dahlemcenter.org
🖥 Status: up
🕒 Response Time: 2.359 sec
⬅️ Response Code: 200
The total availability tests of dahlemcenter.org performed over the past 1 491 days beginning November 25, 2021, reached 1. Out of total assessments performed, dahlemcenter.org succeeded 1 times, including on November 25, 2021, with a 200 status code. Based on the checks made as of December 25, 2025, no cases of inactivity were detected for dahlemcenter.org. As of December 25, 2025, every response has confirmed that there are none with an error status. Records show the November 25, 2021, dahlemcenter.org response at 2.359 seconds, contrasted with the 2.359 seconds average.
1
Last Updated: November 25, 2021
thegeekstuff.com
Last Updated: December 17, 2025
Status: up
Response Time: 1.586 sec
Response Code: 200
51seer.com
Last Updated: November 17, 2025
Status: up
Response Time: 0.001 sec
Response Code: not set
| Russia | 100.00% | ||||||||
| 04:29 | |||||||||
Search Results
| Site | Total Checks | Last Modified |
|---|---|---|
| 1 | December 25, 2025 | |
| 1 | December 25, 2025 | |
| 1 | November 25, 2021 | |
| 1 | December 25, 2025 | |
| 1 | April 26, 2025 |
51seer.com | Dahlemcenter.org | ||||
|---|---|---|---|---|---|
| Page Title | For maximum SEO impact, focus on creating website titles under 60 characters that include your main content keywords early on, as this approach helps Google index your page accurately and improves the chances of your results appearing relevant and clickable in search. |
|---|---|
| Dahlem Environmental Education | Jackson’s Nature Place Length: 61 characters | |
| Meta Description | For improved search performance and user click-throughs, dedicate time to regularly review, edit, and test your meta descriptions for clarity, keyword placement, and character length, ensuring each one effectively communicates value, incorporates primary keywords near the start, and stays under 155 characters. |
| The Dahlem Conservancy is a 501c3 nonprofit organization that manages and funds the John and Mary Dahlem Environmental Education Center. Length: 136 characters | |
| Meta Keywords | Modern SEO focuses on semantic relevance and context within page content, internal linking structures, and earning authoritative backlinks, completely bypassing reliance on the obsolete meta keywords attribute. |
| no meta keywords data for dahlemcenter.org 2025-12-25T10:00:30+00:00 | |
| Page Content | Use internal linking strategically within page content to direct users to other relevant articles or resources on your site, improving navigation, increasing time spent on site, and distributing link equity for collective SEO strength. |
| Web Page Content Length: 52528 characters | |
| H1 Heading | An effective H1 is prominently displayed at the top of content, serving as a clear roadmap for users, reducing bounce rates, and improving overall readability of the page's main information. |
| Visit the Events page to sign up for programs! Welcome to Dahlem! Support Dahlem’s Mission Count: 3 heading tag | |
| H2 Headings | For blogs or news websites, consistently using H2 tags helps improve core web vitals, particularly LCP, by segmenting text and potentially reducing font sizes needed for initial load visibility. |
| Contact Dahlem Visit Dahlem Count: 2 heading tag | |
| H3 Headings | Use variations of your core topic's keywords in different H3 tags throughout the page to avoid repetition, maintain user engagement, and potentially capture a wider range of related search queries. |
| December programs and events: Count: 1 heading tag | |
| H4 Headings | Strategic use of descriptive H4 headings helps break up dense text, making web content significantly more scannable for readers seeking specific information quickly and easily within long articles or pages. |
| no h4 headings data for dahlemcenter.org 2025-12-25T10:00:30+00:00 | |
| H5-H6 Headings | For the best user and search engine signals, limit the use of H5 and H6 tags to specific, non-critical parts of your webpage structure, ensuring the main navigational content maintains a logical and accessible heading hierarchy using lower heading levels. |
| Join Our Email Newslette Count: 1 heading tag | |
| Image ALT Attributes | Write concise yet detailed ALT descriptions that clearly state what is depicted in the image, avoiding overly long or vague phrasing that might confuse screen reader users or dilute SEO signals. |
| no image alt attributes data for dahlemcenter.org 2025-12-25T10:00:30+00:00 | |
| Robots.txt | For optimal website indexing by search engines, utilize the robots.txt file responsibly to guide crawlers away from non-relevant, private, or staging areas (like /admin or /test/), ensuring they spend their time efficiently crawling your main public website structure |
| file robots.txt was found on the website | |
| XML Sitemap | A well-maintained XML sitemap helps search engines understand your website better beyond just page discovery, including aspects like URL priority, last modification dates, and frequency of changes, which can influence crawling frequency and the order in which pages are indexed. |
| no xml sitemap data for dahlemcenter.org 2025-12-25T10:00:30+00:00 | |
| Page Size | The actual page size of webpages, encompassing HTML, CSS, and JavaScript files, directly influences load time; keeping this total under 1-2MB is highly recommended for maintaining good user experience metrics and SEO potential. |
| page size: 51 kb | |
| Response Time | Employ efficient database querying practices using indexes and optimized SQL to ensure fast data retrieval, significantly cutting down database latency which directly affects overall application response time. |
| response time: 2.359 sec | |
| Minify CSS | Enhance your website's Core Web Vitals and overall SEO performance by implementing a CSS minification strategy that consistently removes all whitespace, formatting, and unnecessary comments, leading to smaller file sizes, faster load speeds, and a better user experience. |
| Minified: https://www.dahlemcenter.org/wp-includes/css/dist/block-library/style.min.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/animate.min.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/fancybox/source/jquery.fancybox.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/font-awesome.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/linecon.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/steadysets.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/plugins/js_composer/assets/css/js_composer.min.css?ver=8.5.0 https://www.dahlemcenter.org/wp-content/plugins/shiftnav-responsive-mobile-menu/assets/css/shiftnav.min.css?ver=1.8.2 https://www.dahlemcenter.org/wp-content/plugins/shiftnav-responsive-mobile-menu/assets/css/fontawesome/css/font-awesome.min.css?ver=1.8.2 //www.dahlemcenter.org/wp-content/uploads/redux/custom-fonts/fonts.css?ver=1674511015 Unminified: https://www.dahlemcenter.org/wp-content/themes/tower/css/bootstrap.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/flexslider.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/shortcodes.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/style.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/bootstrap-responsive.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/vector-icons.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/hoverex-all.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/jquery.easy-pie-chart.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/idangerous.swiper.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/plyr.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/owl.carousel.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/owl.theme.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/mediaelementplayer.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/css/odometer-theme-minimal.css?ver=6.8.3 https://www.dahlemcenter.org/wp-content/plugins/shiftnav-responsive-mobile-menu/assets/css/skins/light.css?ver=1.8.2 https://fonts.googleapis.com/css?family=Lato%7CRaleway:100,200,300,400,500,600,700,800,900,100italic,200italic,300italic,400italic,500italic,600italic,700italic,800italic,900italic%7CMontserrat:100,200,300,400,500,600,700,800,900,100italic,200italic,300italic,400italic,500italic,600italic,700italic,800italic,900italic%7COpen%20Sans&subset=latin&display=swap&ver=6.8.3 https://fonts.googleapis.com/css?family=Lato%7CRaleway:100,200,300,400,500,600,700,800,900,100italic,200italic,300italic,400italic,500italic,600italic,700italic,800italic,900italic%7CMontserrat:100,200,300,400,500,600,700,800,900,100italic,200italic,300italic,400italic,500italic,600italic,700italic,800italic,900italic%7COpen%20Sans&subset=latin&display=swap&ver=6.8.3 //fonts.googleapis.com/css?family=Roboto:400&display=swap //www.dahlemcenter.org/wp-content/plugins/revslider/sr6/assets/css/rs6.css?ver=6.7.19 included in the page | |
| Minify JavaScript | Minifying JavaScript files, a vital step in front-end optimization strategies, significantly reduces file size and enhances browser parsing speed, leading to faster Time To Interactive scores and improved user experience across all devices, a key factor considered by Google's ranking algorithms |
| Minified: https://www.dahlemcenter.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 https://www.dahlemcenter.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1 https://www.dahlemcenter.org/wp-content/plugins/the-events-calendar/common/build/js/user-agent.js?ver=da75d0bdea6dde3898df //www.dahlemcenter.org/wp-content/plugins/revslider/sr6/assets/js/rbtools.min.js?ver=6.7.19 //www.dahlemcenter.org/wp-content/plugins/revslider/sr6/assets/js/rs6.min.js?ver=6.7.19 https://www.dahlemcenter.org/wp-content/themes/tower/js/bootstrap.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/isotope.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.flexslider-min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.carouFredSel-6.1.0-packed.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/modernizr.custom.66803.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/odometer.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.placeholder.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.countdown.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/waypoints.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/idangerous.swiper.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/background-check.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/skrollr.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/select2.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.slicknav.min.js?ver=1 https://www.dahlemcenter.org/wp-includes/js/imagesloaded.min.js?ver=5.0.0 https://www.dahlemcenter.org/wp-includes/js/masonry.min.js?ver=4.2.2 https://www.dahlemcenter.org/wp-includes/js/jquery/jquery.masonry.min.js?ver=3.1.2b https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.infinitescroll.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/owl.carousel.min.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.plyr.js?ver=1 https://www.dahlemcenter.org/wp-content/plugins/shiftnav-responsive-mobile-menu/assets/js/shiftnav.min.js?ver=1.8.2 https://www.dahlemcenter.org/wp-content/plugins/js_composer/assets/js/dist/js_composer_front.min.js?ver=8.5.0 Unminified: https://www.dahlemcenter.org/wp-content/plugins/codeless-framework/assets/js/post-like.js?ver=6.8.3 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.easing.1.1.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.easing.1.3.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.mobilemenu.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/fancybox/source/jquery.fancybox.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.hoverex.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/tooltip.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.parallax.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/snap.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.appear.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.easy-pie-chart.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/animations.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/codeless-main.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.fullPage.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/classie.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.mixitup.js?ver=1 https://www.dahlemcenter.org/wp-content/themes/tower/js/jquery.onepage.js?ver=1 detected during site scan | |
| Structured Data | Think beyond basic schema types; consider utilizing complex structures like BreadcrumbList to clarify website navigation hierarchy, Organization schema for local business information, or SoftwareApplication schema for detailing downloadable software, enriching search engine understanding. |
| no structured data data for dahlemcenter.org 2025-12-25T10:00:30+00:00 | |
| CDN Usage | When implementing your CDN, ensure you purge old cached versions of static files whenever you update critical resources like CSS or JavaScript files directly hosted on your origin server to avoid serving outdated content. |
| content is delivered via CDN | |
| SSL certificates | Obtaining an SSL certificate involves verifying your domain ownership and, for higher assurance certificates, potentially your business identity, which adds an additional layer of credibility and legitimacy to your website in the eyes of users and search engines. |
| SSL is enabled on the website |