Generated on October 17 2026 21:45 PM
The score is 56/100
Title
Jenkins
Length : 7
Your title's length should be between 40 and 70 characters. The optimal title length is between 50 to 70 chars. Rewrite the title tag to fit this range, or use our free meta tag generator.
Description
Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their software
Length : 135
Great, your meta description tag's length is between 90 and 160 characters. A description tag of 155 to 160 characters is optimal.
Keywords
Not good (but low priority). We haven't found a meta keywords tag on your page. You can add a meta keywords tag to the page's <head> with our free meta tag generator.
Og Meta Properties
This page does not take advantage of Open Graph Properties. This tags allows social crawler's better structurize your page. Add og:title, og:description, og:image and og:url meta tags to the page's <head>, or create them with our free Open Graph generator.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 6 | 0 | 0 | 15 | 0 |
Images
We found 23 images on this web page.
5 image alt attributes were missing. Please add alt text to all images to help search engines better understand the content of your images.
Text/HTML Ratio
Ratio : 1%
This page's ratio of text to HTML code is below 20 percent, this means that your website probably needs more text content in order to do well in search engines. Note: This may also result from a false reading due to your server blocking external scripts from accessing the home page.
Iframe
Not ideal - You have Iframes on the web page, this mean that content in an Iframe cannot be indexed.
URL Rewrite
Good. Your links look SEO friendly and are easy to crawl!
Underscores in the URLs
Great! No underscores found in your URLs.
In-page links
We found a total of 27 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Download | Internal | Passing Juice |
| Documentation | Internal | Passing Juice |
| Read here | Internal | Passing Juice |
| Read more about the awards and winners in our blog. | Internal | Passing Juice |
| More info | Internal | Passing Juice |
| More info | Internal | Passing Juice |
| More info | Internal | Passing Juice |
| Atlassian | External | Passing Juice |
| Datadog | External | Passing Juice |
| DigitalOcean | External | Passing Juice |
| Discourse | External | Passing Juice |
| Fastly | External | Passing Juice |
| IBM | External | Passing Juice |
| Netlify | External | Passing Juice |
| PagerDuty | External | Passing Juice |
| Sentry | External | Passing Juice |
| Tsinghua University | External | Passing Juice |
| XMission | External | Passing Juice |
| Belnet | External | Passing Juice |
| RWTH Aachen University | External | Passing Juice |
| Hostico | External | Passing Juice |
| FreeDif | External | Passing Juice |
| Servana | External | Passing Juice |
| Yamagata University | External | Passing Juice |
| simonelbaz | External | Passing Juice |
| repository-permissions-updater | External | Passing Juice |
| openstack-cloud-plugin | External | Passing Juice |
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| university | 3 | ![]() |
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| jenkins | 2 | ![]() |
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| thank | 2 | ![]() |
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| servana | 1 | ![]() |
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| xmission | 1 | ![]() |
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Url
Domain : jenkins.io
Length : 10
Favicon
Great, your website has a favicon.
Language
Good. Your declared language is en.
Doctype
HTML 5
Encoding
Great. Your declared charset is UTF-8.
Email Privacy
Warning! At least one email address has been found in plain text. Consider using an image or a form to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
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Not great, your website is using inline styles. This is not optimal. |
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Not good, your website has too many CSS files (more than 4). |
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This website has an excessive amount of Javascript files (more than 6). |
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Awesome, your website takes advantage of GZIP compression for SEO optimization. |
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
XML Sitemap
Great, your website has an XML sitemap.
| https://www.jenkins.io/sitemap.xml |
Robots.txt
http://jenkins.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
Unverified
AI Crawlers
This site has no robots.txt file, so AI crawlers are allowed by default.
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OAI-SearchBot | ChatGPT search | AI search |
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ChatGPT-User | ChatGPT (user requests) | AI search |
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Claude-SearchBot | Claude search | AI search |
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Claude-User | Claude (user requests) | AI search |
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PerplexityBot | Perplexity | AI search |
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GPTBot | OpenAI training | AI training |
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ClaudeBot | Anthropic training | AI training |
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Google-Extended | Google Gemini training | AI training |
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Applebot-Extended | Apple AI training | AI training |
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CCBot | Common Crawl | AI training |
Blocking AI training crawlers is a common choice and doesn't affect the score. Only the AI search crawlers count.
Structured Data
No schema.org structured data found. Adding it (for example Organization, WebSite or Product in JSON-LD) helps search engines and AI tools understand the page and can enable rich results.
Canonical Tag
The homepage has a canonical tag, which tells search engines which URL is the main version of the page.
llms.txt
No llms.txt file. It's an emerging convention: a short Markdown summary of the site for AI tools. Optional, so it doesn't affect the score.
HTTPS
The site loads over HTTPS, so connections are encrypted. Browsers and search engines expect this.
HSTS
The site sends a Strict-Transport-Security header, so browsers always use HTTPS for it.
Security Headers
2 of 5 common security headers found. At least 2 are needed to pass.
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Content-Security-Policy |
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X-Content-Type-Options |
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X-Frame-Options |
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Referrer-Policy |
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Permissions-Policy |
jenkins.io accepts email and has both SPF and DMARC records. The Wayback Machine first archived it in March 2015.
Hosting
| IPv4 address | 128.24.70.119 |
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IPv6 support |
Email Security
Mail servers: mxa.mailgun.org, mxb.mailgun.org
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SPF record |
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DMARC record (policy: reject) |
Archive History
The Wayback Machine has snapshots of this site from 126 different months, from March 2015 to October 2026. View snapshots
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