The accessibility of addgene.org was reviewed 16 times over 582 days beginning January 9, 2025, as shown by the data. Out of every uptime test completed, addgene.org was accessible 16 times, most recently evidenced by the 200 status response on July 14, 2026. According to the checks, addgene.org experienced zero downtime as of August 14, 2026. There were no error responses reported as of August 14, 2026, according to the received replies. Contrary to the 0.279 seconds average response time, addgene.org's response on July 14, 2026, was 0.312 seconds.
| Russia | 100.00% | ||||||||
| 22:43 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 47 | July 8, 2024 | |
| 36 | February 18, 2021 | |
| 16 | January 9, 2025 | |
| 30 | January 18, 2024 | |
| 11 | November 20, 2024 |
Dorcelclub.com | Addgene.org | ||||
|---|---|---|---|---|---|
| Page Title | Page Title tips for addgene.org: Search engines use title tags to understand page relevance, so make yours descriptive, include target keywords near the start, and keep it concise (under 60 characters) to help crawlers rank your content accurately for user searches. |
|---|---|
| Addgene: A better way to share science Length: 38 characters | |
| Meta Description | Meta Description tips for addgene.org: A well-crafted meta description acts as your page's elevator pitch in the search engine results pages (SERPs), directly addressing the user's query or need by highlighting key benefits, clearly stating the primary keyword or topic, maintaining a character limit for visibility (max 155-160 characters), and including a persuasive call to action or benefit-oriented statement that encourages exploration. |
| Addgene, the nonprofit plasmid repository, accelerates science by sharing useful plasmid-based research materials, viral preps, and information worldwide. Length: 154 characters | |
| Meta Keywords | Meta Keywords tips for addgene.org: Despite some lingering SEO confusion, meta keywords are largely ineffective and provide minimal impact on search rankings for most queries; prioritize technical SEO, quality backlinks, and mobile-friendliness instead. |
| no meta keywords data for addgene.org 2026-08-14T03:19:55+00:00 | |
| Page Content | Page Content tips for addgene.org: For optimal page content, prioritize user engagement by crafting narratives or explanations that are not only keyword-optimized but also empathetic and relatable, anticipating potential questions, and providing context-rich answers that guide informed decision-making. |
| Web Page Content Length: 116946 characters | |
| H1 Heading | H1 Heading tips for addgene.org: Employing semantic HTML, particularly the H1 tag, helps search engines accurately categorize your page's content and enhances the website's overall technical SEO foundation for better indexing. |
| A Better Way to Share Science Count: 1 heading tag | |
| H2 Headings | H2 Headings tips for addgene.org: Analyze competitor content to see how H2 headers are utilized strategically to target specific keywords and structure content for maximum visibility in search results. |
| What's New About Addgene Scientists Addgene Tools of the Day Sign Up for Our Newsletter Subscribe to Our Blog Contact Addgene Addgene is a nonprofit plasmid repository. Count: 8 heading tag | |
| H3 Headings | H3 Headings tips for addgene.org: Regularly audit your use of H3 tags to maintain proper hierarchy, ensure semantic accuracy, and replace any generic placeholders with targeted, descriptive content-rich headers. |
| Plasmid Viral Prep Antibody We store and distribute high-quality plasmids from your colleagues. About Our Repository Browse Our Catalog Education Tools Addgene Website Feedback Count: 9 heading tag | |
| H4 Headings | H4 Headings tips for addgene.org: Incorporating descriptive H4 tags allows you to target specific long-tail keywords related to the main topic discussed under an H3, enhancing your page's SEO potential. |
| Help Center Deposit Plasmids General Reagents Viral Service DNA Service Plasmid Collections Count: 6 heading tag | |
| H5-H6 Headings | H5-H6 Headings tips for addgene.org: Consistency is key: maintain a logical and predictable progression through H1, H2, H3, down to H5 and H6, mirroring the natural thought process of your content, thereby enhancing both user comprehension and search engine interpretation of your information architecture. |
| no h5-h6 headings data for addgene.org 2026-08-14T03:19:55+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for addgene.org: Integrate relevant, descriptive ALT text directly into your image markup for improved SEO by signaling to search engines the topical relevance and quality of your visual content. |
| no image alt attributes data for addgene.org 2026-08-14T03:19:55+00:00 | |
| Robots.txt | Robots.txt tips for addgene.org: Incorrect robots.txt syntax or conflicting rules can lead to unpredictable crawl behavior, potentially causing significant parts of your website to be missed by search engines, thereby reducing indexed pages and negatively impacting organic traffic potential. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for addgene.org: XML sitemaps are indispensable for dynamic websites where pages are automatically generated or change frequently, acting as a crucial communication tool with search engines to ensure timely indexing of fresh content available to users. |
| no xml sitemap data for addgene.org 2026-08-14T03:19:55+00:00 | |
| Page Size | Page Size tips for addgene.org: To improve core web vitals, focus on decreasing page size through efficient coding practices, leveraging browser caching, and optimizing multimedia elements for quick loading. |
| page size: 114 kb | |
| Response Time | Response Time tips for addgene.org: Browser Caching headers instruct user browsers to store static resources locally, drastically reducing repeated requests for the same assets and leading to much faster perceived response times on subsequent page views or revisits. |
| response time: 0.279 sec | |
| Minify CSS | Minify CSS tips for addgene.org: Reduce website load time and optimize Core Web Vitals by minifying CSS, a critical task involving the removal of all unnecessary whitespace, comments, and code for maximum efficiency |
| Unminified: https://static.addgene.org/addgene-core/e5ff02ab3a/public-base/sitewide.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/public-base/page-homepage.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/search/suggester.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/search/search-bar.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/search/search-by-sequence-bar.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/public-base/modal-enable.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/search/blast-info-modal.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/public-base/homepage-ui-component-testimonial-card.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/ui-components/lazy-load-content.public.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/public-base/homepage-ui-component-tool-of-the-day.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/public-base/feedback-campaign.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/public-base/footer.scss.post.css https://static.addgene.org/addgene-core/e5ff02ab3a/deps/awesomplete/awesomplete.css https://static.addgene.org/addgene-core/e5ff02ab3a/deps/awesomplete/awesomplete.theme.css included in the page | |
| Minify JavaScript | Minify JavaScript tips for addgene.org: Implement server-side minification for JavaScript files to serve already compressed code directly; this optimization technique ensures the smallest possible payload reaches users, resulting in quicker page loads, smoother user interactions, and positive SEO signals sent to search engines regarding site performance. |
| Minified: https://static.addgene.org/addgene-core/e5ff02ab3a/vendor/js/htmx.min.js https://challenges.cloudflare.com/turnstile/v0/api.js?compat=recaptcha /cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015 Unminified: https://static.addgene.org/addgene-core/e5ff02ab3a/deps/require.js https://static.addgene.org/addgene-core/e5ff02ab3a/web-base/requirejs-configuration.m.js detected during site scan | |
| Structured Data | Structured Data tips for addgene.org: Marking up your business hours with schema.org opening hours is crucial, especially for service industries, as it enables search engines to display this valuable information to potential customers in search result snippets, improving local search relevance |
| no structured data data for addgene.org 2026-08-14T03:19:55+00:00 | |
| CDN Usage | CDN Usage tips for addgene.org: Optimize your website's performance by configuring your CDN to cache static resources like CSS, JavaScript, and images with intelligent expiration headers (like max-age) or dynamic TTL settings based on resource change frequency |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for addgene.org: Utilize modern, strong cipher suites supported by your web server and the majority of browsers when configuring your SSL/TLS protocol to ensure maximum security and prevent vulnerabilities like BEAST or POODLE attacks, directly protecting user data integrity and connection confidentiality. |
| SSL is enabled on the website |
| Minimum Daily Unique Visitors: | 101 845 |
| Minimum Daily Visits: | 119 024 |
| Minimum Daily Page Views: | 204 917 |
| Minimum Monthly Unique Visitors: | 3 055 350 |
| Minimum Monthly Visits: | 3 570 720 |
| Minimum Monthly Page Views: | 6 147 510 |
| Minimum Yearly Unique Visitors: | 36 664 200 |
| Minimum Yearly Visits: | 42 848 640 |
| Minimum Yearly Page Views: | 73 770 120 |
| Maximum Daily Unique Visitors: | 128 840 |
| Maximum Daily Visits: | 137 430 |
| Maximum Daily Page Views: | 231 912 |
| Maximum Monthly Unique Visitors: | 3 865 200 |
| Maximum Monthly Visits: | 4 122 900 |
| Maximum Monthly Page Views: | 6 957 360 |
| Maximum Yearly Unique Visitors: | 46 382 400 |
| Maximum Yearly Visits: | 49 474 800 |
| Maximum Yearly Page Views: | 83 488 320 |
| Daily Revenue: | US$ 147 - 331 |
| Monthly Revenue: | US$ 4 410 - 9 930 |
| Yearly Revenue: | US$ 52 920 - 119 160 |
| Minimum: | US$ 79 380 |
| Maximum: | US$ 357 480 |
| Rank | Points | |
|---|---|---|
| 22 249 | 13 026 977 | |
| 22 250 | 13 026 976 | |
| 22 251 | 13 026 975 | |
| 22 252 | 13 026 974 | |
| 22 253 | 13 026 973 | |
| 22 254 | 13 026 972 | |
| 22 255 | 13 026 971 | |
| 22 256 | 13 026 970 | |
| 22 257 | 13 026 969 | |
| 22 258 | 13 026 969 | |
| 22 259 | 13 026 968 |