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军工企业一站式采购平台-国防科技网(www.81tech.com)
https://81tech.com
国防科技网于2005年创建，超过60万专业会员，涵盖航天、航空、无人机、船舶、核工业、军事电子（雷达、通信、电子战、虚拟仿真、电源、导航、电磁兼容、信息化、水声）、兵器、材料、可靠性、军用物资等，设有新闻、产品、企业、技术、科普、访谈、展会等频道和论坛。
https://81tech.com
军工企业一站式采购平台-国防科技网(www.81tech.com)
国防科技网于2005年创建，超过60万专业会员，涵盖航天、航空、无人机、船舶、核工业、军事电子（雷达、通信、电子战、虚拟仿真、电源、导航、电磁兼容、信息化、水声）、兵器、材料、可靠性、军用物资等，设有新闻、产品、企业、技术、科普、访谈、展会等频道和论坛。
No 301 redirects are in place to redirect traffic to your preferred domain. Pages that load successfully both with and without www. are treated as duplicate content! Not all versions of your page point to the same URL.
| URL | Resolved URL |
| http://81tech.com | https://www.81tech.com/ |
| https://81tech.com | https://81tech.com/ |
| http://www.81tech.com | https://www.81tech.com/ |
| https://www.81tech.com | Error 403 Forbidden |
ⓘ The owner has associated the following topics to the website.
✅ 81tech.com website speed is normal. Page speed is important for visitors and search engines.
Get insights to improve your page loading time.
This domain loads at the median speed of 2.4 seconds.
81tech.com is faster than approximately 31 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.
A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.
Mobile Rendering
This website doesn't seem to be optimized for Mobile Visitors.
Phone
Tablet
A good text to HTML ratio is anywhere from 25 to 70%.
This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.
Great, we found headings on this page.
| Top level heading |
| 免费获取新版《射频、微波及毫米波产品选型指南》 推荐品牌 |
| 更多>> f1航天 |
| 更多>> f2航空 |
| 更多>> f3船舶 |
| 更多>> f4核工业 |
| 更多>> f5兵器 |
| 更多>> f6军事电子 |
| 更多>> f7可靠性 |
| 更多>> f8综合 |
| 3rd level heading |
| 商机中心 |
| 最新供应 |
| Vıp信息 |
| 最新企业 |
| Vıp企业 |
| 军工资讯 |
We found 109 images on this website.
36
ALT attributes are missing on your image tags. The issue affects 16 actual different images that could be loaded more than once in your page.
Alternative text allows you to add a description to an image.
Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.
It looks like you're missing alternative text for 36 images on 81tech.com. Check your website to make sure it's specified for each image on the page.
21 of which have the nofollow attribute, meaning that their destination should not be afforded any additional weight or ranking by search engines.
For a better readability, only the first 50 internal links are shown below.
| ⓘ Domain Registrar | BIZCN.COM, INC. |
| ⓘ Registration Date | 03/28/2005 19 years, 28 days ago |
| ⓘ Last Modified | 06/16/2019 4 years, 10 months, 14 days ago |
| ⓘ Expiration Date | 03/28/2022 Expired |
China
SOCIAL MEDIA PRESENCE
It seems you have a very poor social media presence.
Follow these tips to build a better relationship with your audience : set smart goals, identify your audience, be human, seek relationships, create an editorial calendar, automate, focus on helping, optimize for engagement, get visual, stay active and create great content.