Advice and answers from the Dragon Metrics Team

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115 articles in this collection
Written by Ian Lau and Simon Lesser
Site Issues

Multiple Rel=Canonical Tags

Written by Ian Lau
Updated over a week ago

Rel=Canonical Empty / Missing

Written by Ian Lau
Updated over a week ago

Meta Robots NoFollow

Written by Ian Lau
Updated over a week ago

Blocked by robots.txt

Written by Ian Lau
Updated over a week ago

Blocked by X-Robots Tag

Written by Ian Lau
Updated over a week ago

Blocked by Meta Robots

Written by Ian Lau
Updated over a week ago

No Keywords in Body Text

Written by Ian Lau
Updated over a week ago

Mixed Redirects

Written by Ian Lau
Updated over a week ago

Invalid Characters in URL

Written by Ian Lau
Updated over a week ago

No Links on Page

Written by Ian Lau
Updated over a week ago

Meta Refresh Tag

Written by Ian Lau
Updated over a week ago

Meta Keywords Too Long

Written by Ian Lau
Updated over a week ago

Body Text Too Short

Written by Ian Lau
Updated over a week ago

No Keywords in URL

Written by Ian Lau
Updated over a week ago

Infinite / Looped Redirect

Written by Ian Lau
Updated over a week ago

Redirect Chain

Written by Ian Lau
Updated over a week ago

URL Too Long

Written by Ian Lau
Updated over a week ago

Too Many URL Parameters

Written by Ian Lau
Updated over a week ago

Too Many Links on Page

Written by Ian Lau
Updated over a week ago

Duplicate Page Content

Written by Simon Lesser
Updated over a week ago

No Keywords in Meta Keywords

Written by Simon Lesser
Updated over a week ago

Duplicate Meta Keywords

Written by Simon Lesser
Updated over a week ago

Meta Keywords Empty / Missing

Written by Simon Lesser
Updated over a week ago

No Keywords in Headings

Written by Simon Lesser
Updated over a week ago

Multiple H1s

Written by Simon Lesser
Updated over a week ago

H1 Too Short

Written by Simon Lesser
Updated over a week ago

H1 Empty / Missing

Written by Simon Lesser
Updated over a week ago

No Keywords in Meta Description

Written by Simon Lesser
Updated over a week ago

Multiple Meta Descriptions

Written by Simon Lesser
Updated over a week ago

Meta Description Too Long

Written by Simon Lesser
Updated over a week ago

Duplicate Meta Description

Written by Simon Lesser
Updated over a week ago

Meta Description Empty / Missing

Written by Simon Lesser
Updated over a week ago

No Keywords in Title

Written by Simon Lesser
Updated over a week ago

Multiple Page Titles

Written by Simon Lesser
Updated over a week ago

Title Too Short

Written by Simon Lesser
Updated over a week ago

Title Too Long

Written by Simon Lesser
Updated over a week ago

Duplicate Titles

Written by Simon Lesser
Updated over a week ago

Title Empty / Missing

Written by Simon Lesser
Updated over a week ago

5xx Error

Written by Simon Lesser
Updated over a week ago

4xx Error

Written by Simon Lesser
Updated over a week ago

3xx Redirect

Written by Simon Lesser
Updated over a week ago

302 Redirect

Written by Simon Lesser
Updated over a week ago
Glossary of Terms

Qihoo 360

Written by Ian Lau
Updated over a week ago

Regular Expression

Written by Ian Lau
Updated over a week ago

Mixed Redirect

Written by Ian Lau
Updated over a week ago

Looped Redirect

Written by Ian Lau
Updated over a week ago

Naver

Written by Ian Lau
Updated over a week ago

Soso

Written by Ian Lau
Updated over a week ago

H1 Tag

Written by Ian Lau
Updated over a week ago

Yandex

Written by Ian Lau
Updated over a week ago

Sogou

Written by Ian Lau
Updated over a week ago

Spider

Written by Ian Lau
Updated over a week ago

Meta Description

Written by Ian Lau
Updated over a week ago

PPC

Written by Ian Lau
Updated over a week ago

Meta Keywords Tag

Written by Ian Lau
Updated over a week ago

HTTP Response Header

Written by Ian Lau
Updated over a week ago

Robot

Written by Ian Lau
Updated over a week ago

X-Robots Tag

Written by Ian Lau
Updated over a week ago

Meta Robots Tag

Written by Ian Lau
Updated over a week ago

JavaScript

Written by Ian Lau
Updated over a week ago

Thin Content

Written by Ian Lau
Updated over a week ago

Java (Java Applet)

Written by Ian Lau
Updated over a week ago

Dragonbot

Written by Ian Lau
Updated over a week ago

Keyword Stuffing

Written by Ian Lau
Updated over a week ago

Heading Tags (h1-h6)

Written by Ian Lau
Updated over a week ago

Web Crawler

Written by Ian Lau
Updated over a week ago

Infinite Redirect

Written by Ian Lau
Updated over a week ago

HTTP Status Code

Written by Ian Lau
Updated over a week ago

HTTP 200 (OK) Status

Written by Ian Lau
Updated over a week ago

Crawl Budget

Written by Ian Lau
Updated over a week ago

Dead End Page

Written by Ian Lau
Updated over a week ago

Body Text

Written by Ian Lau
Updated over a week ago

CMS (Content Management System)

Written by Ian Lau
Updated over a week ago

Cloaking

Written by Ian Lau
Updated over a week ago

Conversion

Written by Ian Lau
Updated over a week ago

Baidu

Written by Ian Lau
Updated over a week ago

Black Hat

Written by Ian Lau
Updated over a week ago

Adobe Flash

Written by Ian Lau
Updated over a week ago

AJAX

Written by Ian Lau
Updated over a week ago

500 Internal Service Error

Written by Ian Lau
Updated over a week ago

503 Service Unavailable Error

Written by Ian Lau
Updated over a week ago

302 Temporary Redirect

Written by Ian Lau
Updated over a week ago

De-Indexation

Written by Ian Lau
Updated over a week ago

Canonical Page

Written by Ian Lau
Updated over a week ago

Robots.txt

Written by Ian Lau
Updated over a week ago

Rel="canonical" Tag

Written by Ian Lau
Updated over a week ago

XML Sitemap

Written by Ian Lau
Updated over a week ago

301 Permanent Redirect

Written by Ian Lau
Updated over a week ago

Crawl

Written by Ian Lau
Updated over a week ago

Title Tag

Written by Ian Lau
Updated over a week ago

Static URL

Written by Ian Lau
Updated over a week ago

Duplicate Content

Written by Ian Lau
Updated over a week ago

Dynamic URL

Written by Ian Lau
Updated over a week ago

SERP Snippet

Written by Ian Lau
Updated over a week ago

HTML Head Element

Written by Ian Lau
Updated over a week ago

Webspam

Written by Ian Lau
Updated over a week ago

Click-Through Rate

Written by Ian Lau
Updated over a week ago

Indexation

Written by Ian Lau
Updated over a week ago

SERP

Written by Ian Lau
Updated over a week ago

Index

Written by Ian Lau
Updated over a week ago

Rel=next and Rel=prev Tags

Written by Ian Lau
Updated over a week ago

Link Juice

Written by Ian Lau
Updated over a week ago

URL Parameter

Written by Ian Lau
Updated over a week ago

Nofollow attribute

Written by Ian Lau
Updated over a week ago

Anchor Text

Written by Ian Lau
Updated over a week ago

404 Not Found Error

Written by Ian Lau
Updated over a week ago

SERP Score

Written by Simon Lesser
Updated over a week ago

Keyword Difficulty

Written by Simon Lesser
Updated over a week ago

Dragon Rank

Written by Simon Lesser
Updated over a week ago

Traffic Index

Written by Simon Lesser
Updated over a week ago

Search Volume

Written by Simon Lesser
Updated over a week ago

Preferred Landing Page

Written by Simon Lesser
Updated over a week ago

Organic Visibility

Written by Simon Lesser
Updated over a week ago

Page Authority

Written by Simon Lesser
Updated over a week ago

Domain Authority

Written by Simon Lesser
Updated over a week ago