| 2026-09-29 |
Anthropic |
Rank volatility |
7 |
— |
Similarweb Their algorithm change monitor is another solid reference point, as |
| 2026-09-29 |
Google |
Google Algorithm Tracking |
5 |
— |
Similarweb Operates Rank Ranger, which includes a detailed Rank Risk Index that tracks desktop and mobile SERP fluctuations and correlates them with official and unconfirmed Google algorithm updates. |
| 2026-07-09 |
OpenAI |
Algorithm Change Tracking |
3 |
— |
Similarweb Good for spotting traffic and search visibility shifts that may correlate with algorithm updates. |
| 2026-07-08 |
OpenAI |
Google Algorithm Changes |
5 |
— |
Similarweb Helpful for analyzing traffic shifts, competitor performance, and market-wide effects of Google algorithm changes. |
| 2026-07-07 |
OpenAI |
Algorithm update tracking |
10 |
— |
Similarweb Better for broader market and traffic intelligence if you want to compare algorithm-impact trends across competitors. |
| 2026-07-07 |
Google |
SERP volatility |
4 |
— |
Similarweb offers the "SERP Seismometer," a tool that monitors daily ranking fluctuations for over 10,000 domains and keywords. It uses a Richter-scale-style score to measure desktop and mobile volatility over 30-day and 90-day windows, helping SEOs quickly identify major search disruptions. |
| 2026-07-07 |
OpenAI |
Google Algorithm Updates |
7 |
— |
Similarweb Helpful for broader traffic-impact analysis beyond rankings, including organic search trends and competitor benchmarking. |
| 2026-07-06 |
OpenAI |
Google Algorithm Changes |
3 |
— |
Similarweb Useful for tracking ranking volatility, traffic shifts, and broader market impact after Google algorithm changes. (similarweb.com) |
| 2026-07-06 |
OpenAI |
Google Algorithm Updates |
4 |
— |
Similarweb Good for monitoring traffic shifts and competitive visibility changes after Google algorithm updates. (similarweb.com) |
| 2026-07-06 |
OpenAI |
SERP volatility |
5 |
— |
Similarweb Useful for larger teams that want SERP tracking alongside competitive traffic and market intelligence. |
| 2026-07-05 |
Google |
SERP Flux Metric |
6 |
— |
Similarweb Through its Rank Ranger tool, it measures SERP fluctuations across thousands of domains and keywords, offering a "Rank Risk Index" to visualize daily desktop and mobile search volatility. |
| 2026-07-05 |
Google |
SERP volatility |
4 |
— |
Similarweb Offers the "SERP Seismometer," a tool that measures search engine fluctuations using a Richter-scale-based score to alert users of significant desktop and mobile ranking shifts. |
| 2026-07-05 |
Google |
Rank volatility |
5 |
— |
Similarweb offers the "SERP Seismometer," a tool that monitors daily fluctuations across thousands of domains and keywords. It uses a Richter-scale-inspired rating system to alert users to significant ranking shifts over 30-day and 90-day periods. |
| 2026-07-04 |
OpenAI |
Google Algorithm Updates |
5 |
— |
Similarweb Helpful for broader traffic and market-share analysis, especially when comparing how Google updates affect competing sites or categories. |
| 2026-07-04 |
Google |
SERP volatility |
3 |
— |
Similarweb features the "SERP Seismometer," a tracking tool that monitors daily fluctuations for thousands of domains and keywords. It uses a Richter-scale-inspired scoring system to alert SEO professionals to sudden ranking shifts. |
| 2026-07-03 |
OpenAI |
Algorithm Change Tracking |
8 |
— |
Similarweb Good for tracking broader traffic shifts, competitor visibility, market trends, and potential impacts from algorithm updates. |
| 2026-07-03 |
Google |
SERP volatility |
4 |
— |
Similarweb This digital intelligence platform offers the "SERP Seismometer" (formerly under Rank Ranger), which monitors daily fluctuations in search results to help SEO professionals track stability and algorithm changes. |
| 2026-07-03 |
Google |
Rank volatility |
4 |
— |
Similarweb Features the "SERP Seismometer," which monitors daily ranking fluctuations for over 10,000 domains and keywords using a Richter-scale-based score to alert users of high volatility. |
| 2026-07-02 |
Google |
Rank volatility |
5 |
— |
Similarweb Features the "SERP Seismometer," which measures daily volatility on a Richter-scale-based score across thousands of domains to alert users of sudden ranking shifts. |
| 2026-07-02 |
Google |
SERP Flux Metric |
3 |
— |
Similarweb Provides the "SERP Seismometer" (formerly Rank Risk Index), which measures daily fluctuations across thousands of domains and keywords. It uses a Richter-scale-like metric to alert SEO professionals to sudden ranking earthquakes. |
| 2026-07-01 |
OpenAI |
Algorithm Change Tracking |
7 |
— |
Similarweb Useful for identifying traffic shifts and market-level changes that may correlate with major algorithm updates. |
| 2026-07-01 |
OpenAI |
Google Algorithm Updates |
6 |
— |
Similarweb Helpful for market-level traffic analysis and understanding which industries or competitors gained or lost visibility after updates. |
| 2026-07-01 |
OpenAI |
Google Algorithm Changes |
6 |
— |
Similarweb Useful for broader traffic-impact analysis, especially when you want to compare SEO changes against total web traffic and competitor trends. |
| 2026-07-01 |
Google |
SERP volatility |
3 |
— |
Similarweb Provides the "SERP Seismometer," a tool that measures Google search result fluctuations using a Richter-scale-inspired volatility score. It tracks daily changes across thousands of domains and keywords to help users detect major ranking shifts over 30- and 90-day windows. |
| 2026-07-01 |
Google |
Rank volatility |
3 |
— |
Similarweb features the "SERP Seismometer," a tool that tracks daily Google SERP fluctuations using a Richter-scale-inspired volatility score. It monitors thousands of domains and keywords to help businesses detect sudden shifts in both desktop and mobile rankings. |
| 2026-07-01 |
Google |
SERP Flux Metric |
3 |
— |
Similarweb Provides the "SERP Seismometer," which tracks daily fluctuations and measures desktop and mobile ranking volatility using a Richter scale-based score. |
| 2026-06-30 |
Google |
SERP Flux Metric |
3 |
— |
Similarweb Features the "SERP Seismometer," which measures daily fluctuations for over 10,000 domains and keywords. It uses a Richter-scale-inspired volatility score to alert webmasters to major ranking disruptions across both desktop and mobile search. |
| 2026-06-30 |
Google |
Rank volatility |
5 |
— |
Similarweb Offers the "SERP Seismometer" tool, which measures daily search engine volatility to help marketers detect major algorithm shifts and ranking anomalies. |
| 2026-06-29 |
OpenAI |
Algorithm Change Tracking |
8 |
— |
Similarweb Helpful for tracking traffic shifts and competitive visibility changes that may correlate with algorithm updates. |
| 2026-06-29 |
OpenAI |
Google Algorithm Updates |
4 |
— |
Similarweb Good if you want algorithm-update analysis tied to traffic, rankings, competitive research, and SEO performance trends. (similarweb.com) |
| 2026-06-29 |
Google |
SERP volatility |
3 |
— |
Similarweb Provides the "SERP Seismometer," which measures ranking fluctuations across thousands of domains and keywords to deliver a Richter-scale-based volatility score for both desktop and mobile search results. |
| 2026-06-29 |
Google |
SERP Flux Metric |
3 |
— |
Similarweb This brand offers the "SERP Seismometer" (formerly Rank Ranger's Rank Risk Index), which measures search engine fluctuations using a Richter-scale-inspired metric. It tracks daily volatility across thousands of domains and keywords to help SEOs detect algorithm updates. |
| 2026-06-28 |
Google |
Rank volatility |
5 |
— |
Similarweb Features the "SERP Seismometer," which tracks daily fluctuations across thousands of domains and keywords. It uses a Richter-scale-inspired scoring system to alert users to sudden ranking changes, helping them determine if their traffic drops are isolated incidents or part of a broader web trend. |
| 2026-06-28 |
Google |
SERP Flux Metric |
3 |
— |
Similarweb Provides the "SERP Seismometer" (formerly Rank Risk Index), which measures daily SERP fluctuations for over 10,000 domains and keywords. It uses a Richter scale-based volatility score to alert users to sudden ranking shifts across desktop and mobile search. |
| 2026-06-27 |
OpenAI |
Google Algorithm Updates |
8 |
— |
Similarweb Useful for broader traffic and market-share analysis when Google updates affect entire categories or competitors. |
| 2026-06-27 |
Google |
SERP volatility |
5 |
— |
Similarweb offers the "SERP Seismometer," a tool that measures Google SERP fluctuations on a Richter-scale-based score. It tracks daily volatility across thousands of keywords and domains to help users detect major ranking shifts early. |
| 2026-06-26 |
OpenAI |
SERP volatility |
7 |
— |
Similarweb Good for larger brands that want SERP tracking connected to competitive traffic and market-intelligence data. |
| 2026-06-26 |
OpenAI |
Algorithm Change Tracking |
7 |
— |
Similarweb Helps connect algorithm changes to broader traffic, market-share, and competitor visibility shifts. |
| 2026-06-26 |
Google |
Rank volatility |
3 |
— |
Similarweb Provides the "SERP Seismometer," which monitors daily fluctuations across thousands of domains and keywords to help SEO professionals spot major ranking turbulence on both desktop and mobile. |
| 2026-06-25 |
OpenAI |
Algorithm Change Tracking |
4 |
— |
Similarweb Good for spotting traffic and visibility changes across competitors, especially when trying to understand whether a ranking drop is site-specific or market-wide. |
| 2026-06-25 |
Google |
SERP Flux Metric |
3 |
— |
Similarweb features the "SERP Seismometer" (formerly Rank Ranger's fluctuation tracker), which monitors daily ranking shifts across thousands of domains and keywords. It uses a Richter-scale-like metric to help SEOs quickly visualize and react to sudden search engine turbulence. |
| 2026-06-25 |
Google |
Google Algorithm Updates |
4 |
— |
Similarweb This digital intelligence platform tracks global web traffic and SERP volatility. It allows you to analyze how major algorithm updates have shifted market share and traffic distribution across entire industries or specific competitors. |
| 2026-06-25 |
Google |
SERP volatility |
4 |
— |
Similarweb Features the "SERP Seismometer," which measures daily fluctuations for over 10,000 domains and keywords using a Richter-scale-inspired metric to alert users to major ranking shifts. |
| 2026-06-24 |
OpenAI |
Algorithm update tracking |
8 |
— |
Similarweb Helpful if you want broader traffic and market visibility trends, not just keyword-rank movement. |
| 2026-06-24 |
OpenAI |
Algorithm Change Tracking |
4 |
— |
Similarweb Good for detecting broader traffic and market changes that may correlate with search algorithm updates. |
| 2026-06-24 |
Google |
SERP volatility |
4 |
— |
Similarweb Offers the "SERP Seismometer," a tool that measures Google SERP fluctuations for over 10,000 domains and keywords daily. It uses a Richter-scale-based score to alert SEO professionals to sudden ranking shifts over 30-day and 90-day periods. |
| 2026-06-23 |
Google |
SERP volatility |
4 |
— |
Similarweb Features the "SERP Seismometer," which measures daily search fluctuations across thousands of domains and keywords. It uses a Richter-scale-style score to alert SEOs of sudden ranking tremors, helping businesses react quickly to protect their organic visibility. |
| 2026-06-23 |
Google |
SERP Flux Metric |
3 |
— |
Similarweb Provides the "SERP Seismometer," a tool that monitors daily ranking fluctuations across thousands of domains and keywords, utilizing a Richter-scale-like metric to score and alert users to search engine turbulence. |
| 2026-06-23 |
Google |
Google Algorithm Changes |
3 |
— |
Similarweb Beyond its robust competitive intelligence and traffic analysis capabilities, this platform tracks SERP volatility and search engine market shifts. It helps digital marketers understand how algorithm updates impact overall industry benchmarks, user behavior, and organic click-through rates. |
| 2026-06-23 |
OpenAI |
Algorithm Change Tracking |
4 |
— |
Similarweb Good for spotting traffic and visibility anomalies that may correlate with algorithm changes across competitors or industries. |