Two Ahrefs Site Audit Crawls Show SEO Effectiveness Gap

Ahrefs (used form a nominal expression) Site Audit Provides multiple ways to compare the differences between two crawls. Pages can be checked HTML or link page changes, and also compare SERP Title, Natural Traffic,Site Map URL etc. This makes the progress of site optimization visible and helps to identify potential problems. Here's how to compare the results of two crawls.

I. Comparing Changes in the Site Audit Overview

1. Quick comparison of all crawled data

After clicking on the project name, you can view summary data for all crawls in the last 12 months.

• Charts and tables will show core metrics such as health scores, number of pages affected, etc.

• Differences compared to the last crawl are marked in green and red.

• Hover over the chart bar to see the specific date and corresponding data.

2. Arbitrarily select two crawls for comparison

In the top drop-down option, feel free to select two grabs for comparison.

Example:

• Finding pages that haven't updated their content in a long time
• View pages that have experienced a significant drop in traffic over a six-month period
• Checking for problems that have not been fixed after multiple revisions

3. View the last ten health scores

The system displays the health score trend for 10 consecutive grabs, with the current grab highlighted in a more prominent color for easy visual comparison.

4. Comparison of changes across issues

go into What's New tab, you can see the page issues that have been added or increased for this crawl compared to the last one, and sorted by importance.

Meanwhile.Top Issues The tab displays the issue with the most affected pages.
strike (on the keyboard) All Issues Report, can see a complete comparison of all the issues between the two grabs.

II. Comparing changes in arbitrary questions

1. View the number of affected pages

In the history comparison chart, the red line indicates the current crawl and the gray line indicates the history of the compared crawls. Toggling the date of the crawl allows you to see how the same issue has performed over time.

tick Highlight new respond in singing Show lost, you can view the added and disappeared pages separately.

2. Filtering for added or disappeared pages

Take "Title too long" as an example:

• All: Pages that still have the problem in this crawl
• New in results: No previous problems, this new problem page added
• New: Brand new page found in this crawl and problematic
• No change: The problem exists in both crawls
• Lost from results: There was a problem before, but this time it was fixed or not captured
• Lost: There was a previous problem, but this crawl did not find a corresponding page

3. Quick view of natural traffic changes

opens Show changes switch, which can be displayed in the reportnatural flowThe increase or decrease of the value of the program supports the display of absolute values or percentages.

New grabs will be highlighted in green and old grabs in red.

existcaptionSimilar changes are shown in issues such as, sitemaps and content, for example SERP Title andKeyword RankingThe

4. Use of advanced filters

Advanced filters can help screen for specific changes:

• numeric field: e.g. traffic, word count,external chain of command (finance)Increase or decrease in volume
• boolean field: e.g. whether the page is indexable, whether it is in the sitemap
• text field: as in the title,Canonical URLChanges to the Schema element

III. Comparing changes to individual pages

Each successfully crawled page (HTTP 200) can be opened separately URL Details PanelThen go to View Source::

• View Original HTMLThe HTML, rendered HTML, or text of a page crawled by a crawler.

• utilization Compare with Drop-down menu to compare two captures, or compare original vs. rendered version

• Red represents content removed from the old version, green represents content added to the new version

This approach lends itself to analysis:

• Impact of changes in page content on ranking or access results
• Whether there is a dependency JavaScript Content or external links that are rendered to be displayed

IV. Application Scenarios

1. Tracking optimization progress: Evaluate whether changes resulted in health and traffic gains
2. Identifying potential problems: Quickly locate added pages or technical issues
3. Content update check: Validating the impact of page changes on search performance
4. Compare Competitive Crawl: If you monitor your competitor's website, you can also analyze the changes brought about by their revisions.

summarize

leverage Ahrefs (used form a nominal expression) Site Audit Grab and compare functionIt allows you to monitor your site's performance from technical indicators, content updates, traffic changes and keyword rankings. Whether it is to verify the effectiveness of optimization or troubleshooting, this is a very important tool in site management and SEO work.

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