Nibbler SEO audit for www.shellscript.sh
Summary
Overall7.4
The overall score for this website.
Accessibility8.3
How accessible the website is to mobile and disabled users.
The following tests contribute to this score:
Experience7.4
How satisfying the website is likely to be for users.
The following tests contribute to this score:
Marketing4.7
How well marketed, and popular the website is.
The following tests contribute to this score:
Technology8.6
How well designed and built the website is.
The following tests contribute to this score:
Nibbler tested a sample of 5 pages from this website at 05:02 on 19 Apr 2024 (BST).
Top priorities for website improvement
- Consider a leading website analytics solution, such as WebTrends or Google Analytics. (read more)
- Sign up for a Twitter account and make sure it is linked to from your site. (read more)
- Ensure that headings are defined in a semantically correct way, i.e. always start with a H1 tag. This is used to summarise the page content. Further tags (H2, H3, H4 etc) are meant to summarise and partition sections within the content. (read more)
Twitter0.0
This website does not appear to be associated with a Twitter account.
- This website did not contain a link to Twitter.
- Sign up for a Twitter account and make sure it is linked to from your site.
Analytics0.0
0% of pages use analytics
No Analytics Solution
- None of this website is using any recognised analytics software. It is still possible to gather a great deal of information from webserver logs, however complete visitor analysis requires client-side Javascript or an image not found here.
- Consider a leading website analytics solution, such as WebTrends or Google Analytics.
- Note that this test can only detect recognised analytics solutions. If an analytics solution is new, obscure or used in a non-standard way (e.g. it has been customised) it may not be detected.
Freshness3.0
Last updated June 6, 2023
- It looks like this website was last updated on Tuesday, 6 June 2023. Visitors perceive up-to-date websites as more credible. Websites that are updated regularly are also spidered by search engines more often.
- Consider updating this website regularly with new content.
- To find this information we used the last modified dates reported by this website's server in addition to looking for dates written on each page.
Headings5.0
- All pages were found to use defined headings. This is excellent as it allows visitors and search engines to summarise the content of webpages quickly. Correctly defined headings aid accessibility and are particularly important for search engine optimisation.
- Some pages did not define headings correctly. The H1 tag should be used for the most top-level heading, with H2 being used for sub-headings and H3 for further sub-headings and so-on. Not conforming to this convention may confuse visitors.
- Ensure that headings are defined in a semantically correct way, i.e. always start with a H1 tag. This is used to summarise the page content. Further tags (H2, H3, H4 etc) are meant to summarise and partition sections within the content.
Page headings detail
| URL | Heading | Level |
| www.shellscript.sh/ | The Shell Scripting Tutorial | H2 |
| www.shellscript.sh/ | Purpose Of This Tutorial | H2 |
| www.shellscript.sh/ | Getting The Most Recent Version Of This Tutorial | H2 |
| www.shellscript.sh/ | A Brief History of sh | H2 |
| www.shellscript.sh/ | Audience | H2 |
| www.shellscript.sh/ | Typographical Conventions Used in This Tutorial | H2 |
| www.shellscript.sh/ | My Paperbacks and eBooks | H2 |
| www.shellscript.sh/first.html | The Shell Scripting Tutorial | H2 |
| www.shellscript.sh/first.html | A First Script | H2 |
| www.shellscript.sh/first.html | My Paperbacks and eBooks | H2 |
| www.shellscript.sh/philosophy.html | The Shell Scripting Tutorial | H2 |
| www.shellscript.sh/philosophy.html | Philosophy | H2 |
| www.shellscript.sh/philosophy.html | My Paperbacks and eBooks | H2 |
| www.shellscript.sh/wildcards.html | The Shell Scripting Tutorial | H2 |
| www.shellscript.sh/wildcards.html | Wildcards | H2 |
| www.shellscript.sh/wildcards.html | My Paperbacks and eBooks | H2 |
| www.shellscript.sh/escape.html | The Shell Scripting Tutorial | H2 |
| www.shellscript.sh/escape.html | Escape Characters | H2 |
| www.shellscript.sh/escape.html | My Paperbacks and eBooks | H2 |
URL format5.2
4 URLs are less than ideal
- 4 URLs include a file extension.
- Avoid use of file extensions wherever possible. File extensions appear at the end of web addresses, and have several negative effects. They make the address harder to remember or type (particularly for non-technical users), and can reveal the underlying technology of the website making it very slightly more vulnerable to hackers. They also tie the implementation of the website to a specific technology, which can make subsequent migration of URLs difficult. Consider URL rewriting as an effective and transparent means of creating appropriate URLs.
Page extensions
- Avoid use of file extensions wherever possible. File extensions appear at the end of web addresses, and have several negative effects. They make the address harder to remember or type (particularly for non-technical users), and can reveal the underlying technology of the website making it very slightly more vulnerable to hackers. They also tie the implementation of the website to a specific technology, which can make subsequent migration of URLs difficult. Consider URL rewriting as an effective and transparent means of creating appropriate URLs.
Images8.0
100% of images have a clearly defined size
5 images are being resized by the browser
- All images have defined sizes using width and height attributes in the HTML. These attributes are optional, but strongly recommended as they help the browser arrange the page more quickly.
- 5 images are being stretched in the browser.
- The width and height you specify in an image tag should be the same as the source image. If you want to resize an image in the browser, use the CSS width and height properties.
Stretched Images
- The width and height you specify in an image tag should be the same as the source image. If you want to resize an image in the browser, use the CSS width and height properties.
Mobile8.6
- This website delivers a mobile optimised version of the HTML when accessed on a phone. This is good because visitors on a mobile device will be able to access this website easily.
- Having mobile optimised HTML is good, but the best way of adapting a website for different screen sizes is to use CSS media queries.
Media specific CSS detected
Amount of content9.3
Rendering Chart...
- This website has an average of 745 words per page. The amount of content on a website has been shown to correlate with its search engine ranking.
Amount of content discovered
| Page | Characters | Words |
| www.shellscript.sh/ | 4372 | 732 |
| www.shellscript.sh/first.html | 4805 | 863 |
| www.shellscript.sh/philosophy.html | 4884 | 864 |
| www.shellscript.sh/wildcards.html | 2536 | 469 |
| www.shellscript.sh/escape.html | 4416 | 796 |
Server behaviour10.0
404 page
Compression
- This website handles missing pages correctly by sending a 404 HTTP status code.
- This website was served with GZIP encoding. This is very good because it reduces the loading time of a web page.
- This website follows the best practice of using a permanent (HTTP 301) redirect from http://shellscript.sh to http://www.shellscript.sh. This is ideal.
Page titles10.0
100% of pages have defined titles
0% of page titles are weak
- All pages were found to use page titles appropriately. Page titles appear in search results and at the top of the browser's window when visiting the site. Appropriate page titles are particularly important for search engine optimisation.
Page titles
Internal links10.0
- Every link tested appears to be well defined. This is good because well defined links help SEO and aid accessibility.
Meta tags10.0
This is how this website will look in Google search listings:
The Shell Scripting Tutorial - The Shell Scripting Tutorial
www.shellscript.sh/
This tutorial is written to help people understand some of the basics of shell script programming (aka shell scripting), and hopefully to introduce some of the ...
- Nearly every page was found to include the description meta tag. The description meta data is important as it appears on Google's search result pages.
- Make sure that all the pages of this website include a meta description. If you don't include one, Google will choose a sample of text from the page to appear in the search engine result. By including a meta description, you can control how your search engine result will appear.
Meta Tags (name attribute)
| Page URL | Name | Content |
| www.shellscript.sh/ | viewport | width=device-width,initial-scale=1 |
| www.shellscript.sh/ | description | This tutorial is written to help people understand some of the basics of shell script programming (aka shell scripting), and hopefully to introduce some of the possibilities of simple but powerful programming available under the Bourne shell. As such, it has been written as a basis for one-on-one or group tutorials and exercises, and as a reference for subsequent use. |
| www.shellscript.sh/ | description | This tutorial is written to help people understand some of the basics of shell script programming (aka shell scripting), and hopefully to introduce some of the possibilities of simple but powerful programming available under the Bourne shell. As such, it has been written as a basis for one-on-one or group tutorials and exercises, and as a reference for subsequent use. |
| www.shellscript.sh/first.html | viewport | width=device-width,initial-scale=1 |
| www.shellscript.sh/first.html | description | A First Script - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
| www.shellscript.sh/first.html | description | A First Script - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
| www.shellscript.sh/philosophy.html | viewport | width=device-width,initial-scale=1 |
| www.shellscript.sh/philosophy.html | description | Philosophy - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
| www.shellscript.sh/philosophy.html | description | Philosophy - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
| www.shellscript.sh/wildcards.html | viewport | width=device-width,initial-scale=1 |
| www.shellscript.sh/wildcards.html | description | Wildcards - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
| www.shellscript.sh/wildcards.html | description | Wildcards - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
| www.shellscript.sh/escape.html | viewport | width=device-width,initial-scale=1 |
| www.shellscript.sh/escape.html | description | Escape Characters - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
| www.shellscript.sh/escape.html | description | Escape Characters - A Bourne Shell Programming / Scripting Tutorial for learning about using the Unix shell. |
Printability10.0
100% of pages are optimised for printing
- All of this website appears to be optimised for printing (using CSS).
Media specific CSS detected
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