SEO report of openlearninglab.org
OpenLearningLab - Home
www.openlearninglab.org/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Make the site mobile device friendly.
- Select one version of your site as main and make a redirect from other versions to that one.
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.openlearninglab.org/
Character length : 24
Title
OpenLearningLab - Home
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
The robots.txt file is missing!
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
OpenLearningLab - Home
Character length : 22
Good! The title’s length is between 10 and 70 characters.
Character length : 22
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 22%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 1 | 0 | 2 | 0 | 0 |
Heading structure in the source code
- <H1> Welcome to the Leiden University Open Learning Lab.
- <H4> Leiden University
- <H4> OpenCourseWare (OCW)
- <H2> OLL News
Word cloud
- university12
- leiden8
- ocw5
- opencourseware4
- support4
- open4
- system4
- project3
- projects3
- educational3
- courses3
- course3
- suitable3
- goal2
- different2
- materials2
- delft2
- http2
- order2
- webpage2
- appliance2
- leidenuniv2
- workflow2
- available2
- hr=hr2
- teaching2
- learning2
- blog2
- gives2
- home2
- been2
- courseware2
- lab2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| university | |||
| leiden | |||
| ocw | |||
| opencourseware | |||
| support | |||
| open |
Two Word cloud
- leiden university3
- open learning2
- university leiden2
Three Word cloud
- leiden university open2
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 1 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
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 1009px wide display!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without 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 not fast enough: 0.66 seconds have passed until the page started to load.
Loading time
422 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
10
Number of source domains
3
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- http://www.openlearninglab.org/WebResource.axd?d=DeXX386SlfklgTZCD0Cw74...
- http://www.openlearninglab.org/cmsscripts/skmmenu.js
- http://www.openlearninglab.org/ScriptResource.axd?d=80TyEYgrjTckEng-axm...
- http://www.openlearninglab.org/ScriptResource.axd?d=elx6PjezLYzBR1e0d2A...
- http://static.ak.connect.facebook.com/.. /en_US
- http://www.openlearninglab.org/.. /GetCSS.aspx?stylesheetname=OLLtest
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.openlearninglab.org/WebResource.axd?d=DeXX386SlfklgTZCD0Cw74_WRudQGADFBt_2Igr7Pt7gNGQQRO021e3TtoaucQCZIGE5fIH0ArY_sPDteZzohj_DUTY1&t=635635264552057882
- http://www.openlearninglab.org/cmsscripts/skmmenu.js
- http://www.openlearninglab.org/ScriptResource.axd?d=80TyEYgrjTckEng-axmB4fYzd6Md2JXQS7rCrSzUuCBOiEnftKGVUmEUfWcBBNjNoh123gjNZq5MOiVPFQ_rcczJaE3zdXDMlEnDIiTuhdcYK9tRmB4r3NnxlQWZC1Mw4uJ5qV3HoSvOYXrEX0xMuNqIC-A1&t=ffffffffa816f37b
- http://www.openlearninglab.org/ScriptResource.axd?d=elx6PjezLYzBR1e0d2AEspLJDC-D6qQYFOyZPhYS4W65aC8W7RBDO6qDjiA-wr0z-1Ax2WtJG6hN4cKbLt96moy96aqzXLaWFYY708pV1J2ryWsXCQcWDfjzVz3VFio68V9N25mMNeRoERCi1Gzb58bqmXWyxKavEV_vSolKpEGWSbaZ0&t=ffffffffa816f37b
File size of all javascript files combined
163.73KB
Javascript minifying
You can save 9.5KB (29% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
62.77KB
CSS minifying
You can save 2.2KB (20% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.openlearninglab.org/.. /GetCSS.aspx?stylesheetname=OLLtest you can save 2.2KB (20% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
12.63KB
Gzip compression
Error! By using Gzip you can save 73.4KB (75% compression) on your site.
- By compressing http://www.openlearninglab.org/ScriptResource.axd?d=80TyEYgrjTckEng-axm... you can save 73.4KB (75% compression rate)
- By compressing http://www.openlearninglab.org/ScriptResource.axd?d=elx6PjezLYzBR1e0d2A... you can save 23.9KB (75% compression rate)
- By compressing http://www.openlearninglab.org/WebResource.axd?d=DeXX386SlfklgTZCD0Cw74... you can save 16.4KB (80% compression rate)
- By compressing http://www.openlearninglab.org/cmsscripts/skmmenu.js you can save 10.3KB (76% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
5
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.openlearninglab.org/cmsscripts/skmmenu.js | Expiry time is not specified |
Speed test – Images
File size of all images combined
67.46KB
Image optimisation
You can save 50.6KB (78% compression) by optimising the images below:
- By lossless compressing the http://www.openlearninglab.org/Media/ollHeader.jpg you can save 50.6KB (78%) data.
Links
We found a total of 9 different links.
Internal links: 4
External links: 5
Internal links: 4
External links: 5
External links:
| Link text (anchor) | Link strength |
|---|---|
| site university leiden | |
| contact | |
| http://www.leidenuniv.nl | |
| http://ocw.leidenuniv.nl/ | |
| http://creativecommons.org/licenses/by-nc-sa/3.0 |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| disclaimer | |
| about | |
| contact | |
| faq |
Website security
IP
85.236.55.68
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.
Sites on same ip
Icons
Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H2 : OLL News, ( 184px from top )
- H1 : Welcome to the Leiden University Open Learning Lab., ( 196.921875px from top )
- H4 : Leiden University, ( 518.859375px from top )
- H4 : OpenCourseWare (OCW), ( 648.890625px from top )
Typos
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