Your company is facing an increasingly competitive digital environment. Auditing a website is an essential step for any company wishing to improve its search engine positioning. Whether you’re an SME, an e-commerce site or an agency, a complete SEO audit will help you identify technical weaknesses, semantic opportunities and optimization levers to generate more traffic to your website.
But how do you carry out an effective SEO audit? What SEO tools should you use? And how can you adapt your strategy to the new demands of algorithms andartificial intelligence?
In this article, our SEO consultants explain how to audit your site, page by page, to boost your organic visibility, improve your user experience, and maximize your return on investment.
What is a website audit?
A website audit is an in-depth analysis of all the elements that make up your website, with the aim of assessing its performance, its visibility on search engines, and its ability to generate conversions. It’s a comprehensive review that identifies blocking factors, possible optimizations, and growth levers to improve natural search engine optimization.
An audit can cover several dimensions:
- Technical: verification of loading time, mobile compatibility, redirects, spider crawl, pageindexing, sitemap and URL structure.
- Semantics: analysis of keywords, duplicate content, semantic field, meta tags, descriptions and editorial relevance.
- Popularity: study of backlinks, netlinking, incoming and external links, trust flow, and site notoriety.
- UX/UI: evaluation ofergonomics, internal linking, bounce rate, navigation anduser experience.
- Webmarketing: analysis of KPIs via Google Analytics, conversion rates, landing pages, and Adwords or sponsored campaigns.
A well-executed SEO audit will help you position your site on the first page of Google’s natural results,improve SEO over the long term, and identify site pages that need to be redesigned or optimized.
See our page on natural referencing
The types of audits you need to carry out to optimize your site
A website audit is more than just a technical analysis. To achieve good search engine ranking, it is essential to combine several types of audits:
Technical audit
It identifies blocking factors that prevent spiders and crawlers from crawling your site efficiently. This includes :
- Page loading speed
- Mobile compatibility (responsive design)
- Misconfigured redirects
- 404 or 500 errors
- URL structure
- The sitemap.xml file and robots.txt
Semantic audit
It analyzes your site’s content: editorial quality, relevant keywords, duplicated content, meta tags, descriptions and semantic field. The aim is to ensure that each page is optimized for user queries and search engine algorithms.
Internal mesh audit
Internal linking refers to all the internal links that connect the pages of your site to each other. A good :
- Facilitates navigation anduser experience
- Boost the popularity of strategic pages
- Improves engineindexing
- Efficiently transmit link juice
The mesh audit identifies :
- Orphaned (unlinked) pages
- Broken or poorly anchored links
- Overly generic link anchors
- Opportunities to create semantic cocoons
- Smoother navigation for a better user experience
- Efficiently transmit link juice to strategic pages
Well thought-out internal linking not only improves the visibility of your pages in search results, but also converts visitors into customers.
Discover our articles dedicated to SEO copywriting and internal linking
Netlinking audit
It evaluates your site’s reputation on the web via backlinks (inbound links), their quality and origin, and their impact on your SEO positioning. Tools such as Majestic, Ahrefs or SEMrush enable you to measure your trust flow, the number of links, and detect toxic links that need to be disavowed.
Webmarketing audit
It relies on tools such as Google Analytics, Search Console, and Tag Manager to analyze :
- Bounce rate
- Conversion rate
- Best-performing pages
- Traffic sources
- KPIs for Google Ads or paid search campaigns
SEO audit and artificial intelligence: anticipating new algorithms
With the emergence of generative artificial intelligence, search engine optimization is evolving rapidly. Search engines like Google and Bing are now integrating conversational functionalities(Gemini, Copilot), capable of generating complete answers from multiple sources. This is profoundly changing the way web pages are indexed, interpreted and positioned.
New SEO challenges in the age of AI
A modern SEO audit must now include specific AI-related criteria:
- Content structuring: AI engines prefer well-organized content, with semantic tags, structured data (schema.org) and clear FAQs.
- Optimization for featured snippets: these highlighted extracts are often used as sources by AI engines.
- Voice and conversational search: long-tail queries, natural questions and direct answers are becoming essential.
- Content accessibility: pages must be easy to crawl, with consistent internal linking and anchored links to relevant content.
SEO tools to audit your site in an AI context
There are many solutions for an SEO analysis of your web pages:
- AnswerThePublic, AlsoAsked: to identify questions asked by users
- Google Search Console: track performance in enhanced results
- AI monitoring tools: to analyze visibility in engine-generated responses
- SE Ranking: one of the software packages used by our SEO agency for a 360° SEO view of our customers’ websites.
Recommendations for optimizing your site
- Create high-quality, well-structured content with keywords anchored in a rich semantic field.
- Integrate structured data to facilitate interpretation by algorithms
- Work on your internal links to reinforce your site’s thematic logic
- Adapt your editorial strategy to search intentions and conversational formats
Discover our SEO-optimized WordPress website design services
Website auditing tools
To audit a website effectively, it’s essential to use high-performance SEO tools capable of analyzing the technical, semantic and strategic aspects of your site. These tools can detect blocking factors, identify pages to be optimized, and track the evolution of SEO positioning in search engine results.
Technical SEO tools
These tools analyze the technical structure of your website:
- Google Search Console: for monitoringindexing, crawl errors, queries and indexed pages
- Google Analytics: track KPIs, bounce rate, conversions and site traffic
- GTmetrix and PageSpeed Insights: measure site loading speed and performance
- Screaming Frog SEO Spider: crawls URLs to detect missing tags, redirects and duplicate content
Semantic SEO and content tools
These tools analyze editorial quality, keywords and semantic structure:
- SEMrush, Ahrefs, Ubersuggest: to analyze the keywords on which your site is positioned, backlinks, and competing content.
- YourTextGuru, 1.fr, TextOptimizer: to enrich the semantic field and improve content relevance
- Copyscape, Siteliner: to detect duplicate content
Learn how to optimize your web content with an SEO copywriter
SEO popularity and netlinking tools
These tools evaluate your site’s reputation and the quality of incoming links:
- Majestic SEO: to analyze trust flow, number of backlinks and referring links
- Ahrefs: to monitor external links, anchors and referring domains
- Google Disavow Tool: to disavow toxic links that are detrimental to natural referencing
Tools for AI audit and conversational SEO
As AI algorithms evolve, it becomes crucial to use the right tools:
- AnswerThePublic, AlsoAsked: to identify frequently asked questions by Internet users
- Schema Markup Generator: for creating structured data compatible with AI engines
- Surfer SEO, Frase.io: optimizing content for search intent and conversational formats
Explore our complete guide to SEO website auditing
Key steps for auditing a website
An effective website audit is based on a rigorous methodology, combining technical, semantic and competitive analysis. Here are the main steps to follow for a complete and structured audit of your site.
Web page and URL analysis
Each web page must be analyzed individually to verify its relevance, structure and role in the site’stree structure. The aim is to :
- Identify strategic pages
- Check URL structure (readability, keywords, hierarchy)
- Detecting orphaned or duplicate pages
- Evaluate the number of indexed pages
Check tags (title, meta description, Hn)
HTML tags play a key role in natural referencing:
- The title tag must be unique, descriptive and contain the main keyword.
- Meta descriptions must encourage clicks in search results
- Hn tags (H1, H2, H3…) must structure the content in a logical way.
Content analysis: duplication, relevance, keywords
The content of your site must be original, relevant and optimized:
- Duplicate content detection (internal or external)
- Checking keyword density
- Analysis of the keywords on which each page is positioned
- Assessment of semantic relevance and added value for the user
Analysis of internal links and external links
Effective internal linking improves navigation and SEO positioning:
- Check internal links between pages
- Optimizing link anchors
- Detecting broken links
- Evaluation of external links (to reliable sources or partners)
Check indexing and sitemap
Correctlyindexing your pages is essential for appearing in the SERPs:
- Check indexed pages via Google Search Console
- Checking the sitemap.xml file
- Analysis of robots.txt file
- Identification of blocked or unindexed pages
Performance analysis: loading time, bounce rate, conversions
Technical performance influences both SEO anduser experience:
- Loading time measurement (desktop and mobile)
- Analysis of bounce rate and conversion rate
- Assessment of mobile compatibility (responsive design)
- KPI tracking via Google Analytics
Analysis of competitors and positioning
Compare your site with those of your direct competitors to identify opportunities:
- Analysis of SEO positioning on strategic keywords
- Study of competitor backlinks
- Evaluation of content, structure and popularity
- Identify differentiating levers to exploit
Search engine optimization and artificial intelligence
The arrival of search engines incorporatinggenerative artificial intelligence (AI), such as Google SGE, Bing Copilot and ChatGPT, is overturning the traditional rules of SEO. These technologies are changing the way web pages are analyzed, selected and displayed in search results.
How are AI search engines changing the rules of SEO?
AI engines no longer simply rank pages according to keywords: they synthesize answers from multiple sources, giving priority to structured, reliable and contextually relevant content. This means:
- Greater emphasis on semantics andsearch intent
- A selection of content capable of directly answering a question
- A preference for sites with strong authority and an optimized user experience
The importance of content optimized for direct response and conversational search
To appear in AI-generated results, it’s essential to produce content:
- Structured in question-and-answer format
- Enriched with FAQs, clear headings and concise paragraphs
- Optimized for long-tail queries and voice search
- Written in natural, yet precise, language to match conversational patterns
Data structuring: schema.org, tagging, voice compatibility
Structured data plays a key role in helping AI engines understand content:
- Use of schema.org tags for articles, products, reviews, events, etc.
- Clear markup (Hn, lists, tables) to facilitate information extraction
- Optimization for voice search: short sentences, conversational tone, synthetic answers
Recommendations for appearing in the first results generated by AI
To maximize your chances of being selected by AI engines, here are a few recommendations:
- Create expert, reliable, value-added content
- Work on your internal links to reinforce thematic coherence
- Integrate structured data on every strategic page
- Monitor your popularity (backlinks, mentions, notoriety)
- Analyze conversational queries with tools such as AnswerThePublic or AlsoAsked
- Update your content regularly to stay relevant and up-to-date
Interpreting the results of a website audit
Once theSEO audit has been carried out, it’s essential to interpret the data collected to derive concrete recommendations. The aim is to transform technical, semantic and marketing analyses into strategic actions to improve SEO and site performance.
Identify weak points
The audit identifies the blocking factors that affect your site’s visibility in search engine results:
- Non-indexed pages
- Duplicate or irrelevant content
- Missing or poorly optimized meta tags
- Loading time too long
- Inconsistent or insufficient internal meshing
- Low popularity (few quality backlinks or inbound links)
Prioritize optimizations
Not all identified problems can be corrected at once. An action plan must be drawn up based on :
- Impact on SEO positioning
- Ease of use
- Available resources (technical, human, budgetary)
- Marketing objectives (traffic, conversions, brand awareness)
Examples of priority optimizations :
- Rewriting title tags and meta descriptions
- Improving internal networking
- Removing or revising duplicate content
- Optimization of home pages and strategic pages
- Implementation of a web analysis tool to monitor KPIs
Tracking performance over time
A website audit is not a one-off exercise. It must be part of an ongoing SEO strategy. To achieve this, we recommend :
- Set up SEO monitoring with tools such as Google Analytics, Search Console, or WordPress plugins
- Tracking keyword positioning
- Analyze bounce rate, page views and conversions
- Conduct regular audits to adjust strategy
Why entrust your audit to Altosor Communication?
Using an SEO agency agency like Altosor Communicationmeans benefiting from comprehensive, personalized support to improve your natural and paid search of your site, while optimizing your digital strategy.
Expertise in search engine optimization, paid search and web marketing
Altosor Communication offers you a global approach to SEO and SEA (Google Ads, Meta Ads, Linkedin Ads)combined with skills in webmarketing, website creationand WordPress website redesign. Our experts master search engine algorithms, conversion levers and analysis tools to boost your visibility.
Experienced SEO consultants
Our SEO consultants carry out in-depth SEO audits, taking into account the specifics of your business sector, your CMS, and your marketing objectives. They help you analyze your site, identify blocking factors, and implement sustainable optimizations.
A complete audit with detailed report and personalized recommendations
Every Altosor website audit includes :
- Technical analysis (speed, indexing, compatibility)
- Semantic analysis (content, keywords, markup)
- Popularity analysis (backlinks, netlinking, trust flow)
- A clear, structured audit report with concrete recommendations
Strategic and operational support
In addition to auditing, Altosor can assist you in :
- Creating or redesigning your website
- On-page and off-pageSEO optimization
- The netlinking and inbound link management
- Positioning tracking and KPI analysis
- Implementing a long-term SEO strategy
Ready to boost your site’s visibility? Take action with Altosor
You now have all the keys you need to understand the importance of a website audit and the steps you need to take to improve your SEO. But to go further, nothing beats the expertise of an experienced SEO agency.
At Altosor Communication, we help you :
- Identify technical obstacles and SEO opportunities
- Setting up a customized SEO strategy
- Optimize your content, internal links, backlinks and performance
- Track your KPIs and improve conversions over the long term
Do you want concrete results?
Request your free SEO audit now and benefit from a personalized diagnosis of your site.
