ATS guides

Tailoring a CV to one advert

Tailoring has a reputation for being slow because it is usually described as rewriting. It is not rewriting. It is deciding what the first third of page one is about, given this advert, and then making four or five specific edits. Done from a base CV you already trust, it takes about twenty minutes and it invents nothing.

Appliora Editorial Team · Updated 18 September 2026 · 6 min read

What changes, and what never does

The line between emphasis and fiction is not blurry, and keeping it sharp is what makes this sustainable.

The tailoring boundary
Change freelyChange carefullyNever change
The headline under your nameWhich bullets lead each roleDates
The professional summaryWhich skills are listed, and in what orderEmployers
Which achievements appear firstHow much space an old role getsJob titles you held
The industry noun for work you didWhether a side project is includedQualifications and their levels

Everything in the first column is an editorial decision about your own document. Everything in the third is a fact about your history.

The reason the third column is absolute is not only ethical. A CV that wins an interview it cannot survive has cost you the interview, the recruiter's goodwill and any future role at that company. And the checks that read those fields - Consistent dates (7 points) among them - are looking for consistency, which an edited history tends to lose.

The pass, in order

Twenty minutes, from a base CV and an advert you have already read.

  1. Three minutes - extract the requirements. The must-haves, the wish list, the years, the languages. The advert-reading guide is the long version; the short version is two lists in a text file.
  2. Two minutes - decide the one sentence. What is this application's claim? "Ten years of commercial reporting in retail" or "a data analyst who has shipped models into production", not both. Everything below serves that sentence.
  3. Three minutes - the headline and the summary. The headline under your name becomes the advert's job title where that is honestly your role. The summary states the one sentence and the two pieces of evidence for it. Writing a professional summary covers the shape.
  4. Five minutes - reorder the bullets. Within each role, the bullet that speaks to a must-have goes first. Do not reorder the roles themselves - reverse chronological is what a parser and a reader both expect.
  5. Three minutes - the skills line. Every must-have you genuinely have, named the way the advert names it. Remove anything that is not doing work for this application; a shorter list reads as a sharper one.
  6. Two minutes - the space audit. If the CV is now too long, compress the oldest roles to one line each. Never delete a role, because the dates have to stay continuous.
  7. Two minutes - re-check. Upload the tailored file to the checker with the advert pasted in, and read the requirement verdicts rather than the score.

Length, and the gap you can create by accident

Two checks quietly police the consequences of tailoring.

Length against experience (4 points) scores page count against career length rather than against a fixed ideal. Under 3 years the expectation is one page; up to 10 years, one or two; beyond that, two. Both directions are errors - two pages for a graduate looks padded, one page for fifteen years looks like it omits the career. One page or two goes into the judgement calls.

Consistent dates (7 points) checks that date formats are consistent and that each range attaches to its role, and it reports any gap of 6 months or more. The gap is reported rather than penalised: the point is that you should not be surprised by the question in an interview. Deleting an old role to make space is the fastest way to manufacture a gap that was never there, which is why the space audit above compresses rather than removes.

It also checks overlapping employment, with a floor of 2 months - shorter overlaps are the ordinary ragged edge of changing jobs, a notice period served while a new contract has started, and reporting those would be pedantry. Handling employment gaps covers what to do when a real one exists.

What the edits look like

Same career, same facts, two adverts.

Weak
Headline: Marketing Specialist
Stronger
Headline: Lifecycle Marketing Specialist (email and retention)
Why
Against an advert whose must-haves are retention and email. The title is still the one held; the parenthetical is the advert's own vocabulary, applied to real work.
Weak
Summary: Marketing professional with six years of experience across a range of channels, seeking a challenging new role.
Stronger
Summary: Six years in lifecycle marketing, most recently owning email and push for a subscription base of 40,000. Rebuilt onboarding sequences that lifted week-four retention by 6 points.
Why
The second states the one sentence and its evidence. It also scores better on Bullet quality and How it reads, which measure quantification and how the prose reads. Use your own figures.
Weak
Skills: marketing, communication, teamwork, Microsoft Office, social media, creativity, campaigns, analytics, time management
Stronger
Skills: Braze, Iterable, SQL, A/B testing, cohort analysis, HTML email
Why
The first list survives any advert and serves none. The second is what this advert filters on. Soft skills are not deleted - they move into the bullets where they can be proved.
Weak
Deleting a 2016-2018 role to fit on one page
Stronger
Compressing it to: Account Coordinator, Helio Media, 2016-2018 - agency retainers for three FMCG clients.
Why
One line, dates intact, no six-month gap created. The Consistent dates check is looking for exactly the discontinuity the deletion would have produced.

Verifying the result

The point of re-checking is not the score. It is the two lists.

After tailoring, the useful output is the requirement verdicts from Job Match - which must-haves your document now covers, which are partial, which are still missing - and the findings list from the CV score, capped at the 7 most severe so the report is a report rather than a reason to close the tab. Findings are sorted by severity, critical before major before minor.

The score itself is useful as a before and after. Appliora's model is versioned - 4.5 at the time of writing - and the version is shown in the report specifically so that the same file scored twice gives the same number, and so that a difference between two runs is a difference in the document rather than in the measuring instrument. What the number does and does not mean is worth reading once before you get attached to it.

Questions people ask

How long should tailoring actually take?

About twenty minutes per advert once you have a base CV you trust. Most of that is reading the advert properly; the edits themselves are a headline, a summary, the order of a few bullets and the skills line. If it is taking two hours, the base CV is the problem rather than the tailoring.

Is it worth tailoring for every application?

It is worth tailoring for every application you would be disappointed to lose. For a role with several hundred applicants somebody has to narrow the pile before a person reads it, and the narrowing is done on what your document says about that specific job.

What am I allowed to change?

Emphasis, order and wording. The headline under your name, the summary, which bullets lead each role, which skills are listed, and which words describe work you actually did. Never the dates, the employers, the job titles you held or the qualifications you have.

Will trimming old roles create an employment gap?

It can, and it is the commonest self-inflicted injury in tailoring. Appliora reports any gap of six months or more so you are not surprised by the question. Compress an old role to a single line rather than deleting it - the dates stay continuous and the space still goes to the relevant work.

Should I re-run the checker after tailoring?

Yes, and the reason is specific: tailoring changes the content checks, which carry 30 of the 100 points. Rewriting a summary or reordering bullets can move bullet quality and concrete skills in either direction. The model is versioned so two runs of the same file give the same number, which makes a before and after comparison meaningful.

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