HTTP Headers Analysis for https://www.gestro.dev

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Basic

base-uri; object-src; report-uri; +3 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

origin

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

none

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site,Accept-Encoding

accept-ranges: none
connection: close
transfer-encoding: chunked
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site,Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache, no-store, max-age=0, must-revalidate

Expires

Caching

Mon, 01 Jan 1990 00:00:00 GMT

Pragma

Caching

no-cache

cache-control: no-cache, no-store, max-age=0, must-revalidate
expires: Mon, 01 Jan 1990 00:00:00 GMT
pragma: no-cache

Content Headers

Content-Type

Content

text/html; charset=utf-8

content-type: text/html; charset=utf-8

Server Headers

Server

ESF

server: ESF

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Wed, 13 May 2026 04:37:45 GMT

Document-Policy

Other

include-js-call-stacks-in-crash-reports

Reporting-Endpoints

Other

default="/web-reports?jobset=prod&wcrumsspbp=false&bl=editors.sites-viewer-frontend_20260506.01_p3&app=25&clss=1&context=eJwN0ntczXkeBvDTOb_f802dSqdzlCbJL3JK0pglVFNNUpOdxmXsaeq17iG55s6uy5osXmuHRdi5RLKiJGrIGKaR2zCkweSSMBKlOp2TdE4N7fPH-4_n89_zvD5Om3U5jibVMWeTapzepPqM3LebVP3o3V6TynWfSSXlmlR6ijxpUlU0mVS3aVn_ZFUWjRpUrXpHCK5W-VLU71Z1PJk3tKs7aFVGh3oD_RxhU1fRD5E29UV6k2ZTv6PDW23q4zT9ml09l3qnvFP3owWqbvVysvl0q1V9utWvV3ar_6AZ-9WaDPpgokYTTlEbNJp4mvBco0mhleZR0npS742QnOhMYYT0EyWMiJTGUZlPjFROlsQYyU4P13wkPaPdi2Klb2jG8lgpg9TFsZITjTwVK8XQiLlxUjQNWBwnDaYv6uOkf1HysDHSVNr173gpj150xEtmys1IkI7SM93H0iuqEYlSHa2YmCOvo6dzcuQGunc6R35CVW375fvk92mubKRpNQfldPq7-aCcRWfn5MkVdHRennySrj3Lk38lrxOHZD-6kfQ_-S65ZB2WDaTzype9qXfffLkfGT_Pl0NJKcyXJzQelVNoDW2kI0kF8gnKnFEkr6bG-UWyldxWNMqelBzVJE-l1AtN8gy6m9wsPyK3r5plT-o6rIUmX4tiNxeUUUCZC0Ko-qIrHtMnOW6YRAUv3VFCcxrdsYhEqA5u9H2RDhfIQfFADyoJ88BZih7hgQQqmcZMQx_pMYoMSQb0of-sNuC_9GKTAWZal9sL_6SBNb0whJzmeUJHnQs84bTQE1v8vLCDZg_zQkOaFyxUeswLP5DtZy-ornnhbwd64wu6k9sbNbRiqzfW0Tcd3jhEddvfQxOlJvpgKgVe9MH79LjAF1cf-OIGGc2-CKVJFl-k0AN6TKdS--LMrL44T41r-8JMjaV9YaWxwg8T6VW6H1rK_PCG1hzsh41U9LQfTtG8IQqW0vB4BeFkWKagD3VlKdBsUnB2s4IKytivYAmdu6HgAmlvKnCnDvqDxlQqGEv5dIzcbynoRdveKdhNbyP8IUf6ozjKH2XUusof7ZRyxx_TKa9_AAop0RSACeTbPhD-dFMy4jcqhBGlZHUxopPc3I3Q0xk6T0qwEUG0b6cRB-hKrhGV9Fu9EbVU5haIcqpzD0QT3fcIxFPq0gdCYwhElSoc1wvCcZtmnghHOmlOhsORrtMtyi4JR0FSBEpoUXYkVtKeLR8ih2J6ROFjClNFI4r8L0ZjEN3fG4OGWzGw0IbGGGwhy7xY2GnAqVgMJlEXCy2FNcUiii4ZRuMG1baMRj09WhOH5zR7_RgsJP-8MRhEI6-OQQw1L41HOymF8Qii9U_isZl2hiTgK6p4nIDrVLv1d9RTQ8szWEg3vg7edIUqycleBx0159ejneYW1COTfol6gSqan_cSy2jqwAbMoS-fNGAPVTU14j4pulcIoiOnm3CCstOa8S3d-boZ96m5uhnt1BzRgnbqf7oFus1mvC0xQy41Y3FkK5TJrQiigsxWlFDhxlbsqWlF05NWhP7JgoLdFrjutWBXhBVf08M_W_HLXCvKd1lxiVbttmIteRRZ4UWT9G34cXwbO7ahfkobkqa3wbT6NTd9jfEVr7GS4l69RgLd7GzHbWq49wYtdKhPB47SgckdGDS7A5e1NrzXx4ZoxQbRZYMbjRptx0dUv8-ON3T9uB0fFtsRTdp7duhp2AM7RtL8lE5kUnVqJ2roYWoXwn7twqNpb_GcUr57i-l0vvstLlOFZzeuU7FvN7y3dONKZTcqKWC0SoTQLpOD2EPekx3ElcsOwu-qg3haqhZJLWph02vE8s81Yi2VfKcRfi6SyPKQxDZqViQx-R-SCKuUxGgqpMYqSZTflYSjjywyhsviQIIsjpDfX2VR6wWxOBxiFfnMgkik6rUQj2lBNcRyqrHyjaksW4hyOlwlxKGVjuII7VrrKMI3OYqwUkexKqyHqO3sIZ5R6iUnsfOlk7AMcBafBDiLjEBncS7OWQz8zFlsrXMWs8dqhfc8rVAd0gqfc1pRdlsryunpBRfxfbWL0Na6CFcKJktvVzEkwFX4R7qKfV-6im9pWbabOPVpT3E0uac4t6ynCM7vKUJobpZOlP6oE-oanZDo2hoP4XDVQ1Qu1otx-_XixHG9KKMdwwzCZ7hB-JIfKdSfAshIQRRMIRRKE-MN4qfZvUTAlV7i-SRPYU_2FDqt477122-hZ_GObWa1t_SX9LQVSnDazPSlCzOXhCxJX5q2ZPBy3tIyB8_KXLhgadqCmVOGhg4dHjosdHhI6PtTFn3wf1izVzY&build-label=editors.sites-viewer-frontend_20260506.01_p3&imp-sid=CNrQpNS4tZQDFTtHqwIdgGIgug&is-cached-offline=false"

date: Wed, 13 May 2026 04:37:45 GMT
document-policy: include-js-call-stacks-in-crash-reports
reporting-endpoints: default="/web-reports?jobset=prod&wcrumsspbp=false&bl=editors.sites-viewer-frontend_20260506.01_p3&app=25&clss=1&context=eJwN0ntczXkeBvDTOb_f802dSqdzlCbJL3JK0pglVFNNUpOdxmXsaeq17iG55s6uy5osXmuHRdi5RLKiJGrIGKaR2zCkweSSMBKlOp2TdE4N7fPH-4_n89_zvD5Om3U5jibVMWeTapzepPqM3LebVP3o3V6TynWfSSXlmlR6ijxpUlU0mVS3aVn_ZFUWjRpUrXpHCK5W-VLU71Z1PJk3tKs7aFVGh3oD_RxhU1fRD5E29UV6k2ZTv6PDW23q4zT9ml09l3qnvFP3owWqbvVysvl0q1V9utWvV3ar_6AZ-9WaDPpgokYTTlEbNJp4mvBco0mhleZR0npS742QnOhMYYT0EyWMiJTGUZlPjFROlsQYyU4P13wkPaPdi2Klb2jG8lgpg9TFsZITjTwVK8XQiLlxUjQNWBwnDaYv6uOkf1HysDHSVNr173gpj150xEtmys1IkI7SM93H0iuqEYlSHa2YmCOvo6dzcuQGunc6R35CVW375fvk92mubKRpNQfldPq7-aCcRWfn5MkVdHRennySrj3Lk38lrxOHZD-6kfQ_-S65ZB2WDaTzype9qXfffLkfGT_Pl0NJKcyXJzQelVNoDW2kI0kF8gnKnFEkr6bG-UWyldxWNMqelBzVJE-l1AtN8gy6m9wsPyK3r5plT-o6rIUmX4tiNxeUUUCZC0Ko-qIrHtMnOW6YRAUv3VFCcxrdsYhEqA5u9H2RDhfIQfFADyoJ88BZih7hgQQqmcZMQx_pMYoMSQb0of-sNuC_9GKTAWZal9sL_6SBNb0whJzmeUJHnQs84bTQE1v8vLCDZg_zQkOaFyxUeswLP5DtZy-ornnhbwd64wu6k9sbNbRiqzfW0Tcd3jhEddvfQxOlJvpgKgVe9MH79LjAF1cf-OIGGc2-CKVJFl-k0AN6TKdS--LMrL44T41r-8JMjaV9YaWxwg8T6VW6H1rK_PCG1hzsh41U9LQfTtG8IQqW0vB4BeFkWKagD3VlKdBsUnB2s4IKytivYAmdu6HgAmlvKnCnDvqDxlQqGEv5dIzcbynoRdveKdhNbyP8IUf6ozjKH2XUusof7ZRyxx_TKa9_AAop0RSACeTbPhD-dFMy4jcqhBGlZHUxopPc3I3Q0xk6T0qwEUG0b6cRB-hKrhGV9Fu9EbVU5haIcqpzD0QT3fcIxFPq0gdCYwhElSoc1wvCcZtmnghHOmlOhsORrtMtyi4JR0FSBEpoUXYkVtKeLR8ih2J6ROFjClNFI4r8L0ZjEN3fG4OGWzGw0IbGGGwhy7xY2GnAqVgMJlEXCy2FNcUiii4ZRuMG1baMRj09WhOH5zR7_RgsJP-8MRhEI6-OQQw1L41HOymF8Qii9U_isZl2hiTgK6p4nIDrVLv1d9RTQ8szWEg3vg7edIUqycleBx0159ejneYW1COTfol6gSqan_cSy2jqwAbMoS-fNGAPVTU14j4pulcIoiOnm3CCstOa8S3d-boZ96m5uhnt1BzRgnbqf7oFus1mvC0xQy41Y3FkK5TJrQiigsxWlFDhxlbsqWlF05NWhP7JgoLdFrjutWBXhBVf08M_W_HLXCvKd1lxiVbttmIteRRZ4UWT9G34cXwbO7ahfkobkqa3wbT6NTd9jfEVr7GS4l69RgLd7GzHbWq49wYtdKhPB47SgckdGDS7A5e1NrzXx4ZoxQbRZYMbjRptx0dUv8-ON3T9uB0fFtsRTdp7duhp2AM7RtL8lE5kUnVqJ2roYWoXwn7twqNpb_GcUr57i-l0vvstLlOFZzeuU7FvN7y3dONKZTcqKWC0SoTQLpOD2EPekx3ElcsOwu-qg3haqhZJLWph02vE8s81Yi2VfKcRfi6SyPKQxDZqViQx-R-SCKuUxGgqpMYqSZTflYSjjywyhsviQIIsjpDfX2VR6wWxOBxiFfnMgkik6rUQj2lBNcRyqrHyjaksW4hyOlwlxKGVjuII7VrrKMI3OYqwUkexKqyHqO3sIZ5R6iUnsfOlk7AMcBafBDiLjEBncS7OWQz8zFlsrXMWs8dqhfc8rVAd0gqfc1pRdlsryunpBRfxfbWL0Na6CFcKJktvVzEkwFX4R7qKfV-6im9pWbabOPVpT3E0uac4t6ynCM7vKUJobpZOlP6oE-oanZDo2hoP4XDVQ1Qu1otx-_XixHG9KKMdwwzCZ7hB-JIfKdSfAshIQRRMIRRKE-MN4qfZvUTAlV7i-SRPYU_2FDqt477122-hZ_GObWa1t_SX9LQVSnDazPSlCzOXhCxJX5q2ZPBy3tIyB8_KXLhgadqCmVOGhg4dHjosdHhI6PtTFn3wf1izVzY&build-label=editors.sites-viewer-frontend_20260506.01_p3&imp-sid=CNrQpNS4tZQDFTtHqwIdgGIgug&is-cached-offline=false"

Recommendations

Enable compression (gzip/brotli) to improve performance