Tulkot "expires headers is afkomstig" uz Angļu

EN The Expires header indicates that it can be cached for 10 minutes (the difference between the Expires and Date headers)

• Expires header indicates
• cached for minutes
• Date headers

EN 55.5% are served with an Expires header, 54.8% use both Cache-Control and Expires header, and 25.6% did not include either header

• header
• both Cache-Control
• Expires header
• did not include

EN In mobile, 73.5% of responses are served with a Cache-Control header, 56.2% are served with an Expires header, 55.4% use both Cache-Control and Expires header, and 25.6% did not include either header.

• mobile
• responses are served
• Cache-Control header
• header
• both Cache-Control
• Expires header
• did not include

EN 56.3% are served with an Expires header, 55.2% use both Cache-Control and Expires header, and 26.7% did not include either header

• header
• both Cache-Control
• Expires header
• did not include

EN In mobile, 71.7% of responses are served with a Cache-Control header, 56.4% are served with an Expires header, 55.5% use both Cache-Control and Expires header, and 27.4% did not include either header.

• mobile
• responses are served
• Cache-Control header
• header
• both Cache-Control
• Expires header
• did not include

EN One large source of invalid Expires headers is from assets served from a popular third party, in which a date/time uses the EST time zone, for example Expires: Tue, 27 Apr 1971 19:44:06 EST

• popular third party
• date
• uses the EST
• zone
• example Expires
• Tue
• Apr EST

EN A bar chart showing the usage of Cache-Control and Expires headers

• bar chart showing
• usage of Cache-Control
• Expires headers

EN Figure 20.3. Usage of Cache-Control and Expires headers.

• Figure
• Usage of Cache-Control
• Expires

EN As we can see 73.5% of mobile responses are served with a Cache-Control header, and 56.2% of responses are served with an Expires header and nearly all of those (55.4%) will not be used as the responses include both headers

• Cache-Control header
• responses are served
• Expires header
• include both headers

EN Figure 20.4. Usage of Cache-Control and Expires headers in 2019.

• Figure
• Usage of Cache-Control

EN What was very surprising to see though, was that a relatively high 2.94% of Expires headers used an invalid date format (2.5% in desktop).

• though
• date format
• desktop

EN Header compression is especially helpful for users of news clients which download all headers the first time a group is accessed, such as Newsbin.

• helpful for users
• group is accessed

EN Browsers send a variety of HTTP headers. This list contains the most common HTTP headers you will see coming from regular browsers and bots like the crawlers from the major search engines.

• HTTP headers
• common HTTP headers
• coming from regular
• major search

EN Browsers send a variety of HTTP headers. This list contains the most common HTTP headers you will see coming from regular browsers and bots like the crawlers from the major search engines.

• HTTP headers
• common HTTP headers
• coming from regular
• major search

EN Logos and components for custom headers, such as titles and buttons or headers [?]

• Logos
• components for custom
• titles
• buttons
• headers

EN Alt-Svc was typically used to indicate support for HTTP/3 (74.6% of Alt-Svc headers) or gQUIC (38.7% of Alt-Svc headers).

• Alt-Svc was typically
• Alt-Svc headers
• gQUIC

EN The two HTTP response headers typically used for specifying freshness are Cache-Control and Expires:

• two HTTP response
• freshness are Cache-Control

EN Expires specifies an explicit expiration date and time (i.e. when exactly the content expires)

• expiration date
• exactly the content

EN In the early HTTP/1.0 days of the web, the Expires header was the only cache-related response header

• early HTTP
• cache-related response header

EN The Expires header can be thought of as a blunt instrument. If a relative cache TTL is required, then processing must be done on the server to generate an appropriate value based upon the current date/time.

• blunt instrument
• relative cache TTL
• required
• then processing must
• generate an appropriate
• date

EN The Cache-Control header provides much more extensibility and flexibility than Expires via caching directives, several of which can be specified together

• Cache-Control header provides
• extensibility
• flexibility than Expires
• caching directives
• specified together

EN Since Cache-Control takes precedence over Expires, the browser will cache the response for 5 minutes, after which it will be marked as stale.

• Since Cache-Control takes
• Expires
• browser will cache
• response for minutes

EN The max-age directive is the most commonly-found, since it directly defines the TTL, in the same way that the Expires header does.

• commonly-found
• since it directly
• TTL
• Expires header

EN In the same way that the Cache-Control header has more power and flexibility than the Expires header, the ETag header is in many ways an improvement over the Last-Modified header. There are two reasons for this:

• power
• header
• ways an improvement
• Last-Modified header

EN The Expires header is used to indicate for how long a resource is cacheable.

EN 0.1% of desktop responses have an invalid date in Date, 0.5% in Last-Modified and 2.5% in Expires

• Last-Modified
• Expires

EN The stats for mobile are very similar with 0.1% of responses have an invalid date in Date, 0.7% in Last-Modified and 2.9% in Expires.

• stats for mobile
• date in Date
• Last-Modified

EN Examples of some of the invalid uses of the Expires header are:

• Expires header

EN 28.4% are cached heuristically because of a lack of either a Cache-Control or Expires header and 58.8% are cached for more than 0 seconds.

• cached heuristically because
• lack of either
• Cache-Control
• Expires header

EN The response from any jQuery-initiated Ajax request on the page will contain various debugging information in its headers. PHP errors also get output to the browser?s developer console.

• page will contain
• headers
• developer

EN Add the request and response HTTP headers to the Request panel.

• Add the request
• response HTTP headers
• Request

EN Presence or absence of HTTP headers (X-Frame-Options, CSP, nosniff, etc.). These are considered security best practices and therefore we do not classify them as vulnerabilities.

• Presence
• absence of HTTP
• X-Frame-Options
• CSP
• nosniff

EN The absence of these headers on non-sensitive cookies is not considered a security vulnerability.

• considered a security

EN Every time your web browser opens a page, it sends a request that includes a series of HTTP headers. Instantly check which ones the current page is sending.

• sends a request
• includes a series
• HTTP headers

EN Visualize all your header tags so you can review them right away. Check if you have any short header tags to see if you can add any relevant keywords. All your H1 to H6 headers will be marked on the page so you can locate them quickly.

• review them right
• short header tags
• add any relevant

EN These pages have been submitted to Google through an XML sitemap, but they have a ?noindex? directive either in meta robots tag or HTTP headers.

• sitemap
• noindex
• robots tag
• HTTP

EN Default: By default the message body is stripped and only the headers are stored

• Default
• default the message
• stripped
• headers are stored

EN You can crop to pre-defined formats for Facebook, Instagram or Twitter headers or make custom crops

• crop to pre-defined
• Facebook
• Instagram
• Twitter headers
• custom crops

EN View page code and HTTP headers without leaving Sitechecker

• View page code
• HTTP headers without
• Sitechecker

EN The Giganews Accelerator is a software-based news proxy which will allow you to compress headers and enable 256-bit SSL encryption, regardless of whether or not SSL is supported natively by your news client

• software-based news proxy
• headers
• enable SSL encryption
• regardless of whether
• SSL is supported
• news client

EN The Giganews Accelerator is a software-based news proxy which will allow you to compress headers and enable 256-bit SSL encryption, regardless of whether or not SSL is supported natively by your news client

• software-based news proxy
• headers
• enable SSL encryption
• regardless of whether
• SSL is supported
• news client

EN Real-time scanning of all inbound emails to detect header anomalies, domain similarity, sender spoofing and suspect email body content.

• header anomalies
• domain similarity
• sender spoofing
• suspect email body

EN You can manually update the look or let the styling come from the page, as the Channels player recognises the styling of the website, like colours, fonts and headers, and uses this during implementation.

• let the styling
• page
• Channels player recognises
• colours
• fonts
• headers
• uses this during

EN Encrypted email transfer via SSL/TLS with anonymous email headers

• Encrypted email transfer
• SSL
• TLS with anonymous
• headers

EN This breakout board makes it easy to use Toshiba?s TB67S249FTG microstepping bipolar stepper motor driver, which features adjustable current limiting and seven microstep resolutions (down to 1/32-step).

• breakout board makes
• microstepping bipolar stepper
• driver
• features adjustable current
• seven microstep resolutions

EN Those HTTP information headers do not only contain information about the page that has to be retrieved, but also contain configuration and system information of the browser and of the computer the browser is running on

• retrieved
• contain configuration
• browser
• computer the browser

EN Proper use of these HTTP headers by web servers can however improve the user experience significantly by matching the response as close as possible to the user and browser preferences

• servers can however
• user experience significantly
• matching the response
• close as possible
• user
• browser preferences

EN DKIM uses public-key cryptography to bind a piece of text to an authorized sender by adding a signature to email headers and other message components

• DKIM uses public-key
• bind a piece
• sender by adding
• signature to email
• message components

EN For the analysis, Friendly Captcha analyses the following log data (request headers User-Agent, Origin and Referer, the puzzle itself, the version of the widget, a timestamp

• analysis
• Friendly Captcha analyses
• request headers User-Agent
• Origin
• Referer
• puzzle itself
• timestamp

EN System level operations using inbuilt headers

• System level operations
• inbuilt headers