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The webpage loading speed cannot exceed 3 seconds!

more dangerous than those that you have recognized. We started a detailed investigation and saw the result: Connecting these with other results makes everything clear. Cucumbertown is a food channel in Nigeria and a quality blog in Thailand, making it popular in different regions. But as you can see, page loading times in these countries are not normal. Cucumbertown is an asset-heavy website. although we have postponed all operations on requieJS and actively loaded JavaScript as needed, we hav

WordPress Blog Install Redis cache

/index-with-redis.php[[email protected] src]# chown PHP-FPM:PHP-FPM index-with-redis.php [[email protected] src]# MV predis.php Index-with-redis.php/data/www/blogModify the index-with-redis.php to suit your needs, as follows:$CF = 0;Set to 1 if you is using Cloudflare$debug = 1;Set to 1 if you wish to see execution time and cache Actions$display_powered_by_redis = 0; Set to 1 if your want to display a powered by Redis message with execution time, see

How to Set HTTPS policies for old browsers

used in SSL handshake. ECDHE-ECDSA-CHACHA20-POLY1305 is its name, after several parts are expressed: For TLSv1.2, using ECDH for key exchange, using ECDSA for authentication, using ChaCha20-Poly1305 for symmetric encryption, because ChaCha20-Poly1305 is a AEAD mode, MAC algorithms are not required, so the MAC column is displayed as AEAD. To learn more about CipherSuite, read the long article "TLS protocol analysis and modern encrypted communication protocol design". In short, when configuring C

A brief talk on JavaScript-based DDoS attacks

CloudFlare the oldest and most common attack against non-DDoS attacks by protecting millions of websites. In traditional DDoS attacks, attackers control a large number of puppet machines and then send a large number of requests to the target server to prevent legitimate users from accessing the site.However, DDoS attacks have been evolving in recent years: attackers tricked users into attacking activities in a new and interesting way. Last year

Nginx and Lua execution sequence in Linux

1.1. Introducengx_lua– embeds the Lua language into Nginx, enabling it to support LUA to quickly develop business logic based on NginxThe module is not in the Nginx source package, it needs to download and compile the installation itself. Use LUA 5.1 (currently does not support LUA 5.2) or Luajit 2.0.After adding LUA support, the development of complex modules, the cycle is fast, still 100% asynchronous non-blocking. Ngx_lua which people are using:Taobao, Tencent Finance, NetEase Finance, 360,

Web page load speed can not exceed 3 seconds!

different regions. But as you can see, the pages in these countries are a little bit abnormally low. Cucumbertown is an asset-heavy web site, and although we postponed all the action on Requiejs and then actively loaded JavaScript on demand, we made a lot of effort to load the underlying script. We have confirmed that Cucumbertown's loading time in the United States is 2.5 seconds, compared to other countries this is simply the speed of light, DSL equipment around the world a week delay is 43

(Android Review) Basic use of ContentProvider

-gt ;. apk, install, open process (open main thread), * Create a Providertest object (the way the member variable is here GetContext (), when there is no GetContext ()), SetContext () Test method, GetContext () */public void Test1 () {Contentresolver resolver = GetContext (). Getcontentresolver ();//Note that It is not possible to speak resolver as a global variable contentvalues values = new Contentvalues

"Go" analysis of the Django Framework architecture and Request/response processing process

URL. It looks for a configuration in the config file called root_urlconf, uses this configuration with the root URL/, as a parameter to create an instance of Django.core.urlresolvers.RegexURLResolver, and then calls its resolve method to resolve the requested URL path.The URL resolver follows a fairly simple pattern. For each entry in the Urlpatterns list that is generated in the URL configuration file based on the configuration of root_urlconf, it c

SPRINGMVC Working principle

First, the main components of SPRINGMVC Front-end Controller (disatcherservlet): receives a request, responds to a result, returns a data type that can be json,string, or it can be a page (Model). Processor Mapper (handlermapping): to find a processor based on a URL, typically through an XML configuration or annotation. Processor (Handler): That's what we often call controller controllers, written by programmers. Processor Adapter (handleradapter): The processor can be packa

SSM Framework-----Spring MVC Chapter

--modelandview (processing results are encapsulated to this object) (processing result = data + view name) (view name JSP can also be decoupled with other techniques instead of implementation)View Resolver--viewresolver (resolve view name)how 1.2 Spring MVC worksSPRINGMVC process1, the user sends the request to the front controller dispatcherservlet.2. Dispatcherservlet received a request to call the Handlermapping processor mapper.3, the processor ma

Android four components of the--contentprovider (ii)

Content Resolver Introduction:This is defined in the developer documentation: This class provides applications access to the content model. This class provides the app with the ability to access the content model. Content resolver is a single global instance of our application that provides us with content Provider for accessing our own applications or other applications. As the name descr

Specify a DNS server for nginx

Resolver Resolver 192.168.1.6.2; # Internal DNS Server Server {Listen111.222.333.444: 80;SERVER_NAME* .Qwemgh.com; Location /{Proxy_pass http: // $ host;}} The resolver cannot specify multiple DNS servers, Resolver 192.168.1.20.192.168.1.250; Resolver 192.168.1.6.2,

Android query system contact information

= Uri. parse ("content: // com. android. contacts/contacts ");ContentResolver resolver = getContext (). getContentResolver ();Cursor cursor = resolver. query (uri, new String [] {"_ id"}, null );While (cursor. moveToNext ()){Int contractID = cursor. getInt (0 );StringBuilder sb = new StringBuilder ("contractID = ");Sb. append (contractID );Uri = Uri. parse ("content: // com. android. contacts/" + contractI

How to add a menu for setting dual-card ringtones in android Music

\ settings \ src \ com \ mediatek \ audioprofile \ DefaultRingtonePreference. whether java's onClick () has "setSimId (simList. get (0 ). mSimId); "indicates that the sim id is added when a single card is used. If there is a sim id, please refer to this article for the following modifications. If there is no next B) modification ,: Static void setRingtone (Context context, long id, int slotID ){ ContentResolver resolver = context. getContentResolver

Set ringtones for Android

) return null;// Call the corresponding method www.2cto.com in the static internal class System of the Settings class.Final String uriString = Settings. System. getString (context. getContentResolver (), setting );Return uriString! = Null? Uri. parse (uriString): null;}Public synchronized static String getString (ContentResolver resolver, String name ){// MOVED_TO_SECURE is a set of hashsets defined in the System class. When the Android System is star

Install Redis cache on WordPress blog

: [Root @ localhost src] # wget https://gist.githubusercontent.com/JimWestergren/3053250/raw/d9e279e31cbee4a1520f59108a4418ae396b2dde/index-with-redis.php[Root @ localhost src] # chown php-fpm: php-fpm index-with-redis.php[Root @ localhost src] # mv predis. php index-with-redis.php/data/www/blog Modify the index-with-redis.php as needed as follows:$ Cf = 0; // set to 1 if you are using cloudflare$ Debug = 1; // set to 1 if you want to see execution ti

IIS latest high risk vulnerability (CVE-2015-1635, MS15-034) POC and Online Detection source code

. '; fixed. '; Case self: NOT_VULN: return'; the patch status cannot be identified ';. $ host.';. IIS is not used and the vulnerability may not exist. '; Case self: NOT_VULN_MS: return'; the patch status cannot be identified ';. $ host.';. The vulnerability may not exist. '; Case self: NOT_VULN_CF: return';. $ host. '; CloudFlare CDN acceleration may be used, leading to vulnerability detection or non-existent. ';} Return'; seems to be broken '; ;}$ ho

From F to A +: how to get A high score in the website security evaluation?

://ajax.cloudflare.com; img-src 'self' https://ssl.google-analytics.com ; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.googleapis.com https://fonts.gstatic.com; object-src 'none'"; After I restart my nginx server, securityheaders is displayed. i/O's current security rating for the website: Get A + (enable HPKP) HPKP working mechanism: it will allow the browser to automatically query the HPKP header, check whether these pin codes match the SPKI

How to Set HTTPS policies for old browsers

symmetric encryption, because the ChaCha20-Poly1305 is a AEAD mode, MAC algorithms are not required, so the MAC column is displayed as AEAD. To learn more about CipherSuite, read the long article "TLS protocol analysis and modern encrypted communication protocol design". In short, when configuring CipherSuite, you must refer to the authoritative documentation, such as the recommended configuration of Mozilla and the configuration used by CloudFlare.

Today, the host cannot be accessed, prompting that the traffic exceeds the threshold.

Today, I found that the host could not be accessed. I thought there was something wrong with burst. I wrote an email asking why. I accidentally saw an email written by burst in my inbox, the title is that the traffic usage exceeds the standard. I can only use surprise to describe this email, because the traffic of the purchased VPs is 1000 GB/month. How can this problem be solved? What surprised me more, I used veportal to check that the traffic usage was 23424.44 GB. I relied on it for more tha

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