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当PageSpeed Insights检测到网页上的文字太小而难以辨认时，就会触发此规则。 概览 You can use the followingFour commonly used unitsTo specify the page font size: pixels (px), dots (pt), em (em), and percentages (%). 像素即“CSS像素”，会因设备尺寸和密度而异。 点是相对于像素而定义的。一个像素是0.75点*. EM and Percentage are "relative" units: These are relative to...

当PageSpeed Insights检测到某些点按目标（例如按钮、链接或表单字段）可能过小或距离过近，以致用户不方便在触摸屏上点按时，就会触发此规则。 概览 If the links or buttons are too small or crowded, clicking on these objects on the touch screen can be more laborious than using a traditional mouse cursor. In order to avoid the trouble of accidentally pressing the...

当PageSpeed Insights检测到网页内容不适合在指定尺寸的视口内水平显示，而强制用户水平移动网页以查看所有内容时，就会触发此规则。 概览 On desktop and mobile devices, users are accustomed to scrolling through websites vertically (rather than horizontally), and forcing users to scroll horizontally or zoom out to view the full web page can bring poor...

当PageSpeed Insights检测到您的网页未指定视口，或者指定的视口不适合不同设备时，就会触发此规则。 概览 Viewport can control how web pages are displayed on mobile devices. If no viewport is specified, the mobile device renders the Web page to the width of a typical desktop screen and adjusts the Web page to fit the screen size. By...

This rule is triggered when PageSpeed Insights detects that you are using a synchronous version of the script instead of an asynchronous version. Overview Using asynchronous scripts means that the system can render your web page more quickly, rather than forcing users to wait for the script to...

This rule is triggered when PageSpeed Insights detects that your HTML refers to a system-blocked external JavaScript file (located in the first part of the page). Overview The browser must parse the web page before it can be rendered to the user. If the browser encounters an external script...

This rule is triggered when PageSpeed Insights detects that the system needs to make more network round trips to render the first screen content of a web page. Overview If the amount of data required exceeds the limit of the initial congestion window, the system needs to make more round trips...

This rule is triggered when PageSpeed Insights detects that a Web page contains an external style sheet that prevents rendering, which delays the display of content on the screen. Overview The browser blocks the external CSS file before the screen displays the content. This causes additional...

This rule is triggered when PageSpeed Insights detects that a picture on a Web page can be optimized to reduce its size without significantly affecting its visual effect. Overview Minimize the picture size to reduce the time users wait for resources to load. Formatting and compressing pictures...

This rule is triggered when PageSpeed Insights detects that one of your resources can be reduced in size by a reduction operation. Overview Reducing resource size means removing unnecessary bytes (for example, redundant spaces, newlines, and indentation). Compressing HTML, CSS, and JavaScript...

This rule is triggered when PageSpeed Insights detects that your server response does not contain an explicit cache header or that some resources are specified to be cached only for a short period of time. Overview Browser caching of static resources can save users time if they visit your site...

This rule is triggered when PageSpeed Insights detects that your server response time exceeds 200 milliseconds. Overview Server response time represents the time needed to load the necessary HTML to start rendering the web page hosted by the server, minus the network latency between Google and...

This rule is triggered when PageSpeed Insights detects that a compressed resource on a Web page is not provided with HTTP compression. Overview Many network servers can compress files into a file by calling a third-party module or using a built-in program gzipFormat, and then send the compressed...

This rule is triggered when PageSpeed Insights detects that you used multiple redirects during the transition of the specified URL to the final destination page. Overview Because redirects trigger additional HTTP request response cycles and add additional round-trip time latency, it is critical...

Responsive layout is a concept proposed by Ethan Marcotte in May 2010. In short, it means that a website can be compatible with multiple terminals-instead of making a specific version for each terminal. This concept was born to solve the problem of mobile Internet browsing. Responsive layout can...

As the name implies, within Party A's customer budget, we integrate various marketing channels and marketing methods to provide a foreign trade marketing mix package with high cost performance. The main integrable marketing methods are: SEO（搜索引擎优化）。 SEM（搜索引擎营销，包含SEO和搜索引擎广告，如Google Ads）。 SNS...

The full name of CDN is Content Delivery Network, that is, content distribution network. The basic idea is to avoid bottlenecks and links on the Internet that may affect the speed and stability of data transmission as much as possible, so as to make content transmission faster and more stable. By...

对外贸企业来说，一个属于自己的优质外贸企业网站是现代外贸营销的核心与基础，也是性价比较高的外贸网络营销投资方案和外贸企业出口业绩倍增的关键，提升外贸营销活动的客户转化率。 外贸企业无论是采用展会营销、平面广告、网络推广还是邮件营销，都避免不了国外买家通过网站来了解自己公司的实际情况。此时，优质的外贸企业网站则可以提升各类外贸营销活动的客户转化率，还可以通过Google SEO优化推广等渠道，带来大量优质对口的外贸询盘和订单。 ...

什么是谷歌（Google）优化? SEO, 英文全称"Search Engine Optimization", 中文翻译为“搜索引擎优化”。 Google SEO(谷歌优化)，是针对Google搜索引擎进行的“搜索结果优化”，是指根据Google搜索引擎的搜索排名规则进行网站的规划，网页的设计，以确保网站从网站框架、程序结构、内容编辑、链接建设等尽量符合Google排名规则，从而使网站或网页能在Google搜索结果中获得比较靠前的排名位置，让更多的潜在客户在Google上搜寻产品时，能够很快地找到相关网站和网页，从而获得更好的谷歌搜索营销效果。 ...

Advantages of Google Keyword Advertising (Google AdWords) Wide Coverage: Promote on search and web platforms on Google worldwide. Accurate positioning: Target the target customer group and make it easy for potential customers to find your door. 成本可控：仅当用户点击广告时，您才支付费用。 杰赢谷歌海外推广(Google...

Foreign trade email marketing is one of the foreign trade network marketing methods with low cost and high reporting rate. The professional foreign trade email marketing advocated by Jieying Network can enhance the brand image of foreign trade companies, take into account the development of new...