Caching Score: https://mainstagerehearsal.com/

Summary

GradeF

12/254

Requested URL checks

What is this check, and why should you care

Using a caching proxy is extremely useful for caching purposes.

Maximum possible points

50

What is this check, and why should you care

Using a CDN is extremely useful for caching purposes.

Maximum possible points

50

What is this check, and why should you care

The time that it takes for a user's browser to receive the first byte of page content.

The lower the TTFB, the faster your site will be perceived by the end user.

In order to get maximum points, your TTFB must be less than or equal to 30ms. If your TTFB is more than 1 second then you get no points here.

Maximum possible points

50

What is this check, and why should you care

Using ETag identifiers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. This mechanism allows caches to be more efficient and saves bandwidth, as a Web server does not need to send a full response if the content has not changed. HTTP 304 responses are used to indicate this is working.

No ETag header was found in the response.

See the Wikipedia page on ETag for more background.

In order to get maximum points, you need to have ETag identifiers and an HTTP 304 response must be received when using a valid If-None-Match request header.

Maximum possible points

30

What is this check, and why should you care

Using Last-Modified headers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. HTTP 304 responses are used to indicate this is working.

No Last-Modified header was found in the response.

Maximum possible points

30

What is this check, and why should you care

Caching HTTP 404s is a great way to offload requests from your origin.

In order to get maximum points, you need to have the ability to cache an HTTP 404 for any amount of time.

This check requested the URL https://mainstagerehearsal.com/cachingscorebrokenurltest.

Maximum possible points

20

Image checks

Performed on the asset: https://mainstagerehearsal.com/wp-content/uploads/2022/03/studio_3_4616.jpg

See the HTTP headers for this image file.

What is this check, and why should you care

Using ETag identifiers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. This mechanism allows caches to be more efficient and saves bandwidth, as a Web server does not need to send a full response if the content has not changed. HTTP 304 responses are used to indicate this is working.

An HTTP request with the request header If-None-Match with a value of "e1cc-61529cb5d5d80" was sent, and an HTTP 304 was responded with.

See the Wikipedia page on ETag for more background.

In order to get maximum points, you need to have ETag identifiers and an HTTP 304 response must be received when using a valid If-None-Match request header.

Maximum possible points

3

What is this check, and why should you care

Using Last-Modified headers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. HTTP 304 responses are used to indicate this is working.

An HTTP request with the request header If-Modified-Since with a value of Wed, 03 Apr 2024 04:38:30 GMT was sent, and an HTTP 304 was responded with.

Maximum possible points

3

CSS checks

Performed on the asset: https://mainstagerehearsal.com/wp-content/plugins/booknetic/app/Frontend/assets/css/bootstrap-booknetic.css?v=4.1.7&ver=6.7.1

See the HTTP headers for this CSS file.

What is this check, and why should you care

Using Last-Modified headers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. HTTP 304 responses are used to indicate this is working.

An HTTP request with the request header If-Modified-Since with a value of Sat, 01 Feb 2025 21:02:46 GMT was sent, and an HTTP 304 was responded with.

Maximum possible points

3

What is this check, and why should you care

Using ETag identifiers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. This mechanism allows caches to be more efficient and saves bandwidth, as a Web server does not need to send a full response if the content has not changed. HTTP 304 responses are used to indicate this is working.

An HTTP request with the request header If-None-Match with a value of "13ed-62d1afb2bb374-gzip" was sent, but an HTTP 304 was not responded with. So you have Etags, but they are not doing anything.

See the Wikipedia page on ETag for more background.

In order to get maximum points, you need to have ETag identifiers and an HTTP 304 response must be received when using a valid If-None-Match request header.

Maximum possible points

3

Javascript checks

Performed on the asset: https://mainstagerehearsal.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1

See the HTTP headers for this Javascript file.

What is this check, and why should you care

Using Last-Modified headers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. HTTP 304 responses are used to indicate this is working.

An HTTP request with the request header If-Modified-Since with a value of Wed, 03 Apr 2024 04:38:18 GMT was sent, and an HTTP 304 was responded with.

Maximum possible points

3

What is this check, and why should you care

Using ETag identifiers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. This mechanism allows caches to be more efficient and saves bandwidth, as a Web server does not need to send a full response if the content has not changed. HTTP 304 responses are used to indicate this is working.

An HTTP request with the request header If-None-Match with a value of "15601-61529caa64280-gzip" was sent, but an HTTP 304 was not responded with. So you have Etags, but they are not doing anything.

See the Wikipedia page on ETag for more background.

In order to get maximum points, you need to have ETag identifiers and an HTTP 304 response must be received when using a valid If-None-Match request header.

Maximum possible points

3

Font checks

Performed on the asset: https://mainstagerehearsal.com//mainstagerehearsal.com/wp-content/themes/Divi/core/admin/fonts/modules/all/modules.eot

See the HTTP headers for this Javascript file.

What is this check, and why should you care

Using ETag identifiers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. This mechanism allows caches to be more efficient and saves bandwidth, as a Web server does not need to send a full response if the content has not changed. HTTP 304 responses are used to indicate this is working.

No ETag header was found in the response.

See the Wikipedia page on ETag for more background.

In order to get maximum points, you need to have ETag identifiers and an HTTP 304 response must be received when using a valid If-None-Match request header.

Maximum possible points

3

What is this check, and why should you care

Using Last-Modified headers is an easy way to ensure your visitors are always getting the most up-to-date version of the content. HTTP 304 responses are used to indicate this is working.

No Last-Modified header was found in the response.

Maximum possible points

3

HTTP Response headers

Name Value
Status Code HTTP 200
Cache-Controlmax-age=600
Content-Typetext/html; charset=UTF-8
DateThu, 06 Feb 2025 12:03:49 GMT
ExpiresThu, 06 Feb 2025 12:13:49 GMT
ServerApache
Transfer-Encodingchunked
VaryAccept-Encoding,User-Agent
x-encoded-content-encodinggzip

If you want to do this yourself

You can use the following cURL command:

curl -sLIXGET  'https://mainstagerehearsal.com/' | sort