diff --git a/Cargo.toml b/Cargo.toml
index a5b8768..b017d67 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sitewriter"
-version = "0.4.0"
+version = "0.4.1"
 authors = ["Edgar <git@edgarluque.com>"]
 edition = "2018"
 description = "A sitemap writing library."
@@ -13,13 +13,19 @@ categories = ["parsing"]
 
 [dependencies]
 chrono = "0.4.19"
-derive_builder = "0.10.0"
+derive_builder = "0.10.2"
 quick-xml = "0.22.0"
-url = "2.2.1"
+url = "2.2.2"
 
 [dev-dependencies]
-criterion = { version = "0.3.4", features = ["html_reports"] }
+criterion = { version = "0.3.5", features = ["html_reports"] }
 
 [[bench]]
 name = "benchmark"
 harness = false
+
+[profile.bench]
+debug = true
+
+[profile.release]
+debug = true
diff --git a/README.md b/README.md
index 6fdc50c..a0873f0 100644
--- a/README.md
+++ b/README.md
@@ -1,68 +1,69 @@
-# Sitewriter
-[![Rust](https://github.com/edg-l/sitewriter/workflows/Rust/badge.svg)](https://github.com/edg-l/sitewriter/actions)
-[![crates.io](http://meritbadge.herokuapp.com/sitewriter)](https://crates.io/crates/sitewriter)
-[![License](https://img.shields.io/github/license/edg-l/sitewriter)](https://github.com/edg-l/sitewriter/blob/master/LICENSE)
-[![codecov](https://codecov.io/gh/edg-l/sitewriter/branch/master/graph/badge.svg?token=JKOQCRSCZU)](https://codecov.io/gh/edg-l/sitewriter)
+# sitewriter
 
-A rust library to generate sitemaps.
+### A library to generate sitemaps.
+
+[![Version](https://img.shields.io/crates/v/sitewriter)](https://crates.io/crates/sitewriter)
+[![Downloads](https://img.shields.io/crates/d/sitewriter)](https://crates.io/crates/sitewriter)
+[![License](https://img.shields.io/crates/l/sitewriter)](https://crates.io/crates/sitewriter)
+![Rust](https://github.com/edg-l/sitewriter-rs/workflows/Rust/badge.svg)
+[![Docs](https://docs.rs/sitewriter/badge.svg)](https://docs.rs/sitewriter)
 
 It uses the [quick-xml](https://github.com/tafia/quick-xml) so it should be fast.
 
-## Example
-
-To run the examples use `cargo run --example gen_sitemap`
+### Example
 
 ```rust
- use chrono::prelude::*;
- use sitewriter::*;
+use chrono::prelude::*;
+use sitewriter::*;
 
-let urls = vec![
-    UrlEntryBuilder::default()
-        .loc("https://edgarluque.com/projects".parse().unwrap())
-        .build()
-        .unwrap(),
-    UrlEntry {
-        loc: "https://edgarluque.com/".parse().unwrap(),
-        changefreq: Some(ChangeFreq::Daily),
-        priority: Some(1.0),
-        lastmod: Some(Utc::now()),
-    },
-    UrlEntry {
-        loc: "https://edgarluque.com/blog".parse().unwrap(),
-        changefreq: Some(ChangeFreq::Weekly),
-        priority: Some(0.8),
-        lastmod: Some(Utc::now()),
-    },
-    UrlEntry {
-        loc: "https://edgarluque.com/blog/sitewriter".parse().unwrap(),
-        changefreq: Some(ChangeFreq::Never),
-        priority: Some(0.5),
-        lastmod: Some(Utc.ymd(2020, 11, 22).and_hms(15, 10, 15)),
-    },
-    UrlEntry {
-        loc: "https://edgarluque.com/blog/some-future-post"
-            .parse()
-            .unwrap(),
-        changefreq: Some(ChangeFreq::Never),
-        priority: Some(0.5),
-        lastmod: Some(
-            Utc.from_utc_datetime(&Local.ymd(2020, 12, 5).and_hms(12, 30, 0).naive_utc()),
-        ),
-    },
-    // Entity escaping
-    UrlEntry {
-        loc: "https://edgarluque.com/blog/test&id='<test>'"
-            .parse()
-            .unwrap(),
-        changefreq: Some(ChangeFreq::Never),
-        priority: Some(0.5),
-        lastmod: Some(
-            Utc.from_utc_datetime(&Local.ymd(2020, 12, 5).and_hms(12, 30, 0).naive_utc()),
-        ),
-    },
-];
+   let urls = vec![
+       UrlEntryBuilder::default()
+           .loc("https://edgarluque.com/projects".parse().unwrap())
+           .build()
+           .unwrap(),
+       UrlEntry {
+           loc: "https://edgarluque.com/".parse().unwrap(),
+           changefreq: Some(ChangeFreq::Daily),
+           priority: Some(1.0),
+           lastmod: Some(Utc::now()),
+       },
+       UrlEntry {
+           loc: "https://edgarluque.com/blog".parse().unwrap(),
+           changefreq: Some(ChangeFreq::Weekly),
+           priority: Some(0.8),
+           lastmod: Some(Utc::now()),
+       },
+       UrlEntry {
+           loc: "https://edgarluque.com/blog/sitewriter".parse().unwrap(),
+           changefreq: Some(ChangeFreq::Never),
+           priority: Some(0.5),
+           lastmod: Some(Utc.ymd(2020, 11, 22).and_hms(15, 10, 15)),
+       },
+       UrlEntry {
+           loc: "https://edgarluque.com/blog/some-future-post"
+               .parse()
+               .unwrap(),
+           changefreq: Some(ChangeFreq::Never),
+           priority: Some(0.5),
+           lastmod: Some(
+               Utc.from_utc_datetime(&Local.ymd(2020, 12, 5).and_hms(12, 30, 0).naive_utc()),
+           ),
+       },
+       // Entity escaping
+       UrlEntry {
+           loc: "https://edgarluque.com/blog/test&id='<test>'"
+               .parse()
+               .unwrap(),
+           changefreq: Some(ChangeFreq::Never),
+           priority: Some(0.5),
+           lastmod: Some(
+               Utc.from_utc_datetime(&Local.ymd(2020, 12, 5).and_hms(12, 30, 0).naive_utc()),
+           ),
+       },
+   ];
 
-let result = Sitemap::into_str(&urls).unwrap();
-println!("{}", result);
+   let result = Sitemap::generate_str(&urls).unwrap();
+   println!("{}", result);
 ```
 
+License: MIT
diff --git a/src/lib.rs b/src/lib.rs
index 8b332c4..87424d9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,11 @@
 //! ## A library to generate sitemaps.
 //!
+//! [![Version](https://img.shields.io/crates/v/sitewriter)](https://crates.io/crates/sitewriter)
+//! [![Downloads](https://img.shields.io/crates/d/sitewriter)](https://crates.io/crates/sitewriter)
+//! [![License](https://img.shields.io/crates/l/sitewriter)](https://crates.io/crates/sitewriter)
+//! ![Rust](https://github.com/edg-l/sitewriter-rs/workflows/Rust/badge.svg)
+//! [![Docs](https://docs.rs/sitewriter/badge.svg)](https://docs.rs/sitewriter)
+//!
 //! It uses the [quick-xml](https://github.com/tafia/quick-xml) so it should be fast.
 //!
 //! ## Example