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#Issue
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BasicsTechnical SEO Audit Checklist
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1Google Analytics installed
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2Google search console (GSC) connected2 out of 74 checks complete
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3On WordPress? Install Yoast SEO or RankMath plugin
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Crawlability & Indexing
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4URLs return 200 status codeTools you can use for the audit...
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5Preferred domain version set ("www" or without "www")
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6Is the robots.txt file in the root directory of your domainScreaming Frog (free)
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7Is the robots.txt correctly configured with allow and disallow directivesGoogle Page Speed Insights (free)
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8XML sitemap link in the robots.txt fileSemrush (free)
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9Sitemap connected with GSCAhrefs (paid)
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10All the URLs indexableSitebuilb (free)
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11All the URLs easy to understand and SEO-friendlyCopyscape (free)
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12Are there any orphan pagesSiteliner (free)
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13Does the canonical tag point to itself
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14Is only one canonical tag implemented per URL
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15Are there any server errors (5xx codes)
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16No manual action (spam penalty) in GSC
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Security
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17SSL certificate is installed
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18Site is accessible with both “http” and “https”
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19Site is accessible with both “www” and without “www”
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Are all URL versions (“www”, “non-www”, “http”, “https”) point to one version only
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Links
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21Check for absolute vs. relative URLs
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22Pages don’t have broken links
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23Pages don’t have link redirects, redirect chains, and redirect loops
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24Pages don’t have broken link redirects
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25All the 301 redirects are working properly
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26Internal links use the dofollow tag
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27Strategic internal links are placed (such as links to important pages)
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28Internal links use keyword-rich anchor texts
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Site Structure
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29Breadcrumbs are set up correctly
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30Every page can be reached within 4 clicks or less
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31Important categories/pages are linked from the homepage
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32Important pages are easily accessible from the header or footer
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33Footer have links to pages like Privacy Policy, Terms of Service, Affiliate Disclosure, Contact details, and About page
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Content
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34Only one H1 (Heading 1) tag per page
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35Unique page title tags with no duplication
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36No missing meta descriptions
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37No duplicate meta descriptions
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38Primary keyword in the H1 tag, and keyword variations in H2, H3 tag
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39Pages don’t have low quality or thin content
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40Pages don’t have duplicate content
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41No iFrame or Flash used to load content
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42Published content is informative, authoritative & written by experts
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43Correct structured data markup implemented
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Image Optimization
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44Images have descriptive alt tags
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45Images have descriptive file names, titles, and captions
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46Images widths and heights are defined
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47Images are included in the Sitemap
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48Image are optimized (to ensure fast page load times)
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Videos
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49Videos are indexable
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50Videos are included in the sitemap
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51Video Schema markup implemented
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Mobile Friendliness
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52Website is fully mobile-friendly
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53Website uses responsive design
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54Works properly on Chrome, Safari, Edge, and Firefox
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55Works properly on a tablet, phone, and desktop
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Core Web Vitals (Page Speed)
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56Website passes Google’s PageSpeed Insights test
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57All URLs clear Core Web Vitals scores
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58Site loads under 5 seconds
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59Server response time is under 200ms
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60Minimal usage render-blocking CSS and Javascript
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61Browser and server caching enabled
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62Above-the-fold content is prioritized
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Accessibility
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63All images have alt text
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64Proper semantic markup (<H1>, <H2>, <H3>, <p>, etc.) is used
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65Link text is descriptive
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66Pages are navigable via keyboard
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67Transcripts and captions are available for videos
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68Aria labels implemented to help screen readers
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International Sites
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69Preferred country version is selected in GSC
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70Hreflang tag is implemented correctly
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71Language or country codes are set up correctly
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72Return links are used
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73Language versions forward correctly
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Currencies, units, navigation menus change accordingly with the selected region
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