SEO report of salelder.com
Sal Elder.com | Tedious, useless nonsense about math & programming
www.salelder.com/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Avoid using deprecated HTML tags.
SEO
URL
Domain : www.salelder.com/
Character length : 17
Title
Sal Elder.com | Tedious, useless nonsense about math & programming
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://salelder.com/robots.txt
https://salelder.com/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
|
Social
Social Engagement
No info found.
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
Sal Elder.com | Tedious, useless nonsense about math & programming
Character length : 70
Good! The title’s length is between 10 and 70 characters.
Character length : 70
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 36%
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 |
|---|---|---|---|---|---|
| 4 | 3 | 3 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Sal Elder.com
- <H2> Tedious, useless nonsense about math & programming
- <H3> Menu
- <H1> Interactive math textbooks
- <H1> Delivering bad news in O(N) time
- <H1> Secure communication through CIA-infected devices
- <H2> The problem
- <H2> My solution
- <H3> Post navigation
- <H3> Looking for something?
Word cloud
- phone8
- secure6
- messages5
- patient5
- devices5
- device5
- hepatitis5
- math5
- textbook4
- hack4
- sal4
- leave4
- only4
- own4
- doctor4
- news4
- interactive4
- how3
- entry3
- question3
- private3
- plaintext3
- because3
- after3
- cia3
- know3
- smartphone3
- operating3
- see3
- keys3
- cell3
- like3
- key3
- can’t3
- algebra3
- all3
- get3
- time3
- paper3
- reply3
- security3
- timesteps3
- posted3
- it’s3
- patient’s2
- broken2
- gradually2
- bad2
- term2
- demo2
- suppose2
- simply2
- coin2
- clear2
- interesting2
- tails2
- systems2
- public2
- input2
- new2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| phone | |||
| secure | |||
| messages | |||
| patient | |||
| devices | |||
| device |
Two Word cloud
- would have3
- have hepatitis3
- you can3
- this entry3
- entry was3
- you’d have2
Three Word cloud
- this entry was3
- but you can2
- are not secure2
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 3 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.
Readability
Flesch–Kincaid Grade Level
6.60
Flesch Reading Ease
67.80
Coleman Liau Index
10.90
Automated Readability Index (ARI)
5.50
Dale–Chall Readability
4.80
SMOG Index
10.10
Spache Readibility
5.00
Number of letters
5164
Number of words
1138
Number of sentences
103
Average words per sentences
11
Number of syllables
1720
Syllables in words
1746
Average syllables in words
1.51
Number of words in first three syllables
149
Percentage of word / syllables
13.09
Words not in Dale-Chall easy-word list
320
Words not in Spache easy-word list
256
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
34
Number of source domains
5
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.salelder.com/wp-includes/js/jquery/jquery.js?ver=1.12.4
- http://www.salelder.com/.. /jquery-migrate.min.js?ver=1.4.1
- http://www.salelder.com/.. /wp-hide-post-public.js?ver=2.0.10
- http://www.salelder.com/.. /style.css?ver=4.9.3
- http://www.salelder.com/.. /style.css?ver=1.2
- http://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic...
- http://www.salelder.com/.. /style.css?ver=4.9.3
- http://www.salelder.com/.. /default.min.css?ver=1.9
- http://www.salelder.com/.. /shCore.css?ver=3.0
- http://www.salelder.com/.. /shCoreDefault.css?ver=3.0
- http://www.salelder.com/.. /shThemeDefault.css?ver=3.0
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.salelder.com/wp-content/themes/twentytwelve/js/navigation.js?ver=1.0
File size of all javascript files combined
130.30KB
Javascript minifying
You can save 1KB (63% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://www.salelder.com/wp-content/plugins/contact-form-plugin/css/style.css?ver=3.8.21
- http://www.salelder.com/wp-content/plugins/table-generator/css/style.css?ver=1.2
- http://www.salelder.com/wp-content/themes/twentytwelve/style.css?ver=3.8.21
- http://www.salelder.com/wp-content/plugins/wp-syntaxhighlighter/syntaxhighlighter3/styles/shCore.css?ver=3.0
- http://www.salelder.com/wp-content/plugins/wp-syntaxhighlighter/syntaxhighlighter3/styles/shCoreDefault.css?ver=3.0
- http://www.salelder.com/wp-content/plugins/wp-syntaxhighlighter/syntaxhighlighter3/styles/shThemeDefault.css?ver=3.0
File size of all css files combined
74.15KB
CSS minifying
You can save 10.6KB (19% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.salelder.com/.. /style.css?ver=4.9.3 you can save 7.5KB (22% compression rate)
- By minifying http://www.salelder.com/.. /shCoreDefault.css?ver=3.0 you can save 1.1KB (13% compression rate)
- By minifying http://www.salelder.com/.. /shCore.css?ver=3.0 you can save 888B (15% compression rate)
- By minifying http://www.salelder.com/.. /shThemeDefault.css?ver=3.0 you can save 594B (21% compression rate)
- By minifying http://www.salelder.com/.. /style.css?ver=4.9.3 you can save 476B (12% compression rate)
- By minifying http://www.salelder.com/.. /style.css?ver=1.2 you can save 184B (17% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
22.84KB
Gzip compression
Error! By using Gzip you can save 61.9KB (65% compression) on your site.
- By compressing http://www.salelder.com/wp-includes/js/jquery/jquery.js?ver=1.12.4 you can save 61.9KB (65% compression rate)
- By compressing http://www.salelder.com/.. /style.css?ver=4.9.3 you can save 27KB (78% compression rate)
- By compressing http://www.salelder.com/.. /wp-emoji-release.min.js?ver=4.9.3 you can save 7.3KB (64% compression rate)
- By compressing http://www.salelder.com/.. /shCoreDefault.css?ver=3.0 you can save 7KB (82% compression rate)
- By compressing http://www.salelder.com/.. /jquery-migrate.min.js?ver=1.4.1 you can save 5.9KB (60% compression rate)
- By compressing http://www.salelder.com/.. /shCore.css?ver=3.0 you can save 4.8KB (78% compression rate)
- By compressing http://www.salelder.com/.. /default.min.css?ver=1.9 you can save 3.1KB (53% compression rate)
- By compressing http://www.salelder.com/.. /style.css?ver=4.9.3 you can save 2.8KB (71% compression rate)
- By compressing http://www.salelder.com/.. /shThemeDefault.css?ver=3.0 you can save 2.2KB (76% compression rate)
- By compressing http://www.salelder.com/.. /style.css?ver=1.2 you can save 708B (64% compression rate)
- By compressing http://www.salelder.com/wp-includes/js/wp-embed.min.js?ver=4.9.3 you can save 647B (47% compression rate)
- By compressing http://www.salelder.com/.. /navigation.js?ver=1.0 you can save 467B (54% compression rate)
- By compressing http://www.salelder.com/.. /wp-hide-post-public.js?ver=2.0.10 you can save 359B (43% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
12
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.salelder.com/.. /autocorrelation.png | Expiry time is not specified |
| http://www.salelder.com/wp-content/uploads/2018/02/extrapolation.png | Expiry time is not specified |
| http://www.salelder.com/wp-content/uploads/2018/02/polls-1.png | Expiry time is not specified |
| http://www.salelder.com/wp-content/uploads/2018/02/steps.png | Expiry time is not specified |
| http://www.salelder.com/wp-content/uploads/2018/03/area-1.png | Expiry time is not specified |
| http://www.salelder.com/.. /binary_example.png | Expiry time is not specified |
| http://www.salelder.com/.. /multicolored_example.png | Expiry time is not specified |
Speed test – Images
File size of all images combined
108.66KB
Image optimisation
You can save 3.9KB (21% compression) by optimising the images below:
- By lossless compressing the http://www.salelder.com/wp-content/uploads/2018/02/extrapolation.png you can save 3.9KB (21%) data.
Links
We found a total of 28 different links.
Internal links: 20
External links: 8
Internal links: 20
External links: 8
External links:
| Link text (anchor) | Link strength |
|---|---|
| GitHub | |
| Ron Larson | |
| Immersive Math | |
| Creative Commons license | |
| Source | |
| documents | |
| Samsung, Google, and Apple devices | |
| Proudly powered by WordPress |
Internal links:
Website security
IP
192.195.77.138
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.
Typos
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