diff --git a/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/client/OpenTracingClientRequestFilter.java b/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/client/OpenTracingClientRequestFilter.java
index fb98146..e009e90 100644
--- a/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/client/OpenTracingClientRequestFilter.java
+++ b/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/client/OpenTracingClientRequestFilter.java
@@ -49,6 +49,7 @@
 
         final Tracer.SpanBuilder builder = tracer.buildSpan(context.getMethod());
         builder.withTag(Tags.SPAN_KIND.getKey(), Tags.SPAN_KIND_CLIENT);
+        builder.withTag("component", "jaxrs");
 
         ofNullable(SpanContext.class.cast(context.getProperty(CHILD_OF)))
                 .ifPresent(parent -> builder.ignoreActiveSpan().asChildOf(parent));
diff --git a/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingFilter.java b/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingFilter.java
index 413ca01..f443011 100644
--- a/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingFilter.java
+++ b/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingFilter.java
@@ -23,7 +23,7 @@
 import io.opentracing.tag.Tags;
 
 @Dependent
-@WebFilter(asyncSupported = true, urlPatterns = "/*")
+@WebFilter(asyncSupported = true, urlPatterns = "/*") // todo: move to initializer
 public class OpenTracingFilter implements Filter {
 
     @Inject
@@ -36,6 +36,7 @@
             chain.doFilter(request, response);
             return;
         }
+        // todo: implicit start for matching urls
         try {
             chain.doFilter(request, response);
         } catch (final Exception ex) {
diff --git a/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingServerRequestFilter.java b/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingServerRequestFilter.java
index 11f9f90..9f642ed 100644
--- a/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingServerRequestFilter.java
+++ b/geronimo-opentracing-impl/src/main/java/org/apache/geronimo/microprofile/opentracing/microprofile/server/OpenTracingServerRequestFilter.java
@@ -49,6 +49,7 @@
 
         final Tracer.SpanBuilder builder = tracer.buildSpan(operationName);
         builder.withTag(Tags.SPAN_KIND.getKey(), Tags.SPAN_KIND_SERVER);
+        builder.withTag("component", "jaxrs");
 
         ofNullable(ofNullable(tracer.activeSpan()).map(Span::context)
                 .orElseGet(() -> tracer.extract(Format.Builtin.HTTP_HEADERS, new HeaderTextMap<>(context.getHeaders()))))