C | 这些网站的评论区天然允许带链接，简直是外链界的无人区！同理可拓展到其他UGC系统（比如论坛插件），具体操作： 问ChatGPT“有哪些流行的网站评论系统” 把系统名称批量输入BuiltWith 挨个访问结果中的网站，专找能留言的页面 四、重要认知 别被“必须dofollow”的论调带偏！我的竞品分析显示：头部网站的外链中nofollow占比超40%，但Ahrefs依然把这些外链计入权重。
Artists stage a performance during the 2026 Sziget Festival in Budapest, Hungary, Aug. 10, 2026. The event officially opened to the public on Tuesday on Budapest's Obuda Island, bringing together music, arts and cultural programs from Hungary and abroad. Running until Aug. 15, this year's festival provided around 12 themed districts offering music, contemporary arts, circus performances, sports, family and community programs. (Photo by Attila Volgyi/Xinhua)
People enjoy performances during the 2026 Sziget Festival in Budapest, Hungary, Aug. 10, 2026. The event officially opened to the public on Tuesday on Budapest's Obuda Island, bringing together music, arts and cultural programs from Hungary and abroad. Running until Aug. 15, this year's festival provided around 12 themed districts offering music, contemporary arts, circus performances, sports, family and community programs. (Photo by Attila Volgyi/Xinhua)
An artist performs during the 2026 Sziget Festival in Budapest, Hungary, Aug. 10, 2026. The event officially opened to the public on Tuesday on Budapest's Obuda Island, bringing together music, arts and cultural programs from Hungary and abroad. Running until Aug. 15, this year's festival provided around 12 themed districts offering music, contemporary arts, circus performances, sports, family and community programs. (Photo by Attila Volgyi/Xinhua)
People enjoy performances during the 2026 Sziget Festival in Budapest, Hungary, Aug. 10, 2026. The event officially opened to the public on Tuesday on Budapest's Obuda Island, bringing together music, arts and cultural programs from Hungary and abroad. Running until Aug. 15, this year's festival provided around 12 themed districts offering music, contemporary arts, circus performances, sports, family and community programs. (Photo by Attila Volgyi/Xinhua) 。记住：免费外链的核心是先有数量，再求质量。
D | 此文来源于 联盟排排网 www.lianmengpaipai.com 站长必看的广告联盟评测网。
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二、拒绝烧钱！新手必备的2个免费核武器 Semrush逆向工程 把竞争对手的域名塞进Semrush，点击“反向链接”标签，你会看到两个黄金板块： 最佳外链（平台算法推荐的高质量外链源） 活跃外链（勾选时忽略dofollow/nofollow，实测两者对Ahrefs的DR权重计算都有用） Ahrefs免费外链挖掘 
在Ahrefs Backlink Checker输入竞品域名，免费版会优先展示20条高DR外链（这些往往是竞品最优质的外链资源，相当于白嫖他们的试错成果）。 三、高阶玩法：用BuiltWith挖评论区金矿 最近我发现一个降维打击的方法：用BuiltWith搜索第三方评论系统（如Disqus），它能列出所有使用该系统的网站。
