Web Analytics
site-checker logo
SiteChecker is a free SEO tool that provides recommendation for better search engine visibility.

oer.dev screenshot
oer.dev home screenshot

Oer.dev Onpage Report

 Updated on February 19 2023 16:59 PM

Old data? UPDATE this report !

The score is 57/100

SEO Content

Website Title

Home - Global Digital Library - Global Digital Library

Length : 54

Good! Your title is perfect because it is between 10 and 70 characters long.

Website Description

The Global Digital Library provides free, high-quality educational resources for anyone, anywhere.

Length : 98

Awesome. Your meta description has a length of 70 to 160 characters.

Keywords

Hey! You should consider putting meta keywords on your page.

Og Meta Properties

Great!, OG Properties are used on your page.

Property Content
description The Global Digital Library provides free, high-quality educational resources for anyone, anywhere.
locale en_US
type website
title Home - Global Digital Library
site_name Global Digital Library

Headings

H1 H2 H3 H4 H5 H6
1 236 1 0 2 0
  • [H1] Back to homepage
  • [H2] Early Math
  • [H2] Library Books
  • [H2] Simple games
  • [H2] Girl Power
  • [H2] Science
  • [H2] Our planet
  • [H2] Get started!
  • [H2] Find your reading level
  • [H2] Find your math level
  • [H2] Teacher and parents
  • [H2] Math patterns
  • [H2] Tiwi’s Trunk
  • [H2] Patterns with multiplying even and odd numbers
  • [H2] Three digit subtraction word problems
  • [H2] Unnie and Innie
  • [H2] Level up – Add within 20
  • [H2] Spot and Spike
  • [H2] Telling time on a clock
  • [H2] The Adventures of Mboza and her Rooster
  • [H2] 1-digit division
  • [H2] 1-digit multiplication
  • [H2] 1-digit multiplication
  • [H2] 2-step expressions
  • [H2] Add and subtract within 100
  • [H2] Add and subtract within 1000
  • [H2] Add and subtract within 20
  • [H2] Add and subtract within 20
  • [H2] Add using arrays
  • [H2] Add within 20
  • [H2] Adding 1s or 10s
  • [H2] Adding 1s, 10s, and 100s
  • [H2] Adding up to four 2-digit numbers
  • [H2] Adding up to four 2-digit numbers
  • [H2] Adding with regrouping within 1000
  • [H2] Addition and subtraction intro
  • [H2] Addition and subtraction missing value problems
  • [H2] Addition and subtraction missing value problems
  • [H2] Addition and subtraction within 100
  • [H2] Addition and subtraction within 100 word problems
  • [H2] Addition and subtraction within 100 word problems (multi-step)
  • [H2] Addition and subtraction within 1000
  • [H2] Addition and subtraction within 20
  • [H2] Addition and subtraction word problems
  • [H2] Addition and subtraction word problems
  • [H2] Addition and subtraction: missing values
  • [H2] Addition with 2-digit numbers
  • [H2] Addition within 100
  • [H2] Addition within 20
  • [H2] Addition, subtraction, and estimation
  • [H2] Animals
  • [H2] Area
  • [H2] Area and the distributive property
  • [H2] Area formula intuition
  • [H2] Area introduction
  • [H2] Arithmetic
  • [H2] Arithmetic patterns and problem solving
  • [H2] Associative property of multiplication
  • [H2] Bar graphs
  • [H2] Bar graphs
  • [H2] Bar graphs
  • [H2] Basic Counting
  • [H2] Basic shapes
  • [H2] Collections
  • [H2] Commutative property of multiplication
  • [H2] Comparing 2 and 3 digit numbers
  • [H2] Comparing 2-digit numbers
  • [H2] Comparing 3-digit numbers
  • [H2] Comparing and estimating length
  • [H2] Comparing area and perimeter
  • [H2] Comparing fractions
  • [H2] Comparing fractions of different wholes
  • [H2] Comparing small numbers
  • [H2] Composing shapes
  • [H2] Count unit squares to find area
  • [H2] Counting
  • [H2] Counting money
  • [H2] Counting objects
  • [H2] Counting patterns within 1000
  • [H2] Data
  • [H2] Decompose figures to find area
  • [H2] Distributive property
  • [H2] Divide by 1, 2, or 4
  • [H2] Divide by 3 or 6
  • [H2] Divide by 5 or 10
  • [H2] Divide by 7, 8 or 9
  • [H2] Division in contexts
  • [H2] Division intro
  • [H2] Early Math
  • [H2] Elapsed time
  • [H2] Emergent Readers
  • [H2] Equal parts of shapes
  • [H2] Equal sign
  • [H2] Equivalent fractions
  • [H2] Equivalent fractions and comparing fractions
  • [H2] Estimate lengths
  • [H2] Estimate to add multi-digit numbers
  • [H2] Estimate to subtract multi-digit numbers
  • [H2] Estimation word problems
  • [H2] Even and odd numbers
  • [H2] Fractions and whole numbers
  • [H2] Fractions in contexts
  • [H2] Fractions intro
  • [H2] Fractions of shapes
  • [H2] Fractions on the number line
  • [H2] Geometry
  • [H2] Geometry
  • [H2] Girl Power
  • [H2] Grade 2
  • [H2] Grade 3
  • [H2] Hundreds
  • [H2] Image Choice
  • [H2] Image Sequencing
  • [H2] Intro to division
  • [H2] Intro to multiplication
  • [H2] Intro to place value
  • [H2] Learning Packages
  • [H2] Length and size
  • [H2] Length word problems
  • [H2] Length word problems
  • [H2] Letters and symbols in multiplication
  • [H2] Level 1
  • [H2] Level 2
  • [H2] Level 3
  • [H2] Level 4
  • [H2] Level 5
  • [H2] Library Books
  • [H2] Line plots
  • [H2] Line plots
  • [H2] Line plots with fractions
  • [H2] Making 10
  • [H2] Making small numbers
  • [H2] Mass
  • [H2] Measure lengths
  • [H2] Measurement
  • [H2] Measurement
  • [H2] Measurement and data
  • [H2] Measuring length
  • [H2] Missing number within 20
  • [H2] Money
  • [H2] Money and time
  • [H2] More with multiplication and division
  • [H2] Multiplication and division word problems
  • [H2] Multiplication as equal groups
  • [H2] Multiplication as groups of objects
  • [H2] Multiplication in contexts
  • [H2] Multiplication on the number line
  • [H2] Multiplication with arrays
  • [H2] Multiply by 0 or 1
  • [H2] Multiply by 2 or 4
  • [H2] Multiply by 3 or 6
  • [H2] Multiply by 5 or 10
  • [H2] Multiply by 7, 8, or 9
  • [H2] Multiply to find area
  • [H2] Multiplying by tens
  • [H2] Numbers 0 – 120
  • [H2] Numbers in standard, word, and expanded form
  • [H2] One and two-step word problems
  • [H2] Other Math Games
  • [H2] Our planet
  • [H2] Partition rectangles
  • [H2] Patterns in arithmetic
  • [H2] Perimeter
  • [H2] Perimeter
  • [H2] Perimeter of polygons with missing side lengths
  • [H2] Perimeter word problems
  • [H2] Picture graphs
  • [H2] Picture graphs
  • [H2] Picture graphs
  • [H2] Place value
  • [H2] Place value (tens and hundreds)
  • [H2] Properties of shapes
  • [H2] Put together, take apart
  • [H2] Quadrilaterals
  • [H2] Quadrilaterals
  • [H2] Read Aloud
  • [H2] Read and play
  • [H2] Regroup whole numbers
  • [H2] Relate addition and subtraction
  • [H2] Relating multiplication and division
  • [H2] Repeated addition
  • [H2] Represent and interpret data
  • [H2] Rounding to nearest 10 or 100
  • [H2] Science
  • [H2] Shapes
  • [H2] Simple games
  • [H2] Skip counting
  • [H2] Skip counting by 100s
  • [H2] Strategies for adding 2- and 3-digit numbers
  • [H2] Strategies for adding and subtracting within 100
  • [H2] Strategies for adding two and three-digit numbers
  • [H2] Strategies for adding within 100
  • [H2] Strategies for adding within 1000
  • [H2] Strategies for subtracting two and three-digit numbers
  • [H2] Strategies for subtracting within 1000
  • [H2] Subtract within 20
  • [H2] Subtracting 1s and 10s
  • [H2] Subtracting 1s, 10s, and 100s
  • [H2] Subtracting with regrouping within 1000
  • [H2] Subtraction with 2-digit numbers
  • [H2] Subtraction within 100
  • [H2] Subtraction within 20
  • [H2] Teacher and Parent
  • [H2] Teens as sums with 10
  • [H2] Telling time
  • [H2] Tens
  • [H2] Time
  • [H2] Time
  • [H2] Time
  • [H2] Time on number line
  • [H2] Understand fractions
  • [H2] Units of length
  • [H2] Visually adding within 100
  • [H2] Visually adding within 1000
  • [H2] Visually subtract within 100
  • [H2] Volume
  • [H2] What fractions mean
  • [H2] What is addition? What is subtraction?
  • [H2] Word problems with more and fewer (within 100)
  • [H2] Word problems with more and fewer (within 20)
  • [H2] Word problems within 100
  • [H2] Word problems within 20
  • [H2] Select language
  • [H2] Actions
  • [H2] Selected media actions
  • [H2] {{ data.message }}
  • [H2] Drop files to upload
  • [H2] Uploading
  • [H2] Attachment Preview
  • [H2] Details
  • [H2] Attachment Details Saved.
  • [H2] Attachment Display Settings
  • [H2] Gallery Settings
  • [H2] Playlist Settings
  • [H2] Display Settings
  • [H2] Advanced Options
  • [H2] Preview
  • [H3] Selecting your language changes the language and the content Continue with English
  • [H5] Resources
  • [H5] Topics

Images

We found 242 images on this web page.

Needs attention! Add alternative text to your images so that search engines can better grasp what they're about. There are 16 alt attributes that are either empty or missing.

Text/HTML Ratio

Ratio : 16%

Good!, The text to HTML code ratio on this page is greater than 15 but less than 25.

Flash

Good!, you are not using Flash content.

Iframe

Bad!, We found Iframe(s) in your page. The content within that Iframe cannot be index by Search Engines.

SEO URL Rewrite

Excellent! Your url seems SEO friendly.

URL Underscores

Good! There are no underscores in your URLs.

In-page links

We found a total of 107 links including 6 link(s) to files

Anchor Type Juice
Learn more Internal Passing Juice
Learn more External Passing Juice
Content API Internal Passing Juice
Privacy policy External Passing Juice
Afrikaans External Passing Juice
Amharic External Passing Juice
Arabic External Passing Juice
Awadhi External Passing Juice
Azerbaijani External Passing Juice
Balinese External Passing Juice
Southern Balochi External Passing Juice
Central Bikol External Passing Juice
Bhojpuri External Passing Juice
বাঙালি External Passing Juice
Brahui External Passing Juice
မြန်မာ (Burmese) External Passing Juice
Bukusu External Passing Juice
Kaqchikel External Passing Juice
Chakma External Passing Juice
Cebuano External Passing Juice
Cham External Passing Juice
Danish (Beta) External Passing Juice
German External Passing Juice
Dotyali External Passing Juice
English External Passing Juice
Enga External Passing Juice
Spanish (Spain) External Passing Juice
Spanish (Nicaragua) External Passing Juice
Farsi (Afghanistan) External Passing Juice
Fulah External Passing Juice
French External Passing Juice
Goan Konkani External Passing Juice
Garo External Passing Juice
Gusii External Passing Juice
Hausa (Nigeria) External Passing Juice
हिंदी External Passing Juice
Mong External Passing Juice
Hiri Motu External Passing Juice
Croatian External Passing Juice
bahasa Indonesia External Passing Juice
Italian External Passing Juice
Japanese External Passing Juice
ქართული (Georgian) External Passing Juice
Kalanguya External Passing Juice
Kamba (Kenya) External Passing Juice
ភាសាខ្មែរ External Passing Juice
S'gaw Karen External Passing Juice
Lingala External Passing Juice
Lao (Lao) External Passing Juice
Malawi Lomwe External Passing Juice
Wanga External Passing Juice
Malawian Sign Language External Passing Juice
Maithili External Passing Juice
मराठी External Passing Juice
Mamara Senoufo External Passing Juice
नेपाली (Nepal) External Passing Juice
Newari External Passing Juice
Norwegian External Passing Juice
isiNdebele seSewula External Passing Juice
Pedi External Passing Juice
Nepali Sign Language External Passing Juice
Nyanja External Passing Juice
Chinyanja External Passing Juice
Oromo External Passing Juice
Southern Pashto External Passing Juice
Northern Pashto External Passing Juice
Pashto External Passing Juice
Portuguese (Brazil) External Passing Juice
Marma External Passing Juice
Russian External Passing Juice
Kinyarwanda External Passing Juice
Sign language Rwanda External Passing Juice
Sadri External Passing Juice
Sindhi (Pakistan) External Passing Juice
Cambodian Sign Language External Passing Juice
Sidamo External Passing Juice
Shona External Passing Juice
Soninke External Passing Juice
Serer External Passing Juice
siSwati External Passing Juice
Sesotho External Passing Juice
Kiswahili (Kenya) External Passing Juice
Tamang External Passing Juice
Timor External Passing Juice
Dangaura Tharu External Passing Juice
Tigrinya External Passing Juice
Setswana External Passing Juice
Tok Pisin External Passing Juice
Tripura (Kokborok) External Passing Juice
Tumbuka External Passing Juice
Ukrainian (beta) External Passing Juice
Urdu External Passing Juice
Uzbek External Passing Juice
Tshivenḓa External Passing Juice
Vietnamese External Passing Juice
Wolaytta External Passing Juice
Wolof External Passing Juice
Kenyan Sign Language External Passing Juice
Yao External Passing Juice
Chinese (China) External Passing Juice
isiZulu External Passing Juice
{{ data.authorName }} Internal Passing Juice
{{ data.uploadedToTitle }} Internal Passing Juice
{{data.originalImageName}} Internal Passing Juice
View attachment page Internal Passing Juice
Edit more details Internal Passing Juice
Edit Image Internal Passing Juice
Related: omaticinc.ga, openlyvoluntary.com and piratesoftampabay.com

SEO Keywords

Keywords Cloud

subtraction multiplication numbers problems fractions adding language word time addition

Keywords Consistency

Keyword Content Website Title Keywords Website Description Headings
numbers 20
subtraction 18
addition 18
word 17
problems 17

Usability

Url

Domain : oer.dev

Length : 7

Favicon

Nice, you are using Favicon for your website.

Printability

Ooops. Print-Friendly CSS recommended to your website.

Language

Good. For declaring en as your website's language.

Dublin Core

Oops. Dublin Core isn't being used on this page.

Document

Doctype

HTML 5

Encoding

Good!. For specifying UTF-8 as your page charset.

W3C Validity

Errors : 0

Warnings : 0

Email Privacy

Hey! You should convert your email addresses into image. This is to prevent the email harvesting software to catch your email address.

Deprecated HTML

Great! No obsolete or deprecated HTML tags on your website. This is recommended to improve visitor's user experience.

Speed Tips

Good, Your page are not using nested tables.
Not Good., We found inline styles in your website. Try to avoid this as much as possible.
Too bad, There are too many CSS files on your page. (more than 4).
Needs attention!, We detected too much JS files on your page. (more than 6). Our Advice: try to minify or consolidate these JS files instead. This affects the speed of your page.
Perfect, Your website makes use of Gzip compression.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap

Perfectly Awesome!, We found XML Sitemap on your website. This helps search engine to index most if not all of your pages.

https://digitallibrary.io/sitemap.xml
https://digitallibrary.io/news-sitemap.xml
https://digitallibrary.io/sitemap_index.xml

Robots.txt

http://oer.dev/robots.txt

Awesome, A robots.txt file exists on your website.

Analytics

Missing

Ooops. This website does not appear to have an analytics tool loaded. Web analytics allows you to track the behavior of your website's visitors. You should install at least one analytics program.

PageSpeed Insights


Device
Categories

More: pixeltracker.co, remont-v-novostrojke-pod-kljuch.ru, safeyouth.org, sapphiretop.cf, sciencegarden.de, serena-garitta.it