The building of trust is reflected in the following aspects:
* About us page: Detailed and true description of the company's background, history, business scope, etc.
* Website registration: Obtain the registration permission from ICP.
* Service process: Let customers fully understand the entire process and make the service more transparent.
* Quotation list: According to different services, the corresponding quotation ranges are given.
* Customer case: Customers are more willing to receive third-party reviews.
* Contact information: Detailed, complete, multiple contact information, and provide location map directions.
* Number of web pages: A substantial number of web pages, the corporate website must be at least 50 pages.
* Original content: Customers don’t like arguments being bandied about.
* Copyright information: Write the copyright information correctly. Statement that the content of this site is protected by law and reproduction is prohibited.
* Privacy protection: Statement to provide privacy protection to customer information and netizen information.
* No typos: When customers see typos, they will think, "The webpage is not proofread, and the service quality is poor."
* Partners: Links to partners and reports on partners' sites.
* Professional terms: Use professional terms appropriately, but do not affect users’ reading, and give simple and easy-to-understand explanations.
* Corporate News: Lists various reports provided by third parties.
* Link check: Make the entire website free of invalid links.
* Appropriate advertising: Do not place irrelevant ads.
* Friendly links: Only links to well-known websites of customers, governments and industries.
* Free consultation: Provide 400 or 800 free telephone consultation, at least online consultation or message book.
* Access speed: Don’t let users and search engines feel that your website is slow.
* Web page color matching: It is recommended to use the colors in the company LOGO.
* Business certificate: Provide company business license, industry license, relevant inspection certificates, legal person photos, etc.
* Company Blog: Multiple people maintain a blog, similar to Google Blackboard. Users trust the content on blogs more.
* Frequently Asked Questions: Create one page based on the issues that customers care about. Don’t have too many pages, and don’t make it into an instruction manual.
* Employee photos: Group photos of company events, reflecting the company’s vitality.
* Stay updated: From time to time, professional articles, media reports, interesting company stories, etc. will be included.
* Consistent style: If it is a collective company, the website layout of the head office, foreign companies, and local companies should be consistent, and the domain name format should be consistent. Websites in different languages cannot be too different.
* Original images: Don’t use images that are found everywhere on the Internet, especially images of customer service calls. If you can afford it, it’s best to buy a professional library.
* Domain name renewal: It is best to register for 10 years at a time and do not renew every year.
* Navigation structure: Don’t make users press the “back” button because they don’t know how to continue.

The main uses of JavaScript in web development include client interaction, form verification and asynchronous communication. 1) Dynamic content update and user interaction through DOM operations; 2) Client verification is carried out before the user submits data to improve the user experience; 3) Refreshless communication with the server is achieved through AJAX technology.

Understanding how JavaScript engine works internally is important to developers because it helps write more efficient code and understand performance bottlenecks and optimization strategies. 1) The engine's workflow includes three stages: parsing, compiling and execution; 2) During the execution process, the engine will perform dynamic optimization, such as inline cache and hidden classes; 3) Best practices include avoiding global variables, optimizing loops, using const and lets, and avoiding excessive use of closures.

Python is more suitable for beginners, with a smooth learning curve and concise syntax; JavaScript is suitable for front-end development, with a steep learning curve and flexible syntax. 1. Python syntax is intuitive and suitable for data science and back-end development. 2. JavaScript is flexible and widely used in front-end and server-side programming.

Python and JavaScript have their own advantages and disadvantages in terms of community, libraries and resources. 1) The Python community is friendly and suitable for beginners, but the front-end development resources are not as rich as JavaScript. 2) Python is powerful in data science and machine learning libraries, while JavaScript is better in front-end development libraries and frameworks. 3) Both have rich learning resources, but Python is suitable for starting with official documents, while JavaScript is better with MDNWebDocs. The choice should be based on project needs and personal interests.

The shift from C/C to JavaScript requires adapting to dynamic typing, garbage collection and asynchronous programming. 1) C/C is a statically typed language that requires manual memory management, while JavaScript is dynamically typed and garbage collection is automatically processed. 2) C/C needs to be compiled into machine code, while JavaScript is an interpreted language. 3) JavaScript introduces concepts such as closures, prototype chains and Promise, which enhances flexibility and asynchronous programming capabilities.

Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.

JavaScript's applications in the real world include server-side programming, mobile application development and Internet of Things control: 1. Server-side programming is realized through Node.js, suitable for high concurrent request processing. 2. Mobile application development is carried out through ReactNative and supports cross-platform deployment. 3. Used for IoT device control through Johnny-Five library, suitable for hardware interaction.

I built a functional multi-tenant SaaS application (an EdTech app) with your everyday tech tool and you can do the same. First, what’s a multi-tenant SaaS application? Multi-tenant SaaS applications let you serve multiple customers from a sing


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