devfreebooks.github.io
🖥 Status: up
🕒 Response Time: 0.274 sec
⬅️ Response Code: 200
Over the 2 544 day period from January 14, 2019, up until today, 1 uptime checks of devfreebooks.github.io have been completed. Devfreebooks.github.io has been operational 1 times out of all checks, with the most recent successful check occurring on January 14, 2019, with a 200 status code. As of January 2, 2026, assessments had not shown any instances of devfreebooks.github.io's non-functionality. As of January 2, 2026, no recorded response had an error status out of all the replies that were received. According to the records, on January 14, 2019, devfreebooks.github.io replied in a time of 0.274 seconds with an average response time of 0.274 seconds.
1
Last Updated: January 14, 2019
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Last Updated: December 26, 2025
Status: up
Response Time: 0.501 sec
Response Code: 200
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Last Updated: November 29, 2025
Status: error
Response Time: 0.072 sec
Response Code: 403
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| Site | Total Checks | Last Modified |
|---|---|---|
| 1 | January 2, 2026 | |
 ginavivinetto.files.wordpress.com | 1 | January 2, 2026 |
| 1 | January 14, 2019 | |
| 1 | January 2, 2026 | |
| 6 | June 13, 2021 |
Trading212.com | Devfreebooks.github.io | ||||
|---|---|---|---|---|---|
| Page Title | Effective website titles act as micro-advertisements, making an immediate case for relevance and quality that hooks user interest before any deeper reading or exploration of website content begins. |
|---|---|
| DevFreeBooks Length: 12 characters | |
| Meta Description | Review and update meta descriptions periodically, especially for high-performing pages, as search algorithms and user behavior trends can change over time. |
| A collection of free books for devs Length: 35 characters | |
| Meta Keywords | Avoid the misconception that meta keywords are still a ranking signal; instead, focus your efforts on thorough keyword research, building authoritative backlinks, and creating an exceptional user experience that keeps visitors engaged on your site. |
| no meta keywords data for devfreebooks.github.io 2026-01-02T06:52:11+00:00 | |
| Page Content | Create page content using clear, concise language and varying sentence structure for improved readability; avoid jargon and overly complex sentences to ensure your message is easily understood and retained by the audience. |
| Web Page Content Length: 30662 characters | |
| H1 Heading | Pages with clear H1 headers tend to rank higher due to better semantic structure interpreted by search engines, reflecting user preference for organized information. |
| A collection of free books for devs Count: 1 heading tag | |
| H2 Headings | Implementing descriptive H2 headings enhances your site's topical authority on a specific page, signaling subject matter expertise relevant to search engine ranking factors like Core Web Vitals. Prioritizing clear H2 labels is essential for mobile users navigating small screens, improving both Core Web Vitals score and mobile CTR metrics. |
| no h2 headings data for devfreebooks.github.io 2026-01-02T06:52:11+00:00 | |
| H3 Headings | For optimal SEO, strategically place descriptive H3 headers above each key point within your H2 section, ensuring they accurately reflect the content beneath them and include specific long-tail keywords relevant to that subsection. |
| no h3 headings data for devfreebooks.github.io 2026-01-02T06:52:11+00:00 | |
| H4 Headings | In e-commerce or product comparison pages, using H4 tags to detail specific product attributes, specifications, or features significantly enhances user understanding and content clarity. |
| no h4 headings data for devfreebooks.github.io 2026-01-02T06:52:11+00:00 | |
| H5-H6 Headings | Detailed SEO recommendations advise using H5-H6 tags primarily for information that is inherently secondary or requires a deeper level of specificity than the immediately surrounding context. |
| no h5-h6 headings data for devfreebooks.github.io 2026-01-02T06:52:11+00:00 | |
| Image ALT Attributes | Strive for concise yet comprehensive ALT text that accurately explains the image while adhering to best practices for length and specificity, balancing detailed description with the limitations of screen reader verbosity. |
| https://devfreebooks.github.io/assets/images/devfreebooks.png https://devfreebooks.github.io/assets/images/android.jpg https://devfreebooks.github.io/assets/images/angularjs.jpg https://devfreebooks.github.io/assets/images/c_cpp.jpg https://devfreebooks.github.io/assets/images/clojure.jpg https://devfreebooks.github.io/assets/images/csharp.jpg https://devfreebooks.github.io/assets/images/d.jpg https://devfreebooks.github.io/assets/images/django.jpg https://devfreebooks.github.io/assets/images/elixir.jpg https://devfreebooks.github.io/assets/images/emberjs.jpg https://devfreebooks.github.io/assets/images/erlang.jpg https://devfreebooks.github.io/assets/images/flutter.jpg https://devfreebooks.github.io/assets/images/git.jpg https://devfreebooks.github.io/assets/images/go.jpg https://devfreebooks.github.io/assets/images/groovy.jpg https://devfreebooks.github.io/assets/images/haskell.jpg https://devfreebooks.github.io/assets/images/html.jpg https://devfreebooks.github.io/assets/images/ios.jpg https://devfreebooks.github.io/assets/images/java.jpg https://devfreebooks.github.io/assets/images/javascript.jpg https://devfreebooks.github.io/assets/images/http.jpg https://devfreebooks.github.io/assets/images/nodejs.jpg https://devfreebooks.github.io/assets/images/ocalm.jpg https://devfreebooks.github.io/assets/images/perl.jpg https://devfreebooks.github.io/assets/images/perl6.jpg and 10 more... Count: 26 images with ALT attributes | |
| Robots.txt | Do not use robots.txt to restrict JavaScript-powered content (often found in Single Page Applications); instead, rely on sitemaps for proper indexing, as crawlers primarily follow traditional text-based links, not JavaScript navigation. |
| file robots.txt was found on the website | |
| XML Sitemap | For dynamic websites with thousands or millions of pages, an XML sitemap is indispensable for guiding search engine bots through the site structure, ensuring comprehensive coverage and efficient indexing, which directly impacts SEO rankings and organic traffic. |
| no xml sitemap data for devfreebooks.github.io 2026-01-02T06:52:11+00:00 | |
| Page Size | Avoid creating pages filled with heavy interactive elements or overly complex applications (Single Page Applications) unless absolutely necessary, as these tend to have very large initial page sizes that slow down first impressions significantly. |
| page size: 30 kb | |
| Response Time | Faster page response times directly contribute to improved Core Web Vitals scores, particularly Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS), which search engines now use as ranking factors for website quality. |
| response time: 0.274 sec | |
| Minify CSS | Dynamic generation potentially delays rendering; however, mandatory minification of all CSS assets by stripping unnecessary whitespace, annotations, and redundant properties before delivery ensures faster contentful paint, positively affecting a site's Core Web Vitals measurement and consequently its search placement. |
| Unminified: https://devfreebooks.github.io/assets/css/application.css included in the page | |
| Minify JavaScript | JavaScript minification directly addresses the need for faster contentful rendering by reducing the amount of data that must be downloaded and parsed before the page becomes interactive, a factor that heavily influences search engine rankings. |
| Minified: //cdn.carbonads.com/carbon.js?serve=CESICK3M&placement=devfreebooksgithubio https://devfreebooks.github.io/assets/js/application.js detected during site scan | |
| Structured Data | Incorporate Schema Markup for reviews and ratings to display this valuable user-generated feedback directly within search results, increasing transparency and building trust with potential customers, which can positively influence conversion rates and brand perception. |
| no structured data data for devfreebooks.github.io 2026-01-02T06:52:11+00:00 | |
| CDN Usage | Optimize your website's Core Web Vitals scores significantly by ensuring that static assets are served via a fast, efficient CDN; this includes proper compression settings, leveraging browser caching, and utilizing HTTP/3 if available to reduce loading friction. |
| content is delivered via CDN | |
| SSL certificates | Securing your website with a properly configured SSL certificate is a critical SEO task, as it prevents mixed content errors, enhances user experience with secure connection badges, and meets search engine security expectations. |
| SSL is enabled on the website |