A 301 redirect is the HTTP status code telling browsers and crawlers that a URL has permanently moved, sending visitors, links and ad clicks to a new address.

An HTTP status code is the three-digit number a server returns with every web response to say how a request was handled, from 200 OK to 404 Not Found or 503.

A soft 404 is a page that says it does not exist, or has nothing on it, while the server returns HTTP 200 OK, so search engines must guess that it is an error.

A free shipping threshold is the order value at which a retailer waives delivery fees. How it is set, how it reaches Shopping ads and where it falls short.

A year-end sale is a retail discount event in the last weeks of the calendar year, run to clear stock and hit annual targets. How it works, and the rules on it.

Self-gifting is shoppers buying gifts or treats for themselves, mostly during gifting seasons like Black Friday and Christmas. Its mechanics, data and disputes.

CVE (Common Vulnerabilities and Exposures) is the public list giving each disclosed software flaw a unique ID such as CVE-2026-109618, run by MITRE since 1999.

Browser extension permissions are manifest-declared grants deciding which sites, tabs, cookies and network traffic a Chrome, Firefox or Safari add-on can reach.

Cost per result is Meta's Ads Manager metric dividing spend by results for an ad set's chosen goal, so its meaning shifts with the objective and attribution.

Creative health score is a non-standard 0-100 rating that tools use to show whether a live ad is fresh or fatigued, built from CTR, CPM, frequency and age data.

Taking a site offline to patch PHP? Serve a 503 from outside PHP and keep robots.txt reachable. Days of server errors may get URLs dropped.

Conversion rate is the share of clicks, sessions or users ending in a defined action, like a sale or lead, a ratio whose meaning shifts with each denominator.

Argentina, Nigeria, Pakistan and 23 other markets can buy via Ads Manager or partners. OpenAI's 100,000-advertiser count is cumulative. What does it measure?

Calif used the model to find one flaw and Wiz reported both, OpenAI says, as it pitches a 5-stage disclosure plan. Cloudflare says attacks came. Who was first?

Patent-pending Product Context Memory pushes SKU context to AI agents via ACP, UCP and MCP. Which agents read it, and what does the vague 30% figure measure?

Shows need only 100 listeners and 100 hours in 30 days to sell paid tiers, a tenth of the Partner Program bar. What does it mean for ad supply and Patreon?

Anthony Katsur's October 20 essay gives publishers no revenue loss figure and names no blocked vendor. What would transition periods and review by Apple change?

Banks in the US face an American Bankers Association registry check before ads run. Google gave no start date, deadline or penalty yet - what is known so far?

On CTV alone, recall lift ran about 32% above benchmark and consideration 70%. No campaign count, sample or dates are given. How much can buyers read into it?

Site owners' emoji tokens and custom rules get dropped silently under RFC 9309, Google's hosts say. So how does Google-Extended fit into an access-only file?

US and Canada ad prices rose 23% while impressions grew 8%, raising costs for advertisers. A $73-76bn Q4 outlook tests whether that pricing holds into 2027.