HTTP Headers Analysis for https://api.accelo.com

Detected Technologies from Headers

See all in URL Inspect 4

AWS CloudFront

Fastly

GitHub Active incidents

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

max-age=600

Etag

Caching

"697c37f7-16fa46"

Expires

Caching

Tue, 12 May 2026 15:22:21 GMT

Last-Modified

Caching

Fri, 30 Jan 2026 04:47:51 GMT

cache-control: max-age=600
etag: "697c37f7-16fa46"
expires: Tue, 12 May 2026 15:22:21 GMT
last-modified: Fri, 30 Jan 2026 04:47:51 GMT

Content Headers

Content-Length

Content

1505862

Content-Type

Content

text/html; charset=utf-8

content-length: 1505862
content-type: text/html; charset=utf-8

Server Headers

Server

GitHub.com

server: GitHub.com

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Tue, 12 May 2026 15:12:21 GMT

Via

Other

1.1 varnish, 1.1 7de1b59569f081208785b2cfa95c6be0.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

C3YQ8a71EzDVmhU2xOxFW-JRInlBBLhZtWWCa-EtwFuEGHxvm3mYFw==

X-Amz-Cf-Pop

Other

IAD61-P5

X-Cache

Other

RefreshHit from cloudfront

X-Cache-Hits

Other

0

X-Fastly-Request-Id

Other

e521a952b00ec3f46974d595df0782046c8a595c

X-Github-Request-Id

Other

93C8:37666B:1A36925:1C9CC45:6A00EBE5

X-Proxy-Cache

Other

MISS

X-Served-By

Other

cache-iad-kjyo7100070-IAD

X-Timer

Other

S1778445291.573263,VS0,VE48

date: Tue, 12 May 2026 15:12:21 GMT
via: 1.1 varnish, 1.1 7de1b59569f081208785b2cfa95c6be0.cloudfront.net (CloudFront)
x-amz-cf-id: C3YQ8a71EzDVmhU2xOxFW-JRInlBBLhZtWWCa-EtwFuEGHxvm3mYFw==
x-amz-cf-pop: IAD61-P5
x-cache: RefreshHit from cloudfront
x-cache-hits: 0
x-fastly-request-id: e521a952b00ec3f46974d595df0782046c8a595c
x-github-request-id: 93C8:37666B:1A36925:1C9CC45:6A00EBE5
x-proxy-cache: MISS
x-served-by: cache-iad-kjyo7100070-IAD
x-timer: S1778445291.573263,VS0,VE48

Recommendations

Enable compression (gzip/brotli) to improve performance