How to evaluate your performance against core algorithm updates
A Google core algorithm update can reshape search visibility overnight. Previously stable rankings, organic traffic, and conversion rates may fluctuate in the aftermath if key landing pages are impacted.
When traffic drops after a core update, many businesses respond with a knee-jerk reaction. They overhaul content, remove pages, or start making technical changes without fully understanding what happened – but panicking is the worst thing you can do.
Structured analysis is vital to respond to a Google algorithm update effectively. You first need to understand whether your site was genuinely impacted, which sections were affected, what changed in the SERPs, and whether the update exposed broader quality or technical issues within your website.
Let’s learn how to properly evaluate your performance after a Google core update, what metrics matter most, and the actions you should take to recover.
What is a core algorithm update?
A core algorithm update is a broad change to Google’s ranking systems that affects how pages are evaluated and ranked in the search engine results page (SERP). Google typically releases several confirmed core updates annually, announcing them through the Google Search Status Dashboard or Google Search Central communications.
Core updates aim to improve the quality and relevance of Google’s search results and apply across all industries, websites, and content. This differs from spam or product review updates, which target specific types of content or behaviours. They’re not manual penalties, and rarely target individual websites directly.
Instead, core updates reassess how content, expertise, trustworthiness, intent satisfaction, and overall website quality compare against competing results. Rollout periods often last between one and three weeks, during which rankings can fluctuate significantly before stabilising.
These updates often reassess signals relating to:
- Content quality
- Search intent alignment
- Website trust and authority
- User experience
- Expertise and credibility
- Originality and usefulness
- Technical performance
Why do Google core updates matter?
Google core algorithm updates can directly impact keyword rankings, which affects organic traffic and lead generation for businesses. This can be either positive or negative, depending on whether your site sees a boost or drop in rankings after a core update.
Core updates can also impact brand awareness and AI search visibility, as they often identify the websites and pages that Google’s AI search models crawl, summarise, and use as citations. This includes the likelihood and prominence of appearing in AI Overviews and Gemini responses.
Reviewing the impact of a core update and taking action to amend any negative effects is vital to maintain and improve the performance of your website. A ranking drop after a core update doesn’t necessarily mean your website has done something wrong. Competitors may simply have improved their content, user experience, or topical authority more effectively.
Sites with strong technical SEO foundations but poor content quality often experience volatility after core updates. Those with excellent content but poor UX or weak authority signals may also struggle.
What to do during a core algorithm update
Stay calm during the first 48 hours after a core update, as this period is usually the most chaotic. Rankings fluctuate heavily across rollouts, so it’s best to fully analyse what has happened and the effects on your website before rushing into recovery work (which may or may not be necessary).
Core updates can take several weeks to complete. Rankings might rise, fall, and stabilise many times over these weeks before the final impact becomes clear. Hold off on making major structural changes as the core update rolls out unless you identify a serious technical issue unrelated to the update itself.
Confirm if the core update affected your site
A core update doesn’t cause every traffic drop and performance issue. First, verify whether:
- Traffic declines align with the confirmed core update rollout dates
- All channels declined or just organic search
- Seasonality could explain the drop
- Any tracking or analytics issues occurred
- Competitors experienced similar volatility
Businesses sometimes incorrectly assume every ranking fluctuation is algorithm-related and attribute losses to Google. However, the real cause may be an underlying issue such as tracking errors, migration complications, demand changes, or SERP feature shifts.
Document ranking and traffic changes
Create benchmarks after a core update by tracking:
- Organic sessions
- Impressions
- Click-through rate
- Average keyword positions
- Conversion performance and changes
- Keyword movement by page group
Segmenting changes by directory, page type, device, and intent category helps identify patterns. For example, compare whether blog content declined while commercial pages stabilised, if informational keywords were affected more than transactional terms, or whether mobile rankings fell significantly more than desktop.
Determining these patterns can often reveal the real issue behind visibility losses.
Monitor competitors and SERP changes
Core updates are comparative and don’t target specific industries or websites. If your site experiences a performance drop, it’s likely some of your competitors will too, while others may improve. It might not be that your content declined in quality, but that competitors simply improved faster.
Analyse the top-ranking pages after a core update and assess their content depth, freshness, internal linking, UX, content types, EEAT signals, structured data implementation, and image and video use. Compare this against your own content to see what they do better.
Avoid reactive SEO changes
One of the most damaging responses to a core update is implementing large-scale reactive changes without evidence. This includes deleting, reducing, or rewriting content quickly and unnecessarily, removing internal links and disavowing links without cause, and over-optimising headings and keywords.
These reactive changes might waste time and effort for little reward, or worse, further negatively impact performance. SEO recovery should be evidence-led, not fear-led, so wait until you have supporting evidence before making any significant changes.
How to analyse your site’s performance after a Google core update
Once rankings stabilise, take a deeper evaluation of your website’s performance. This is where you can start to build meaningful recovery strategies.
Analyse visibility trends in Google Search Console
Google Search Console (GSC) should be your main source for Google core update analysis. Focus on impressions, clicks, average position, CTR changes, query-level performance, and landing page performance.
Compare data across these three main periods:
- The weeks and months before the core update
- During the confirmed core update rollout period
- Across the post-update stabilisation periods
Look for consistent patterns rather than isolated keyword drops and performance fluctuations across these three periods to identify any potential trends.
Identify intent mismatches
A common cause of ranking declines following core updates is misalignment in search intent. Google continually refines its understanding of what users want for specific search and AI queries.
This can change over time, so it’s important to review the current results and ensure your content matches what ranks. If your page no longer matches dominant SERP intent, rankings can decline even if the content is strong.
For example, video-heavy results may outperform written guides, or comparison content might outrank product pages for certain keywords. Identify any mismatches and potential updates to help your content compete.
Evaluate technical SEO performance
Core updates aren’t primarily technical updates, but technical weaknesses can amplify visibility losses. Review technical SEO elements such as crawlability, indexation, internal linking, page speed, back link quality, Core Web Vitals, mobile usability, canonicalisation, and structured data.
Technical SEO rarely causes core update declines on its own, but weak technical foundations may limit recovery potential.
Assess E-E-A-T signals
Demonstrating Experience, Expertise, Authoritativeness, and Trustworthiness (E-E-A-T) remains essential. Thin, repetitive, or overly templated content is increasingly vulnerable during core updates.
Review your content and ensure it provides:
- Original insight
- Subject expertise
- Comprehensive topical coverage
- Clear and expert authorship
- Strong sourcing and credible citations
- Updated and transparent business information
- Helpful UX
- Real-world experience
Be objective and consider whether the content genuinely answers the user’s questions, is better than competing pages, shows real expertise, and is up to date.
How to recover if a Google core algorithm update negatively affects your performance
Recovery from a core update is rarely immediate, so meaningful improvements might not be fully recognised until future core updates reassess your website.
Strategies should focus on long-term quality improvements rather than short-term ranking manipulation.
Improve content quality at scale
Prioritise pages with the largest traffic and conversion losses and work to improve the content quality in various ways. Focus on:
- Expanding thin content and adding depth and relevancy
- Improving topical authority with content pillars
- Updating any outdated information
- Adding expert insight, authorship, and credibility
- Improving readability and UX
- Strengthening internal linking
- Using video and images where relevant
Avoid publishing content solely for keyword coverage. Modern SEO content must provide genuine value and demonstrate expertise.
Consolidate overlapping content
Keyword cannibalisation, content duplication, and fragmented topical authority can all hamper websites. If multiple weak pages target similar queries, consolidating them can improve overall performance.
Identify any similar pages and merge overlapping articles or remove and redirect redundant pages. Simplifying your site architecture by identifying any topic clustering opportunities and strengthening cornerstone content can also help.
Strengthen topical authority
Search engines and AI tools increasingly evaluate websites at an entity and topic level rather than purely page-by-page. Strengthening overall topical authority can enhance your brand’s entity SEO performance and AI visibility.
Build comprehensive and relevant topic clusters, cover related subtopics thoroughly with supporting informational content, and strengthen internal linking structures to demonstrate subject expertise consistently. Topical depth often matters more than isolated keyword targeting.
Improve UX and engagement signals
User experience is increasingly intertwined with SEO performance and AI visibility. Strong UX can help LLMs understand your content better, improving its chances of being cited in AI overviews. A page that provides a poor user experience is unlikely to perform well after an algorithm update, even if it’s technically well-optimised.
Review and improve core UX elements such as:
- Navigation clarity
- Mobile usability
- Readability
- Page speed
- Visual hierarchy
- Accessibility
- Conversion journeys
Boost brand and trust signals
Strong brands are generally more resilient during core algorithm update volatility. Various tactics can help boost brand awareness, such as running PR campaigns, submitting your brand for industry awards and recognition, and making expert contributions like guest posts across industry publications.
Focusing on customer trust signals and reputation management, such as working to improve reviews, also helps. SEO isn’t isolated from wider digital marketing performance.
Evaluate recovery over time
After making any changes to your website, track its performance consistently to see what works and what doesn’t. This can also help ensure you’re well-prepared for any future core updates.
Regularly review and map the performance of:
- Organic traffic (clicks and impressions)
- Keyword rankings
- AI visibility (citations and leads)
- Conversions
- SERP movement
- Competitor performance
Avoid chasing every algorithm fluctuation with reactive SEO changes, though. Websites that perform most consistently across core updates are usually those focused on long-term quality, strong technical foundations, authoritative content, and genuine user value.
Prepare for and recover from a core algorithm update with SALT
Google core algorithm updates are designed to reward websites that provide the best possible experience and value for users. Ranking volatility is frustrating, but core updates also create opportunities for businesses willing to invest in sustainable SEO and AI strategies rather than short-term tactics.
Recovery isn’t about finding a single fix, but improving across multiple areas simultaneously – content quality, technical SEO, user experience, authority, and trust.
If your website has been impacted by a core update, we’re here to help. Get in touch today to discuss your site and learn how we can help you navigate any algorithm updates successfully.