SEO report of sciencesourcebook.com
Redirected to www.csun.edu/science/
The Sourcebook for Teaching Science
www.csun.edu/science/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.csun.edu/science/
Character length : 21
Title
The Sourcebook for Teaching Science
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol
Error! The website does not use the OG (Open Graph) protocol.
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.
https://csun.edu/robots.txt
https://csun.edu/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
|
| googlebot |
|
| Googlebot-Image |
|
| Yahoo-MMCrawler |
|
| psbot |
|
Social
Social Engagement
No info found.
Content
Doctype
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
The Sourcebook for Teaching Science
Character length : 35
Good! The title’s length is between 10 and 70 characters.
Character length : 35
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 28%
Good! The text / code ratio is between 25 and 70 percent.
Good! The text / code ratio is between 25 and 70 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 3 | 6 | 0 | 0 | 0 |
Heading structure in the source code
- <H2> Science Teaching Series
- <H2> Internet Resources
- <H3> I. Developing Scientific Literacy
- <H3> II. Developing Scientific Reasoning
- <H3> III. Developing Scientific Understanding
- <H3> IV. Developing Scientific Problem Solving
- <H3> V. Developing Scientific Research Skills
- <H3> VI. Resources for Teaching Science
- <H1> The Sourcebook for Teaching Science - Home
- <H2> ISBN 978-07879-72981 [or 07879-72983]
Word cloud
- science30
- scientific11
- teaching10
- resources9
- activities9
- developing8
- sourcebook7
- teachers5
- learning5
- herr4
- skills4
- hands-on4
- chemistry4
- physics4
- norman3
- home3
- strategies3
- reasoning3
- research2
- data2
- structure2
- principles2
- problems2
- curriculum2
- visualizing2
- games2
- analogies2
- analysis2
- book2
- standards2
- state2
- website2
- applications2
- real-life2
- lessons2
- student2
- all2
- instruction2
- designed2
- understanding2
- information2
- biology2
- reference2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| science | |||
| scientific | |||
| teaching | |||
| resources | |||
| activities | |||
| developing |
Two Word cloud
- developing scientific4
- for teaching4
- teaching science3
- learning science3
- resources for2
- activities with2
Three Word cloud
- for teaching science2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 5 images on this web page.
Good! Every image has an alternative text attributes set on this website.
Good! Every image has an alternative text attributes set on this website.
Technologies
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible only in one version. The version without www is redirected to the version with www.
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.
Speed test
Server response time
The server response time is fast enough.
Table layout
Good! No nested tables found.
Number of HTTP resources
13
Number of source domains
5
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking css files
List of render blocking css files
- http://www.csun.edu/science/CSS/science1.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
74.09KB
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
- http://www.csun.edu/CSS/science1.css
File size of all css files combined
3.96KB
CSS minifying
You can save 518B (14% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.csun.edu/science/CSS/science1.css you can save 518B (14% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
17.14KB
Gzip compression
Error! By using Gzip you can save 11.4KB (67% compression) on your site.
- By compressing http://www.csun.edu/science you can save 11.4KB (67% compression rate)
- By compressing http://www.csun.edu/science/CSS/science1.css you can save 2.6KB (70% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
8
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.csun.edu/science/CSS/science1.css | Expiry time is not specified |
| http://www.csun.edu/science/books/general/bookstores.jpg | Expiry time is not specified |
| http://www.csun.edu/science/books/graphics/jpg/herr.jpg | Expiry time is not specified |
| http://www.csun.edu/science/books/graphics/jpg/three-books.jpg | Expiry time is not specified |
| http://www.csun.edu/.. /sourcebook-200.gif | Expiry time is not specified |
| http://www.csun.edu/.. /sourcebook1.jpg | Expiry time is not specified |
| http://www.google-analytics.com/ga.js | 2 hours |
Speed test – Images
File size of all images combined
224.50KB
Image optimisation
You can save 90.1KB (41% compression) by optimising the images below:
- By lossless compressing the http://www.csun.edu/.. /sourcebook1.jpg you can save 40.5KB (51%) data.
- By lossless compressing the http://www.csun.edu/science/books/graphics/jpg/three-books.jpg you can save 22.9KB (34%) data.
- By lossless compressing the http://www.csun.edu/.. /sourcebook-200.gif you can save 9.3KB (22%) data.
- By lossless compressing the http://www.csun.edu/science/books/general/bookstores.jpg you can save 9KB (46%) data.
- By lossless compressing the http://www.csun.edu/science/books/graphics/jpg/herr.jpg you can save 8.4KB (68%) data.
Links
We found a total of 50 different links.
Internal links: 47
External links: 3
Internal links: 47
External links: 3
External links:
| Link text (anchor) | Link strength |
|---|---|
| Books by Norm Herr | |
| http://udkark.com/3553 | |
| http://www.statcounter.com |
Internal links:
Website security
IP
130.166.238.195
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.
Icons
Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Typos
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