SEO report of ctflearn.com
CTFLearn | CTF Practice | Problems
ctflearn.com/
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 : ctflearn.com/
Character length : 13
Title
CTFLearn | CTF Practice | Problems
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://ctflearn.com/robots.txt
https://ctflearn.com/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
|
Social
Social Engagement
No info found.
Content
Doctype
Missing doctype element
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
CTFLearn | CTF Practice | Problems
Character length : 34
Good! The title’s length is between 10 and 70 characters.
Character length : 34
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 6%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 0 | 1 | 0 | 2 | 0 |
Heading structure in the source code
- <H5> CTFLearn is a new capture the flag practice platform for beginner and experts.
- <H5> Anyone can:
- <H3> Sign Up
Word cloud
- problems5
- sign2
- post2
- ctflearn2
- email2
- password2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| problems | |||
| sign | |||
| post | |||
| ctflearn | |||
| password |
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 0 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
This website is optimal for mobile devices!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible in only one version. The www version is redirected to the version 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 fast enough.
Loading time
699 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
15
Number of source domains
6
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
- https://ctflearn.com/js/jquery.js
- https://ctflearn.com/js/materialize.min.js
- https://ctflearn.com/js/init.js
- https://ctflearn.com/js/nouislider.js
- https://ctflearn.com/css/materialize.css
- https://ctflearn.com/css/main.css
- https://ctflearn.com/css/nouislider.css
- https://cdn.jsdelivr.net/font-hack/2.020/css/hack-extended.min.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- https://ctflearn.com/js/jquery.js
- https://ctflearn.com/js/materialize.min.js
- https://ctflearn.com/js/init.js
- https://ctflearn.com/js/nouislider.js
File size of all javascript files combined
618.28KB
Javascript minifying
You can save 55.9KB (53% 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.
- https://ctflearn.com/css/materialize.css
- https://ctflearn.com/css/nouislider.css
File size of all css files combined
404.17KB
CSS minifying
You can save 460B (31% compression) on the analysed URL by minifying the CSS files.
- By minifying https://ctflearn.com/css/nouislider.css you can save 460B (31% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
4.50KB
Gzip compression
Your site uses compression.
Speed test – Browser cache
Number of static resources (image, JS, CSS)
10
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| https://ctflearn.com/css/main.css | Expiry time is not specified |
| https://ctflearn.com/css/materialize.css | Expiry time is not specified |
| https://ctflearn.com/css/nouislider.css | Expiry time is not specified |
| https://ctflearn.com/js/init.js | Expiry time is not specified |
| https://ctflearn.com/js/jquery.js | Expiry time is not specified |
| https://ctflearn.com/js/materialize.min.js | Expiry time is not specified |
| https://ctflearn.com/js/nouislider.js | Expiry time is not specified |
| https://www.google-analytics.com/analytics.js | 2 hours |
Speed test – Images
File size of all images combined
558.00B
Image optimisation
All images are optimized.
Traffic
Alexa
1410464
Links
We found a total of 8 different links.
Internal links: 8
Internal links: 8
External links:
| Link text (anchor) | Link strength |
|---|
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| CTFLearn | |
| Register | |
| Login | |
| Activity | |
| Scoreboard | |
| Create Problem | |
| Unsolved Problems | |
| All Problems |
Website security
IP
104.31.66.79
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
- H5 : CTFLearn is a new capture the flag practice platform for beginner and experts., ( 0px from top )
- H5 : Anyone can: , ( 0px from top )
- H3 : Sign Up, ( 90.4375px from top )
Typos
tflearn.com, cxtflearn.com, xtflearn.com, cstflearn.com, stflearn.com, ctflearn.com, tflearn.com, cdtflearn.com, dtflearn.com, cftflearn.com, ftflearn.com, cvtflearn.com, vtflearn.com, c tflearn.com, tflearn.com, cflearn.com, ctrflearn.com, crflearn.com, ctfflearn.com, cfflearn.com, ctgflearn.com, cgflearn.com, cthflearn.com, chflearn.com, ctyflearn.com, cyflearn.com, ct5flearn.com, c5flearn.com, ct6flearn.com, c6flearn.com, ctlearn.com, ctfclearn.com, ctclearn.com, ctfdlearn.com, ctdlearn.com, ctfelearn.com, ctelearn.com, ctfrlearn.com, ctrlearn.com, ctftlearn.com, cttlearn.com, ctfglearn.com, ctglearn.com, ctfblearn.com, ctblearn.com, ctfvlearn.com, ctvlearn.com, ctfearn.com, ctflpearn.com, ctfpearn.com, ctfloearn.com, ctfoearn.com, ctflearn.com, ctfearn.com, ctfliearn.com, ctfiearn.com, ctflkearn.com, ctfkearn.com, ctflmearn.com, ctfmearn.com, ctfl.earn.com, ctf.earn.com, ctflarn.com, ctflewarn.com, ctflwarn.com, ctflesarn.com, ctflsarn.com, ctflearn.com, ctflarn.com, ctfledarn.com, ctfldarn.com, ctflefarn.com, ctflfarn.com, ctflerarn.com, ctflrarn.com, ctfle3arn.com, ctfl3arn.com, ctfle4arn.com, ctfl4arn.com, ctflern.com, ctfleaqrn.com, ctfleqrn.com, ctfleawrn.com, ctflewrn.com, ctfleazrn.com, ctflezrn.com, ctflearn.com, ctflern.com, ctfleaxrn.com, ctflexrn.com, ctfleasrn.com, ctflesrn.com, ctflean.com, ctflearen.com, ctfleaen.com, ctfleardn.com, ctfleadn.com, ctflearfn.com, ctfleafn.com, ctfleargn.com, ctfleagn.com, ctflear4,n.com, ctflea4,n.com, ctfleartn.com, ctfleatn.com, ctflear5n.com, ctflea5n.com, ctflear.com, ctflearnb.com, ctflearb.com, ctflearng.com, ctflearg.com, ctflearnh.com, ctflearh.com, ctflearnj.com, ctflearj.com, ctflearnm.com, ctflearm.com, ctflearn .com, ctflear .com
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