Table of Contents Preface 1. Selection of high-defense CDN 1. Acceleration performance 2. Resistance to attacks 3. Global coverage capabilities 4. Reliability and stability 2. Selection of high-defense IP 1. Defense capability 2. Service quality 3. Security 4. Price 3. Comparison of the advantages and disadvantages of high-defense CDN and high-defense IP 1. Advantages and […]
Tag: cdn
Aliyun cdn access log download
1. Log download code (cdn.py) (please run under Linux system) #!/usr/bin/python2.7 # -*- coding:utf-8 -*- import sys,os,gzip,json,requests,urllib import base64,hmac,time,uuid,ConfigParser from hashlib import sha1 download_path=os.path.join(os.path.dirname(os.path.abspath(__file__)),”download”) cdn_server_address = ‘https://cdn.aliyuncs.com’ class read_config(object): ”’ Parse configuration file ”’ def __init__(self): self._CONFIGFILE=os.path.join(os.path.dirname(os.path.abspath(__file__)), “aliyun.ini”) self._config=ConfigParser.ConfigParser() self._config.read(self._CONFIGFILE) self._access_id = self._config.get(‘Credentials’, ‘accesskeyid’) self._access_key = self._config.get(‘Credentials’, ‘accesskeysecret’) self._Action = self._config.get(‘Must’, ‘Action’) self._DomainName = self._config.get(‘Must’, […]
vue optimizes first screen loading time optimization-cdn introduces third-party packages
Foreword Why should we optimize the first screen loading? Because as our static resources and third-party packages and codes increase, the package will become larger and larger after compression. With the influence of the network, when we first enter the URL to request resources, the network is blocked, the loading time is long, and the […]
Data collection: Selenium obtains CDN merchant ranking information of a website
Write in front Encountered at work, easy to organize If you don’t understand enough, please help me to correct For everyone, there is only one true responsibility: to find yourself. Then stick to it in your heart for the rest of your life, wholeheartedly, and never stop. All other roads are incomplete, they are ways […]
PublicDNS service provider increases bytes and will support protocols such as DoH/DoT/DoQ
Article directory BytesPublic DNS DNS basic concepts DNS Recursive parsing Authoritative DNS server Local DNS server Advantages of Public DNS high performance reliable Safety What is DoH protocol Turn on DNS over HTTPS in Chrome What is DoT protocol TLS transmission process What is DoQ protocol Check if your device can access the public resolution […]
Directly introduce the CDN of Vue.js in html to realize the combined API of Vue3
The combined API of Vue3 uses the setup function to write component logic. The setup function is an option API used in Vue3 to replace Vue2 (such as data, methods code> etc.). In the setup function, you can access some special responsive objects and return some data, methods, etc. that can be used in the […]
The volume of CDN resource back-to-source requests triggered by a slash soars
background One quiet night, I suddenly received an abnormal CDN back-to-source request from my friend on the phone line. The specific performance was a surge in requests, accompanied by a small number of 404 requests. The soaring request for back-to-source requests had lasted for two days but had not been discovered until recently. After analyzing […]
Reverse proxy cache server Squid, Nginx, CDN deployment explanation
Table of Contents 1. Squid reverse proxy 1.1 Concept 1.2 Working Mechanism 1.3 Build 2. Nginx reverse proxy cache 3. CDN 3.1 CDN is a concept 3.2 Advantages of CDN 3.3 Related technologies of CDN 3.3.1 Load balancing technology 3.3.2 Dynamic Content Distribution and Replication Technology 3.3.3 Caching Technology CDN working process 1. Squid reverse […]
Front-end optimization solution-CDN optimization
The front-end CDN optimization scheme mainly includes: 1: The domain name for loading resources uses CDN: Static resources referenced in the front-end page, such as css, js, pictures, etc., can be accelerated by CDN. Upload the resource to the CDN, and then refer to the resource link on the CDN in the page. http://www.example.com/images/logo.png The […]
The volume of CDN resource back-to-source requests triggered by a slash soars
background One quiet night, I suddenly received an abnormal CDN back-to-source request from my friend on the phone line. The specific performance was a surge in requests, accompanied by a small number of 404 requests. The soaring request for back-to-source requests had lasted for two days but had not been discovered until recently. After analyzing […]