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Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 517.7KiB (67% reduction).

Compressing https://images.51.la/v5/dist/index.js?v=1571882750358 could save 233.7KiB (65% reduction).
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Compressing https://images.51.la/v5/dist/front-style2.css?v=1571882750358 could save 70.1KiB (81% reduction).
Compressing https://images.51.la/v5/js/vendor/jquery.js could save 62.3KiB (65% reduction).
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Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 510.8KiB (50% reduction).

Compressing https://images.51.la/20190703093615-1.png could save 180.3KiB (46% reduction).
Compressing https://images.51.la/20190531101222-%E5%8A%A8%E6%80%81%E8%B5%84%E8%AE%AF-banner2.jpg could save 142.3KiB (77% reduction).
Compressing https://images.51.la/20190212100727-2.jpg could save 54.9KiB (49% reduction).
Compressing https://images.51.la/20190212103044-3.1.jpg could save 46.7KiB (50% reduction).
Compressing https://images.51.la/20190212100220-1.jpg could save 45.7KiB (50% reduction).
Compressing https://images.51.la/v5/images/index/home-free.png could save 28.4KiB (39% reduction).
Compressing https://images.51.la/v5/images/index/wechat.png could save 4.6KiB (20% reduction).
Compressing https://www.51.la/images/index/wechat.png could save 4.6KiB (20% reduction).
Compressing https://images.51.la/20181129185858-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(3).png could save 2.1KiB (23% reduction).
Compressing https://images.51.la/20181129185940-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(6).png could save 1.2KiB (17% reduction).

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Optimize CSS Delivery of the following:

https://images.51.la/v5/js/vendor/peppermint/peppermint.required.css?v=1571882750358
https://images.51.la/v5/js/vendor/peppermint/peppermint.suggested.css?v=1571882750358
https://images.51.la/v5/dist/front-style2.css?v=1571882750358

Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://images.51.la/20181129185858-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(3).png (expiration not specified)
https://images.51.la/20181129185903-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(4).png (expiration not specified)
https://images.51.la/20181129185940-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(6).png (expiration not specified)
https://images.51.la/20181129185947-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(7).png (expiration not specified)
https://images.51.la/20181129185954-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(8).png (expiration not specified)
https://images.51.la/20181129190007-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(10).png (expiration not specified)
https://images.51.la/20181129190020-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(9).png (expiration not specified)
https://images.51.la/20181129190027-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(11).png (expiration not specified)
https://images.51.la/20181129190043-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(12).png (expiration not specified)
https://images.51.la/20181129190049-%E9%BB%98%E8%AE%A4%E6%A0%87%E9%A2%98_%E8%87%AA%E5%AE%9A%E4%B9%89px_2018.11.29%20(13).png (expiration not specified)
https://images.51.la/20190212100220-1.jpg (expiration not specified)
https://images.51.la/20190212100727-2.jpg (expiration not specified)
https://images.51.la/20190212103044-3.1.jpg (expiration not specified)
https://images.51.la/20190531101222-%E5%8A%A8%E6%80%81%E8%B5%84%E8%AE%AF-banner2.jpg (expiration not specified)
https://images.51.la/20190703093615-1.png (expiration not specified)
https://images.51.la/20190801142040-A1-861***.gif (expiration not specified)
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https://images.51.la/20190828212315-TIM%E5%9B%BE%E7%89%8720190828212416.gif (expiration not specified)
https://images.51.la/20190919144003-QQ%E5%9B%BE%E7%89%8720190919144036.gif (expiration not specified)
https://images.51.la/v5/images/index/home-free.png (expiration not specified)
https://images.51.la/v5/images/index/home-heatmap.png (expiration not specified)
https://images.51.la/v5/images/index/home-online.png (expiration not specified)
https://images.51.la/v5/images/index/home-spider.png (expiration not specified)
https://images.51.la/v5/images/index/home-visit.png (expiration not specified)
https://images.51.la/v5/images/index/wechat.png (expiration not specified)
https://images.51.la/v5/js/vendor/jquery.js (expiration not specified)
https://images.51.la/v5/js/vendor/peppermint/peppermint.min.js (expiration not specified)
https://js.users.51.la/19236546.js (expiration not specified)
https://ssl.captcha.qq.com/TCaptcha.js (10 minutes)
https://ssl.captcha.qq.com/tcaptcha-frame.ae3fc568.js (10 minutes)
https://c.cnzz.com/core.php?web_id=1273154340&t=z (15 minutes)
https://s22.cnzz.com/z_stat.php?id=1273154340&web_id=1273154340 (90 minutes)

Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

网站统计 and 1 others render only 5 pixels tall (14 CSS pixels) .
短链平台 and 5 others render only 5 pixels tall (14 CSS pixels) .
注册 renders only 5 pixels tall (14 CSS pixels).
产品演示 renders only 5 pixels tall (14 CSS pixels) .
网站收录突然下降为0，是怎么回事？ and 2 others render only 6 pixels tall (16 CSS pixels) .
上榜企业估值都在10亿美元以上，创办不超过10年 and 2 others render only 5 pixels tall (13 CSS pixels) .
16年来51LA一如既往地专…分析等四大核心数据统计功能。 and 9 others render only 6 pixels tall (16 CSS pixels) .
操作简单 and 2 others render only 6 pixels tall (16 CSS pixels) .
已服务 renders only 5 pixels tall (14 CSS pixels) .
注册站长 and 1 others render only 5 pixels tall (14 CSS pixels) .
流量波动提醒 and 3 others render only 6 pixels tall (16 CSS pixels) .
前往体验 renders only 5 pixels tall (14 CSS pixels) .
51LA具备四大核心数据统计…年，是一众站长们的制胜法宝！ renders only 6 pixels tall (16 CSS pixels) .
实时访客智能监测 and 3 others render only 7 pixels tall (18 CSS pixels).
了解访客对内容的兴趣程度，合…增加内容粘度提高用户忠诚度。 and 3 others render only 5 pixels tall (14 CSS pixels).
前往体验 and 3 others render only 5 pixels tall (14 CSS pixels).
站群站长 and 5 others render only 7 pixels tall (18 CSS pixels).
通过回头客分析，让我迅速调整营销策略来提高转化率 and 5 others render only 5 pixels tall (14 CSS pixels).
立即注册 renders only 5 pixels tall (14 CSS pixels).
站长交易平台 and 23 others render only 5 pixels tall (14 CSS pixels).
产品中心 and 3 others render only 6 pixels tall (16 CSS pixels).
广告合作：3187548973（官方唯一QQ） and 9 others render only 5 pixels tall (14 CSS pixels).
Copyright © 20…ights Reserved and 10 others render only 5 pixels tall (14 CSS pixels).
| and 1 others render only 5 pixels tall (14 CSS pixels).

Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,200 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <a href="/register" class="ml10 mr30">注册</a> falls outside the viewport.
The element <a href="/login">登录</a> falls outside the viewport.
The element <a href="/report/main?comId=2260177" class="btn mr30">产品演示</a> falls outside the viewport.
The element <a href="https://d.oo14.com/b5X1" class="item da-item"> falls outside the viewport.
The element <h1>1024程序员节日由来</h1> falls outside the viewport.
The element <p>1024程序员节日其实起源于俄罗斯。</p> falls outside the viewport.
The element <img src="https://images…18-3823355.gif"> falls outside the viewport.
The element <img src="https://images…-A1-861***.gif"> falls outside the viewport.
The element <div class="home-title hom…out-title mb15">51LA — 免费的流量统计技术服务提供商</div> falls outside the viewport.
The element <div class="home-title hom…out-title mb40">专业 · 精准 · 易用</div> falls outside the viewport.
The element <p>51LA是国内领先的免费流量…提供第三方数据统计分析服务。</p> falls outside the viewport.
The element <p>操作简单，容易上手，数据精准…把握网站脉搏，了解网站现状。</p> falls outside the viewport.
The element <span class="ml10">统计网站</span> falls outside the viewport.
The element <p>16年来51LA一如既往地专…分析等四大核心数据统计功能。</p> falls outside the viewport.
The element <p>更有流量波动提醒、数据引用、…提供全面的数据统计分析服务。</p> falls outside the viewport.
The element <div class="home-title hom…dvantage-title">功能优势</div> falls outside the viewport.
The element <div class="home-introduce…introduce mt15">51LA具备四大核心数据统计…年，是一众站长们的制胜法宝！</div> falls outside the viewport.
The element <div class="icon home-visit"> falls outside the viewport.
The element <p class="title">全端页面阅读深度</p> falls outside the viewport.
The element <p class="text">了解访客对内容的兴趣程度，合…增加内容粘度提高用户忠诚度。</p> falls outside the viewport.
The element <a href="/report/attrac…?comId=2260177" class="fastlink">前往体验</a> falls outside the viewport.
The element <div class="home-title home-reason-title">使用51LA的六大理由</div> falls outside the viewport.
The element <p class="title">企业网站</p> falls outside the viewport.
The element <p class="text">通过用户来路分析渠道推广效果</p> falls outside the viewport.
The element <p class="title">影视网站</p> falls outside the viewport.
The element <p class="text">可以查看网站实时在线人数，了解网站的访问情况</p> falls outside the viewport.
The element <div class="home-title home-who-title">他们都在使用51LA</div> falls outside the viewport.
The element <img src="https://images….11.29 (8).png"> falls outside the viewport.
The element <img src="https://images….11.29 (4).png"> falls outside the viewport.
The element <div class="home-free-title home-title">马上行动，探索网站数据增长的奥秘</div> falls outside the viewport.
The element <div class="home-title hom…iendlink-title">友情链接</div> falls outside the viewport.
The element <a href="http://www.alexa.cn/" class="da-item">网站排名查询</a> falls outside the viewport.
The element <h3 class="h3 mb20">关注51LA</h3> falls outside the viewport.
The element <img src="//images.51.la…dex/wechat.png"> falls outside the viewport.
The element <div class="lh-l link">用户协议 版权声明 排行榜…广告联系 典型用户 友情链接</div> falls outside the viewport.
The element <div class="lh-l mt5">Copyright © 20…4010602004893号</div> falls outside the viewport.

Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

Configure a viewport for this page.

Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <div class="item feedback"></div> is close to 1 other tap targets.
The tap target <a href="/" class="logo pull-left">网站统计</a> is close to 2 other tap targets .
The tap target <a href="/" class="logo pull-left">网站统计</a> and 1 others are close to other tap targets .
The tap target <a href="/">首页</a> and 5 others are close to other tap targets .
The tap target <a href="/register" class="ml10 mr30">注册</a> is close to 2 other tap targets.
The tap target <a href="/report/main?comId=2260177" class="btn mr30">产品演示</a> is close to 2 other tap targets .
The tap target <li class="peppermint-active-dot"></li> and 4 others are close to other tap targets .
The tap target <a href="https://www.vpsor.cn" class="da-item">硅云</a> and 22 others are close to other tap targets.
The tap target <a href="https://dwz.51.la/" class="text">51LA短链分发平台</a> and 5 others are close to other tap targets.
The tap target <a id="JResetPasswordFromIndex" href="javascript:;">找回密码</a> and 5 others are close to other tap targets.

Minify CSS

Compacting CSS code can save many bytes of data and speed up download and p*** times.

Minify CSS for the following resources to reduce their size by 1.5KiB (30% reduction).

Minifying https://images.51.la/v5/js/vendor/peppermint/peppermint.suggested.css?v=1571882750358 could save 1.2KiB (35% reduction).
Minifying https://images.51.la/v5/js/vendor/peppermint/peppermint.required.css?v=1571882750358 could save 293B (18% reduction).

Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Avoid plugins

Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Minify HTML

Your HTML is minified. Learn more about minifying HTML.

Minify JavaScript

Your JavaScript content is minified. Learn more about minifying JavaScript.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content. Download optimized image, JavaScript, and CSS resources for this page.