sorting and uniqueness before converting existing data.
Database Schema Migrations Without Breaking Older Code
Plan schema and data changes compatible with the previous application version. Define lock, progress and rollback limits before migration.
Database Transactions and Concurrent Updates
Design transaction boundaries, locking and retries around business rules. Test partial writes and simultaneous updates before production.
CSV Imports: Preview, Mapping and Error Reports
Plan CSV encoding, delimiters, column mapping and dry runs. Keep invalid rows and interrupted imports traceable without losing valid data.
Secure File Uploads: Validation and Quarantine
Handle file type, size, quarantine and download permissions together. Test invalid uploads, private files and access from another customer account.
Enterprise SSO: SAML and OpenID Connect
Plan identity mapping, roles and access revocation in enterprise SSO. Prepare SAML and OpenID Connect acceptance tests.
Passkeys: Secure Sign-In and Account Recovery
Design passkey sign-in with device registration, domain scope and account recovery. Test lost devices and alternative sign-in methods.
PHP OPcache: Performance and Safe Code Updates
Understand OPcache memory use and code updates after deployment. Verify web-worker and CLI differences when planning release checks.
Redis Object Caching: Keys, Expiry and Correctness
Define Redis key scope, expiry, invalidation and memory limits. Evaluate performance gains alongside data correctness and failure behavior.
WebRTC Video Calls: Connection and Product Scope
Plan WebRTC signaling, STUN/TURN, camera permissions and call access together. Test calls on different networks before launch.
WebSocket or SSE for Live Data?
Compare WebSocket and SSE for live orders and reports. Plan reconnection, channel permissions and hosting capacity before choosing a transport.
PWA Planning: Installable and Offline Web Apps
Plan installation, offline drafts, data updates and synchronization in a PWA. Build acceptance tests around real devices and interrupted connections.
HTTP/3 and QUIC: Hosting Performance in Practice
Understand HTTP/3 over QUIC, CDN connection paths and real-network testing. Check protocol support without assuming a fixed speed improvement.
Static site or CMS? Choose the right platform and hosting
Choose the right infrastructure by comparing static site, content management systems such as WordPress and custom software in terms of update, security, speed and cost.
Running Node.js and Python applications in cPanel
Learn how to set up a Node.js or Python application, install dependencies, environment variables, and troubleshoot on CloudLinux powered cPanel hosting.
Web fonts: Performance, font-display and licensing
Load web fonts with WOFF2, correct subset, selective preload and font-display without leaving text invisible; Also check the license terms.
Open Graph and favicons: Better previews for shared links
Check the title, description and image of shared links with Open Graph tags; Add the favicon according to Google's guidelines.
Choosing a payment gateway: Cost, security and integration
Choose the right infrastructure by comparing bank virtual POS and licensed payment institutions in terms of cost, money transit time, security and integration.
GA4 and Tag Manager: Measure forms and sales accurately
Measure key events such as form submission, phone click, and purchase in a permission-managed and non-repetitive manner with GA4 and Tag Manager.
Internal linking: Help visitors find your important pages
Make your important pages visible to both users and search engines by establishing menu, category and in-content links with descriptive anchor texts.
Writing title tags and meta descriptions for search
Increase the click-through rate in search results by writing the page title and meta description uniquely, relevant to search intent, and legible for each page.
Turkish e-commerce legal pages: Distance sales, disclosures and returns
Present imprint information, preliminary information form, distance sales contract and right of withdrawal texts in the right step and in a understandable manner on your e-commerce site.
Keyword research: Plan website pages around search intent
Find the search phrases your customers actually use, group them by search intent, and give each page a single, clear target.
Structured data: Describe your content with Schema.org and JSON-LD
Learn how to add Organization, LocalBusiness, Product, and Article markup with JSON-LD, test them, and keep them compatible with visible content.
Local SEO and Google Business Profile: Reach nearby customers
Complete your Google Business Profile, keep your business information consistent everywhere, and appear in nearby searches with local signals on your website.
DDoS and malicious bots: Recognize and reduce unwanted traffic
Distinguish whether a sudden increase in traffic is a campaign or an attack; Reduce bad bot and DDoS impact with caching, rate limiting and WAF.
Uptime monitoring: Detect website downtime sooner
Set up a monitoring and alerting scheme that looks not only at whether the home page is opened, but also at critical flows, certificate, and domain name.
Team access and two-factor authentication: Secure shared workflows
Instead of sharing a single password, use personalized accounts, two-step verification, and regular review when granting access to agencies, developers, and employees.
Protect web forms with honeypots, CAPTCHA and rate limits
Establish layered protection to reduce bot submissions to contact, offer and membership forms without burdening real users.
Image optimization: WebP, AVIF and lazy loading
Reduce page weight without sacrificing quality by presenting images in the correct format, at the size they will be displayed, and with the correct loading priority.
Commercial messages in Türkiye: Manage email and SMS consent with İYS
Steps to accurately collect campaign emails, SMS and call permissions on your website, sync them with the İYS and implement rejection requests in a timely manner.
HTTP security headers: Configure CSP, HSTS and browser protections
To add security headers without breaking the site, first measure the current response, start with low-risk headers, install CSP with report mode.
Turkish KVKK website guidance: Privacy notices, cookies and consent
Find out what personal data your site processes; Edit the privacy notice, explicit consent, cookie notification and contact forms accordingly.
Object storage: Manage media and files for web projects
Reserve storage for product images and specific customer documents. Plan for API compliance, access control, transfer cost, and fallback responsibilities.
Subdomain or subdirectory? Plan your blog, store and portal
Choose the address structure based on software, team and customer journey. Consider the differences in maintenance, session and content management of a subdomain and a subfolder.
Reliable webhooks: Authentication, retries and event matching
Separate server notification from browser return. Create integration plan for signature verification, event ID, redelivery, and controlled retry.
Cron jobs: Build automation you can run and monitor
Distinguish between the registration of the automation line and its successful operation. Prepare the scheduling, work environment, rework and error tracking scheme together.
MySQL indexes: Measure and improve slow queries
Instead of adding arbitrary indexes, examine the actual query, data distribution, and measurement conditions. Prepare the technical work record to be shared with the developer.
Website version control with Git: Commits, deployment and rollback
Keep track of file versions in your web project with clear records. Separate responsibilities for code repository, live package, access information, and data recovery.
SFTP file transfer: Secure access and deployment checks
Establish an orderly file publication process, from SFTP and FTPS separation to post-transfer verification. Prevent wrong index and access scope errors.
IMAP and POP3: Manage business email across devices
Establish a consistent mailing routine for phone, computer and webmail. Consider protocol selection along with server quota, local archive, and device tests.
Search Console performance: Turn search data into content decisions
Go beyond total clicks: identify actual content needs through query, page and period comparison. Evaluate traffic and demand quality separately.
301 redirects: Preserve useful links when changing URLs
In case of a design or address change, determine the appropriate target for each old page. Prepare the routing map, test cluster, and tracking process.
Multilingual websites: Translation scope and hreflang mapping
Plan language selection, content updates and page matching together. Build a complete language experience beyond mere menu translation.
Website accessibility: Test keyboards, menus and forms
Evaluate menus, forms, focus indicators and visuals with real user tasks. Understand the scope and limits of startup checks.
E-commerce product pages: Photos, variants and descriptions
Prepare product data, photo gallery and variant selection together. Explanations and control steps that will enable the customer to choose the right product.
Landing pages: Plan your quote form and campaign journey
Plan the campaign message, main action button, short quote form, and application check together. Create pages that make it easier for the visitor to make a decision.
Business website planning: Prepare content before design
Prepare your corporate site's menu, service pages and content delivery according to the customer's questions. Create a work plan in line with the project proposal.
Technical SEO: Use robots.txt, sitemaps and canonical URLs correctly
Crawling, indexing and preferred URL are different processes. Combine robots.txt, sitemap, canonical, and noindex settings into a coherent technical SEO plan.
Domain security and renewal: Protect your brand’s address
Protect your domain with strong account security and regular renewal tracking. Manage transfer lock, contact information and emergency plan together.
404, 500, 502 and 503 errors: Troubleshoot the right layer
Distinguish between HTTP error codes. Avoid unnecessary changes by investigating URL, application, reverse proxy and capacity issues with accurate evidence.
Upgrading PHP: Compatibility, testing and rollback
Upgrade PHP with a secure plan. Check current support dates, plugin compatibility, web vs command line difference, and fallback steps.
Staging environments: Test changes before publishing
Set up staging environment with separate database, controlled access and neutral integrations. Preserve content and order data during migration to the live site.
E-commerce hosting: Plan for carts, payments and campaigns
Don't compare e-commerce hosting to disk space alone. Ask the right questions for dynamic transactions, resource limits, restore and payment flows.
Core Web Vitals: Measure and improve LCP, INP and CLS
Read LCP, INP and CLS metrics with real visitor experience. Use laboratory tests, field data and the correct remediation sequence together.
CDNs and caching: Deliver fast pages and protect sessions
Use CDN and caching layers correctly. Learn to protect cart, checkout, account and personalized content while speeding up static files.
WordPress security: Updates, access and recovery
Don't leave WordPress security to a single plugin. Create an actionable maintenance plan for updates, administrative access, backup verification, and incident preparation.
Business email authentication with SPF, DKIM and DMARC
Verify that corporate email is being sent from the correct systems. Set up SPF, DKIM and DMARC records with sender inventory, testing and report tracking.
Domain transfers: Plan a secure registrar change
Separate domain transfer from hosting and DNS change. Prepare extension conditions, transfer lock, authorization code and post-transaction check steps.
cPanel migration: Move website files, databases and email
Do not just copy files during cPanel migration. Verify compliance, database, mail, DNS, HTTPS and fallback steps with real user testing.
Website backups: Build a recovery plan you can restore
Creating a backup file is not enough; You should try to come back. Set up the file, database, access and retention plan according to your business' data loss tolerance.
WordPress performance: Measure first, then fix bottlenecks
Don't judge WordPress speed by a single point. Improve mobile metrics, image optimization, cache, plugin and server response in controlled steps.
Hosting CPU, RAM and I/O limits: Identify resource bottlenecks
Do not confuse disk capacity with processing power. Choose the right intervention by evaluating hosting resources based on metrics, error time, and actual application load.
HTTPS and TLS certificates: Installation and renewal checks
Installing the certificate alone is not enough. Validate your HTTPS scheme with domain scope, redirect, mixed content, and auto-renewal checks.
Nameserver changes and DNS propagation: A controlled migration
Protect website and email records during nameserver change. Evaluate TTL, cache, DNSSEC and fallback schedule in a single migration flow.
DNS records: Use A, AAAA, CNAME, MX and TXT correctly
Website, email, and service authentication meet in the same DNS zone. Learn the five basic record types with examples and preserve existing services across changes.
Choosing a domain name: Build a memorable online address
Choosing a good domain is not just about finding a blank name. Evaluate editorial, brand consistency, extension, account ownership and renewal plan together.
Choosing hosting for your first website and growing projects
Go beyond disk space when choosing hosting. Evaluate software, resource limits, email, backup and renewal conditions based on your actual needs.