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Can we run a technical SEO audit checklist ourselves before hiring anyone?

TTülay A***MemberCommunity member
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147
#1

We run an e-commerce site selling B2B industrial packaging supplies out of Chicago. We manage around 1,200 products and about 300 category pages. After noticing a distinct fluctuation in our organic search traffic over the last three months, we spoke with two different local agencies. Just for the initial technical audit, one quoted $3,000 and the other wanted $4,200.

Our budget isn't tight, but before spending that money externally, I'm wondering if our in-house team could actually spot the core technical glitches. We have an in-house developer on the software side, but no full-time SEO specialist.

What can we check on our own using free tools? There are countless checklists floating around online, but it's hard to tell which ones are genuinely critical. What would a sensible technical checklist look like that we could run ourselves before heading to an agency?

AAycan K***Member
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122
Most Helpful#2

Short answer: Yes, for a 1,500-page site you can easily handle a basic technical SEO audit on your own without paying an external agency. Free tools from Google and desktop software that offer free crawls up to 500 pages will clearly reveal most of the technical errors threatening your traffic.

Here's the sequence you should follow for your audit: 1) Open the page indexing report in Google Search Console and categorize the URLs flagged as 'Not indexed'; 404 pages server errors, and faulty redirects will show up right away. 2) Check your robots.txt file and XML sitemap; see if there's any rule accidentally blocking critical category or product pages from being crawled. 3) Inspect canonical tags for duplicate content and standardization; ensure filtered or parameterized URLs point correctly to the canonical page. 4) Identify slow-loading templates as part of mobile-friendliness and Core Web Vitals.

What's genuinely urgent is the site not being crawlable by search engines at all, a 'noindex' tag accidentally pushed to production, and 500-level server errors piling up on critical pages. Missing image alt tags or a few page titles being too long take a back seat. With these core steps, you and your developer can knock out most of the critical issues in just a few days.

OOnur A***Member
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Field sales representative
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regional distributor
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#3

Most of that $3,000 agencies are charging is really just the cost of running an automated crawler and turning it into a PDF. If you have a developer, pull up the Search Console coverage report first. The unindexed pages there will tell you your site's actual architectural problems.

YYiğit A***VeteranCommunity member
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Jan 2025
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#4

The biggest overlooked technical issue is parameterized filter pages. In e-commerce, with 1,200 products, filters can cause bots to find 50,000 distinct URLs. Put crawl rules for URL parameters at the very top of your list; otherwise, they'll burn through your server crawl budget.

DDamla K***MemberCommunity member
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Aug 2025
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1
#5

Download one of the free desktop crawlers. They let you crawl up to 500 pages at a time; since your site has 1,500 pages you can crawl the main categories in chunks and dump broken links and redirect chains into an Excel sheet in a single afternoon.

Correction: I misremembered the figure, it was a bit lower.

SSelin P***Member
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#6

We ran an audit ourselves on a similar-sized site last year. We found 240 old product pages returning 404s and 12 broken redirect chains on Search Console. Our developer cleaned them up in three days, and our organic impressions bounced back within two months.

note: I wrote this based on my own experience, it might not apply to everyone.

İİlker K***Expert
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Software developer
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300-person organization
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#7

Exactly which pages saw the traffic fluctuation? Was it an overall organic drop, or did you lose rankings on specific category pages? Does the timing of the traffic drop line up with your last software release?

TTaner Y***Expert
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Regional Manager
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cooperative
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Doki · Vulnerability scanning · 2025

#8

check if thee are pages with noindex tags in the sitemap. i mean devs usually forget this when pushing from staging to prod search console flags it in red right away anyway.

edit: fixed a few typos.

ÖÖmer N***MemberCommunity member
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Jun 2022
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62
#9

Free tools catch basic technical issues but they won't solve crawl budget management or complex JavaScript rendering problems. If your site relies on client-side rendering with a modern JavaScript framework, a simple checklist might not reveal the real issue.

AAyşe A***Member
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Customer service representative
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chain store
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Feb 2023
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29
#10

Don't be intimidated, entry-level technical SEO is quite straightforward and logical. Search Console includes Google's own official documentation right next to every alert. You and your developer can make fast progress just by reviewing those error codes together.

EElif P***New member
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#11

Let me summarize what's been said so far. If it's your first time, start small; scaling comes later.

Just leaving this note, it might be useful.

İİlker Ö***Expert
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Furniture manufacturing
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#12

yes that's exactly how it is with technical seo audit. if rankings stay the same but clicks drop, the issue isn't your page, but the search result appearance.

if you have questions, write them; Ill answer as best I can.

FFatih G***Member
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medium-sized business
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#13

It's rare to find an explanation this clear. If you get three different answers on a topic, the question was asked wrong.

If you post the result here, it will help others too.

HHilal Y***Expert
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#14

I'm a small business, let me explain from my side. Don't trust anyone who gives guarantees; there are no guarantees in this business.

Map listings bring more business than blog posts for most local businesses. Correct me if I'm wrong.

EElif G***ExpertCommunity member
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#15

I'd say don't rush. honestly a competitor's ranking might come from years of accumulation not just their content.

Correct me if I'm wrong.

MMustafa N***Member
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Technical service technician
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Cosmetics
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40-person manufacturing company
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324
#16

I'd say don't rush. When making decisions, write down the worst-case scenario too, not just the best.

Just leaving this note, it might be useful.

İİbrahim S***New memberCommunity member
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Jun 2026
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20
#17

Just a heads-up. The real issue isn't the number, but what it's based on.

Solutions that work at a small scale collapse when you grow; I learned this late.

NNurcanNew member
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Cleaning services
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Nov 2024
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#18

we got stuck at the same point for a while and if you dont write this down from the start, it leads to arguments later.

the harder it is to reversse a decision, the slower you should make it... correct me if Im wrong.

KKoray T***Member
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Regional Manager
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Construction
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sole proprietorship
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Dec 2023
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103
#19

I have an objection here. Everyone rushing into technical seo audit gets stuck at the same point.

The real issue isn't the number, but what it's based on. If you have questions, write them; I'll answer as best I can.

ÜÜlkü B***New memberCommunity member
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240
#20

I disagree with you on this point. The harder it is to reverse a decision, the slower you should make it.

If you don't write this down from the start, it leads to arguments later. I'm also curious if anyone does it differently.

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