This SEO checklist is designed to be a glossary of terms with links towards pages. Each page explains in more detail all three of the following questions: What is this term? How can I check it? Is there a solution?

If you’re looking to get help with SEO and want to find quick-easy solutions – these pages are for you. If you’re looking for a guide on ranking, then check out my article on Google Ranking Factors.

A

Ajax
Artificial Intelligence (AI)

B

C

Cascading Style Sheets (CSS)
Child Themes

D

Disavow File
DoFollow Links
Domain Name Servers (DNS)
DOM Content Loaded (DCL)

E

F

File Transfer Protocol (FTP)

G

H

H3, H4, H5 and H6 Tags
Hummingbird

I

Index
Image Tags
Internet Service Provider (ISP)

J

Javascript

K

L

Lazy Loading

M

Machine Learning
Mobile Friendly

N

Natural Language Generation (NLG)
Natural Language Understanding (NLU)
Neural Networks
NoFollow Links

O

P

PageRank (PR)
Pandas
Parse Tree Graphs
Parts of Speech
PHP Hypertext PreProcessor (PHP)
Python

Q

Quality Score (QS)

R

RankBrain
Raster Images
Regional Internet Registry (RIR)
Rich Snippets
Robots.txt

S

Sentiment
Server
Sitemap (HTML)
Social Signals
Strict Transport Security (HSTS)

T

Time To First Byte (TTFB)
Top Level Domains (TLDs)

U

Uniform Resource Indicator (URI)
Uniform Resource Locator (URL)
URL Parameters

V

Vector Images
Virtual Private Networks (VPN)

X

X-Content-Type
X-Frame-Options
X-Powered-By
X-Robots-Tag
X-XSS-Protection