dl.acm.org
🖥 Status: up
🕒 Response Time: 2.592 sec
⬅️ Response Code: 200
Starting on January 30, 2021, there have been 7 checks of dl.acm.org's accessibility in the last 1 798 days. Dl.acm.org was up 7 times out of all checks performed, with its latest uptime on March 29, 2021, returning a 200 status code. Based on evaluations completed as of January 2, 2026, there have been no periods of inactivity on dl.acm.org. As of January 2, 2026, each response received was confirmed to be free of error status codes. The response received from dl.acm.org was 2.592 seconds on March 29, 2021, against an 2.233 seconds average.
7
Last Updated: March 29, 2021
cdgfacile.com
Last Updated: December 29, 2025
Status: up
Response Time: 0.146 sec
Response Code: 200
clipyou.ru
Last Updated: December 21, 2025
Status: error
Response Time: 0.090 sec
Response Code: 502
| Czech Republic | 100.00% | ||||||||
| 14:39 | |||||||||
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| Site | Total Checks | Last Modified |
|---|---|---|
| 11 | June 23, 2021 | |
| 17 | February 17, 2021 | |
| 7 | January 30, 2021 | |
| 6 | December 31, 2022 | |
 scontent-sea1-1.xx.fbcdn.net | 20 | December 21, 2021 |
Lcl.com | Dl.acm.org | ||||
|---|---|---|---|---|---|
| Page Title | Testing different variations of website titles, including variations in keyword placement or length, using A/B testing methods can provide concrete data on performance, enabling data-driven decisions for optimization. |
|---|---|
| no page title data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Meta Description | Meta descriptions provide an opportunity to entice users and improve click-through rates by accurately summarizing page content while incorporating primary keywords naturally, aiming for a balance between informativeness and a compelling call to action. |
| no meta description data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Meta Keywords | Meta keywords are considered obsolete for SEO purposes by major search engines like Google, which prioritize signals like page quality, user experience, and topical relevance over this outdated element. |
| no meta keywords data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Page Content | Optimize page loading speed and mobile responsiveness in conjunction with compelling, fast-loading multimedia content to deliver a seamless, frustration-free user experience across all devices and connection types. |
| no page content data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| H1 Heading | Remember that search engines give significant weight to the H1 tag's content, so always write a descriptive title that accurately reflects the page's topic and entices users to click through from search engine results pages. |
| no h1 heading data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| H2 Headings | H2 tags are essential for structuring long-form content logically, guiding readers through distinct sections like introduction, main points, and conclusion, while strategically incorporating secondary keywords relevant to the primary topic and boosting search engine visibility. |
| no h2 headings data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| H3 Headings | Create distinct H3 headers that accurately summarize the core topic of the subsequent paragraph, providing clear value and focus points for readers, thereby increasing engagement metrics like time-on-page and reducing bounce rates. |
| no h3 headings data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| H4 Headings | The effective use of H4 tags contributes to a better user experience by visually breaking up dense content and making it easier for visitors to skim and find relevant information quickly. |
| no h4 headings data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| H5-H6 Headings | Incorporating H5-H6 elements into your HTML code allows for precise content segmentation, making it easier to implement targeted anchor links for specific subsections within lengthy articles or guides. |
| no h5-h6 headings data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Image ALT Attributes | Ensure your ALT text remains relevant to the surrounding page content context; a standalone image should still have alt text that explains its purpose within the specific section or article it belongs to on your website. |
| no image alt attributes data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Robots.txt | While robots.txt prevents crawling, remember it does not guarantee that blocked pages will not be indexed if a broken link exists or if search engines discover the resource via other means like sitemaps or internal linking. |
| no robots.txt data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| XML Sitemap | XML sitemaps act as vital communication tools between website operators and search engines, explicitly specifying the URLs of newly created or updated content, which aids search engine crawlers in discovering and prioritizing this important information promptly, thus enhancing the overall freshness signal of your website. |
| no xml sitemap data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Page Size | A key factor in technical SEO is managing page size effectively; ensure your landing pages and crucial content are kept lean by minimizing file sizes, which directly supports faster loading times recognized by search engines. |
| page size: 0 kb | |
| Response Time | The backend infrastructure, encompassing application logic and API efficiency, is a foundational element determining website response times, directly affecting both crawl rate and ranking potential for critical pages. |
| response time: 2.233 sec | |
| Minify CSS | Minifying CSS is a low-effort, high-impact optimization strategy that significantly enhances website speed and responsiveness, directly benefiting Core Web Vitals compliance for improved search visibility. |
| no minify css data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Minify JavaScript | Search engine optimization best practices strongly recommend minifying JavaScript to reduce file bloat; by removing all whitespace and comments, you decrease load times and server response, factors that significantly influence search engine rankings and organic traffic. |
| no minify javascript data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| Structured Data | Schema markup facilitates better semantic relationships between content and the entity it represents, helping search engines understand connections and context within the vast web of information. |
| no structured data data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| CDN Usage | Use a Content Delivery Network (CDN) to serve common web fonts like Google Fonts or Typekit from edge locations nearest to the user, preventing font loading delays that often cause FOUC (Flash of Unstyled Content) and significantly speeding up the visual completion and perceived performance of your web page. |
| no cdn usage data for dl.acm.org 2026-01-02T11:49:09+00:00 | |
| SSL certificates | HTTPS, enabled via SSL certificates, is now recognized by search engines as a ranking signal, often contributing a small but significant uplift in local and organic search results, especially for commercial queries. |
| no ssl certificates data for dl.acm.org 2026-01-02T11:49:09+00:00 |