Treat Internal Links as a Graph to Automate SEO Audits and Fix Orphan Pages

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A technical guide from Nooralto, an SEO studio based in Agadir and Paris, proposes treating a website's internal links as a directed graph rather than manually managed content. Each internal URL becomes a node and every link between pages becomes a directed edge, allowing the full link structure to be mapped programmatically. Using tools like fast-xml-parser and Cheerio, developers can parse sitemaps and extract links to build an adjacency map of the entire site. A breadth-first search from the homepage can then measure how many clicks each page is from the root, exposing deeply buried or unreachable content. The approach enables automated orphan-page detection on every deployment, catching pages silently dropped during redesigns before they lose search visibility.

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How AWS Architecture Handled 1.5M Requests in One Hour for a Flash-Seat Exam Booking

A national certification exam with 20,700 seats across five levels needed a new registration system after its previous platform crashed and double-booked seats when registration opened. The redesigned system on AWS uses an atomic Redis script as the sole arbiter for seat allocation, ensuring no seat is ever sold twice and no database is involved in the admission decision. Static content was served via CloudFront and S3, with an AWS WAF web ACL handling roughly three in four requests without reaching origin servers. During the first hour of the live event, the system served over 1.5 million origin requests, peaked at 54,800 requests per minute, maintained median latency under 10 milliseconds, and recorded a server error rate below 0.01%. This is the first installment of a three-part series detailing the architecture, edge strategy, and capacity planning behind the solution.

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ProgrammingDEV Community ·

AEGIS: Agentic Fraud Investigation System Built on TigerGraph and GraphRAG

A developer has built AEGIS (Agentic Evidence & Graph Intelligence System), a multi-layered fraud investigation platform created for the TigerGraph HHGOA challenge. The system goes beyond single fraud scores by mapping relationships between customers, cards, devices, transactions, and past investigations using a TigerGraph graph database. AEGIS uses an agentic orchestration loop that sequentially handles evidence gathering, uncertainty assessment, policy evaluation, and Next Best Action recommendations before any human authorization is granted. The platform integrates GraphRAG to pull context from historical cases and employs TigerGraph's Weakly Connected Components algorithm as a structural signal to detect coordinated fraud patterns. Key design principles enforce strict separation between fraud signals, verdicts, recommendations, and authorizations to prevent automated over-reach.

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ProgrammingDEV Community ·

A 15-Minute Method to Tailor Your Resume to Any Job Description

A practical resume-tailoring technique involves categorizing job ad requirements into must-haves, nice-to-haves, and context before making any edits. The core advice is to focus exclusively on must-have requirements — phrases like 'required' or 'X+ years of' — since these are what recruiters and keyword filters screen for first. Job seekers are urged to match the exact terminology used in the job ad, replacing vague descriptions with specific, evidence-backed bullets that mirror the employer's own language. Each must-have should be rated as covered, weak, or missing, with 'weak' entries offering the highest return on tailoring effort. The method requires no special tools and can be completed in around 15 minutes using only a text editor and two browser tabs.

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ProgrammingDEV Community ·

OpenAI Codex Flaw Let Untrusted AI-Generated Code Steal Auth Tokens from Memory

A sandbox escape vulnerability in OpenAI's Codex desktop edition, disclosed on September 21, 2026, allows untrusted AI-generated code to read authentication tokens from shared process memory. The flaw stems from Codex's bundled Node.js tool running both trusted and AI-generated code within the same memory space, enabling token theft without triggering any visible permission prompts. Stolen credentials can then be used to forge requests to external native programs capable of launching applications, modifying system configurations, or accessing local Unix sockets — constituting a full sandbox escape. Researchers noted that the severity is compounded when agents hold broad, long-lived credentials, as a single memory read could grant prolonged unauthorized access. Since Codex operates primarily on developer workstations rather than internet-facing servers, the true number of affected systems is likely far greater than the 164 instances indexed by external scanners.

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